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Generalize engine trait (#6591)

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* move common forks and parameters to common params

* port specs over to new format

* fix RPC tests

* parity-machine skeleton

* remove block type

* extract out ethereum-specific methods into EthereumMachine

* beginning to integrate Machine into engines. dealing with stale transitions in Ethash

* initial porting to machine

* move block reward back into engine

* abstract block reward logic

* move last hash and DAO HF logic into machine

* begin making engine function parameters generic

* abstract epoch verifier and ethash block reward logic

* instantiate special ethereummachine for ethash in spec

* optional full verification in verify_block_family

* re-instate tx_filter in a way that works for all engines

* fix warnings

* fix most tests, further generalize engine trait

* uncomment nullengine, get ethcore tests compiling

* fix warnings

* update a bunch of specs

* re-enable engine signer, validator set, and transition handler

* migrate basic_authority engine

* move last hashes into executedblock

* port tendermint

* make all ethcore tests pass

* json-tests compilation

* fix RPC tests: change in gas limit for new block changed PoW hash

* fix minor grumbles

* validate chainspecs

* fix broken import

* fix transaction verification for pre-homestead
This commit is contained in:
Robert Habermeier 2017-09-26 14:19:08 +02:00 committed by Gav Wood
parent d8af9f4e7b
commit bc167a211b
85 changed files with 2233 additions and 1923 deletions
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9
Cargo.lock generated
View File

@ -594,6 +594,7 @@ dependencies = [
"native-contracts 0.1.0",
"num 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
"num_cpus 1.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
"parity-machine 0.1.0",
"parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"patricia_trie 0.1.0",
"price-info 1.7.0",
@ -2194,6 +2195,14 @@ dependencies = [
"serde_json 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "parity-machine"
version = "0.1.0"
dependencies = [
"ethcore-bigint 0.1.3",
"ethcore-util 1.8.0",
]
[[package]]
name = "parity-reactor"
version = "0.1.0"

1
ethcore/Cargo.toml
View File

@ -51,6 +51,7 @@ lru-cache = "0.1.0"
native-contracts = { path = "native_contracts" }
num = "0.1"
num_cpus = "1.2"
parity-machine = { path = "../machine" }
parking_lot = "0.4"
price-info = { path = "../price-info" }
rayon = "0.8"

17
ethcore/light/src/client/fetch.rs
View File

@ -19,7 +19,8 @@
use std::sync::Arc;
use ethcore::encoded;
use ethcore::engines::{Engine, StateDependentProof};
use ethcore::engines::{EthEngine, StateDependentProof};
use ethcore::machine::EthereumMachine;
use ethcore::header::Header;
use ethcore::receipt::Receipt;
use futures::future::IntoFuture;
@ -44,7 +45,12 @@ pub trait ChainDataFetcher: Send + Sync + 'static {
fn block_receipts(&self, header: &Header) -> Self::Receipts;
/// Fetch epoch transition proof at given header.
fn epoch_transition(&self, hash: H256, engine: Arc<Engine>, checker: Arc<StateDependentProof>) -> Self::Transition;
fn epoch_transition(
&self,
_hash: H256,
_engine: Arc<EthEngine>,
_checker: Arc<StateDependentProof<EthereumMachine>>
) -> Self::Transition;
}
/// Fetcher implementation which cannot fetch anything.
@ -68,7 +74,12 @@ impl ChainDataFetcher for Unavailable {
Err("fetching block receipts unavailable")
}
fn epoch_transition(&self, _h: H256, _e: Arc<Engine>, _check: Arc<StateDependentProof>) -> Self::Transition {
fn epoch_transition(
&self,
_hash: H256,
_engine: Arc<EthEngine>,
_checker: Arc<StateDependentProof<EthereumMachine>>
) -> Self::Transition {
Err("fetching epoch transition proofs unavailable")
}
}

57
ethcore/light/src/client/mod.rs
View File

@ -20,7 +20,8 @@ use std::sync::{Weak, Arc};
use ethcore::block_status::BlockStatus;
use ethcore::client::{ClientReport, EnvInfo};
use ethcore::engines::{epoch, Engine, EpochChange, EpochTransition, Proof, Unsure};
use ethcore::engines::{epoch, EthEngine, EpochChange, EpochTransition, Proof};
use ethcore::machine::EthereumMachine;
use ethcore::error::BlockImportError;
use ethcore::ids::BlockId;
use ethcore::header::{BlockNumber, Header};
@ -117,7 +118,7 @@ pub trait LightChainClient: Send + Sync {
fn env_info(&self, id: BlockId) -> Option<EnvInfo>;
/// Get a handle to the consensus engine.
fn engine(&self) -> &Arc<Engine>;
fn engine(&self) -> &Arc<EthEngine>;
/// Query whether a block is known.
fn is_known(&self, hash: &H256) -> bool;
@ -165,7 +166,7 @@ impl<T: LightChainClient> AsLightClient for T {
/// Light client implementation.
pub struct Client<T> {
queue: HeaderQueue,
engine: Arc<Engine>,
engine: Arc<EthEngine>,
chain: HeaderChain,
report: RwLock<ClientReport>,
import_lock: Mutex<()>,
@ -381,7 +382,7 @@ impl<T: ChainDataFetcher> Client<T> {
}
/// Get a handle to the verification engine.
pub fn engine(&self) -> &Arc<Engine> {
pub fn engine(&self) -> &Arc<EthEngine> {
&self.engine
}
@ -444,7 +445,7 @@ impl<T: ChainDataFetcher> Client<T> {
};
// Verify Block Family
let verify_family_result = self.engine.verify_block_family(&verified_header, &parent_header.decode(), None);
let verify_family_result = self.engine.verify_block_family(&verified_header, &parent_header.decode());
if let Err(e) = verify_family_result {
warn!(target: "client", "Stage 3 block verification failed for #{} ({})\nError: {:?}",
verified_header.number(), verified_header.hash(), e);
@ -453,7 +454,7 @@ impl<T: ChainDataFetcher> Client<T> {
};
// "external" verification.
let verify_external_result = self.engine.verify_block_external(&verified_header, None);
let verify_external_result = self.engine.verify_block_external(&verified_header);
if let Err(e) = verify_external_result {
warn!(target: "client", "Stage 4 block verification failed for #{} ({})\nError: {:?}",
verified_header.number(), verified_header.hash(), e);
@ -465,20 +466,35 @@ impl<T: ChainDataFetcher> Client<T> {
true
}
fn check_epoch_signal(&self, verified_header: &Header) -> Result<Option<Proof>, T::Error> {
let (mut block, mut receipts) = (None, None);
fn check_epoch_signal(&self, verified_header: &Header) -> Result<Option<Proof<EthereumMachine>>, T::Error> {
use ethcore::machine::{AuxiliaryRequest, AuxiliaryData};
// First, check without providing auxiliary data.
match self.engine.signals_epoch_end(verified_header, None, None) {
let mut block: Option<Vec<u8>> = None;
let mut receipts: Option<Vec<_>> = None;
loop {
let is_signal = {
let auxiliary = AuxiliaryData {
bytes: block.as_ref().map(|x| &x[..]),
receipts: receipts.as_ref().map(|x| &x[..]),
};
self.engine.signals_epoch_end(verified_header, auxiliary)
};
// check with any auxiliary data fetched so far
match is_signal {
EpochChange::No => return Ok(None),
EpochChange::Yes(proof) => return Ok(Some(proof)),
EpochChange::Unsure(unsure) => {
let (b, r) = match unsure {
Unsure::NeedsBody =>
AuxiliaryRequest::Body =>
(Some(self.fetcher.block_body(verified_header)), None),
Unsure::NeedsReceipts =>
AuxiliaryRequest::Receipts =>
(None, Some(self.fetcher.block_receipts(verified_header))),
Unsure::NeedsBoth => (
AuxiliaryRequest::Both => (
Some(self.fetcher.block_body(verified_header)),
Some(self.fetcher.block_receipts(verified_header)),
),
@ -493,22 +509,11 @@ impl<T: ChainDataFetcher> Client<T> {
}
}
}
let block = block.as_ref().map(|x| &x[..]);
let receipts = receipts.as_ref().map(|x| &x[..]);
// Check again now that required data has been fetched.
match self.engine.signals_epoch_end(verified_header, block, receipts) {
EpochChange::No => return Ok(None),
EpochChange::Yes(proof) => return Ok(Some(proof)),
EpochChange::Unsure(_) =>
panic!("Detected faulty engine implementation: requests additional \
data to check epoch end signal when everything necessary provided"),
}
}
// attempts to fetch the epoch proof from the network until successful.
fn write_pending_proof(&self, header: &Header, proof: Proof) -> Result<(), T::Error> {
fn write_pending_proof(&self, header: &Header, proof: Proof<EthereumMachine>) -> Result<(), T::Error> {
let proof = match proof {
Proof::Known(known) => known,
Proof::WithState(state_dependent) => {
@ -568,7 +573,7 @@ impl<T: ChainDataFetcher> LightChainClient for Client<T> {
Client::env_info(self, id)
}
fn engine(&self) -> &Arc<Engine> {
fn engine(&self) -> &Arc<EthEngine> {
Client::engine(self)
}

17
ethcore/light/src/on_demand/request.rs
View File

@ -20,8 +20,9 @@ use std::sync::Arc;
use ethcore::basic_account::BasicAccount;
use ethcore::encoded;
use ethcore::engines::{Engine, StateDependentProof};
use ethcore::receipt::{Receipt, TransactionOutcome};
use ethcore::engines::{EthEngine, StateDependentProof};
use ethcore::machine::EthereumMachine;
use ethcore::receipt::Receipt;
use ethcore::state::{self, ProvedExecution};
use ethcore::transaction::SignedTransaction;
use vm::EnvInfo;
@ -843,7 +844,7 @@ pub struct TransactionProof {
// TODO: it's not really possible to provide this if the header is unknown.
pub env_info: EnvInfo,
/// Consensus engine.
pub engine: Arc<Engine>,
pub engine: Arc<EthEngine>,
}
impl TransactionProof {
@ -858,7 +859,7 @@ impl TransactionProof {
state_items,
root,
&self.tx,
&*self.engine,
self.engine.machine(),
&self.env_info,
);
@ -877,15 +878,15 @@ pub struct Signal {
/// Block hash and number to fetch proof for.
pub hash: H256,
/// Consensus engine, used to check the proof.
pub engine: Arc<Engine>,
pub engine: Arc<EthEngine>,
/// Special checker for the proof.
pub proof_check: Arc<StateDependentProof>,
pub proof_check: Arc<StateDependentProof<EthereumMachine>>,
}
impl Signal {
/// Check the signal, returning the signal or indicate that it's bad.
pub fn check_response(&self, _: &Mutex<::cache::Cache>, signal: &[u8]) -> Result<Vec<u8>, Error> {
self.proof_check.check_proof(&*self.engine, signal)
self.proof_check.check_proof(self.engine.machine(), signal)
.map(|_| signal.to_owned())
.map_err(|_| Error::BadProof)
}
@ -904,7 +905,7 @@ mod tests {
use ethcore::client::{BlockChainClient, TestBlockChainClient, EachBlockWith};
use ethcore::header::Header;
use ethcore::encoded;
use ethcore::receipt::Receipt;
use ethcore::receipt::{Receipt, TransactionOutcome};
fn make_cache() -> ::cache::Cache {
::cache::Cache::new(Default::default(), ::time::Duration::seconds(1))

4
ethcore/res/constructor.json
View File

@ -1,7 +1,9 @@
{
"name": "GenesisConstructor",
"engine": {
"null": null
"null": {
"params": {}
}
},
"params": {
"gasLimitBoundDivisor": "0x0400",

4
ethcore/res/ethereum/byzantium_test.json
View File

@ -6,12 +6,12 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x0",
"eip150Transition": "0x0",
"eip160Transition": "0x0",
"eip161abcTransition": "0x0",
"eip161dTransition": "0x0",
"maxCodeSize": 24576,
"eip649Reward": "0x29A2241AF62C0000",
"eip100bTransition": "0x0",
"eip649Transition": "0x0"
@ -20,12 +20,12 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x1",
"maxCodeSize": 24576,
"eip98Transition": "0xffffffffffffffff",
"eip140Transition": "0x0",
"eip211Transition": "0x0",

2
ethcore/res/ethereum/classic.json
View File

@ -7,6 +7,7 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": 1150000,
"eip150Transition": 2500000,
"eip160Transition": 3000000,
@ -21,7 +22,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",

4
ethcore/res/ethereum/constantinople_test.json
View File

@ -6,12 +6,12 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x0",
"eip150Transition": "0x0",
"eip160Transition": "0x0",
"eip161abcTransition": "0x0",
"eip161dTransition": "0x0",
"maxCodeSize": 24576,
"eip649Reward": "0x29A2241AF62C0000",
"eip100bTransition": "0x0",
"eip649Transition": "0x0"
@ -20,12 +20,12 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x1",
"maxCodeSize": 24576,
"eip98Transition": "0xffffffffffffffff",
"eip140Transition": "0x0",
"eip210Transition": "0x0",

8
ethcore/res/ethereum/eip150_test.json
View File

@ -6,18 +6,17 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x0",
"eip150Transition": "0x0",
"eip160Transition": "0x7fffffffffffffff",
"eip161abcTransition": "0x7fffffffffffffff",
"eip161dTransition": "0x7fffffffffffffff",
"maxCodeSize": 24576
"eip161dTransition": "0x7fffffffffffffff"
}
}
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",
@ -25,7 +24,8 @@
"networkID" : "0x1",
"eip98Transition": "0x7fffffffffffffff",
"eip86Transition": "0x7fffffffffffffff",
"eip155Transition": "0x7fffffffffffffff"
"eip155Transition": "0x7fffffffffffffff",
"maxCodeSize": 24576
},
"genesis": {
"seal": {

8
ethcore/res/ethereum/eip161_test.json
View File

@ -6,18 +6,17 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x0",
"eip150Transition": "0x0",
"eip160Transition": "0x0",
"eip161abcTransition": "0x0",
"eip161dTransition": "0x0",
"maxCodeSize": 24576
"eip161dTransition": "0x0"
}
}
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",
@ -25,7 +24,8 @@
"networkID" : "0x1",
"eip98Transition": "0x7fffffffffffffff",
"eip86Transition": "0x7fffffffffffffff",
"eip155Transition": "0x7fffffffffffffff"
"eip155Transition": "0x7fffffffffffffff",
"maxCodeSize": 24576
},
"genesis": {
"seal": {

2
ethcore/res/ethereum/expanse.json
View File

@ -8,6 +8,7 @@
"difficultyBoundDivisor": "0x0800",
"difficultyIncrementDivisor": "60",
"durationLimit": "0x3C",
"blockReward": "0x6f05b59d3b200000",
"homesteadTransition": "0x30d40",
"difficultyHardforkTransition": "0x59d9",
"difficultyHardforkBoundDivisor": "0x0200",
@ -21,7 +22,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x6f05b59d3b200000",
"registrar" : "0x6c221ca53705f3497ec90ca7b84c59ae7382fc21",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",

8
ethcore/res/ethereum/foundation.json
View File

@ -7,6 +7,7 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x118c30",
"daoHardforkTransition": "0x1d4c00",
"daoHardforkBeneficiary": "0xbf4ed7b27f1d666546e30d74d50d173d20bca754",
@ -131,14 +132,12 @@
"eip150Transition": "0x259518",
"eip160Transition": 2675000,
"eip161abcTransition": 2675000,
"eip161dTransition": 2675000,
"maxCodeSize": 24576
"eip161dTransition": 2675000
}
}
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xe3389675d0338462dC76C6f9A3e432550c36A142",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",
@ -149,7 +148,8 @@
"eip155Transition": 2675000,
"eip98Transition": "0x7fffffffffffff",
"eip86Transition": "0x7fffffffffffff"
"eip86Transition": "0x7fffffffffffff",
"maxCodeSize": 24576
},
"genesis": {
"seal": {

2
ethcore/res/ethereum/frontier_like_test.json
View File

@ -6,6 +6,7 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x118c30",
"daoHardforkTransition": "0x1d4c00",
"daoHardforkBeneficiary": "0xbf4ed7b27f1d666546e30d74d50d173d20bca754",
@ -136,7 +137,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",

2
ethcore/res/ethereum/frontier_test.json
View File

@ -6,6 +6,7 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x7fffffffffffffff",
"eip150Transition": "0x7fffffffffffffff",
"eip160Transition": "0x7fffffffffffffff",
@ -16,7 +17,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",

2
ethcore/res/ethereum/homestead_test.json
View File

@ -6,6 +6,7 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0x0",
"eip150Transition": "0x7fffffffffffffff",
"eip160Transition": "0x7fffffffffffffff",
@ -16,7 +17,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",

2
ethcore/res/ethereum/kovan.json
View File

@ -5,6 +5,7 @@
"authorityRound": {
"params": {
"stepDuration": "4",
"blockReward": "0x4563918244F40000",
"validators" : {
"list": [
"0x00D6Cc1BA9cf89BD2e58009741f4F7325BAdc0ED",
@ -29,7 +30,6 @@
"params": {
"gasLimitBoundDivisor": "0x400",
"registrar" : "0xfAb104398BBefbd47752E7702D9fE23047E1Bca3",
"blockReward": "0x4563918244F40000",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x2A",

2
ethcore/res/ethereum/morden.json
View File

@ -7,6 +7,7 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": 494000,
"eip150Transition": 1783000,
"eip160Transition": 1915000,
@ -20,7 +21,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar": "0x52dff57a8a1532e6afb3dc07e2af58bb9eb05b3d",
"accountStartNonce": "0x0100000",
"maximumExtraDataSize": "0x20",

2
ethcore/res/ethereum/olympic.json
View File

@ -6,6 +6,7 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x08",
"blockReward": "0x14D1120D7B160000",
"homesteadTransition": "0x7fffffffffffffff",
"eip150Transition": "0x7fffffffffffffff",
"eip160Transition": "0x7fffffffffffffff",
@ -16,7 +17,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x14D1120D7B160000",
"registrar": "5e70c0bbcd5636e0f9f9316e9f8633feb64d4050",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x0400",

4
ethcore/res/ethereum/ropsten.json
View File

@ -7,12 +7,12 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": 0,
"eip150Transition": 0,
"eip160Transition": 10,
"eip161abcTransition": 10,
"eip161dTransition": 10,
"maxCodeSize": 24576,
"eip649Reward": "0x29A2241AF62C0000",
"eip100bTransition": 1700000,
"eip649Transition": 1700000
@ -21,7 +21,6 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar": "0x81a4b044831c4f12ba601adb9274516939e9b8a2",
"accountStartNonce": "0x0",
"maximumExtraDataSize": "0x20",
@ -29,6 +28,7 @@
"networkID" : "0x3",
"forkBlock": 641350,
"forkCanonHash": "0x8033403e9fe5811a7b6d6b469905915de1c59207ce2172cbcf5d6ff14fa6a2eb",
"maxCodeSize": 24576,
"eip155Transition": 10,
"eip98Transition": "0x7fffffffffffff",
"eip86Transition": "0x7fffffffffffff",

4
ethcore/res/ethereum/transition_test.json
View File

@ -6,12 +6,12 @@
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"homesteadTransition": "0",
"eip150Transition": "0",
"eip160Transition": "0",
"eip161abcTransition": "0",
"eip161dTransition": "0",
"maxCodeSize": 24576,
"eip649Reward": "0x29A2241AF62C0000",
"eip100bTransition": "5",
"eip649Transition": "5"
@ -20,12 +20,12 @@
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"accountStartNonce": "0x00",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x1",
"maxCodeSize": 24576,
"eip98Transition": "5",
"eip140Transition": "5",
"eip211Transition": "5",

4
ethcore/res/null.json
View File

@ -1,7 +1,9 @@
{
"name": "Morden",
"engine": {
"null": null
"null": {
"params": {}
}
},
"params": {
"gasLimitBoundDivisor": "0x0400",

4
ethcore/res/null_morden.json
View File

@ -1,7 +1,9 @@
{
"name": "Morden",
"engine": {
"null": null
"null": {
"params": {}
}
},
"params": {
"gasLimitBoundDivisor": "0x0400",

9
ethcore/res/null_morden_with_reward.json
View File

@ -1,15 +1,18 @@
{
"name": "Morden",
"engine": {
"null": null
"null": {
"params": {
"blockReward": "0x4563918244F40000"
}
}
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"accountStartNonce": "0x0",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x2",
"blockReward": "0x4563918244F40000"
"networkID" : "0x2"
},
"genesis": {
"seal": {

103
ethcore/src/block.rs
View File

@ -31,7 +31,7 @@ use unexpected::{Mismatch, OutOfBounds};
use basic_types::{LogBloom, Seal};
use vm::{EnvInfo, LastHashes};
use engines::Engine;
use engines::EthEngine;
use error::{Error, BlockError, TransactionError};
use factory::Factories;
use header::Header;
@ -97,6 +97,7 @@ pub struct ExecutedBlock {
transactions_set: HashSet<H256>,
state: State<StateDB>,
traces: Option<Vec<Vec<FlatTrace>>>,
last_hashes: Arc<LastHashes>,
}
/// A set of references to `ExecutedBlock` fields that are publicly accessible.
@ -115,6 +116,17 @@ pub struct BlockRefMut<'a> {
pub traces: &'a mut Option<Vec<Vec<FlatTrace>>>,
}
impl<'a> BlockRefMut<'a> {
/// Add traces if tracing is enabled.
pub fn push_traces(&mut self, tracer: ::trace::ExecutiveTracer) {
use trace::Tracer;
if let Some(ref mut traces) = self.traces.as_mut() {
traces.push(tracer.drain())
}
}
}
/// A set of immutable references to `ExecutedBlock` fields that are publicly accessible.
pub struct BlockRef<'a> {
/// Block header.
@ -133,7 +145,7 @@ pub struct BlockRef<'a> {
impl ExecutedBlock {
/// Create a new block from the given `state`.
fn new(state: State<StateDB>, tracing: bool) -> ExecutedBlock {
fn new(state: State<StateDB>, last_hashes: Arc<LastHashes>, tracing: bool) -> ExecutedBlock {
ExecutedBlock {
header: Default::default(),
transactions: Default::default(),
@ -142,6 +154,7 @@ impl ExecutedBlock {
transactions_set: Default::default(),
state: state,
traces: if tracing {Some(Vec::new())} else {None},
last_hashes: last_hashes,
}
}
@ -168,6 +181,20 @@ impl ExecutedBlock {
traces: &self.traces,
}
}
/// Get the environment info concerning this block.
pub fn env_info(&self) -> EnvInfo {
// TODO: memoise.
EnvInfo {
number: self.header.number(),
author: self.header.author().clone(),
timestamp: self.header.timestamp(),
difficulty: self.header.difficulty().clone(),
last_hashes: self.last_hashes.clone(),
gas_used: self.receipts.last().map_or(U256::zero(), |r| r.gas_used),
gas_limit: self.header.gas_limit().clone(),
}
}
}
/// Trait for a object that is a `ExecutedBlock`.
@ -216,14 +243,33 @@ impl IsBlock for ExecutedBlock {
fn block(&self) -> &ExecutedBlock { self }
}
impl ::parity_machine::LiveBlock for ExecutedBlock {
type Header = Header;
fn header(&self) -> &Header {
&self.header
}
fn uncles(&self) -> &[Header] {
&self.uncles
}
}
impl ::parity_machine::Transactions for ExecutedBlock {
type Transaction = SignedTransaction;
fn transactions(&self) -> &[SignedTransaction] {
&self.transactions
}
}
/// Block that is ready for transactions to be added.
///
/// It's a bit like a Vec<Transaction>, except that whenever a transaction is pushed, we execute it and
/// maintain the system `state()`. We also archive execution receipts in preparation for later block creation.
pub struct OpenBlock<'x> {
block: ExecutedBlock,
engine: &'x Engine,
last_hashes: Arc<LastHashes>,
engine: &'x EthEngine,
}
/// Just like `OpenBlock`, except that we've applied `Engine::on_close_block`, finished up the non-seal header fields,
@ -234,7 +280,6 @@ pub struct OpenBlock<'x> {
pub struct ClosedBlock {
block: ExecutedBlock,
uncle_bytes: Bytes,
last_hashes: Arc<LastHashes>,
unclosed_state: State<StateDB>,
}
@ -259,7 +304,7 @@ impl<'x> OpenBlock<'x> {
#[cfg_attr(feature="dev", allow(too_many_arguments))]
/// Create a new `OpenBlock` ready for transaction pushing.
pub fn new(
engine: &'x Engine,
engine: &'x EthEngine,
factories: Factories,
tracing: bool,
db: StateDB,
@ -273,9 +318,8 @@ impl<'x> OpenBlock<'x> {
let number = parent.number() + 1;
let state = State::from_existing(db, parent.state_root().clone(), engine.account_start_nonce(number), factories)?;
let mut r = OpenBlock {
block: ExecutedBlock::new(state, tracing),
block: ExecutedBlock::new(state, last_hashes, tracing),
engine: engine,
last_hashes: last_hashes.clone(),
};
r.block.header.set_parent_hash(parent.hash());
@ -287,8 +331,12 @@ impl<'x> OpenBlock<'x> {
let gas_floor_target = cmp::max(gas_range_target.0, engine.params().min_gas_limit);
let gas_ceil_target = cmp::max(gas_range_target.1, gas_floor_target);
engine.populate_from_parent(&mut r.block.header, parent, gas_floor_target, gas_ceil_target);
engine.on_new_block(&mut r.block, last_hashes, is_epoch_begin)?;
engine.machine().populate_from_parent(&mut r.block.header, parent, gas_floor_target, gas_ceil_target);
engine.populate_from_parent(&mut r.block.header, parent);
engine.machine().on_new_block(&mut r.block)?;
engine.on_new_block(&mut r.block, is_epoch_begin)?;
Ok(r)
}
@ -343,16 +391,7 @@ impl<'x> OpenBlock<'x> {
/// Get the environment info concerning this block.
pub fn env_info(&self) -> EnvInfo {
// TODO: memoise.
EnvInfo {
number: self.block.header.number(),
author: self.block.header.author().clone(),
timestamp: self.block.header.timestamp(),
difficulty: self.block.header.difficulty().clone(),
last_hashes: self.last_hashes.clone(),
gas_used: self.block.receipts.last().map_or(U256::zero(), |r| r.gas_used),
gas_limit: self.block.header.gas_limit().clone(),
}
self.block.env_info()
}
/// Push a transaction into the block.
@ -365,7 +404,7 @@ impl<'x> OpenBlock<'x> {
let env_info = self.env_info();
// info!("env_info says gas_used={}", env_info.gas_used);
match self.block.state.apply(&env_info, self.engine, &t, self.block.traces.is_some()) {
match self.block.state.apply(&env_info, self.engine.machine(), &t, self.block.traces.is_some()) {
Ok(outcome) => {
self.block.transactions_set.insert(h.unwrap_or_else(||t.hash()));
self.block.transactions.push(t.into());
@ -418,7 +457,6 @@ impl<'x> OpenBlock<'x> {
ClosedBlock {
block: s.block,
uncle_bytes: uncle_bytes,
last_hashes: s.last_hashes,
unclosed_state: unclosed_state,
}
}
@ -485,14 +523,13 @@ impl ClosedBlock {
}
/// Given an engine reference, reopen the `ClosedBlock` into an `OpenBlock`.
pub fn reopen(self, engine: &Engine) -> OpenBlock {
pub fn reopen(self, engine: &EthEngine) -> OpenBlock {
// revert rewards (i.e. set state back at last transaction's state).
let mut block = self.block;
block.state = self.unclosed_state;
OpenBlock {
block: block,
engine: engine,
last_hashes: self.last_hashes,
}
}
}
@ -504,7 +541,7 @@ impl LockedBlock {
/// Provide a valid seal in order to turn this into a `SealedBlock`.
///
/// NOTE: This does not check the validity of `seal` with the engine.
pub fn seal(self, engine: &Engine, seal: Vec<Bytes>) -> Result<SealedBlock, BlockError> {
pub fn seal(self, engine: &EthEngine, seal: Vec<Bytes>) -> Result<SealedBlock, BlockError> {
let mut s = self;
if seal.len() != engine.seal_fields() {
return Err(BlockError::InvalidSealArity(Mismatch{expected: engine.seal_fields(), found: seal.len()}));
@ -518,12 +555,14 @@ impl LockedBlock {
/// Returns the `ClosedBlock` back again if the seal is no good.
pub fn try_seal(
self,
engine: &Engine,
engine: &EthEngine,
seal: Vec<Bytes>,
) -> Result<SealedBlock, (Error, LockedBlock)> {
let mut s = self;
s.block.header.set_seal(seal);
match engine.verify_block_seal(&s.block.header) {
// TODO: passing state context to avoid engines owning it?
match engine.verify_local_seal(&s.block.header) {
Err(e) => Err((e, s)),
_ => Ok(SealedBlock { block: s.block, uncle_bytes: s.uncle_bytes }),
}
@ -575,7 +614,7 @@ pub fn enact(
header: &Header,
transactions: &[SignedTransaction],
uncles: &[Header],
engine: &Engine,
engine: &EthEngine,
tracing: bool,
db: StateDB,
parent: &Header,
@ -647,7 +686,7 @@ fn push_transactions(block: &mut OpenBlock, transactions: &[SignedTransaction])
#[cfg_attr(feature="dev", allow(too_many_arguments))]
pub fn enact_verified(
block: &PreverifiedBlock,
engine: &Engine,
engine: &EthEngine,
tracing: bool,
db: StateDB,
parent: &Header,
@ -675,7 +714,7 @@ pub fn enact_verified(
mod tests {
use tests::helpers::*;
use super::*;
use engines::Engine;
use engines::EthEngine;
use vm::LastHashes;
use error::Error;
use header::Header;
@ -690,7 +729,7 @@ mod tests {
#[cfg_attr(feature="dev", allow(too_many_arguments))]
fn enact_bytes(
block_bytes: &[u8],
engine: &Engine,
engine: &EthEngine,
tracing: bool,
db: StateDB,
parent: &Header,
@ -737,7 +776,7 @@ mod tests {
#[cfg_attr(feature="dev", allow(too_many_arguments))]
fn enact_and_seal(
block_bytes: &[u8],
engine: &Engine,
engine: &EthEngine,
tracing: bool,
db: StateDB,
parent: &Header,

9
ethcore/src/client/ancient_import.rs
View File

@ -19,8 +19,9 @@
use std::sync::Arc;
use blockchain::BlockChain;
use engines::{Engine, EpochVerifier};
use engines::{EthEngine, EpochVerifier};
use header::Header;
use machine::EthereumMachine;
use rand::Rng;
use parking_lot::RwLock;
@ -31,13 +32,13 @@ const HEAVY_VERIFY_RATE: f32 = 0.02;
/// Ancient block verifier: import an ancient sequence of blocks in order from a starting
/// epoch.
pub struct AncientVerifier {
cur_verifier: RwLock<Box<EpochVerifier>>,
engine: Arc<Engine>,
cur_verifier: RwLock<Box<EpochVerifier<EthereumMachine>>>,
engine: Arc<EthEngine>,
}
impl AncientVerifier {
/// Create a new ancient block verifier with the given engine and initial verifier.
pub fn new(engine: Arc<Engine>, start_verifier: Box<EpochVerifier>) -> Self {
pub fn new(engine: Arc<EthEngine>, start_verifier: Box<EpochVerifier<EthereumMachine>>) -> Self {
AncientVerifier {
cur_verifier: RwLock::new(start_verifier),
engine: engine,

77
ethcore/src/client/client.rs
View File

@ -46,7 +46,7 @@ use client::{
ChainNotify, PruningInfo, ProvingBlockChainClient,
};
use encoded;
use engines::{Engine, EpochTransition};
use engines::{EthEngine, EpochTransition};
use error::{ImportError, ExecutionError, CallError, BlockError, ImportResult, Error as EthcoreError};
use vm::{EnvInfo, LastHashes};
use evm::{Factory as EvmFactory, Schedule};
@ -147,7 +147,7 @@ pub struct Client {
mode: Mutex<Mode>,
chain: RwLock<Arc<BlockChain>>,
tracedb: RwLock<TraceDB<BlockChain>>,
engine: Arc<Engine>,
engine: Arc<EthEngine>,
config: ClientConfig,
pruning: journaldb::Algorithm,
db: RwLock<Arc<KeyValueDB>>,
@ -332,7 +332,7 @@ impl Client {
}
/// Returns engine reference.
pub fn engine(&self) -> &Engine {
pub fn engine(&self) -> &EthEngine {
&*self.engine
}
@ -421,22 +421,34 @@ impl Client {
return Err(());
}
// Check if parent is in chain
let parent = match chain.block_header(header.parent_hash()) {
Some(h) => h,
None => {
warn!(target: "client", "Block import failed for #{} ({}): Parent not found ({}) ", header.number(), header.hash(), header.parent_hash());
return Err(());
}
};
// Verify Block Family
let verify_family_result = self.verifier.verify_block_family(header, &block.bytes, engine, &**chain);
let verify_family_result = self.verifier.verify_block_family(
header,
&parent,
engine,
Some((&block.bytes, &block.transactions, &**chain, self)),
);
if let Err(e) = verify_family_result {
warn!(target: "client", "Stage 3 block verification failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
};
let verify_external_result = self.verifier.verify_block_external(header, &block.bytes, engine);
let verify_external_result = self.verifier.verify_block_external(header, engine);
if let Err(e) = verify_external_result {
warn!(target: "client", "Stage 4 block verification failed for #{} ({})\nError: {:?}", header.number(), header.hash(), e);
return Err(());
};
// Check if Parent is in chain
let chain_has_parent = chain.block_header(header.parent_hash());
if let Some(parent) = chain_has_parent {
// Enact Verified Block
let last_hashes = self.build_last_hashes(header.parent_hash().clone());
let db = self.state_db.lock().boxed_clone_canon(header.parent_hash());
@ -466,10 +478,6 @@ impl Client {
}
Ok(locked_block)
} else {
warn!(target: "client", "Block import failed for #{} ({}): Parent not found ({}) ", header.number(), header.hash(), header.parent_hash());
Err(())
}
}
fn calculate_enacted_retracted(&self, import_results: &[ImportRoute]) -> (Vec<H256>, Vec<H256>) {
@ -721,7 +729,12 @@ impl Client {
use engines::EpochChange;
let hash = header.hash();
match self.engine.signals_epoch_end(header, Some(block_bytes), Some(&receipts)) {
let auxiliary = ::machine::AuxiliaryData {
bytes: Some(block_bytes),
receipts: Some(&receipts),
};
match self.engine.signals_epoch_end(header, auxiliary) {
EpochChange::Yes(proof) => {
use engines::epoch::PendingTransition;
use engines::Proof;
@ -754,7 +767,7 @@ impl Client {
).expect("state known to be available for just-imported block; qed");
let options = TransactOptions::with_no_tracing().dont_check_nonce();
let res = Executive::new(&mut state, &env_info, &*self.engine)
let res = Executive::new(&mut state, &env_info, self.engine.machine())
.transact(&transaction, options);
let res = match res {
@ -821,7 +834,7 @@ impl Client {
// use a state-proving closure for the given block.
fn with_proving_caller<F, T>(&self, id: BlockId, with_call: F) -> T
where F: FnOnce(&::engines::Call) -> T
where F: FnOnce(&::machine::Call) -> T
{
let call = |a, d| {
let tx = self.contract_call_tx(id, a, d);
@ -1119,15 +1132,14 @@ impl Client {
}
fn do_virtual_call(&self, env_info: &EnvInfo, state: &mut State<StateDB>, t: &SignedTransaction, analytics: CallAnalytics) -> Result<Executed, CallError> {
fn call<E, V, T>(
fn call<V, T>(
state: &mut State<StateDB>,
env_info: &EnvInfo,
engine: &E,
machine: &::machine::EthereumMachine,
state_diff: bool,
transaction: &SignedTransaction,
options: TransactOptions<T, V>,
) -> Result<Executed, CallError> where
E: Engine + ?Sized,
T: trace::Tracer,
V: trace::VMTracer,
{
@ -1136,7 +1148,7 @@ impl Client {
.save_output_from_contract();
let original_state = if state_diff { Some(state.clone()) } else { None };
let mut ret = Executive::new(state, env_info, engine).transact_virtual(transaction, options)?;
let mut ret = Executive::new(state, env_info, machine).transact_virtual(transaction, options)?;
if let Some(original) = original_state {
ret.state_diff = Some(state.diff_from(original).map_err(ExecutionError::from)?);
@ -1145,13 +1157,13 @@ impl Client {
}
let state_diff = analytics.state_diffing;
let engine = &*self.engine;
let machine = self.engine.machine();
match (analytics.transaction_tracing, analytics.vm_tracing) {
(true, true) => call(state, env_info, engine, state_diff, t, TransactOptions::with_tracing_and_vm_tracing()),
(true, false) => call(state, env_info, engine, state_diff, t, TransactOptions::with_tracing()),
(false, true) => call(state, env_info, engine, state_diff, t, TransactOptions::with_vm_tracing()),
(false, false) => call(state, env_info, engine, state_diff, t, TransactOptions::with_no_tracing()),
(true, true) => call(state, env_info, machine, state_diff, t, TransactOptions::with_tracing_and_vm_tracing()),
(true, false) => call(state, env_info, machine, state_diff, t, TransactOptions::with_tracing()),
(false, true) => call(state, env_info, machine, state_diff, t, TransactOptions::with_vm_tracing()),
(false, false) => call(state, env_info, machine, state_diff, t, TransactOptions::with_no_tracing()),
}
}
@ -1235,7 +1247,7 @@ impl BlockChainClient for Client {
let tx = tx.fake_sign(sender);
let mut state = original_state.clone();
Ok(Executive::new(&mut state, &env_info, &*self.engine)
Ok(Executive::new(&mut state, &env_info, self.engine.machine())
.transact_virtual(&tx, options())
.map(|r| r.exception.is_none())
.unwrap_or(false))
@ -1296,7 +1308,7 @@ impl BlockChainClient for Client {
let rest = txs.split_off(address.index);
for t in txs {
let t = SignedTransaction::new(t).expect(PROOF);
let x = Executive::new(&mut state, &env_info, &*self.engine).transact(&t, TransactOptions::with_no_tracing())?;
let x = Executive::new(&mut state, &env_info, self.engine.machine()).transact(&t, TransactOptions::with_no_tracing())?;
env_info.gas_used = env_info.gas_used + x.gas_used;
}
let first = rest.into_iter().next().expect("We split off < `address.index`; Length is checked earlier; qed");
@ -1575,7 +1587,7 @@ impl BlockChainClient for Client {
.collect();
match (transaction, previous_receipts) {
(Some(transaction), Some(previous_receipts)) => {
Some(transaction_receipt(self.engine(), transaction, previous_receipts))
Some(transaction_receipt(self.engine().machine(), transaction, previous_receipts))
},
_ => None,
}
@ -1995,7 +2007,7 @@ impl ProvingBlockChainClient for Client {
jdb.as_hashdb_mut(),
header.state_root().clone(),
&transaction,
&*self.engine,
self.engine.machine(),
&env_info,
self.factories.clone(),
false,
@ -2018,7 +2030,7 @@ impl Drop for Client {
/// Returns `LocalizedReceipt` given `LocalizedTransaction`
/// and a vector of receipts from given block up to transaction index.
fn transaction_receipt(engine: &Engine, mut tx: LocalizedTransaction, mut receipts: Vec<Receipt>) -> LocalizedReceipt {
fn transaction_receipt(machine: &::machine::EthereumMachine, mut tx: LocalizedTransaction, mut receipts: Vec<Receipt>) -> LocalizedReceipt {
assert_eq!(receipts.len(), tx.transaction_index + 1, "All previous receipts are provided.");
let sender = tx.sender();
@ -2042,7 +2054,7 @@ fn transaction_receipt(engine: &Engine, mut tx: LocalizedTransaction, mut receip
gas_used: receipt.gas_used - prior_gas_used,
contract_address: match tx.action {
Action::Call(_) => None,
Action::Create => Some(contract_address(engine.create_address_scheme(block_number), &sender, &tx.nonce, &tx.data).0)
Action::Create => Some(contract_address(machine.create_address_scheme(block_number), &sender, &tx.nonce, &tx.data).0)
},
logs: receipt.logs.into_iter().enumerate().map(|(i, log)| LocalizedLogEntry {
entry: log,
@ -2102,12 +2114,11 @@ mod tests {
use log_entry::{LogEntry, LocalizedLogEntry};
use receipt::{Receipt, LocalizedReceipt, TransactionOutcome};
use transaction::{Transaction, LocalizedTransaction, Action};
use tests::helpers::TestEngine;
// given
let key = KeyPair::from_secret_slice(&keccak("test")).unwrap();
let secret = key.secret();
let engine = TestEngine::new(0);
let machine = ::ethereum::new_frontier_test_machine();
let block_number = 1;
let block_hash = 5.into();
@ -2151,7 +2162,7 @@ mod tests {
}];
// when
let receipt = transaction_receipt(&engine, transaction, receipts);
let receipt = transaction_receipt(&machine, transaction, receipts);
// then
assert_eq!(receipt, LocalizedReceipt {

4
ethcore/src/client/evm_test_client.rs
View File

@ -181,7 +181,7 @@ impl<'a> EvmTestClient<'a> {
let mut substate = state::Substate::new();
let mut tracer = trace::NoopTracer;
let mut output = vec![];
let mut executive = executive::Executive::new(&mut self.state, &info, &*self.spec.engine);
let mut executive = executive::Executive::new(&mut self.state, &info, self.spec.engine.machine());
executive.call(
params,
&mut substate,
@ -211,7 +211,7 @@ impl<'a> EvmTestClient<'a> {
// Apply transaction
let tracer = trace::NoopTracer;
let result = self.state.apply_with_tracing(&env_info, &*self.spec.engine, &transaction, tracer, vm_tracer);
let result = self.state.apply_with_tracing(&env_info, self.spec.engine.machine(), &transaction, tracer, vm_tracer);
match result {
Ok(result) => {

174
ethcore/src/engines/authority_round/mod.rs
View File

@ -19,19 +19,16 @@
use std::sync::atomic::{AtomicUsize, AtomicBool, Ordering as AtomicOrdering};
use std::sync::{Weak, Arc};
use std::time::{UNIX_EPOCH, Duration};
use std::collections::{BTreeMap, HashSet, HashMap};
use std::cmp;
use std::collections::{BTreeMap, HashSet};
use account_provider::AccountProvider;
use block::*;
use builtin::Builtin;
use client::EngineClient;
use engines::{Call, Engine, Seal, EngineError, ConstructedVerifier};
use error::{Error, TransactionError, BlockError};
use engines::{Engine, Seal, EngineError, ConstructedVerifier};
use error::{Error, BlockError};
use ethjson;
use machine::{AuxiliaryData, Call, EthereumMachine};
use header::{Header, BlockNumber};
use spec::CommonParams;
use transaction::UnverifiedTransaction;
use super::signer::EngineSigner;
use super::validator_set::{ValidatorSet, SimpleList, new_validator_set};
@ -66,6 +63,8 @@ pub struct AuthorityRoundParams {
pub validate_step_transition: u64,
/// Immediate transitions.
pub immediate_transitions: bool,
/// Block reward in base units.
pub block_reward: U256,
}
impl From<ethjson::spec::AuthorityRoundParams> for AuthorityRoundParams {
@ -77,6 +76,7 @@ impl From<ethjson::spec::AuthorityRoundParams> for AuthorityRoundParams {
validate_score_transition: p.validate_score_transition.map_or(0, Into::into),
validate_step_transition: p.validate_step_transition.map_or(0, Into::into),
immediate_transitions: p.immediate_transitions.unwrap_or(false),
block_reward: p.block_reward.map_or_else(Default::default, Into::into),
}
}
}
@ -138,7 +138,7 @@ impl EpochManager {
}
// zoom to epoch for given header. returns true if succeeded, false otherwise.
fn zoom_to(&mut self, client: &EngineClient, engine: &Engine, validators: &ValidatorSet, header: &Header) -> bool {
fn zoom_to(&mut self, client: &EngineClient, machine: &EthereumMachine, validators: &ValidatorSet, header: &Header) -> bool {
let last_was_parent = self.finality_checker.subchain_head() == Some(header.parent_hash().clone());
// early exit for current target == chain head, but only if the epochs are
@ -164,7 +164,6 @@ impl EpochManager {
}
};
// extract other epoch set if it's not the same as the last.
if last_transition.block_hash != self.epoch_transition_hash {
let (signal_number, set_proof, _) = destructure_proofs(&last_transition.proof)
@ -176,7 +175,7 @@ impl EpochManager {
let first = signal_number == 0;
let epoch_set = validators.epoch_set(
first,
engine,
machine,
signal_number, // use signal number so multi-set first calculation is correct.
set_proof,
)
@ -208,8 +207,6 @@ impl EpochManager {
/// Engine using `AuthorityRound` proof-of-authority BFT consensus.
pub struct AuthorityRound {
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
transition_service: IoService<()>,
step: Arc<Step>,
can_propose: AtomicBool,
@ -220,6 +217,8 @@ pub struct AuthorityRound {
validate_step_transition: u64,
epoch_manager: Mutex<EpochManager>,
immediate_transitions: bool,
block_reward: U256,
machine: EthereumMachine,
}
// header-chain validator.
@ -228,7 +227,7 @@ struct EpochVerifier {
subchain_validators: SimpleList,
}
impl super::EpochVerifier for EpochVerifier {
impl super::EpochVerifier<EthereumMachine> for EpochVerifier {
fn verify_light(&self, header: &Header) -> Result<(), Error> {
// always check the seal since it's fast.
// nothing heavier to do.
@ -250,7 +249,6 @@ impl super::EpochVerifier for EpochVerifier {
let headers: Vec<Header> = otry!(UntrustedRlp::new(proof).as_list().ok());
for header in &headers {
// ensure all headers have correct number of seal fields so we can `verify_external`
// without panic.
@ -347,13 +345,11 @@ impl AsMillis for Duration {
impl AuthorityRound {
/// Create a new instance of AuthorityRound engine.
pub fn new(params: CommonParams, our_params: AuthorityRoundParams, builtins: BTreeMap<Address, Builtin>) -> Result<Arc<Self>, Error> {
pub fn new(our_params: AuthorityRoundParams, machine: EthereumMachine) -> Result<Arc<Self>, Error> {
let should_timeout = our_params.start_step.is_none();
let initial_step = our_params.start_step.unwrap_or_else(|| (unix_now().as_secs() / our_params.step_duration.as_secs())) as usize;
let engine = Arc::new(
AuthorityRound {
params: params,
builtins: builtins,
transition_service: IoService::<()>::start()?,
step: Arc::new(Step {
inner: AtomicUsize::new(initial_step),
@ -368,6 +364,8 @@ impl AuthorityRound {
validate_step_transition: our_params.validate_step_transition,
epoch_manager: Mutex::new(EpochManager::blank()),
immediate_transitions: our_params.immediate_transitions,
block_reward: our_params.block_reward,
machine: machine,
});
// Do not initialize timeouts for tests.
@ -410,22 +408,16 @@ impl IoHandler<()> for TransitionHandler {
}
}
impl Engine for AuthorityRound {
impl Engine<EthereumMachine> for AuthorityRound {
fn name(&self) -> &str { "AuthorityRound" }
fn version(&self) -> SemanticVersion { SemanticVersion::new(1, 0, 0) }
fn machine(&self) -> &EthereumMachine { &self.machine }
/// Two fields - consensus step and the corresponding proposer signature.
fn seal_fields(&self) -> usize { 2 }
fn params(&self) -> &CommonParams { &self.params }
fn additional_params(&self) -> HashMap<String, String> {
hash_map!["registrar".to_owned() => self.params().registrar.hex()]
}
fn builtins(&self) -> &BTreeMap<Address, Builtin> { &self.builtins }
fn step(&self) {
self.step.increment();
self.can_propose.store(true, AtomicOrdering::SeqCst);
@ -444,19 +436,10 @@ impl Engine for AuthorityRound {
]
}
fn populate_from_parent(&self, header: &mut Header, parent: &Header, gas_floor_target: U256, _gas_ceil_target: U256) {
fn populate_from_parent(&self, header: &mut Header, parent: &Header) {
// Chain scoring: total weight is sqrt(U256::max_value())*height - step
let new_difficulty = U256::from(U128::max_value()) + header_step(parent).expect("Header has been verified; qed").into() - self.step.load().into();
header.set_difficulty(new_difficulty);
header.set_gas_limit({
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.params().gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
cmp::min(gas_floor_target, gas_limit + gas_limit / bound_divisor - 1.into())
} else {
cmp::max(gas_floor_target, gas_limit - gas_limit / bound_divisor + 1.into())
}
});
}
fn seals_internally(&self) -> Option<bool> {
@ -491,7 +474,7 @@ impl Engine for AuthorityRound {
}
};
if !epoch_manager.zoom_to(&*client, self, &*self.validators, header) {
if !epoch_manager.zoom_to(&*client, &self.machine, &*self.validators, header) {
debug!(target: "engine", "Unable to zoom to epoch.");
return Seal::None;
}
@ -518,15 +501,15 @@ impl Engine for AuthorityRound {
Seal::None
}
fn verify_local_seal(&self, _header: &Header) -> Result<(), Error> {
Ok(())
}
fn on_new_block(
&self,
block: &mut ExecutedBlock,
last_hashes: Arc<::vm::LastHashes>,
epoch_begin: bool,
) -> Result<(), Error> {
let parent_hash = block.fields().header.parent_hash().clone();
::engines::common::push_last_hash(block, last_hashes.clone(), self, &parent_hash)?;
// with immediate transitions, we don't use the epoch mechanism anyway.
// the genesis is always considered an epoch, but we ignore it intentionally.
if self.immediate_transitions || !epoch_begin { return Ok(()) }
@ -536,10 +519,8 @@ impl Engine for AuthorityRound {
let first = header.number() == 0;
let mut call = |to, data| {
let result = ::engines::common::execute_as_system(
let result = self.machine.execute_as_system(
block,
last_hashes.clone(),
self,
to,
U256::max_value(), // unbounded gas? maybe make configurable.
Some(data),
@ -553,17 +534,13 @@ impl Engine for AuthorityRound {
/// Apply the block reward on finalisation of the block.
fn on_close_block(&self, block: &mut ExecutedBlock) -> Result<(), Error> {
::engines::common::bestow_block_reward(block, self)
// TODO: move to "machine::WithBalances" trait.
::engines::common::bestow_block_reward(block, self.block_reward)
}
/// Check the number of seal fields.
fn verify_block_basic(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
if header.seal().len() != self.seal_fields() {
trace!(target: "engine", "verify_block_basic: wrong number of seal fields");
Err(From::from(BlockError::InvalidSealArity(
Mismatch { expected: self.seal_fields(), found: header.seal().len() }
)))
} else if header.number() >= self.validate_score_transition && *header.difficulty() >= U256::from(U128::max_value()) {
fn verify_block_basic(&self, header: &Header,) -> Result<(), Error> {
if header.number() >= self.validate_score_transition && *header.difficulty() >= U256::from(U128::max_value()) {
Err(From::from(BlockError::DifficultyOutOfBounds(
OutOfBounds { min: None, max: Some(U256::from(U128::max_value())), found: *header.difficulty() }
)))
@ -572,19 +549,10 @@ impl Engine for AuthorityRound {
}
}
fn verify_block_unordered(&self, _header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
Ok(())
}
/// Do the step and gas limit validation.
fn verify_block_family(&self, header: &Header, parent: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
fn verify_block_family(&self, header: &Header, parent: &Header) -> Result<(), Error> {
let step = header_step(header)?;
// Do not calculate difficulty for genesis blocks.
if header.number() == 0 {
return Err(From::from(BlockError::RidiculousNumber(OutOfBounds { min: Some(1), max: None, found: header.number() })));
}
let parent_step = header_step(parent)?;
// Ensure header is from the step after parent.
@ -595,6 +563,7 @@ impl Engine for AuthorityRound {
self.validators.report_malicious(header.author(), header.number(), header.number(), Default::default());
Err(EngineError::DoubleVote(header.author().clone()))?;
}
// Report skipped primaries.
if let (true, Some(me)) = (step > parent_step + 1, self.signer.read().address()) {
debug!(target: "engine", "Author {} built block with step gap. current step: {}, parent step: {}",
@ -611,17 +580,11 @@ impl Engine for AuthorityRound {
}
}
let gas_limit_divisor = self.params().gas_limit_bound_divisor;
let min_gas = parent.gas_limit().clone() - parent.gas_limit().clone() / gas_limit_divisor;
let max_gas = parent.gas_limit().clone() + parent.gas_limit().clone() / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
return Err(From::from(BlockError::InvalidGasLimit(OutOfBounds { min: Some(min_gas), max: Some(max_gas), found: header.gas_limit().clone() })));
}
Ok(())
}
// Check the validators.
fn verify_block_external(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
fn verify_block_external(&self, header: &Header) -> Result<(), Error> {
// fetch correct validator set for current epoch, taking into account
// finality of previous transitions.
let active_set;
@ -639,7 +602,7 @@ impl Engine for AuthorityRound {
};
let mut epoch_manager = self.epoch_manager.lock();
if !epoch_manager.zoom_to(&*client, self, &*self.validators, header) {
if !epoch_manager.zoom_to(&*client, &self.machine, &*self.validators, header) {
debug!(target: "engine", "Unable to zoom to epoch.");
return Err(EngineError::RequiresClient.into())
}
@ -667,19 +630,19 @@ impl Engine for AuthorityRound {
.map(|set_proof| combine_proofs(0, &set_proof, &[]))
}
fn signals_epoch_end(&self, header: &Header, block: Option<&[u8]>, receipts: Option<&[::receipt::Receipt]>)
-> super::EpochChange
fn signals_epoch_end(&self, header: &Header, aux: AuxiliaryData)
-> super::EpochChange<EthereumMachine>
{
if self.immediate_transitions { return super::EpochChange::No }
let first = header.number() == 0;
self.validators.signals_epoch_end(first, header, block, receipts)
self.validators.signals_epoch_end(first, header, aux)
}
fn is_epoch_end(
&self,
chain_head: &Header,
chain: &super::Headers,
chain: &super::Headers<Header>,
transition_store: &super::PendingTransitionStore,
) -> Option<Vec<u8>> {
// epochs only matter if we want to support light clients.
@ -703,7 +666,7 @@ impl Engine for AuthorityRound {
// find most recently finalized blocks, then check transition store for pending transitions.
let mut epoch_manager = self.epoch_manager.lock();
if !epoch_manager.zoom_to(&*client, self, &*self.validators, chain_head) {
if !epoch_manager.zoom_to(&*client, &self.machine, &*self.validators, chain_head) {
return None;
}
@ -782,14 +745,14 @@ impl Engine for AuthorityRound {
None
}
fn epoch_verifier<'a>(&self, _header: &Header, proof: &'a [u8]) -> ConstructedVerifier<'a> {
fn epoch_verifier<'a>(&self, _header: &Header, proof: &'a [u8]) -> ConstructedVerifier<'a, EthereumMachine> {
let (signal_number, set_proof, finality_proof) = match destructure_proofs(proof) {
Ok(x) => x,
Err(e) => return ConstructedVerifier::Err(e),
};
let first = signal_number == 0;
match self.validators.epoch_set(first, self, signal_number, set_proof) {
match self.validators.epoch_set(first, &self.machine, signal_number, set_proof) {
Ok((list, finalize)) => {
let verifier = Box::new(EpochVerifier {
step: self.step.clone(),
@ -805,18 +768,6 @@ impl Engine for AuthorityRound {
}
}
fn verify_transaction_basic(&self, t: &UnverifiedTransaction, header: &Header) -> Result<(), Error> {
t.check_low_s()?;
if let Some(n) = t.chain_id() {
if header.number() >= self.params().eip155_transition && n != self.params().chain_id {
return Err(TransactionError::InvalidChainId.into());
}
}
Ok(())
}
fn register_client(&self, client: Weak<EngineClient>) {
*self.client.write() = Some(client.clone());
self.validators.register_client(client);
@ -847,7 +798,6 @@ mod tests {
use bigint::prelude::U256;
use bigint::hash::H520;
use header::Header;
use error::{Error, BlockError};
use rlp::encode;
use block::*;
use tests::helpers::*;
@ -872,27 +822,13 @@ mod tests {
assert!(schedule.stack_limit > 0);
}
#[test]
fn verification_fails_on_short_seal() {
let engine = Spec::new_test_round().engine;
let header: Header = Header::default();
let verify_result = engine.verify_block_basic(&header, None);
match verify_result {
Err(Error::Block(BlockError::InvalidSealArity(_))) => {},
Err(_) => { panic!("should be block seal-arity mismatch error (got {:?})", verify_result); },
_ => { panic!("Should be error, got Ok"); },
}
}
#[test]
fn can_do_signature_verification_fail() {
let engine = Spec::new_test_round().engine;
let mut header: Header = Header::default();
header.set_seal(vec![encode(&H520::default()).into_vec()]);
let verify_result = engine.verify_block_external(&header, None);
let verify_result = engine.verify_block_external(&header);
assert!(verify_result.is_err());
}
@ -946,11 +882,11 @@ mod tests {
// Two validators.
// Spec starts with step 2.
header.set_seal(vec![encode(&2usize).into_vec(), encode(&(&*signature as &[u8])).into_vec()]);
assert!(engine.verify_block_family(&header, &parent_header, None).is_ok());
assert!(engine.verify_block_external(&header, None).is_err());
assert!(engine.verify_block_family(&header, &parent_header).is_ok());
assert!(engine.verify_block_external(&header).is_err());
header.set_seal(vec![encode(&1usize).into_vec(), encode(&(&*signature as &[u8])).into_vec()]);
assert!(engine.verify_block_family(&header, &parent_header, None).is_ok());
assert!(engine.verify_block_external(&header, None).is_ok());
assert!(engine.verify_block_family(&header, &parent_header).is_ok());
assert!(engine.verify_block_external(&header).is_ok());
}
#[test]
@ -972,11 +908,11 @@ mod tests {
// Two validators.
// Spec starts with step 2.
header.set_seal(vec![encode(&1usize).into_vec(), encode(&(&*signature as &[u8])).into_vec()]);
assert!(engine.verify_block_family(&header, &parent_header, None).is_ok());
assert!(engine.verify_block_external(&header, None).is_ok());
assert!(engine.verify_block_family(&header, &parent_header).is_ok());
assert!(engine.verify_block_external(&header).is_ok());
header.set_seal(vec![encode(&5usize).into_vec(), encode(&(&*signature as &[u8])).into_vec()]);
assert!(engine.verify_block_family(&header, &parent_header, None).is_ok());
assert!(engine.verify_block_external(&header, None).is_err());
assert!(engine.verify_block_family(&header, &parent_header).is_ok());
assert!(engine.verify_block_external(&header).is_err());
}
#[test]
@ -998,9 +934,9 @@ mod tests {
// Two validators.
// Spec starts with step 2.
header.set_seal(vec![encode(&5usize).into_vec(), encode(&(&*signature as &[u8])).into_vec()]);
assert!(engine.verify_block_family(&header, &parent_header, None).is_ok());
assert!(engine.verify_block_family(&header, &parent_header).is_ok());
header.set_seal(vec![encode(&3usize).into_vec(), encode(&(&*signature as &[u8])).into_vec()]);
assert!(engine.verify_block_family(&header, &parent_header, None).is_err());
assert!(engine.verify_block_family(&header, &parent_header).is_err());
}
#[test]
@ -1013,12 +949,14 @@ mod tests {
validate_score_transition: 0,
validate_step_transition: 0,
immediate_transitions: true,
block_reward: Default::default(),
};
let aura = {
let mut c_params = ::spec::CommonParams::default();
c_params.gas_limit_bound_divisor = 5.into();
AuthorityRound::new(c_params, params, Default::default()).unwrap()
let machine = ::machine::EthereumMachine::regular(c_params, Default::default());
AuthorityRound::new(params, machine).unwrap()
};
let mut parent_header: Header = Header::default();
@ -1030,12 +968,12 @@ mod tests {
header.set_seal(vec![encode(&3usize).into_vec()]);
// Do not report when signer not present.
assert!(aura.verify_block_family(&header, &parent_header, None).is_ok());
assert!(aura.verify_block_family(&header, &parent_header).is_ok());
assert_eq!(last_benign.load(AtomicOrdering::SeqCst), 0);
aura.set_signer(Arc::new(AccountProvider::transient_provider()), Default::default(), Default::default());
assert!(aura.verify_block_family(&header, &parent_header, None).is_ok());
assert!(aura.verify_block_family(&header, &parent_header).is_ok());
assert_eq!(last_benign.load(AtomicOrdering::SeqCst), 1);
}
}

119
ethcore/src/engines/basic_authority.rs
View File

@ -17,24 +17,18 @@
//! A blockchain engine that supports a basic, non-BFT proof-of-authority.
use std::sync::{Weak, Arc};
use std::collections::BTreeMap;
use std::cmp;
use bigint::prelude::U256;
use bigint::hash::{H256, H520};
use parking_lot::RwLock;
use util::*;
use unexpected::{Mismatch, OutOfBounds};
use ethkey::{recover, public_to_address, Signature};
use account_provider::AccountProvider;
use block::*;
use builtin::Builtin;
use spec::CommonParams;
use engines::{Engine, Seal, Call, ConstructedVerifier, EngineError};
use engines::{Engine, Seal, ConstructedVerifier, EngineError};
use error::{BlockError, Error};
use evm::Schedule;
use ethjson;
use header::{Header, BlockNumber};
use header::Header;
use client::EngineClient;
use machine::{AuxiliaryData, Call, EthereumMachine};
use semantic_version::SemanticVersion;
use super::signer::EngineSigner;
use super::validator_set::{ValidatorSet, SimpleList, new_validator_set};
@ -58,7 +52,7 @@ struct EpochVerifier {
list: SimpleList,
}
impl super::EpochVerifier for EpochVerifier {
impl super::EpochVerifier<EthereumMachine> for EpochVerifier {
fn verify_light(&self, header: &Header) -> Result<(), Error> {
verify_external(header, &self.list)
}
@ -83,53 +77,31 @@ fn verify_external(header: &Header, validators: &ValidatorSet) -> Result<(), Err
/// Engine using `BasicAuthority`, trivial proof-of-authority consensus.
pub struct BasicAuthority {
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
machine: EthereumMachine,
signer: RwLock<EngineSigner>,
validators: Box<ValidatorSet>,
}
impl BasicAuthority {
/// Create a new instance of BasicAuthority engine
pub fn new(params: CommonParams, our_params: BasicAuthorityParams, builtins: BTreeMap<Address, Builtin>) -> Self {
pub fn new(our_params: BasicAuthorityParams, machine: EthereumMachine) -> Self {
BasicAuthority {
params: params,
builtins: builtins,
validators: new_validator_set(our_params.validators),
machine: machine,
signer: Default::default(),
validators: new_validator_set(our_params.validators),
}
}
}
impl Engine for BasicAuthority {
impl Engine<EthereumMachine> for BasicAuthority {
fn name(&self) -> &str { "BasicAuthority" }
fn version(&self) -> SemanticVersion { SemanticVersion::new(1, 0, 0) }
fn machine(&self) -> &EthereumMachine { &self.machine }
// One field - the signature
fn seal_fields(&self) -> usize { 1 }
fn params(&self) -> &CommonParams { &self.params }
fn builtins(&self) -> &BTreeMap<Address, Builtin> { &self.builtins }
/// Additional engine-specific information for the user/developer concerning `header`.
fn extra_info(&self, _header: &Header) -> BTreeMap<String, String> { map!["signature".to_owned() => "TODO".to_owned()] }
fn schedule(&self, _block_number: BlockNumber) -> Schedule {
Schedule::new_homestead()
}
fn populate_from_parent(&self, header: &mut Header, parent: &Header, gas_floor_target: U256, _gas_ceil_target: U256) {
header.set_difficulty(parent.difficulty().clone());
header.set_gas_limit({
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.params().gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
cmp::min(gas_floor_target, gas_limit + gas_limit / bound_divisor - 1.into())
} else {
cmp::max(gas_floor_target, gas_limit - gas_limit / bound_divisor + 1.into())
}
});
}
fn seals_internally(&self) -> Option<bool> {
Some(self.signer.read().is_some())
}
@ -149,41 +121,11 @@ impl Engine for BasicAuthority {
Seal::None
}
fn verify_block_basic(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
// check the seal fields.
// TODO: pull this out into common code.
if header.seal().len() != self.seal_fields() {
return Err(From::from(BlockError::InvalidSealArity(
Mismatch { expected: self.seal_fields(), found: header.seal().len() }
)));
}
fn verify_local_seal(&self, _header: &Header) -> Result<(), Error> {
Ok(())
}
fn verify_block_unordered(&self, _header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
Ok(())
}
fn verify_block_family(&self, header: &Header, parent: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
// Do not calculate difficulty for genesis blocks.
if header.number() == 0 {
return Err(From::from(BlockError::RidiculousNumber(OutOfBounds { min: Some(1), max: None, found: header.number() })));
}
// Check difficulty is correct given the two timestamps.
if header.difficulty() != parent.difficulty() {
return Err(From::from(BlockError::InvalidDifficulty(Mismatch { expected: *parent.difficulty(), found: *header.difficulty() })))
}
let gas_limit_divisor = self.params().gas_limit_bound_divisor;
let min_gas = parent.gas_limit().clone() - parent.gas_limit().clone() / gas_limit_divisor;
let max_gas = parent.gas_limit().clone() + parent.gas_limit().clone() / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
return Err(From::from(BlockError::InvalidGasLimit(OutOfBounds { min: Some(min_gas), max: Some(max_gas), found: header.gas_limit().clone() })));
}
Ok(())
}
fn verify_block_external(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
fn verify_block_external(&self, header: &Header) -> Result<(), Error> {
verify_external(header, &*self.validators)
}
@ -192,26 +134,26 @@ impl Engine for BasicAuthority {
}
#[cfg(not(test))]
fn signals_epoch_end(&self, _header: &Header, _block: Option<&[u8]>, _receipts: Option<&[::receipt::Receipt]>)
-> super::EpochChange
fn signals_epoch_end(&self, _header: &Header, _auxiliary: AuxiliaryData)
-> super::EpochChange<EthereumMachine>
{
// don't bother signalling even though a contract might try.
super::EpochChange::No
}
#[cfg(test)]
fn signals_epoch_end(&self, header: &Header, block: Option<&[u8]>, receipts: Option<&[::receipt::Receipt]>)
-> super::EpochChange
fn signals_epoch_end(&self, header: &Header, auxiliary: AuxiliaryData)
-> super::EpochChange<EthereumMachine>
{
// in test mode, always signal even though they don't be finalized.
let first = header.number() == 0;
self.validators.signals_epoch_end(first, header, block, receipts)
self.validators.signals_epoch_end(first, header, auxiliary)
}
fn is_epoch_end(
&self,
chain_head: &Header,
_chain: &super::Headers,
_chain: &super::Headers<Header>,
_transition_store: &super::PendingTransitionStore,
) -> Option<Vec<u8>> {
let first = chain_head.number() == 0;
@ -220,10 +162,10 @@ impl Engine for BasicAuthority {
self.validators.is_epoch_end(first, chain_head)
}
fn epoch_verifier<'a>(&self, header: &Header, proof: &'a [u8]) -> ConstructedVerifier<'a> {
fn epoch_verifier<'a>(&self, header: &Header, proof: &'a [u8]) -> ConstructedVerifier<'a, EthereumMachine> {
let first = header.number() == 0;
match self.validators.epoch_set(first, self, header.number(), proof) {
match self.validators.epoch_set(first, &self.machine, header.number(), proof) {
Ok((list, finalize)) => {
let verifier = Box::new(EpochVerifier { list: list });
@ -260,7 +202,6 @@ mod tests {
use hash::keccak;
use bigint::hash::H520;
use block::*;
use error::{BlockError, Error};
use tests::helpers::*;
use account_provider::AccountProvider;
use header::Header;
@ -287,27 +228,13 @@ mod tests {
assert!(schedule.stack_limit > 0);
}
#[test]
fn can_do_seal_verification_fail() {
let engine = new_test_authority().engine;
let header: Header = Header::default();
let verify_result = engine.verify_block_basic(&header, None);
match verify_result {
Err(Error::Block(BlockError::InvalidSealArity(_))) => {},
Err(_) => { panic!("should be block seal-arity mismatch error (got {:?})", verify_result); },
_ => { panic!("Should be error, got Ok"); },
}
}
#[test]
fn can_do_signature_verification_fail() {
let engine = new_test_authority().engine;
let mut header: Header = Header::default();
header.set_seal(vec![::rlp::encode(&H520::default()).into_vec()]);
let verify_result = engine.verify_block_family(&header, &Default::default(), None);
let verify_result = engine.verify_block_external(&header);
assert!(verify_result.is_err());
}

14
ethcore/src/engines/epoch.rs
View File

@ -17,8 +17,6 @@
//! Epoch verifiers and transitions.
use bigint::hash::H256;
use error::Error;
use header::Header;
/// A full epoch transition.
#[derive(Debug, Clone, RlpEncodable, RlpDecodable)]
@ -40,15 +38,13 @@ pub struct PendingTransition {
}
/// Verifier for all blocks within an epoch with self-contained state.
///
/// See docs on `Engine` relating to proving functions for more details.
pub trait EpochVerifier: Send + Sync {
pub trait EpochVerifier<M: ::parity_machine::Machine>: Send + Sync {
/// Lightly verify the next block header.
/// This may not be a header belonging to a different epoch.
fn verify_light(&self, header: &Header) -> Result<(), Error>;
fn verify_light(&self, header: &M::Header) -> Result<(), M::Error>;
/// Perform potentially heavier checks on the next block header.
fn verify_heavy(&self, header: &Header) -> Result<(), Error> {
fn verify_heavy(&self, header: &M::Header) -> Result<(), M::Error> {
self.verify_light(header)
}
@ -63,6 +59,6 @@ pub trait EpochVerifier: Send + Sync {
/// Special "no-op" verifier for stateless, epoch-less engines.
pub struct NoOp;
impl EpochVerifier for NoOp {
fn verify_light(&self, _header: &Header) -> Result<(), Error> { Ok(()) }
impl<M: ::parity_machine::Machine> EpochVerifier<M> for NoOp {
fn verify_light(&self, _header: &M::Header) -> Result<(), M::Error> { Ok(()) }
}

47
ethcore/src/engines/instant_seal.rs
View File

@ -14,51 +14,42 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::collections::{BTreeMap, HashMap};
use util::Address;
use builtin::Builtin;
use engines::{Engine, Seal};
use spec::CommonParams;
use block::{ExecutedBlock, IsBlock};
use parity_machine::{Machine, Transactions};
/// An engine which does not provide any consensus mechanism, just seals blocks internally.
pub struct InstantSeal {
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
/// Only seals blocks which have transactions.
pub struct InstantSeal<M> {
machine: M,
}
impl InstantSeal {
/// Returns new instance of InstantSeal with default VM Factory
pub fn new(params: CommonParams, builtins: BTreeMap<Address, Builtin>) -> Self {
impl<M> InstantSeal<M> {
/// Returns new instance of InstantSeal over the given state machine.
pub fn new(machine: M) -> Self {
InstantSeal {
params: params,
builtins: builtins,
machine: machine,
}
}
}
impl Engine for InstantSeal {
impl<M: Machine> Engine<M> for InstantSeal<M>
where M::LiveBlock: Transactions
{
fn name(&self) -> &str {
"InstantSeal"
}
fn params(&self) -> &CommonParams {
&self.params
}
fn additional_params(&self) -> HashMap<String, String> {
hash_map!["registrar".to_owned() => self.params().registrar.hex()]
}
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
&self.builtins
}
fn machine(&self) -> &M { &self.machine }
fn seals_internally(&self) -> Option<bool> { Some(true) }
fn generate_seal(&self, block: &ExecutedBlock) -> Seal {
fn generate_seal(&self, block: &M::LiveBlock) -> Seal {
if block.transactions().is_empty() { Seal::None } else { Seal::Regular(Vec::new()) }
}
fn verify_local_seal(&self, _header: &M::Header) -> Result<(), M::Error> {
Ok(())
}
}
#[cfg(test)]
@ -91,10 +82,10 @@ mod tests {
let engine = Spec::new_instant().engine;
let mut header: Header = Header::default();
assert!(engine.verify_block_basic(&header, None).is_ok());
assert!(engine.verify_block_basic(&header).is_ok());
header.set_seal(vec![::rlp::encode(&H520::default()).into_vec()]);
assert!(engine.verify_block_unordered(&header, None).is_ok());
assert!(engine.verify_block_unordered(&header).is_ok());
}
}

346
ethcore/src/engines/mod.rs
View File

@ -42,18 +42,16 @@ use std::fmt;
use self::epoch::PendingTransition;
use account_provider::AccountProvider;
use block::ExecutedBlock;
use builtin::Builtin;
use client::EngineClient;
use vm::{EnvInfo, LastHashes, Schedule, CreateContractAddress};
use vm::{EnvInfo, Schedule, CreateContractAddress};
use error::Error;
use header::{Header, BlockNumber};
use receipt::Receipt;
use snapshot::SnapshotComponents;
use spec::CommonParams;
use transaction::{UnverifiedTransaction, SignedTransaction};
use ethkey::Signature;
use parity_machine::{Machine, LocalizedMachine as Localized};
use bigint::prelude::U256;
use bigint::hash::H256;
use semantic_version::SemanticVersion;
@ -82,6 +80,8 @@ pub enum EngineError {
InsufficientProof(String),
/// Failed system call.
FailedSystemCall(String),
/// Malformed consensus message.
MalformedMessage(String),
/// Requires client ref, but none registered.
RequiresClient,
}
@ -97,6 +97,7 @@ impl fmt::Display for EngineError {
BadSealFieldSize(ref oob) => format!("Seal field has an unexpected length: {}", oob),
InsufficientProof(ref msg) => format!("Insufficient validation proof: {}", msg),
FailedSystemCall(ref msg) => format!("Failed to make system call: {}", msg),
MalformedMessage(ref msg) => format!("Received malformed consensus message: {}", msg),
RequiresClient => format!("Call requires client but none registered"),
};
@ -115,49 +116,46 @@ pub enum Seal {
None,
}
/// Type alias for a function we can make calls through synchronously.
/// Returns the call result and state proof for each call.
pub type Call<'a> = Fn(Address, Bytes) -> Result<(Bytes, Vec<Vec<u8>>), String> + 'a;
/// Type alias for a function we can get headers by hash through.
pub type Headers<'a> = Fn(H256) -> Option<Header> + 'a;
pub type Headers<'a, H> = Fn(H256) -> Option<H> + 'a;
/// Type alias for a function we can query pending transitions by block hash through.
pub type PendingTransitionStore<'a> = Fn(H256) -> Option<PendingTransition> + 'a;
/// Proof dependent on state.
pub trait StateDependentProof: Send + Sync {
pub trait StateDependentProof<M: Machine>: Send + Sync {
/// Generate a proof, given the state.
fn generate_proof(&self, caller: &Call) -> Result<Vec<u8>, String>;
// TODO: make this into an &M::StateContext
fn generate_proof<'a>(&self, state: &<M as Localized<'a>>::StateContext) -> Result<Vec<u8>, String>;
/// Check a proof generated elsewhere (potentially by a peer).
// `engine` needed to check state proofs, while really this should
// just be state machine params.
fn check_proof(&self, engine: &Engine, proof: &[u8]) -> Result<(), String>;
fn check_proof(&self, machine: &M, proof: &[u8]) -> Result<(), String>;
}
/// Proof generated on epoch change.
pub enum Proof {
pub enum Proof<M: Machine> {
/// Known proof (extracted from signal)
Known(Vec<u8>),
/// State dependent proof.
WithState(Arc<StateDependentProof>),
WithState(Arc<StateDependentProof<M>>),
}
/// Generated epoch verifier.
pub enum ConstructedVerifier<'a> {
pub enum ConstructedVerifier<'a, M: Machine> {
/// Fully trusted verifier.
Trusted(Box<EpochVerifier>),
Trusted(Box<EpochVerifier<M>>),
/// Verifier unconfirmed. Check whether given finality proof finalizes given hash
/// under previous epoch.
Unconfirmed(Box<EpochVerifier>, &'a [u8], H256),
Unconfirmed(Box<EpochVerifier<M>>, &'a [u8], H256),
/// Error constructing verifier.
Err(Error),
}
impl<'a> ConstructedVerifier<'a> {
impl<'a, M: Machine> ConstructedVerifier<'a, M> {
/// Convert to a result, indicating that any necessary confirmation has been done
/// already.
pub fn known_confirmed(self) -> Result<Box<EpochVerifier>, Error> {
pub fn known_confirmed(self) -> Result<Box<EpochVerifier<M>>, Error> {
match self {
ConstructedVerifier::Trusted(v) | ConstructedVerifier::Unconfirmed(v, _, _) => Ok(v),
ConstructedVerifier::Err(e) => Err(e),
@ -166,84 +164,53 @@ impl<'a> ConstructedVerifier<'a> {
}
/// Results of a query of whether an epoch change occurred at the given block.
pub enum EpochChange {
pub enum EpochChange<M: Machine> {
/// Cannot determine until more data is passed.
Unsure(Unsure),
Unsure(M::AuxiliaryRequest),
/// No epoch change.
No,
/// The epoch will change, with proof.
Yes(Proof),
}
/// More data required to determine if an epoch change occurred at a given block.
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum Unsure {
/// Needs the body.
NeedsBody,
/// Needs the receipts.
NeedsReceipts,
/// Needs both body and receipts.
NeedsBoth,
Yes(Proof<M>),
}
/// A consensus mechanism for the chain. Generally either proof-of-work or proof-of-stake-based.
/// Provides hooks into each of the major parts of block import.
pub trait Engine : Sync + Send {
pub trait Engine<M: Machine>: Sync + Send {
/// The name of this engine.
fn name(&self) -> &str;
/// The version of this engine. Should be of the form
fn version(&self) -> SemanticVersion { SemanticVersion::new(0, 0, 0) }
/// Get access to the underlying state machine.
// TODO: decouple.
fn machine(&self) -> &M;
/// The number of additional header fields required for this engine.
fn seal_fields(&self) -> usize { 0 }
/// Additional engine-specific information for the user/developer concerning `header`.
fn extra_info(&self, _header: &Header) -> BTreeMap<String, String> { BTreeMap::new() }
fn extra_info(&self, _header: &M::Header) -> BTreeMap<String, String> { BTreeMap::new() }
/// Additional information.
fn additional_params(&self) -> HashMap<String, String> { HashMap::new() }
/// Get the general parameters of the chain.
fn params(&self) -> &CommonParams;
/// Get the EVM schedule for the given `block_number`.
fn schedule(&self, block_number: BlockNumber) -> Schedule {
self.params().schedule(block_number)
}
/// Builtin-contracts we would like to see in the chain.
/// (In principle these are just hints for the engine since that has the last word on them.)
fn builtins(&self) -> &BTreeMap<Address, Builtin>;
/// Some intrinsic operation parameters; by default they take their value from the `spec()`'s `engine_params`.
fn maximum_extra_data_size(&self) -> usize { self.params().maximum_extra_data_size }
/// Maximum number of uncles a block is allowed to declare.
fn maximum_uncle_count(&self) -> usize { 2 }
/// The number of generations back that uncles can be.
fn maximum_uncle_age(&self) -> usize { 6 }
/// The nonce with which accounts begin at given block.
fn account_start_nonce(&self, block: u64) -> U256 {
if block >= self.params().dust_protection_transition {
U256::from(self.params().nonce_cap_increment) * U256::from(block)
} else {
self.params().account_start_nonce
}
}
/// Block transformation functions, before the transactions.
/// `epoch_begin` set to true if this block kicks off an epoch.
fn on_new_block(
&self,
block: &mut ExecutedBlock,
last_hashes: Arc<LastHashes>,
_block: &mut M::LiveBlock,
_epoch_begin: bool,
) -> Result<(), Error> {
let parent_hash = block.fields().header.parent_hash().clone();
common::push_last_hash(block, last_hashes, self, &parent_hash)
) -> Result<(), M::Error> {
Ok(())
}
/// Block transformation functions, after the transactions.
fn on_close_block(&self, _block: &mut ExecutedBlock) -> Result<(), Error> {
fn on_close_block(&self, _block: &mut M::LiveBlock) -> Result<(), M::Error> {
Ok(())
}
@ -251,68 +218,57 @@ pub trait Engine : Sync + Send {
/// Some(true) means the engine is currently prime for seal generation (i.e. node is the current validator).
/// Some(false) means that the node might seal internally but is not qualified now.
fn seals_internally(&self) -> Option<bool> { None }
/// Attempt to seal the block internally.
///
/// If `Some` is returned, then you get a valid seal.
///
/// This operation is synchronous and may (quite reasonably) not be available, in which None will
/// be returned.
fn generate_seal(&self, _block: &ExecutedBlock) -> Seal { Seal::None }
///
/// It is fine to require access to state or a full client for this function, since
/// light clients do not generate seals.
fn generate_seal(&self, _block: &M::LiveBlock) -> Seal { Seal::None }
/// Phase 1 quick block verification. Only does checks that are cheap. `block` (the header's full block)
/// may be provided for additional checks. Returns either a null `Ok` or a general error detailing the problem with import.
fn verify_block_basic(&self, _header: &Header, _block: Option<&[u8]>) -> Result<(), Error> { Ok(()) }
/// Verify a locally-generated seal of a header.
///
/// If this engine seals internally,
/// no checks have to be done here, since all internally generated seals
/// should be valid.
///
/// Externally-generated seals (e.g. PoW) will need to be checked for validity.
///
/// It is fine to require access to state or a full client for this function, since
/// light clients do not generate seals.
fn verify_local_seal(&self, header: &M::Header) -> Result<(), M::Error>;
/// Phase 2 verification. Perform costly checks such as transaction signatures. `block` (the header's full block)
/// may be provided for additional checks. Returns either a null `Ok` or a general error detailing the problem with import.
fn verify_block_unordered(&self, _header: &Header, _block: Option<&[u8]>) -> Result<(), Error> { Ok(()) }
/// Phase 1 quick block verification. Only does checks that are cheap. Returns either a null `Ok` or a general error detailing the problem with import.
fn verify_block_basic(&self, _header: &M::Header) -> Result<(), M::Error> { Ok(()) }
/// Phase 3 verification. Check block information against parent and uncles. `block` (the header's full block)
/// may be provided for additional checks. Returns either a null `Ok` or a general error detailing the problem with import.
fn verify_block_family(&self, _header: &Header, _parent: &Header, _block: Option<&[u8]>) -> Result<(), Error> { Ok(()) }
/// Phase 2 verification. Perform costly checks such as transaction signatures. Returns either a null `Ok` or a general error detailing the problem with import.
fn verify_block_unordered(&self, _header: &M::Header) -> Result<(), M::Error> { Ok(()) }
/// Phase 3 verification. Check block information against parent. Returns either a null `Ok` or a general error detailing the problem with import.
fn verify_block_family(&self, _header: &M::Header, _parent: &M::Header) -> Result<(), Error> { Ok(()) }
/// Phase 4 verification. Verify block header against potentially external data.
fn verify_block_external(&self, _header: &Header, _block: Option<&[u8]>) -> Result<(), Error> { Ok(()) }
/// Additional verification for transactions in blocks.
// TODO: Add flags for which bits of the transaction to check.
// TODO: consider including State in the params.
fn verify_transaction_basic(&self, t: &UnverifiedTransaction, _header: &Header) -> Result<(), Error> {
t.verify_basic(true, Some(self.params().chain_id), true)?;
Ok(())
}
/// Verify a particular transaction is valid.
fn verify_transaction(&self, t: UnverifiedTransaction, _header: &Header) -> Result<SignedTransaction, Error> {
SignedTransaction::new(t)
}
/// The network ID that transactions should be signed with.
fn signing_chain_id(&self, _env_info: &EnvInfo) -> Option<u64> {
Some(self.params().chain_id)
}
/// Verify the seal of a block. This is an auxilliary method that actually just calls other `verify_` methods
/// to get the job done. By default it must pass `verify_basic` and `verify_block_unordered`. If more or fewer
/// methods are needed for an Engine, this may be overridden.
fn verify_block_seal(&self, header: &Header) -> Result<(), Error> {
self.verify_block_basic(header, None).and_then(|_| self.verify_block_unordered(header, None))
}
/// Should only be called when `register_client` has been called previously.
fn verify_block_external(&self, _header: &M::Header) -> Result<(), Error> { Ok(()) }
/// Genesis epoch data.
fn genesis_epoch_data(&self, _header: &Header, _call: &Call) -> Result<Vec<u8>, String> { Ok(Vec::new()) }
fn genesis_epoch_data<'a>(&self, _header: &M::Header, _state: &<M as Localized<'a>>::StateContext) -> Result<Vec<u8>, String> { Ok(Vec::new()) }
/// Whether an epoch change is signalled at the given header but will require finality.
/// If a change can be enacted immediately then return `No` from this function but
/// `Yes` from `is_epoch_end`.
///
/// If the block or receipts are required, return `Unsure` and the function will be
/// If auxiliary data of the block is required, return an auxiliary request and the function will be
/// called again with them.
/// Return `Yes` or `No` when the answer is definitively known.
///
/// Should not interact with state.
fn signals_epoch_end(&self, _header: &Header, _block: Option<&[u8]>, _receipts: Option<&[Receipt]>)
-> EpochChange
fn signals_epoch_end<'a>(&self, _header: &M::Header, _aux: <M as Localized<'a>>::AuxiliaryData)
-> EpochChange<M>
{
EpochChange::No
}
@ -326,8 +282,8 @@ pub trait Engine : Sync + Send {
/// Return optional transition proof.
fn is_epoch_end(
&self,
_chain_head: &Header,
_chain: &Headers,
_chain_head: &M::Header,
_chain: &Headers<M::Header>,
_transition_store: &PendingTransitionStore,
) -> Option<Vec<u8>> {
None
@ -335,35 +291,21 @@ pub trait Engine : Sync + Send {
/// Create an epoch verifier from validation proof and a flag indicating
/// whether finality is required.
fn epoch_verifier<'a>(&self, _header: &Header, _proof: &'a [u8]) -> ConstructedVerifier<'a> {
fn epoch_verifier<'a>(&self, _header: &M::Header, _proof: &'a [u8]) -> ConstructedVerifier<'a, M> {
ConstructedVerifier::Trusted(Box::new(self::epoch::NoOp))
}
/// Populate a header's fields based on its parent's header.
/// Usually implements the chain scoring rule based on weight.
/// The gas floor target must not be lower than the engine's minimum gas limit.
fn populate_from_parent(&self, header: &mut Header, parent: &Header, _gas_floor_target: U256, _gas_ceil_target: U256) {
header.set_difficulty(parent.difficulty().clone());
header.set_gas_limit(parent.gas_limit().clone());
}
fn populate_from_parent(&self, _header: &mut M::Header, _parent: &M::Header) { }
/// Handle any potential consensus messages;
/// updating consensus state and potentially issuing a new one.
fn handle_message(&self, _message: &[u8]) -> Result<(), Error> { Err(EngineError::UnexpectedMessage.into()) }
/// Attempt to get a handle to a built-in contract.
/// Only returns references to activated built-ins.
// TODO: builtin contract routing - to do this properly, it will require removing the built-in configuration-reading logic
// from Spec into here and removing the Spec::builtins field.
fn builtin(&self, a: &Address, block_number: ::header::BlockNumber) -> Option<&Builtin> {
self.builtins()
.get(a)
.and_then(|b| if b.is_active(block_number) { Some(b) } else { None })
}
fn handle_message(&self, _message: &[u8]) -> Result<(), EngineError> { Err(EngineError::UnexpectedMessage) }
/// Find out if the block is a proposal block and should not be inserted into the DB.
/// Takes a header of a fully verified block.
fn is_proposal(&self, _verified_header: &Header) -> bool { false }
fn is_proposal(&self, _verified_header: &M::Header) -> bool { false }
/// Register an account which signs consensus messages.
fn set_signer(&self, _account_provider: Arc<AccountProvider>, _address: Address, _password: String) {}
@ -371,8 +313,8 @@ pub trait Engine : Sync + Send {
/// Sign using the EngineSigner, to be used for consensus tx signing.
fn sign(&self, _hash: H256) -> Result<Signature, Error> { unimplemented!() }
/// Add Client which can be used for sealing, querying the state and sending messages.
fn register_client(&self, _client: Weak<EngineClient>) {}
/// Add Client which can be used for sealing, potentially querying the state and sending messages.
fn register_client(&self, _client: Weak<M::EngineClient>) {}
/// Trigger next step of the consensus engine.
fn step(&self) {}
@ -390,118 +332,96 @@ pub trait Engine : Sync + Send {
fn supports_warp(&self) -> bool {
self.snapshot_components().is_some()
}
}
/// If this engine supports wasm contracts.
fn supports_wasm(&self) -> bool {
self.params().wasm
/// Common type alias for an engine coupled with an Ethereum-like state machine.
// TODO: make this a _trait_ alias when those exist.
// fortunately the effect is largely the same since engines are mostly used
// via trait objects.
pub trait EthEngine: Engine<::machine::EthereumMachine> {
/// Get the general parameters of the chain.
fn params(&self) -> &CommonParams {
self.machine().params()
}
/// Get the EVM schedule for the given block number.
fn schedule(&self, block_number: BlockNumber) -> Schedule {
self.machine().schedule(block_number)
}
/// Builtin-contracts for the chain..
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
self.machine().builtins()
}
/// Attempt to get a handle to a built-in contract.
/// Only returns references to activated built-ins.
fn builtin(&self, a: &Address, block_number: BlockNumber) -> Option<&Builtin> {
self.machine().builtin(a, block_number)
}
/// Some intrinsic operation parameters; by default they take their value from the `spec()`'s `engine_params`.
fn maximum_extra_data_size(&self) -> usize {
self.machine().maximum_extra_data_size()
}
/// The nonce with which accounts begin at given block.
fn account_start_nonce(&self, block: u64) -> U256 {
self.machine().account_start_nonce(block)
}
/// The network ID that transactions should be signed with.
fn signing_chain_id(&self, env_info: &EnvInfo) -> Option<u64> {
self.machine().signing_chain_id(env_info)
}
/// Returns new contract address generation scheme at given block number.
fn create_address_scheme(&self, number: BlockNumber) -> CreateContractAddress {
if number >= self.params().eip86_transition {
CreateContractAddress::FromCodeHash
} else {
CreateContractAddress::FromSenderAndNonce
}
self.machine().create_address_scheme(number)
}
/// Verify a particular transaction is valid.
fn verify_transaction_unordered(&self, t: UnverifiedTransaction, header: &Header) -> Result<SignedTransaction, Error> {
self.machine().verify_transaction_unordered(t, header)
}
/// Additional verification for transactions in blocks.
// TODO: Add flags for which bits of the transaction to check.
// TODO: consider including State in the params.
fn verify_transaction_basic(&self, t: &UnverifiedTransaction, header: &Header) -> Result<(), Error> {
self.machine().verify_transaction_basic(t, header)
}
/// If this machine supports wasm.
fn supports_wasm(&self) -> bool {
self.machine().supports_wasm()
}
}
// convenience wrappers for existing functions.
impl<T> EthEngine for T where T: Engine<::machine::EthereumMachine> { }
/// Common engine utilities
pub mod common {
use std::sync::Arc;
use block::ExecutedBlock;
use error::Error;
use transaction::SYSTEM_ADDRESS;
use executive::Executive;
use vm::{CallType, ActionParams, ActionValue, EnvInfo, LastHashes};
use trace::{NoopTracer, NoopVMTracer, Tracer, ExecutiveTracer, RewardType};
use state::Substate;
use trace::{Tracer, ExecutiveTracer, RewardType};
use state::CleanupMode;
use bigint::prelude::U256;
use bigint::hash::H256;
use util::*;
use bytes::{Bytes, BytesRef};
use super::Engine;
/// Execute a call as the system address.
pub fn execute_as_system<E: Engine + ?Sized>(
block: &mut ExecutedBlock,
last_hashes: Arc<LastHashes>,
engine: &E,
contract_address: Address,
gas: U256,
data: Option<Bytes>,
) -> Result<Bytes, Error> {
let env_info = {
let header = block.fields().header;
EnvInfo {
number: header.number(),
author: header.author().clone(),
timestamp: header.timestamp(),
difficulty: header.difficulty().clone(),
last_hashes: last_hashes,
gas_used: U256::zero(),
gas_limit: gas,
}
};
let mut state = block.fields_mut().state;
let params = ActionParams {
code_address: contract_address.clone(),
address: contract_address.clone(),
sender: SYSTEM_ADDRESS.clone(),
origin: SYSTEM_ADDRESS.clone(),
gas: gas,
gas_price: 0.into(),
value: ActionValue::Transfer(0.into()),
code: state.code(&contract_address)?,
code_hash: Some(state.code_hash(&contract_address)?),
data: data,
call_type: CallType::Call,
};
let mut ex = Executive::new(&mut state, &env_info, engine);
let mut substate = Substate::new();
let mut output = Vec::new();
if let Err(e) = ex.call(params, &mut substate, BytesRef::Flexible(&mut output), &mut NoopTracer, &mut NoopVMTracer) {
warn!("Encountered error on making system call: {}", e);
}
Ok(output)
}
/// Push last known block hash to the state.
pub fn push_last_hash<E: Engine + ?Sized>(block: &mut ExecutedBlock, last_hashes: Arc<LastHashes>, engine: &E, hash: &H256) -> Result<(), Error> {
if block.fields().header.number() == engine.params().eip210_transition {
let state = block.fields_mut().state;
state.init_code(&engine.params().eip210_contract_address, engine.params().eip210_contract_code.clone())?;
}
if block.fields().header.number() >= engine.params().eip210_transition {
let _ = execute_as_system(
block,
last_hashes,
engine,
engine.params().eip210_contract_address,
engine.params().eip210_contract_gas,
Some(hash.to_vec()),
)?;
}
Ok(())
}
/// Trace rewards on closing block
pub fn bestow_block_reward<E: Engine + ?Sized>(block: &mut ExecutedBlock, engine: &E) -> Result<(), Error> {
/// Give reward and trace.
pub fn bestow_block_reward(block: &mut ExecutedBlock, reward: U256) -> Result<(), Error> {
let fields = block.fields_mut();
// Bestow block reward
let reward = engine.params().block_reward;
let res = fields.state.add_balance(fields.header.author(), &reward, CleanupMode::NoEmpty)
.map_err(::error::Error::from)
.and_then(|_| fields.state.commit());
let block_author = fields.header.author().clone();
fields.traces.as_mut().map(|mut traces| {
fields.traces.as_mut().map(move |mut traces| {
let mut tracer = ExecutiveTracer::default();
tracer.trace_reward(block_author, engine.params().block_reward, RewardType::Block);
tracer.trace_reward(block_author, reward, RewardType::Block);
traces.push(tracer.drain())
});

127
ethcore/src/engines/null_engine.rs
View File

@ -14,103 +14,92 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::collections::BTreeMap;
use util::Address;
use builtin::Builtin;
use block::{ExecutedBlock, IsBlock};
use bigint::prelude::U256;
use engines::Engine;
use spec::CommonParams;
use evm::Schedule;
use header::BlockNumber;
use error::Error;
use state::CleanupMode;
use trace::{Tracer, ExecutiveTracer, RewardType};
use parity_machine::{Header, LiveBlock, WithBalances};
/// An engine which does not provide any consensus mechanism and does not seal blocks.
pub struct NullEngine {
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
/// Params for a null engine.
#[derive(Clone, Default)]
pub struct NullEngineParams {
/// base reward for a block.
pub block_reward: U256,
}
impl NullEngine {
impl From<::ethjson::spec::NullEngineParams> for NullEngineParams {
fn from(p: ::ethjson::spec::NullEngineParams) -> Self {
NullEngineParams {
block_reward: p.block_reward.map_or_else(Default::default, Into::into),
}
}
}
/// An engine which does not provide any consensus mechanism and does not seal blocks.
pub struct NullEngine<M> {
params: NullEngineParams,
machine: M,
}
impl<M> NullEngine<M> {
/// Returns new instance of NullEngine with default VM Factory
pub fn new(params: CommonParams, builtins: BTreeMap<Address, Builtin>) -> Self {
pub fn new(params: NullEngineParams, machine: M) -> Self {
NullEngine {
params: params,
builtins: builtins,
machine: machine,
}
}
}
impl Default for NullEngine {
impl<M: Default> Default for NullEngine<M> {
fn default() -> Self {
Self::new(Default::default(), Default::default())
}
}
impl Engine for NullEngine {
impl<M: WithBalances> Engine<M> for NullEngine<M> {
fn name(&self) -> &str {
"NullEngine"
}
fn params(&self) -> &CommonParams {
&self.params
fn machine(&self) -> &M { &self.machine }
fn on_close_block(&self, block: &mut M::LiveBlock) -> Result<(), M::Error> {
use std::ops::Shr;
let author = *LiveBlock::header(&*block).author();
let number = LiveBlock::header(&*block).number();
let reward = self.params.block_reward;
if reward == U256::zero() { return Ok(()) }
let n_uncles = LiveBlock::uncles(&*block).len();
// Bestow block reward
let result_block_reward = reward + reward.shr(5) * U256::from(n_uncles);
let mut uncle_rewards = Vec::with_capacity(n_uncles);
self.machine.add_balance(block, &author, &result_block_reward)?;
// bestow uncle rewards.
for u in LiveBlock::uncles(&*block) {
let uncle_author = u.author();
let result_uncle_reward = (reward * U256::from(8 + u.number() - number)).shr(3);
uncle_rewards.push((*uncle_author, result_uncle_reward));
}
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
&self.builtins
for &(ref a, ref reward) in &uncle_rewards {
self.machine.add_balance(block, a, reward)?;
}
fn schedule(&self, _block_number: BlockNumber) -> Schedule {
Schedule::new_homestead()
// note and trace.
self.machine.note_rewards(block, &[(author, result_block_reward)], &uncle_rewards)
}
fn verify_local_seal(&self, _header: &M::Header) -> Result<(), M::Error> {
Ok(())
}
fn snapshot_components(&self) -> Option<Box<::snapshot::SnapshotComponents>> {
Some(Box::new(::snapshot::PowSnapshot::new(10000, 10000)))
}
fn on_close_block(&self, block: &mut ExecutedBlock) -> Result<(), Error> {
if self.params.block_reward == U256::zero() {
// we don't have to apply reward in this case
return Ok(())
}
/// Block reward
let tracing_enabled = block.tracing_enabled();
let fields = block.fields_mut();
let mut tracer = ExecutiveTracer::default();
let result_block_reward = U256::from(1000000000);
fields.state.add_balance(
fields.header.author(),
&result_block_reward,
CleanupMode::NoEmpty
)?;
if tracing_enabled {
let block_author = fields.header.author().clone();
tracer.trace_reward(block_author, result_block_reward, RewardType::Block);
}
/// Uncle rewards
let result_uncle_reward = U256::from(10000000);
for u in fields.uncles.iter() {
let uncle_author = u.author().clone();
fields.state.add_balance(
u.author(),
&(result_uncle_reward),
CleanupMode::NoEmpty
)?;
if tracing_enabled {
tracer.trace_reward(uncle_author, result_uncle_reward, RewardType::Uncle);
}
}
fields.state.commit()?;
if tracing_enabled {
fields.traces.as_mut().map(|mut traces| traces.push(tracer.drain()));
}
Ok(())
}
}

156
ethcore/src/engines/tendermint/mod.rs
View File

@ -27,9 +27,8 @@ mod params;
use std::sync::{Weak, Arc};
use std::sync::atomic::{AtomicUsize, Ordering as AtomicOrdering};
use std::collections::{HashSet, BTreeMap, HashMap};
use std::collections::{HashSet, BTreeMap};
use hash::keccak;
use std::cmp;
use bigint::prelude::{U128, U256};
use bigint::hash::{H256, H520};
use parking_lot::RwLock;
@ -39,12 +38,10 @@ use client::EngineClient;
use bytes::Bytes;
use error::{Error, BlockError};
use header::{Header, BlockNumber};
use builtin::Builtin;
use rlp::UntrustedRlp;
use ethkey::{Message, public_to_address, recover, Signature};
use account_provider::AccountProvider;
use block::*;
use spec::CommonParams;
use engines::{Engine, Seal, EngineError, ConstructedVerifier};
use io::IoService;
use super::signer::EngineSigner;
@ -54,6 +51,7 @@ use super::vote_collector::VoteCollector;
use self::message::*;
use self::params::TendermintParams;
use semantic_version::SemanticVersion;
use machine::{AuxiliaryData, EthereumMachine};
#[derive(Debug, PartialEq, Eq, Clone, Copy, Hash)]
pub enum Step {
@ -78,8 +76,6 @@ pub type BlockHash = H256;
/// Engine using `Tendermint` consensus algorithm, suitable for EVM chain.
pub struct Tendermint {
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
step_service: IoService<Step>,
client: RwLock<Option<Weak<EngineClient>>>,
/// Blockchain height.
@ -104,6 +100,10 @@ pub struct Tendermint {
last_proposed: RwLock<H256>,
/// Set used to determine the current validators.
validators: Box<ValidatorSet>,
/// Reward per block, in base units.
block_reward: U256,
/// ethereum machine descriptor
machine: EthereumMachine,
}
struct EpochVerifier<F>
@ -113,7 +113,7 @@ struct EpochVerifier<F>
recover: F
}
impl <F> super::EpochVerifier for EpochVerifier<F>
impl <F> super::EpochVerifier<EthereumMachine> for EpochVerifier<F>
where F: Fn(&Signature, &Message) -> Result<Address, Error> + Send + Sync
{
fn verify_light(&self, header: &Header) -> Result<(), Error> {
@ -167,11 +167,9 @@ fn destructure_proofs(combined: &[u8]) -> Result<(BlockNumber, &[u8], &[u8]), Er
impl Tendermint {
/// Create a new instance of Tendermint engine
pub fn new(params: CommonParams, our_params: TendermintParams, builtins: BTreeMap<Address, Builtin>) -> Result<Arc<Self>, Error> {
pub fn new(our_params: TendermintParams, machine: EthereumMachine) -> Result<Arc<Self>, Error> {
let engine = Arc::new(
Tendermint {
params: params,
builtins: builtins,
client: RwLock::new(None),
step_service: IoService::<Step>::start()?,
height: AtomicUsize::new(1),
@ -185,9 +183,13 @@ impl Tendermint {
proposal_parent: Default::default(),
last_proposed: Default::default(),
validators: our_params.validators,
block_reward: our_params.block_reward,
machine: machine,
});
let handler = TransitionHandler::new(Arc::downgrade(&engine) as Weak<Engine>, Box::new(our_params.timeouts));
let handler = TransitionHandler::new(Arc::downgrade(&engine) as Weak<Engine<_>>, Box::new(our_params.timeouts));
engine.step_service.register_handler(Arc::new(handler))?;
Ok(engine)
}
@ -438,7 +440,7 @@ impl Tendermint {
}
}
impl Engine for Tendermint {
impl Engine<EthereumMachine> for Tendermint {
fn name(&self) -> &str { "Tendermint" }
fn version(&self) -> SemanticVersion { SemanticVersion::new(1, 0, 0) }
@ -446,13 +448,7 @@ impl Engine for Tendermint {
/// (consensus view, proposal signature, authority signatures)
fn seal_fields(&self) -> usize { 3 }
fn params(&self) -> &CommonParams { &self.params }
fn additional_params(&self) -> HashMap<String, String> {
hash_map!["registrar".to_owned() => self.params().registrar.hex()]
}
fn builtins(&self) -> &BTreeMap<Address, Builtin> { &self.builtins }
fn machine(&self) -> &EthereumMachine { &self.machine }
fn maximum_uncle_count(&self) -> usize { 0 }
@ -469,19 +465,13 @@ impl Engine for Tendermint {
]
}
fn populate_from_parent(&self, header: &mut Header, parent: &Header, gas_floor_target: U256, _gas_ceil_target: U256) {
fn populate_from_parent(&self, header: &mut Header, parent: &Header) {
// Chain scoring: total weight is sqrt(U256::max_value())*height - view
let new_difficulty = U256::from(U128::max_value()) + consensus_view(parent).expect("Header has been verified; qed").into() - self.view.load(AtomicOrdering::SeqCst).into();
let new_difficulty = U256::from(U128::max_value())
+ consensus_view(parent).expect("Header has been verified; qed").into()
- self.view.load(AtomicOrdering::SeqCst).into();
header.set_difficulty(new_difficulty);
header.set_gas_limit({
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.params().gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
cmp::min(gas_floor_target, gas_limit + gas_limit / bound_divisor - 1.into())
} else {
cmp::max(gas_floor_target, gas_limit - gas_limit / bound_divisor + 1.into())
}
});
}
/// Should this node participate.
@ -525,19 +515,27 @@ impl Engine for Tendermint {
}
}
fn handle_message(&self, rlp: &[u8]) -> Result<(), Error> {
fn handle_message(&self, rlp: &[u8]) -> Result<(), EngineError> {
fn fmt_err<T: ::std::fmt::Debug>(x: T) -> EngineError {
EngineError::MalformedMessage(format!("{:?}", x))
}
let rlp = UntrustedRlp::new(rlp);
let message: ConsensusMessage = rlp.as_val()?;
let message: ConsensusMessage = rlp.as_val().map_err(fmt_err)?;
if !self.votes.is_old_or_known(&message) {
let sender = public_to_address(&recover(&message.signature.into(), &keccak(rlp.at(1)?.as_raw()))?);
let msg_hash = keccak(rlp.at(1).map_err(fmt_err)?.as_raw());
let sender = public_to_address(
&recover(&message.signature.into(), &msg_hash).map_err(fmt_err)?
);
if !self.is_authority(&sender) {
return Err(EngineError::NotAuthorized(sender).into());
return Err(EngineError::NotAuthorized(sender));
}
self.broadcast_message(rlp.as_raw().to_vec());
if let Some(double) = self.votes.vote(message.clone(), &sender) {
let height = message.vote_step.height as BlockNumber;
self.validators.report_malicious(&sender, height, height, ::rlp::encode(&double).into_vec());
return Err(EngineError::DoubleVote(sender).into());
return Err(EngineError::DoubleVote(sender));
}
trace!(target: "engine", "Handling a valid {:?} from {}.", message, sender);
self.handle_valid_message(&message);
@ -545,12 +543,37 @@ impl Engine for Tendermint {
Ok(())
}
/// Apply the block reward on finalisation of the block.
fn on_close_block(&self, block: &mut ExecutedBlock) -> Result<(), Error>{
::engines::common::bestow_block_reward(block, self)
fn on_new_block(&self, block: &mut ExecutedBlock, epoch_begin: bool) -> Result<(), Error> {
if !epoch_begin { return Ok(()) }
// genesis is never a new block, but might as well check.
let header = block.fields().header.clone();
let first = header.number() == 0;
let mut call = |to, data| {
let result = self.machine.execute_as_system(
block,
to,
U256::max_value(), // unbounded gas? maybe make configurable.
Some(data),
);
result.map_err(|e| format!("{}", e))
};
self.validators.on_epoch_begin(first, &header, &mut call)
}
fn verify_block_basic(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
/// Apply the block reward on finalisation of the block.
fn on_close_block(&self, block: &mut ExecutedBlock) -> Result<(), Error>{
::engines::common::bestow_block_reward(block, self.block_reward)
}
fn verify_local_seal(&self, _header: &Header) -> Result<(), Error> {
Ok(())
}
fn verify_block_basic(&self, header: &Header) -> Result<(), Error> {
let seal_length = header.seal().len();
if seal_length == self.seal_fields() {
// Either proposal or commit.
@ -568,28 +591,7 @@ impl Engine for Tendermint {
}
}
fn verify_block_unordered(&self, _header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
Ok(())
}
/// Verify gas limit.
fn verify_block_family(&self, header: &Header, parent: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
if header.number() == 0 {
return Err(BlockError::RidiculousNumber(OutOfBounds { min: Some(1), max: None, found: header.number() }).into());
}
let gas_limit_divisor = self.params().gas_limit_bound_divisor;
let min_gas = parent.gas_limit().clone() - parent.gas_limit().clone() / gas_limit_divisor;
let max_gas = parent.gas_limit().clone() + parent.gas_limit().clone() / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
self.validators.report_malicious(header.author(), header.number(), header.number(), Default::default());
return Err(BlockError::InvalidGasLimit(OutOfBounds { min: Some(min_gas), max: Some(max_gas), found: header.gas_limit().clone() }).into());
}
Ok(())
}
fn verify_block_external(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
fn verify_block_external(&self, header: &Header) -> Result<(), Error> {
if let Ok(proposal) = ConsensusMessage::new_proposal(header) {
let proposer = proposal.verify()?;
if !self.is_authority(&proposer) {
@ -630,17 +632,17 @@ impl Engine for Tendermint {
}
}
fn signals_epoch_end(&self, header: &Header, block: Option<&[u8]>, receipts: Option<&[::receipt::Receipt]>)
-> super::EpochChange
fn signals_epoch_end(&self, header: &Header, aux: AuxiliaryData)
-> super::EpochChange<EthereumMachine>
{
let first = header.number() == 0;
self.validators.signals_epoch_end(first, header, block, receipts)
self.validators.signals_epoch_end(first, header, aux)
}
fn is_epoch_end(
&self,
chain_head: &Header,
_chain: &super::Headers,
_chain: &super::Headers<Header>,
transition_store: &super::PendingTransitionStore,
) -> Option<Vec<u8>> {
let first = chain_head.number() == 0;
@ -657,14 +659,14 @@ impl Engine for Tendermint {
None
}
fn epoch_verifier<'a>(&self, _header: &Header, proof: &'a [u8]) -> ConstructedVerifier<'a> {
fn epoch_verifier<'a>(&self, _header: &Header, proof: &'a [u8]) -> ConstructedVerifier<'a, EthereumMachine> {
let (signal_number, set_proof, finality_proof) = match destructure_proofs(proof) {
Ok(x) => x,
Err(e) => return ConstructedVerifier::Err(e),
};
let first = signal_number == 0;
match self.validators.epoch_set(first, self, signal_number, set_proof) {
match self.validators.epoch_set(first, &self.machine, signal_number, set_proof) {
Ok((list, finalize)) => {
let verifier = Box::new(EpochVerifier {
subchain_validators: list,
@ -785,7 +787,7 @@ mod tests {
use tests::helpers::*;
use account_provider::AccountProvider;
use spec::Spec;
use engines::{Engine, EngineError, Seal};
use engines::{EthEngine, EngineError, Seal};
use engines::epoch::EpochVerifier;
use super::*;
@ -810,7 +812,7 @@ mod tests {
}
}
fn vote<F>(engine: &Engine, signer: F, height: usize, view: usize, step: Step, block_hash: Option<H256>) -> Bytes where F: FnOnce(H256) -> Result<H520, ::account_provider::SignError> {
fn vote<F>(engine: &EthEngine, signer: F, height: usize, view: usize, step: Step, block_hash: Option<H256>) -> Bytes where F: FnOnce(H256) -> Result<H520, ::account_provider::SignError> {
let mi = message_info_rlp(&VoteStep::new(height, view, step), block_hash);
let m = message_full_rlp(&signer(keccak(&mi)).unwrap().into(), &mi);
engine.handle_message(&m).unwrap();
@ -834,7 +836,7 @@ mod tests {
addr
}
fn insert_and_register(tap: &Arc<AccountProvider>, engine: &Engine, acc: &str) -> Address {
fn insert_and_register(tap: &Arc<AccountProvider>, engine: &EthEngine, acc: &str) -> Address {
let addr = insert_and_unlock(tap, acc);
engine.set_signer(tap.clone(), addr.clone(), acc.into());
addr
@ -871,7 +873,7 @@ mod tests {
let engine = Spec::new_test_tendermint().engine;
let header = Header::default();
let verify_result = engine.verify_block_basic(&header, None);
let verify_result = engine.verify_block_basic(&header);
match verify_result {
Err(Error::Block(BlockError::InvalidSealArity(_))) => {},
@ -896,14 +898,14 @@ mod tests {
let seal = proposal_seal(&tap, &header, 0);
header.set_seal(seal);
// Good proposer.
assert!(engine.verify_block_external(&header, None).is_ok());
assert!(engine.verify_block_external(&header).is_ok());
let validator = insert_and_unlock(&tap, "0");
header.set_author(validator);
let seal = proposal_seal(&tap, &header, 0);
header.set_seal(seal);
// Bad proposer.
match engine.verify_block_external(&header, None) {
match engine.verify_block_external(&header) {
Err(Error::Engine(EngineError::NotProposer(_))) => {},
_ => panic!(),
}
@ -913,7 +915,7 @@ mod tests {
let seal = proposal_seal(&tap, &header, 0);
header.set_seal(seal);
// Not authority.
match engine.verify_block_external(&header, None) {
match engine.verify_block_external(&header) {
Err(Error::Engine(EngineError::NotAuthorized(_))) => {},
_ => panic!(),
};
@ -943,7 +945,7 @@ mod tests {
header.set_seal(seal.clone());
// One good signature is not enough.
match engine.verify_block_external(&header, None) {
match engine.verify_block_external(&header) {
Err(Error::Engine(EngineError::BadSealFieldSize(_))) => {},
_ => panic!(),
}
@ -954,7 +956,7 @@ mod tests {
seal[2] = ::rlp::encode_list(&vec![H520::from(signature1.clone()), H520::from(signature0.clone())]).into_vec();
header.set_seal(seal.clone());
assert!(engine.verify_block_external(&header, None).is_ok());
assert!(engine.verify_block_external(&header).is_ok());
let bad_voter = insert_and_unlock(&tap, "101");
let bad_signature = tap.sign(bad_voter, None, keccak(vote_info)).unwrap();
@ -963,7 +965,7 @@ mod tests {
header.set_seal(seal);
// One good and one bad signature.
match engine.verify_block_external(&header, None) {
match engine.verify_block_external(&header) {
Err(Error::Engine(EngineError::NotAuthorized(_))) => {},
_ => panic!(),
};

4
ethcore/src/engines/tendermint/params.rs
View File

@ -18,6 +18,7 @@
use ethjson;
use time::Duration;
use bigint::prelude::U256;
use super::super::validator_set::{ValidatorSet, new_validator_set};
use super::super::transition::Timeouts;
use super::Step;
@ -28,6 +29,8 @@ pub struct TendermintParams {
pub validators: Box<ValidatorSet>,
/// Timeout durations for different steps.
pub timeouts: TendermintTimeouts,
/// Reward per block in base units.
pub block_reward: U256,
}
/// Base timeout of each step in ms.
@ -81,6 +84,7 @@ impl From<ethjson::spec::TendermintParams> for TendermintParams {
precommit: p.timeout_precommit.map_or(dt.precommit, to_duration),
commit: p.timeout_commit.map_or(dt.commit, to_duration),
},
block_reward: p.block_reward.map_or(U256::default(), Into::into),
}
}
}

13
ethcore/src/engines/transition.rs
View File

@ -20,6 +20,7 @@ use std::sync::Weak;
use time::Duration;
use io::{IoContext, IoHandler, TimerToken};
use engines::Engine;
use parity_machine::Machine;
/// Timeouts lookup
pub trait Timeouts<S: Sync + Send + Clone>: Send + Sync {
@ -31,14 +32,14 @@ pub trait Timeouts<S: Sync + Send + Clone>: Send + Sync {
}
/// Timeout transition handling.
pub struct TransitionHandler<S: Sync + Send + Clone> {
engine: Weak<Engine>,
pub struct TransitionHandler<S: Sync + Send + Clone, M: Machine> {
engine: Weak<Engine<M>>,
timeouts: Box<Timeouts<S>>,
}
impl<S> TransitionHandler<S> where S: Sync + Send + Clone {
impl<S, M: Machine> TransitionHandler<S, M> where S: Sync + Send + Clone {
/// New step caller by timeouts.
pub fn new(engine: Weak<Engine>, timeouts: Box<Timeouts<S>>) -> Self {
pub fn new(engine: Weak<Engine<M>>, timeouts: Box<Timeouts<S>>) -> Self {
TransitionHandler {
engine: engine,
timeouts: timeouts,
@ -54,7 +55,9 @@ fn set_timeout<S: Sync + Send + Clone>(io: &IoContext<S>, timeout: Duration) {
.unwrap_or_else(|e| warn!(target: "engine", "Failed to set consensus step timeout: {}.", e))
}
impl<S> IoHandler<S> for TransitionHandler<S> where S: Sync + Send + Clone + 'static {
impl<S, M> IoHandler<S> for TransitionHandler<S, M>
where S: Sync + Send + Clone + 'static, M: Machine
{
fn initialize(&self, io: &IoContext<S>) {
let initial = self.timeouts.initial();
trace!(target: "engine", "Setting the initial timeout to {}.", initial);

17
ethcore/src/engines/validator_set/contract.rs
View File

@ -27,8 +27,8 @@ use futures::Future;
use native_contracts::ValidatorReport as Provider;
use client::EngineClient;
use engines::{Call, Engine};
use header::{Header, BlockNumber};
use machine::{AuxiliaryData, Call, EthereumMachine};
use super::{ValidatorSet, SimpleList, SystemCall};
use super::safe_contract::ValidatorSafeContract;
@ -91,14 +91,13 @@ impl ValidatorSet for ValidatorContract {
&self,
first: bool,
header: &Header,
block: Option<&[u8]>,
receipts: Option<&[::receipt::Receipt]>,
) -> ::engines::EpochChange {
self.validators.signals_epoch_end(first, header, block, receipts)
aux: AuxiliaryData,
) -> ::engines::EpochChange<EthereumMachine> {
self.validators.signals_epoch_end(first, header, aux)
}
fn epoch_set(&self, first: bool, engine: &Engine, number: BlockNumber, proof: &[u8]) -> Result<(SimpleList, Option<H256>), ::error::Error> {
self.validators.epoch_set(first, engine, number, proof)
fn epoch_set(&self, first: bool, machine: &EthereumMachine, number: BlockNumber, proof: &[u8]) -> Result<(SimpleList, Option<H256>), ::error::Error> {
self.validators.epoch_set(first, machine, number, proof)
}
fn contains_with_caller(&self, bh: &H256, address: &Address, caller: &Call) -> bool {
@ -182,7 +181,7 @@ mod tests {
header.set_parent_hash(client.chain_info().best_block_hash);
// `reportBenign` when the designated proposer releases block from the future (bad clock).
assert!(client.engine().verify_block_external(&header, None).is_err());
assert!(client.engine().verify_block_external(&header).is_err());
// Seal a block.
client.engine().step();
assert_eq!(client.chain_info().best_block_number, 1);
@ -190,7 +189,7 @@ mod tests {
assert_eq!(client.call_contract(BlockId::Latest, validator_contract, "d8f2e0bf".from_hex().unwrap()).unwrap().to_hex(), "0000000000000000000000007d577a597b2742b498cb5cf0c26cdcd726d39e6e");
// Simulate a misbehaving validator by handling a double proposal.
let header = client.best_block_header().decode();
assert!(client.engine().verify_block_family(&header, &header, None).is_err());
assert!(client.engine().verify_block_family(&header, &header).is_err());
// Seal a block.
client.engine().step();
client.engine().step();

10
ethcore/src/engines/validator_set/mod.rs
View File

@ -31,6 +31,7 @@ use bytes::Bytes;
use ethjson::spec::ValidatorSet as ValidatorSpec;
use client::EngineClient;
use header::{Header, BlockNumber};
use machine::{AuxiliaryData, Call, EthereumMachine};
#[cfg(test)]
pub use self::test::TestSet;
@ -39,8 +40,6 @@ use self::contract::ValidatorContract;
use self::safe_contract::ValidatorSafeContract;
use self::multi::Multi;
use super::{Call, Engine};
/// A system-calling closure. Enacts calls on a block's state from the system address.
pub type SystemCall<'a> = FnMut(Address, Bytes) -> Result<Bytes, String> + 'a;
@ -113,9 +112,8 @@ pub trait ValidatorSet: Send + Sync {
&self,
first: bool,
header: &Header,
block: Option<&[u8]>,
receipts: Option<&[::receipt::Receipt]>,
) -> ::engines::EpochChange;
aux: AuxiliaryData,
) -> ::engines::EpochChange<EthereumMachine>;
/// Recover the validator set from the given proof, the block number, and
/// whether this header is first in its set.
@ -125,7 +123,7 @@ pub trait ValidatorSet: Send + Sync {
///
/// Returns the set, along with a flag indicating whether finality of a specific
/// hash should be proven.
fn epoch_set(&self, first: bool, engine: &Engine, number: BlockNumber, proof: &[u8])
fn epoch_set(&self, first: bool, machine: &EthereumMachine, number: BlockNumber, proof: &[u8])
-> Result<(SimpleList, Option<H256>), ::error::Error>;
/// Checks if a given address is a validator, with the given function

16
ethcore/src/engines/validator_set/multi.rs
View File

@ -18,7 +18,6 @@
use std::collections::BTreeMap;
use std::sync::Weak;
use engines::{Call, Engine};
use bigint::hash::H256;
use parking_lot::RwLock;
use util::Address;
@ -26,6 +25,7 @@ use bytes::Bytes;
use ids::BlockId;
use header::{BlockNumber, Header};
use client::EngineClient;
use machine::{AuxiliaryData, Call, EthereumMachine};
use super::{SystemCall, ValidatorSet};
type BlockNumberLookup = Box<Fn(BlockId) -> Result<BlockNumber, String> + Send + Sync + 'static>;
@ -93,20 +93,20 @@ impl ValidatorSet for Multi {
set.is_epoch_end(first, chain_head)
}
fn signals_epoch_end(&self, _first: bool, header: &Header, block: Option<&[u8]>, receipts: Option<&[::receipt::Receipt]>)
-> ::engines::EpochChange
fn signals_epoch_end(&self, _first: bool, header: &Header, aux: AuxiliaryData)
-> ::engines::EpochChange<EthereumMachine>
{
let (set_block, set) = self.correct_set_by_number(header.number());
let first = set_block == header.number();
set.signals_epoch_end(first, header, block, receipts)
set.signals_epoch_end(first, header, aux)
}
fn epoch_set(&self, _first: bool, engine: &Engine, number: BlockNumber, proof: &[u8]) -> Result<(super::SimpleList, Option<H256>), ::error::Error> {
fn epoch_set(&self, _first: bool, machine: &EthereumMachine, number: BlockNumber, proof: &[u8]) -> Result<(super::SimpleList, Option<H256>), ::error::Error> {
let (set_block, set) = self.correct_set_by_number(number);
let first = set_block == number;
set.epoch_set(first, engine, number, proof)
set.epoch_set(first, machine, number, proof)
}
fn contains_with_caller(&self, bh: &H256, address: &Address, caller: &Call) -> bool {
@ -227,7 +227,7 @@ mod tests {
let mut header = Header::new();
header.set_number(499);
match multi.signals_epoch_end(false, &header, None, None) {
match multi.signals_epoch_end(false, &header, Default::default()) {
EpochChange::No => {},
_ => panic!("Expected no epoch signal change."),
}
@ -235,7 +235,7 @@ mod tests {
header.set_number(500);
match multi.signals_epoch_end(false, &header, None, None) {
match multi.signals_epoch_end(false, &header, Default::default()) {
EpochChange::No => {},
_ => panic!("Expected no epoch signal change."),
}

39
ethcore/src/engines/validator_set/safe_contract.rs
View File

@ -33,7 +33,7 @@ use rlp::{UntrustedRlp, RlpStream};
use basic_types::LogBloom;
use client::EngineClient;
use engines::{Call, Engine};
use machine::{AuxiliaryData, Call, EthereumMachine, AuxiliaryRequest};
use header::Header;
use ids::BlockId;
use log_entry::LogEntry;
@ -58,19 +58,19 @@ struct StateProof {
provider: Provider,
}
impl ::engines::StateDependentProof for StateProof {
impl ::engines::StateDependentProof<EthereumMachine> for StateProof {
fn generate_proof(&self, caller: &Call) -> Result<Vec<u8>, String> {
prove_initial(&self.provider, &*self.header.lock(), caller)
}
fn check_proof(&self, engine: &Engine, proof: &[u8]) -> Result<(), String> {
fn check_proof(&self, machine: &EthereumMachine, proof: &[u8]) -> Result<(), String> {
let (header, state_items) = decode_first_proof(&UntrustedRlp::new(proof))
.map_err(|e| format!("proof incorrectly encoded: {}", e))?;
if &header != &*self.header.lock(){
return Err("wrong header in proof".into());
}
check_first_proof(engine, &self.provider, header, &state_items).map(|_| ())
check_first_proof(machine, &self.provider, header, &state_items).map(|_| ())
}
}
@ -94,7 +94,7 @@ fn encode_first_proof(header: &Header, state_items: &[Vec<u8>]) -> Bytes {
}
// check a first proof: fetch the validator set at the given block.
fn check_first_proof(engine: &Engine, provider: &Provider, old_header: Header, state_items: &[DBValue])
fn check_first_proof(machine: &EthereumMachine, provider: &Provider, old_header: Header, state_items: &[DBValue])
-> Result<Vec<Address>, String>
{
use transaction::{Action, Transaction};
@ -117,12 +117,12 @@ fn check_first_proof(engine: &Engine, provider: &Provider, old_header: Header, s
gas_used: 0.into(),
};
// check state proof using given engine.
// check state proof using given machine.
let number = old_header.number();
provider.get_validators(move |a, d| {
let from = Address::default();
let tx = Transaction {
nonce: engine.account_start_nonce(number),
nonce: machine.account_start_nonce(number),
action: Action::Call(a),
gas: PROVIDED_GAS.into(),
gas_price: U256::default(),
@ -134,7 +134,7 @@ fn check_first_proof(engine: &Engine, provider: &Provider, old_header: Header, s
state_items,
*old_header.state_root(),
&tx,
engine,
machine,
&env_info,
);
@ -336,9 +336,11 @@ impl ValidatorSet for ValidatorSafeContract {
None // no immediate transitions to contract.
}
fn signals_epoch_end(&self, first: bool, header: &Header, _block: Option<&[u8]>, receipts: Option<&[Receipt]>)
-> ::engines::EpochChange
fn signals_epoch_end(&self, first: bool, header: &Header, aux: AuxiliaryData)
-> ::engines::EpochChange<EthereumMachine>
{
let receipts = aux.receipts;
// transition to the first block of a contract requires finality but has no log event.
if first {
debug!(target: "engine", "signalling transition to fresh contract.");
@ -358,7 +360,7 @@ impl ValidatorSet for ValidatorSafeContract {
trace!(target: "engine", "detected epoch change event bloom");
match receipts {
None => ::engines::EpochChange::Unsure(::engines::Unsure::NeedsReceipts),
None => ::engines::EpochChange::Unsure(AuxiliaryRequest::Receipts),
Some(receipts) => match self.extract_from_event(bloom, header, receipts) {
None => ::engines::EpochChange::No,
Some(list) => {
@ -372,7 +374,7 @@ impl ValidatorSet for ValidatorSafeContract {
}
}
fn epoch_set(&self, first: bool, engine: &Engine, _number: ::header::BlockNumber, proof: &[u8])
fn epoch_set(&self, first: bool, machine: &EthereumMachine, _number: ::header::BlockNumber, proof: &[u8])
-> Result<(SimpleList, Option<H256>), ::error::Error>
{
let rlp = UntrustedRlp::new(proof);
@ -383,7 +385,7 @@ impl ValidatorSet for ValidatorSafeContract {
let (old_header, state_items) = decode_first_proof(&rlp)?;
let number = old_header.number();
let old_hash = old_header.hash();
let addresses = check_first_proof(engine, &self.provider, old_header, &state_items)
let addresses = check_first_proof(machine, &self.provider, old_header, &state_items)
.map_err(::engines::EngineError::InsufficientProof)?;
trace!(target: "engine", "extracted epoch set at #{}: {} addresses",
@ -561,7 +563,8 @@ mod tests {
#[test]
fn detects_bloom() {
use header::Header;
use engines::{EpochChange, Unsure};
use engines::EpochChange;
use machine::AuxiliaryRequest;
use log_entry::LogEntry;
let client = generate_dummy_client_with_spec_and_accounts(Spec::new_validator_safe_contract, None);
@ -581,7 +584,7 @@ mod tests {
};
new_header.set_log_bloom(event.bloom());
match engine.signals_epoch_end(&new_header, None, None) {
match engine.signals_epoch_end(&new_header, Default::default()) {
EpochChange::No => {},
_ => panic!("Expected bloom to be unrecognized."),
};
@ -590,8 +593,8 @@ mod tests {
event.topics.push(last_hash);
new_header.set_log_bloom(event.bloom());
match engine.signals_epoch_end(&new_header, None, None) {
EpochChange::Unsure(Unsure::NeedsReceipts) => {},
match engine.signals_epoch_end(&new_header, Default::default()) {
EpochChange::Unsure(AuxiliaryRequest::Receipts) => {},
_ => panic!("Expected bloom to be recognized."),
};
}
@ -607,7 +610,7 @@ mod tests {
let mut new_header = Header::default();
new_header.set_number(0); // so the validator set doesn't look for a log
match engine.signals_epoch_end(&new_header, None, None) {
match engine.signals_epoch_end(&new_header, Default::default()) {
EpochChange::Yes(Proof::WithState(_)) => {},
_ => panic!("Expected state to be required to prove initial signal"),
};

8
ethcore/src/engines/validator_set/simple_list.rs
View File

@ -20,7 +20,7 @@ use heapsize::HeapSizeOf;
use bigint::hash::H256;
use util::Address;
use engines::{Call, Engine};
use machine::{AuxiliaryData, Call, EthereumMachine};
use header::{BlockNumber, Header};
use super::ValidatorSet;
@ -76,13 +76,13 @@ impl ValidatorSet for SimpleList {
}
}
fn signals_epoch_end(&self, _: bool, _: &Header, _: Option<&[u8]>, _: Option<&[::receipt::Receipt]>)
-> ::engines::EpochChange
fn signals_epoch_end(&self, _: bool, _: &Header, _: AuxiliaryData)
-> ::engines::EpochChange<EthereumMachine>
{
::engines::EpochChange::No
}
fn epoch_set(&self, _first: bool, _: &Engine, _: BlockNumber, _: &[u8]) -> Result<(SimpleList, Option<H256>), ::error::Error> {
fn epoch_set(&self, _first: bool, _: &EthereumMachine, _: BlockNumber, _: &[u8]) -> Result<(SimpleList, Option<H256>), ::error::Error> {
Ok((self.clone(), None))
}

8
ethcore/src/engines/validator_set/test.rs
View File

@ -24,7 +24,7 @@ use bigint::hash::H256;
use util::Address;
use bytes::Bytes;
use engines::{Call, Engine};
use machine::{AuxiliaryData, Call, EthereumMachine};
use header::{Header, BlockNumber};
use super::{ValidatorSet, SimpleList};
@ -58,13 +58,13 @@ impl ValidatorSet for TestSet {
fn is_epoch_end(&self, _first: bool, _chain_head: &Header) -> Option<Vec<u8>> { None }
fn signals_epoch_end(&self, _: bool, _: &Header, _: Option<&[u8]>, _: Option<&[::receipt::Receipt]>)
-> ::engines::EpochChange
fn signals_epoch_end(&self, _: bool, _: &Header, _: AuxiliaryData)
-> ::engines::EpochChange<EthereumMachine>
{
::engines::EpochChange::No
}
fn epoch_set(&self, _: bool, _: &Engine, _: BlockNumber, _: &[u8]) -> Result<(SimpleList, Option<H256>), ::error::Error> {
fn epoch_set(&self, _: bool, _: &EthereumMachine, _: BlockNumber, _: &[u8]) -> Result<(SimpleList, Option<H256>), ::error::Error> {
Ok((self.validator.clone(), None))
}

590
ethcore/src/ethereum/ethash.rs
View File

@ -17,33 +17,20 @@
use std::path::Path;
use std::cmp;
use std::collections::{BTreeMap, HashMap};
use std::sync::{Arc, Weak};
use std::sync::Arc;
use hash::{KECCAK_EMPTY_LIST_RLP};
use ethash::{quick_get_difficulty, slow_hash_block_number, EthashManager, OptimizeFor};
use bigint::prelude::U256;
use bigint::hash::{H256, H64};
use util::*;
use unexpected::{OutOfBounds, Mismatch};
use block::*;
use builtin::Builtin;
use vm::EnvInfo;
use error::{BlockError, Error, TransactionError};
use trace::{Tracer, ExecutiveTracer, RewardType};
use header::{Header, BlockNumber};
use state::CleanupMode;
use spec::CommonParams;
use transaction::{UnverifiedTransaction, SignedTransaction};
use engines::{self, Engine};
use evm::Schedule;
use error::{BlockError, Error};
use header::Header;
use engines::{self, Engine, EthEngine};
use ethjson;
use rlp::{self, UntrustedRlp};
use vm::LastHashes;
use machine::EthereumMachine;
use semantic_version::SemanticVersion;
use tx_filter::{TransactionFilter};
use client::EngineClient;
/// Parity tries to round block.gas_limit to multiple of this constant
pub const PARITY_GAS_LIMIT_DETERMINANT: U256 = U256([37, 0, 0, 0]);
/// Number of blocks in an ethash snapshot.
// make dependent on difficulty incrment divisor?
@ -68,12 +55,6 @@ pub struct EthashParams {
pub duration_limit: u64,
/// Homestead transition block number.
pub homestead_transition: u64,
/// DAO hard-fork transition block (X).
pub dao_hardfork_transition: u64,
/// DAO hard-fork refund contract address (C).
pub dao_hardfork_beneficiary: Address,
/// DAO hard-fork DAO accounts list (L)
pub dao_hardfork_accounts: Vec<Address>,
/// Transition block for a change of difficulty params (currently just bound_divisor).
pub difficulty_hardfork_transition: u64,
/// Difficulty param after the difficulty transition.
@ -82,30 +63,14 @@ pub struct EthashParams {
pub bomb_defuse_transition: u64,
/// Number of first block where EIP-100 rules begin.
pub eip100b_transition: u64,
/// Number of first block where EIP-150 rules begin.
pub eip150_transition: u64,
/// Number of first block where EIP-160 rules begin.
pub eip160_transition: u64,
/// Number of first block where EIP-161.abc begin.
pub eip161abc_transition: u64,
/// Number of first block where EIP-161.d begins.
pub eip161d_transition: u64,
/// Number of first block where ECIP-1010 begins.
pub ecip1010_pause_transition: u64,
/// Number of first block where ECIP-1010 ends.
pub ecip1010_continue_transition: u64,
/// Total block number for one ECIP-1017 era.
pub ecip1017_era_rounds: u64,
/// Maximum amount of code that can be deploying into a contract.
pub max_code_size: u64,
/// Number of first block where the max gas limit becomes effective.
pub max_gas_limit_transition: u64,
/// Maximum valid block gas limit,
pub max_gas_limit: U256,
/// Number of first block where the minimum gas price becomes effective.
pub min_gas_price_transition: u64,
/// Do not alow transactions with lower gas price.
pub min_gas_price: U256,
/// Block reward in base units.
pub block_reward: U256,
/// EIP-649 transition block.
pub eip649_transition: u64,
/// EIP-649 bomb delay.
@ -123,25 +88,14 @@ impl From<ethjson::spec::EthashParams> for EthashParams {
metropolis_difficulty_increment_divisor: p.metropolis_difficulty_increment_divisor.map_or(9, Into::into),
duration_limit: p.duration_limit.map_or(0, Into::into),
homestead_transition: p.homestead_transition.map_or(0, Into::into),
dao_hardfork_transition: p.dao_hardfork_transition.map_or(u64::max_value(), Into::into),
dao_hardfork_beneficiary: p.dao_hardfork_beneficiary.map_or_else(Address::new, Into::into),
dao_hardfork_accounts: p.dao_hardfork_accounts.unwrap_or_else(Vec::new).into_iter().map(Into::into).collect(),
difficulty_hardfork_transition: p.difficulty_hardfork_transition.map_or(u64::max_value(), Into::into),
difficulty_hardfork_bound_divisor: p.difficulty_hardfork_bound_divisor.map_or(p.difficulty_bound_divisor.into(), Into::into),
bomb_defuse_transition: p.bomb_defuse_transition.map_or(u64::max_value(), Into::into),
eip100b_transition: p.eip100b_transition.map_or(u64::max_value(), Into::into),
eip150_transition: p.eip150_transition.map_or(0, Into::into),
eip160_transition: p.eip160_transition.map_or(0, Into::into),
eip161abc_transition: p.eip161abc_transition.map_or(0, Into::into),
eip161d_transition: p.eip161d_transition.map_or(u64::max_value(), Into::into),
ecip1010_pause_transition: p.ecip1010_pause_transition.map_or(u64::max_value(), Into::into),
ecip1010_continue_transition: p.ecip1010_continue_transition.map_or(u64::max_value(), Into::into),
ecip1017_era_rounds: p.ecip1017_era_rounds.map_or(u64::max_value(), Into::into),
max_code_size: p.max_code_size.map_or(u64::max_value(), Into::into),
max_gas_limit_transition: p.max_gas_limit_transition.map_or(u64::max_value(), Into::into),
max_gas_limit: p.max_gas_limit.map_or(U256::max_value(), Into::into),
min_gas_price_transition: p.min_gas_price_transition.map_or(u64::max_value(), Into::into),
min_gas_price: p.min_gas_price.map_or(U256::zero(), Into::into),
block_reward: p.block_reward.map_or_else(Default::default, Into::into),
eip649_transition: p.eip649_transition.map_or(u64::max_value(), Into::into),
eip649_delay: p.eip649_delay.map_or(DEFAULT_EIP649_DELAY, Into::into),
eip649_reward: p.eip649_reward.map(Into::into),
@ -152,27 +106,22 @@ impl From<ethjson::spec::EthashParams> for EthashParams {
/// Engine using Ethash proof-of-work consensus algorithm, suitable for Ethereum
/// mainnet chains in the Olympic, Frontier and Homestead eras.
pub struct Ethash {
params: CommonParams,
ethash_params: EthashParams,
builtins: BTreeMap<Address, Builtin>,
pow: EthashManager,
tx_filter: Option<TransactionFilter>,
machine: EthereumMachine,
}
impl Ethash {
/// Create a new instance of Ethash engine
pub fn new<T: Into<Option<OptimizeFor>>>(
cache_dir: &Path,
params: CommonParams,
ethash_params: EthashParams,
builtins: BTreeMap<Address, Builtin>,
machine: EthereumMachine,
optimize_for: T,
) -> Arc<Self> {
Arc::new(Ethash {
tx_filter: TransactionFilter::from_params(&params),
params,
ethash_params,
builtins,
machine,
pow: EthashManager::new(cache_dir.as_ref(), optimize_for.into()),
})
}
@ -186,26 +135,23 @@ impl Ethash {
// for any block in the chain.
// in the future, we might move the Ethash epoch
// caching onto this mechanism as well.
impl engines::EpochVerifier for Arc<Ethash> {
impl engines::EpochVerifier<EthereumMachine> for Arc<Ethash> {
fn verify_light(&self, _header: &Header) -> Result<(), Error> { Ok(()) }
fn verify_heavy(&self, header: &Header) -> Result<(), Error> {
self.verify_block_unordered(header, None)
self.verify_block_unordered(header)
}
}
impl Engine for Arc<Ethash> {
impl Engine<EthereumMachine> for Arc<Ethash> {
fn name(&self) -> &str { "Ethash" }
fn version(&self) -> SemanticVersion { SemanticVersion::new(1, 0, 0) }
// Two fields - mix
fn machine(&self) -> &EthereumMachine { &self.machine }
// Two fields - nonce and mix.
fn seal_fields(&self) -> usize { 2 }
fn params(&self) -> &CommonParams { &self.params }
fn additional_params(&self) -> HashMap<String, String> { hash_map!["registrar".to_owned() => self.params().registrar.hex()] }
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
&self.builtins
}
/// Additional engine-specific information for the user/developer concerning `header`.
fn extra_info(&self, header: &Header) -> BTreeMap<String, String> {
if header.seal().len() == self.seal_fields() {
@ -218,90 +164,16 @@ impl Engine for Arc<Ethash> {
}
}
fn schedule(&self, block_number: BlockNumber) -> Schedule {
trace!(target: "client", "Creating schedule. fCML={}, bGCML={}", self.ethash_params.homestead_transition, self.ethash_params.eip150_transition);
if block_number < self.ethash_params.homestead_transition {
Schedule::new_frontier()
} else if block_number < self.ethash_params.eip150_transition {
Schedule::new_homestead()
} else {
/// There's no max_code_size transition so we tie it to eip161abc
let max_code_size = if block_number >= self.ethash_params.eip161abc_transition { self.ethash_params.max_code_size as usize } else { usize::max_value() };
let mut schedule = Schedule::new_post_eip150(
max_code_size,
block_number >= self.ethash_params.eip160_transition,
block_number >= self.ethash_params.eip161abc_transition,
block_number >= self.ethash_params.eip161d_transition);
self.params().update_schedule(block_number, &mut schedule);
schedule
}
}
fn signing_chain_id(&self, env_info: &EnvInfo) -> Option<u64> {
if env_info.number >= self.params().eip155_transition {
Some(self.params().chain_id)
} else {
None
}
}
fn populate_from_parent(&self, header: &mut Header, parent: &Header, gas_floor_target: U256, mut gas_ceil_target: U256) {
fn populate_from_parent(&self, header: &mut Header, parent: &Header) {
let difficulty = self.calculate_difficulty(header, parent);
if header.number() >= self.ethash_params.max_gas_limit_transition && gas_ceil_target > self.ethash_params.max_gas_limit {
warn!("Gas limit target is limited to {}", self.ethash_params.max_gas_limit);
gas_ceil_target = self.ethash_params.max_gas_limit;
}
let gas_limit = {
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.params().gas_limit_bound_divisor;
let lower_limit = gas_limit - gas_limit / bound_divisor + 1.into();
let upper_limit = gas_limit + gas_limit / bound_divisor - 1.into();
let gas_limit = if gas_limit < gas_floor_target {
let gas_limit = cmp::min(gas_floor_target, upper_limit);
round_block_gas_limit(gas_limit, lower_limit, upper_limit)
} else if gas_limit > gas_ceil_target {
let gas_limit = cmp::max(gas_ceil_target, lower_limit);
round_block_gas_limit(gas_limit, lower_limit, upper_limit)
} else {
let total_lower_limit = cmp::max(lower_limit, gas_floor_target);
let total_upper_limit = cmp::min(upper_limit, gas_ceil_target);
let gas_limit = cmp::max(gas_floor_target, cmp::min(total_upper_limit,
lower_limit + (header.gas_used().clone() * 6.into() / 5.into()) / bound_divisor));
round_block_gas_limit(gas_limit, total_lower_limit, total_upper_limit)
};
// ensure that we are not violating protocol limits
debug_assert!(gas_limit >= lower_limit);
debug_assert!(gas_limit <= upper_limit);
gas_limit
};
header.set_difficulty(difficulty);
header.set_gas_limit(gas_limit);
if header.number() >= self.ethash_params.dao_hardfork_transition &&
header.number() <= self.ethash_params.dao_hardfork_transition + 9 {
header.set_extra_data(b"dao-hard-fork"[..].to_owned());
}
header.note_dirty();
// info!("ethash: populate_from_parent #{}: difficulty={} and gas_limit={}", header.number(), header.difficulty(), header.gas_limit());
}
fn on_new_block(
&self,
block: &mut ExecutedBlock,
last_hashes: Arc<LastHashes>,
_block: &mut ExecutedBlock,
_begins_epoch: bool,
) -> Result<(), Error> {
let parent_hash = block.fields().header.parent_hash().clone();
engines::common::push_last_hash(block, last_hashes, self, &parent_hash)?;
if block.fields().header.number() == self.ethash_params.dao_hardfork_transition {
let state = block.fields_mut().state;
for child in &self.ethash_params.dao_hardfork_accounts {
let beneficiary = &self.ethash_params.dao_hardfork_beneficiary;
state.balance(child)
.and_then(|b| state.transfer_balance(child, beneficiary, &b, CleanupMode::NoEmpty))?;
}
}
Ok(())
}
@ -309,68 +181,54 @@ impl Engine for Arc<Ethash> {
/// This assumes that all uncles are valid uncles (i.e. of at least one generation before the current).
fn on_close_block(&self, block: &mut ExecutedBlock) -> Result<(), Error> {
use std::ops::Shr;
let tracing_enabled = block.tracing_enabled();
let fields = block.fields_mut();
let reward = if fields.header.number() >= self.ethash_params.eip649_transition {
self.ethash_params.eip649_reward.unwrap_or(self.params().block_reward)
use parity_machine::{LiveBlock, WithBalances};
let author = *LiveBlock::header(&*block).author();
let number = LiveBlock::header(&*block).number();
let reward = if number >= self.ethash_params.eip649_transition {
self.ethash_params.eip649_reward.unwrap_or(self.ethash_params.block_reward)
} else {
self.params().block_reward
self.ethash_params.block_reward
};
let eras_rounds = self.ethash_params.ecip1017_era_rounds;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, fields.header.number());
let mut tracer = ExecutiveTracer::default();
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, number);
let n_uncles = LiveBlock::uncles(&*block).len();
// Bestow block reward
let result_block_reward = reward + reward.shr(5) * U256::from(fields.uncles.len());
fields.state.add_balance(
fields.header.author(),
&result_block_reward,
CleanupMode::NoEmpty
)?;
let result_block_reward = reward + reward.shr(5) * U256::from(n_uncles);
let mut uncle_rewards = Vec::with_capacity(n_uncles);
if tracing_enabled {
let block_author = fields.header.author().clone();
tracer.trace_reward(block_author, result_block_reward, RewardType::Block);
}
self.machine.add_balance(block, &author, &result_block_reward)?;
// Bestow uncle rewards
let current_number = fields.header.number();
for u in fields.uncles.iter() {
let uncle_author = u.author().clone();
let result_uncle_reward: U256;
if eras == 0 {
result_uncle_reward = (reward * U256::from(8 + u.number() - current_number)).shr(3);
fields.state.add_balance(
u.author(),
&result_uncle_reward,
CleanupMode::NoEmpty
)
// bestow uncle rewards.
for u in LiveBlock::uncles(&*block) {
let uncle_author = u.author();
let result_uncle_reward = if eras == 0 {
(reward * U256::from(8 + u.number() - number)).shr(3)
} else {
result_uncle_reward = reward.shr(5);
fields.state.add_balance(
u.author(),
&result_uncle_reward,
CleanupMode::NoEmpty
)
}?;
reward.shr(5)
};
// Trace uncle rewards
if tracing_enabled {
tracer.trace_reward(uncle_author, result_uncle_reward, RewardType::Uncle);
}
uncle_rewards.push((*uncle_author, result_uncle_reward));
}
// Commit state so that we can actually figure out the state root.
fields.state.commit()?;
if tracing_enabled {
fields.traces.as_mut().map(|mut traces| traces.push(tracer.drain()));
}
Ok(())
for &(ref a, ref reward) in &uncle_rewards {
self.machine.add_balance(block, a, reward)?;
}
fn verify_block_basic(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
// note and trace.
self.machine.note_rewards(block, &[(author, result_block_reward)], &uncle_rewards)
}
fn verify_local_seal(&self, header: &Header) -> Result<(), Error> {
self.verify_block_basic(header)
.and_then(|_| self.verify_block_unordered(header))
}
fn verify_block_basic(&self, header: &Header) -> Result<(), Error> {
// check the seal fields.
if header.seal().len() != self.seal_fields() {
return Err(From::from(BlockError::InvalidSealArity(
@ -395,12 +253,6 @@ impl Engine for Arc<Ethash> {
return Err(From::from(BlockError::InvalidProofOfWork(OutOfBounds { min: Some(header.difficulty().clone()), max: None, found: difficulty })));
}
if header.number() >= self.ethash_params.dao_hardfork_transition &&
header.number() <= self.ethash_params.dao_hardfork_transition + 9 &&
header.extra_data()[..] != b"dao-hard-fork"[..] {
return Err(From::from(BlockError::ExtraDataOutOfBounds(OutOfBounds { min: None, max: None, found: 0 })));
}
if header.gas_limit() > &0x7fffffffffffffffu64.into() {
return Err(From::from(BlockError::InvalidGasLimit(OutOfBounds { min: None, max: Some(0x7fffffffffffffffu64.into()), found: header.gas_limit().clone() })));
}
@ -408,7 +260,7 @@ impl Engine for Arc<Ethash> {
Ok(())
}
fn verify_block_unordered(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
fn verify_block_unordered(&self, header: &Header) -> Result<(), Error> {
if header.seal().len() != self.seal_fields() {
return Err(From::from(BlockError::InvalidSealArity(
Mismatch { expected: self.seal_fields(), found: header.seal().len() }
@ -427,7 +279,7 @@ impl Engine for Arc<Ethash> {
Ok(())
}
fn verify_block_family(&self, header: &Header, parent: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
fn verify_block_family(&self, header: &Header, parent: &Header) -> Result<(), Error> {
// we should not calculate difficulty for genesis blocks
if header.number() == 0 {
return Err(From::from(BlockError::RidiculousNumber(OutOfBounds { min: Some(1), max: None, found: header.number() })));
@ -438,81 +290,17 @@ impl Engine for Arc<Ethash> {
if header.difficulty() != &expected_difficulty {
return Err(From::from(BlockError::InvalidDifficulty(Mismatch { expected: expected_difficulty, found: header.difficulty().clone() })))
}
let gas_limit_divisor = self.params().gas_limit_bound_divisor;
let parent_gas_limit = *parent.gas_limit();
let min_gas = parent_gas_limit - parent_gas_limit / gas_limit_divisor;
let max_gas = parent_gas_limit + parent_gas_limit / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
return Err(From::from(BlockError::InvalidGasLimit(OutOfBounds { min: Some(min_gas), max: Some(max_gas), found: header.gas_limit().clone() })));
}
if header.number() >= self.ethash_params.max_gas_limit_transition && header.gas_limit() > &self.ethash_params.max_gas_limit && header.gas_limit() > &parent_gas_limit {
return Err(From::from(BlockError::InvalidGasLimit(OutOfBounds { min: Some(min_gas), max: Some(self.ethash_params.max_gas_limit), found: header.gas_limit().clone() })));
}
Ok(())
}
fn verify_transaction_basic(&self, t: &UnverifiedTransaction, header: &Header) -> Result<(), Error> {
if header.number() >= self.ethash_params.min_gas_price_transition && t.gas_price < self.ethash_params.min_gas_price {
return Err(TransactionError::InsufficientGasPrice { minimal: self.ethash_params.min_gas_price, got: t.gas_price }.into());
}
let check_low_s = header.number() >= self.ethash_params.homestead_transition;
let chain_id = if header.number() >= self.params().eip155_transition { Some(self.params().chain_id) } else { None };
t.verify_basic(check_low_s, chain_id, false)?;
Ok(())
}
fn verify_transaction(&self, t: UnverifiedTransaction, header: &Header) -> Result<SignedTransaction, Error> {
let signed = SignedTransaction::new(t)?;
if !self.tx_filter.as_ref().map_or(true, |filter| filter.transaction_allowed(header.parent_hash(), &signed)) {
return Err(From::from(TransactionError::NotAllowed));
}
Ok(signed)
}
fn epoch_verifier<'a>(&self, _header: &Header, _proof: &'a [u8]) -> engines::ConstructedVerifier<'a> {
fn epoch_verifier<'a>(&self, _header: &Header, _proof: &'a [u8]) -> engines::ConstructedVerifier<'a, EthereumMachine> {
engines::ConstructedVerifier::Trusted(Box::new(self.clone()))
}
fn snapshot_components(&self) -> Option<Box<::snapshot::SnapshotComponents>> {
Some(Box::new(::snapshot::PowSnapshot::new(SNAPSHOT_BLOCKS, MAX_SNAPSHOT_BLOCKS)))
}
fn register_client(&self, client: Weak<EngineClient>) {
if let Some(ref filter) = self.tx_filter {
filter.register_client(client);
}
}
}
// Try to round gas_limit a bit so that:
// 1) it will still be in desired range
// 2) it will be a nearest (with tendency to increase) multiple of PARITY_GAS_LIMIT_DETERMINANT
fn round_block_gas_limit(gas_limit: U256, lower_limit: U256, upper_limit: U256) -> U256 {
let increased_gas_limit = gas_limit + (PARITY_GAS_LIMIT_DETERMINANT - gas_limit % PARITY_GAS_LIMIT_DETERMINANT);
if increased_gas_limit > upper_limit {
let decreased_gas_limit = increased_gas_limit - PARITY_GAS_LIMIT_DETERMINANT;
if decreased_gas_limit < lower_limit {
gas_limit
} else {
decreased_gas_limit
}
} else {
increased_gas_limit
}
}
fn ecip1017_eras_block_reward(era_rounds: u64, mut reward: U256, block_number:u64) -> (u64, U256){
let eras = if block_number != 0 && block_number % era_rounds == 0 {
block_number / era_rounds - 1
} else {
block_number / era_rounds
};
for _ in 0..eras {
reward = reward / U256::from(5) * U256::from(4);
}
(eras, reward)
}
#[cfg_attr(feature="dev", allow(wrong_self_convention))]
@ -611,7 +399,7 @@ impl Ethash {
}
impl Header {
/// Get the none field of the header.
/// Get the nonce field of the header.
pub fn nonce(&self) -> H64 {
rlp::decode(&self.seal()[1])
}
@ -620,29 +408,34 @@ impl Header {
pub fn mix_hash(&self) -> H256 {
rlp::decode(&self.seal()[0])
}
/// Set the nonce and mix hash fields of the header.
pub fn set_nonce_and_mix_hash(&mut self, nonce: &H64, mix_hash: &H256) {
self.set_seal(vec![rlp::encode(mix_hash).into_vec(), rlp::encode(nonce).into_vec()]);
}
fn ecip1017_eras_block_reward(era_rounds: u64, mut reward: U256, block_number:u64) -> (u64, U256) {
let eras = if block_number != 0 && block_number % era_rounds == 0 {
block_number / era_rounds - 1
} else {
block_number / era_rounds
};
for _ in 0..eras {
reward = reward / U256::from(5) * U256::from(4);
}
(eras, reward)
}
#[cfg(test)]
mod tests {
use std::str::FromStr;
use std::collections::BTreeMap;
use std::sync::Arc;
use bigint::prelude::U256;
use bigint::hash::{H64, H256};
use util::*;
use block::*;
use tests::helpers::*;
use engines::Engine;
use error::{BlockError, Error};
use header::Header;
use spec::Spec;
use super::super::{new_morden, new_homestead_test};
use super::{Ethash, EthashParams, PARITY_GAS_LIMIT_DETERMINANT, ecip1017_eras_block_reward};
use super::super::{new_morden, new_homestead_test_machine};
use super::{Ethash, EthashParams, ecip1017_eras_block_reward};
use rlp;
fn test_spec() -> Spec {
@ -661,6 +454,38 @@ mod tests {
assert_eq!(b.state().balance(&Address::zero()).unwrap(), U256::from_str("4563918244f40000").unwrap());
}
#[test]
fn has_valid_ecip1017_eras_block_reward() {
let eras_rounds = 5000000;
let start_reward: U256 = "4563918244F40000".parse().unwrap();
let block_number = 0;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(0, eras);
assert_eq!(U256::from_str("4563918244F40000").unwrap(), reward);
let block_number = 5000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(0, eras);
assert_eq!(U256::from_str("4563918244F40000").unwrap(), reward);
let block_number = 10000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(1, eras);
assert_eq!(U256::from_str("3782DACE9D900000").unwrap(), reward);
let block_number = 20000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(3, eras);
assert_eq!(U256::from_str("2386F26FC1000000").unwrap(), reward);
let block_number = 80000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(15, eras);
assert_eq!(U256::from_str("271000000000000").unwrap(), reward);
}
#[test]
fn on_close_block_with_uncle() {
let spec = test_spec();
@ -699,10 +524,9 @@ mod tests {
#[test]
fn can_do_seal_verification_fail() {
let engine = test_spec().engine;
//let engine = Ethash::new_test(test_spec());
let header: Header = Header::default();
let verify_result = engine.verify_block_basic(&header, None);
let verify_result = engine.verify_block_basic(&header);
match verify_result {
Err(Error::Block(BlockError::InvalidSealArity(_))) => {},
@ -717,7 +541,7 @@ mod tests {
let mut header: Header = Header::default();
header.set_seal(vec![rlp::encode(&H256::zero()).into_vec(), rlp::encode(&H64::zero()).into_vec()]);
let verify_result = engine.verify_block_basic(&header, None);
let verify_result = engine.verify_block_basic(&header);
match verify_result {
Err(Error::Block(BlockError::DifficultyOutOfBounds(_))) => {},
@ -733,7 +557,7 @@ mod tests {
header.set_seal(vec![rlp::encode(&H256::zero()).into_vec(), rlp::encode(&H64::zero()).into_vec()]);
header.set_difficulty(U256::from_str("ffffffffffffffffffffffffffffffffffffffffffffaaaaaaaaaaaaaaaaaaaa").unwrap());
let verify_result = engine.verify_block_basic(&header, None);
let verify_result = engine.verify_block_basic(&header);
match verify_result {
Err(Error::Block(BlockError::InvalidProofOfWork(_))) => {},
@ -747,7 +571,7 @@ mod tests {
let engine = test_spec().engine;
let header: Header = Header::default();
let verify_result = engine.verify_block_unordered(&header, None);
let verify_result = engine.verify_block_unordered(&header);
match verify_result {
Err(Error::Block(BlockError::InvalidSealArity(_))) => {},
@ -761,7 +585,7 @@ mod tests {
let engine = test_spec().engine;
let mut header: Header = Header::default();
header.set_seal(vec![rlp::encode(&H256::zero()).into_vec(), rlp::encode(&H64::zero()).into_vec()]);
let verify_result = engine.verify_block_unordered(&header, None);
let verify_result = engine.verify_block_unordered(&header);
match verify_result {
Err(Error::Block(BlockError::MismatchedH256SealElement(_))) => {},
@ -777,7 +601,7 @@ mod tests {
header.set_seal(vec![rlp::encode(&H256::from("b251bd2e0283d0658f2cadfdc8ca619b5de94eca5742725e2e757dd13ed7503d")).into_vec(), rlp::encode(&H64::zero()).into_vec()]);
header.set_difficulty(U256::from_str("ffffffffffffffffffffffffffffffffffffffffffffaaaaaaaaaaaaaaaaaaaa").unwrap());
let verify_result = engine.verify_block_unordered(&header, None);
let verify_result = engine.verify_block_unordered(&header);
match verify_result {
Err(Error::Block(BlockError::InvalidProofOfWork(_))) => {},
@ -792,7 +616,7 @@ mod tests {
let header: Header = Header::default();
let parent_header: Header = Header::default();
let verify_result = engine.verify_block_family(&header, &parent_header, None);
let verify_result = engine.verify_block_family(&header, &parent_header);
match verify_result {
Err(Error::Block(BlockError::RidiculousNumber(_))) => {},
@ -809,7 +633,7 @@ mod tests {
let mut parent_header: Header = Header::default();
parent_header.set_number(1);
let verify_result = engine.verify_block_family(&header, &parent_header, None);
let verify_result = engine.verify_block_family(&header, &parent_header);
match verify_result {
Err(Error::Block(BlockError::InvalidDifficulty(_))) => {},
@ -818,24 +642,6 @@ mod tests {
}
}
#[test]
fn can_verify_block_family_gas_fail() {
let engine = test_spec().engine;
let mut header: Header = Header::default();
header.set_number(2);
header.set_difficulty(U256::from_str("0000000000000000000000000000000000000000000000000000000000020000").unwrap());
let mut parent_header: Header = Header::default();
parent_header.set_number(1);
let verify_result = engine.verify_block_family(&header, &parent_header, None);
match verify_result {
Err(Error::Block(BlockError::InvalidGasLimit(_))) => {},
Err(_) => { panic!("should be invalid difficulty fail (got {:?})", verify_result); },
_ => { panic!("Should be error, got Ok"); },
}
}
#[test]
fn test_difficulty_to_boundary() {
// result of f(0) is undefined, so do not assert the result
@ -848,9 +654,9 @@ mod tests {
#[test]
fn difficulty_frontier() {
let spec = new_homestead_test();
let machine = new_homestead_test_machine();
let ethparams = get_default_ethash_params();
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
let ethash = Ethash::new(&::std::env::temp_dir(), ethparams, machine, None);
let mut parent_header = Header::default();
parent_header.set_number(1000000);
@ -866,9 +672,9 @@ mod tests {
#[test]
fn difficulty_homestead() {
let spec = new_homestead_test();
let machine = new_homestead_test_machine();
let ethparams = get_default_ethash_params();
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
let ethash = Ethash::new(&::std::env::temp_dir(), ethparams, machine, None);
let mut parent_header = Header::default();
parent_header.set_number(1500000);
@ -882,46 +688,14 @@ mod tests {
assert_eq!(U256::from_str("1fc50f118efe").unwrap(), difficulty);
}
#[test]
fn has_valid_ecip1017_eras_block_reward() {
let eras_rounds = 5000000;
let start_reward: U256 = "4563918244F40000".parse().unwrap();
let block_number = 0;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(0, eras);
assert_eq!(U256::from_str("4563918244F40000").unwrap(), reward);
let block_number = 5000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(0, eras);
assert_eq!(U256::from_str("4563918244F40000").unwrap(), reward);
let block_number = 10000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(1, eras);
assert_eq!(U256::from_str("3782DACE9D900000").unwrap(), reward);
let block_number = 20000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(3, eras);
assert_eq!(U256::from_str("2386F26FC1000000").unwrap(), reward);
let block_number = 80000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(15, eras);
assert_eq!(U256::from_str("271000000000000").unwrap(), reward);
}
#[test]
fn difficulty_classic_bomb_delay() {
let spec = new_homestead_test();
let machine = new_homestead_test_machine();
let ethparams = EthashParams {
ecip1010_pause_transition: 3000000,
..get_default_ethash_params()
};
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
let ethash = Ethash::new(&::std::env::temp_dir(), ethparams, machine, None);
let mut parent_header = Header::default();
parent_header.set_number(3500000);
@ -949,13 +723,13 @@ mod tests {
#[test]
fn test_difficulty_bomb_continue() {
let spec = new_homestead_test();
let machine = new_homestead_test_machine();
let ethparams = EthashParams {
ecip1010_pause_transition: 3000000,
ecip1010_continue_transition: 5000000,
..get_default_ethash_params()
};
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
let ethash = Ethash::new(&::std::env::temp_dir(), ethparams, machine, None);
let mut parent_header = Header::default();
parent_header.set_number(5000102);
@ -997,55 +771,11 @@ mod tests {
);
}
#[test]
fn gas_limit_is_multiple_of_determinant() {
let spec = new_homestead_test();
let ethparams = get_default_ethash_params();
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
let mut parent = Header::new();
let mut header = Header::new();
header.set_number(1);
// this test will work for this constant only
assert_eq!(PARITY_GAS_LIMIT_DETERMINANT, U256::from(37));
// when parent.gas_limit < gas_floor_target:
parent.set_gas_limit(U256::from(50_000));
ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
assert_eq!(*header.gas_limit(), U256::from(50_024));
// when parent.gas_limit > gas_ceil_target:
parent.set_gas_limit(U256::from(250_000));
ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
assert_eq!(*header.gas_limit(), U256::from(249_787));
// when parent.gas_limit is in miner's range
header.set_gas_used(U256::from(150_000));
parent.set_gas_limit(U256::from(150_000));
ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
assert_eq!(*header.gas_limit(), U256::from(150_035));
// when parent.gas_limit is in miner's range
// && we can NOT increase it to be multiple of constant
header.set_gas_used(U256::from(150_000));
parent.set_gas_limit(U256::from(150_000));
ethash.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(150_002));
assert_eq!(*header.gas_limit(), U256::from(149_998));
// when parent.gas_limit is in miner's range
// && we can NOT increase it to be multiple of constant
// && we can NOT decrease it to be multiple of constant
header.set_gas_used(U256::from(150_000));
parent.set_gas_limit(U256::from(150_000));
ethash.populate_from_parent(&mut header, &parent, U256::from(150_000), U256::from(150_002));
assert_eq!(*header.gas_limit(), U256::from(150_002));
}
#[test]
fn difficulty_max_timestamp() {
let spec = new_homestead_test();
let machine = new_homestead_test_machine();
let ethparams = get_default_ethash_params();
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
let ethash = Ethash::new(&::std::env::temp_dir(), ethparams, machine, None);
let mut parent_header = Header::default();
parent_header.set_number(1000000);
@ -1058,82 +788,4 @@ mod tests {
let difficulty = ethash.calculate_difficulty(&header, &parent_header);
assert_eq!(U256::from(12543204905719u64), difficulty);
}
#[test]
fn rejects_blocks_over_max_gas_limit() {
let spec = new_homestead_test();
let mut ethparams = get_default_ethash_params();
ethparams.max_gas_limit_transition = 10;
ethparams.max_gas_limit = 100_000.into();
let mut parent_header = Header::default();
parent_header.set_number(1);
parent_header.set_gas_limit(100_000.into());
let mut header = Header::default();
header.set_number(parent_header.number() + 1);
header.set_gas_limit(100_001.into());
header.set_difficulty(ethparams.minimum_difficulty);
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
assert!(ethash.verify_block_family(&header, &parent_header, None).is_ok());
parent_header.set_number(9);
header.set_number(parent_header.number() + 1);
parent_header.set_gas_limit(99_999.into());
header.set_gas_limit(100_000.into());
assert!(ethash.verify_block_family(&header, &parent_header, None).is_ok());
parent_header.set_gas_limit(200_000.into());
header.set_gas_limit(200_000.into());
assert!(ethash.verify_block_family(&header, &parent_header, None).is_ok());
parent_header.set_gas_limit(100_000.into());
header.set_gas_limit(100_001.into());
assert!(ethash.verify_block_family(&header, &parent_header, None).is_err());
parent_header.set_gas_limit(200_000.into());
header.set_gas_limit(200_001.into());
assert!(ethash.verify_block_family(&header, &parent_header, None).is_err());
}
#[test]
fn rejects_transactions_below_min_gas_price() {
use ethkey::{Generator, Random};
use transaction::{Transaction, Action};
let spec = new_homestead_test();
let mut ethparams = get_default_ethash_params();
ethparams.min_gas_price_transition = 10;
ethparams.min_gas_price = 100000.into();
let mut header = Header::default();
header.set_number(1);
let keypair = Random.generate().unwrap();
let tx1 = Transaction {
action: Action::Create,
value: U256::zero(),
data: Vec::new(),
gas: 100_000.into(),
gas_price: 100_000.into(),
nonce: U256::zero(),
}.sign(keypair.secret(), None).into();
let tx2 = Transaction {
action: Action::Create,
value: U256::zero(),
data: Vec::new(),
gas: 100_000.into(),
gas_price: 99_999.into(),
nonce: U256::zero(),
}.sign(keypair.secret(), None).into();
let ethash = Ethash::new(&::std::env::temp_dir(), spec.params().clone(), ethparams, BTreeMap::new(), None);
assert!(ethash.verify_transaction_basic(&tx1, &header).is_ok());
assert!(ethash.verify_transaction_basic(&tx2, &header).is_ok());
header.set_number(10);
assert!(ethash.verify_transaction_basic(&tx1, &header).is_ok());
assert!(ethash.verify_transaction_basic(&tx2, &header).is_err());
}
}

19
ethcore/src/ethereum/mod.rs
View File

@ -27,6 +27,7 @@ pub mod denominations;
pub use self::ethash::{Ethash};
pub use self::denominations::*;
use machine::EthereumMachine;
use super::spec::*;
/// Most recent fork block that we support on Mainnet.
@ -45,6 +46,10 @@ fn load<'a, T: Into<Option<SpecParams<'a>>>>(params: T, b: &[u8]) -> Spec {
}.expect("chain spec is invalid")
}
fn load_machine(b: &[u8]) -> EthereumMachine {
Spec::load_machine(b).expect("chain spec is invalid")
}
/// Create a new Foundation Olympic chain spec.
pub fn new_olympic<'a, T: Into<SpecParams<'a>>>(params: T) -> Spec {
load(params.into(), include_bytes!("../../res/ethereum/olympic.json"))
@ -106,6 +111,20 @@ pub fn new_byzantium_test() -> Spec { load(None, include_bytes!("../../res/ether
/// Create a new Foundation Constantinople era spec.
pub fn new_constantinople_test() -> Spec { load(None, include_bytes!("../../res/ethereum/constantinople_test.json")) }
// For tests
/// Create a new Foundation Frontier-era chain spec as though it never changes to Homestead.
pub fn new_frontier_test_machine() -> EthereumMachine { load_machine(include_bytes!("../../res/ethereum/frontier_test.json")) }
/// Create a new Foundation Homestead-era chain spec as though it never changed from Frontier.
pub fn new_homestead_test_machine() -> EthereumMachine { load_machine(include_bytes!("../../res/ethereum/homestead_test.json")) }
/// Create a new Foundation Byzantium era spec.
pub fn new_byzantium_test_machine() -> EthereumMachine { load_machine(include_bytes!("../../res/ethereum/byzantium_test.json")) }
/// Create a new Foundation Constantinople era spec.
pub fn new_constantinople_test_machine() -> EthereumMachine { load_machine(include_bytes!("../../res/ethereum/constantinople_test.json")) }
#[cfg(test)]
mod tests {
use bigint::prelude::U256;

107
ethcore/src/executive.rs
View File

@ -23,7 +23,7 @@ use bigint::hash::H256;
use util::*;
use bytes::{Bytes, BytesRef};
use state::{Backend as StateBackend, State, Substate, CleanupMode};
use engines::Engine;
use machine::EthereumMachine as Machine;
use vm::EnvInfo;
use error::ExecutionError;
use evm::{CallType, Factory, Finalize, FinalizationResult};
@ -154,10 +154,8 @@ impl TransactOptions<trace::NoopTracer, trace::NoopVMTracer> {
}
}
pub fn executor<E>(engine: &E, vm_factory: &Factory, params: &ActionParams)
-> Box<vm::Vm> where E: Engine + ?Sized
{
if engine.supports_wasm() && params.code.as_ref().map_or(false, |code| code.len() > 4 && &code[0..4] == WASM_MAGIC_NUMBER) {
pub fn executor(machine: &Machine, vm_factory: &Factory, params: &ActionParams) -> Box<vm::Vm> {
if machine.supports_wasm() && params.code.as_ref().map_or(false, |code| code.len() > 4 && &code[0..4] == WASM_MAGIC_NUMBER) {
Box::new(
wasm::WasmInterpreter::new()
// prefer to fail fast
@ -169,32 +167,32 @@ pub fn executor<E>(engine: &E, vm_factory: &Factory, params: &ActionParams)
}
/// Transaction executor.
pub struct Executive<'a, B: 'a + StateBackend, E: 'a + Engine + ?Sized> {
pub struct Executive<'a, B: 'a + StateBackend> {
state: &'a mut State<B>,
info: &'a EnvInfo,
engine: &'a E,
machine: &'a Machine,
depth: usize,
static_flag: bool,
}
impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
impl<'a, B: 'a + StateBackend> Executive<'a, B> {
/// Basic constructor.
pub fn new(state: &'a mut State<B>, info: &'a EnvInfo, engine: &'a E) -> Self {
pub fn new(state: &'a mut State<B>, info: &'a EnvInfo, machine: &'a Machine) -> Self {
Executive {
state: state,
info: info,
engine: engine,
machine: machine,
depth: 0,
static_flag: false,
}
}
/// Populates executive from parent properties. Increments executive depth.
pub fn from_parent(state: &'a mut State<B>, info: &'a EnvInfo, engine: &'a E, parent_depth: usize, static_flag: bool) -> Self {
pub fn from_parent(state: &'a mut State<B>, info: &'a EnvInfo, machine: &'a Machine, parent_depth: usize, static_flag: bool) -> Self {
Executive {
state: state,
info: info,
engine: engine,
machine: machine,
depth: parent_depth + 1,
static_flag: static_flag,
}
@ -209,9 +207,9 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
tracer: &'any mut T,
vm_tracer: &'any mut V,
static_call: bool,
) -> Externalities<'any, T, V, B, E> where T: Tracer, V: VMTracer {
) -> Externalities<'any, T, V, B> where T: Tracer, V: VMTracer {
let is_static = self.static_flag || static_call;
Externalities::new(self.state, self.info, self.engine, self.depth, origin_info, substate, output, tracer, vm_tracer, is_static)
Externalities::new(self.state, self.info, self.machine, self.depth, origin_info, substate, output, tracer, vm_tracer, is_static)
}
/// This function should be used to execute transaction.
@ -250,7 +248,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
let sender = t.sender();
let nonce = self.state.nonce(&sender)?;
let schedule = self.engine.schedule(self.info.number);
let schedule = self.machine.schedule(self.info.number);
let base_gas_required = U256::from(t.gas_required(&schedule));
if t.gas < base_gas_required {
@ -298,7 +296,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
let (result, output) = match t.action {
Action::Create => {
let (new_address, code_hash) = contract_address(self.engine.create_address_scheme(self.info.number), &sender, &nonce, &t.data);
let (new_address, code_hash) = contract_address(self.machine.create_address_scheme(self.info.number), &sender, &nonce, &t.data);
let params = ActionParams {
code_address: new_address.clone(),
code_hash: code_hash,
@ -355,19 +353,19 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
let vm_factory = self.state.vm_factory();
let mut ext = self.as_externalities(OriginInfo::from(&params), unconfirmed_substate, output_policy, tracer, vm_tracer, static_call);
trace!(target: "executive", "ext.schedule.have_delegate_call: {}", ext.schedule().have_delegate_call);
return executor(self.engine, &vm_factory, &params).exec(params, &mut ext).finalize(ext);
return executor(self.machine, &vm_factory, &params).exec(params, &mut ext).finalize(ext);
}
// Start in new thread to reset stack
// TODO [todr] No thread builder yet, so we need to reset once for a while
// https://github.com/aturon/crossbeam/issues/16
crossbeam::scope(|scope| {
let engine = self.engine;
let machine = self.machine;
let vm_factory = self.state.vm_factory();
let mut ext = self.as_externalities(OriginInfo::from(&params), unconfirmed_substate, output_policy, tracer, vm_tracer, static_call);
scope.spawn(move || {
executor(engine, &vm_factory, &params).exec(params, &mut ext).finalize(ext)
executor(machine, &vm_factory, &params).exec(params, &mut ext).finalize(ext)
})
}).join()
}
@ -396,7 +394,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
// backup used in case of running out of gas
self.state.checkpoint();
let schedule = self.engine.schedule(self.info.number);
let schedule = self.machine.schedule(self.info.number);
// at first, transfer value to destination
if let ActionValue::Transfer(val) = params.value {
@ -404,7 +402,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
}
// if destination is builtin, try to execute it
if let Some(builtin) = self.engine.builtin(&params.code_address, self.info.number) {
if let Some(builtin) = self.machine.builtin(&params.code_address, self.info.number) {
// Engines aren't supposed to return builtins until activation, but
// prefer to fail rather than silently break consensus.
if !builtin.is_active(self.info.number) {
@ -542,7 +540,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
let mut unconfirmed_substate = Substate::new();
// create contract and transfer value to it if necessary
let schedule = self.engine.schedule(self.info.number);
let schedule = self.machine.schedule(self.info.number);
let nonce_offset = if schedule.no_empty {1} else {0}.into();
let prev_bal = self.state.balance(&params.address)?;
if let ActionValue::Transfer(val) = params.value {
@ -591,7 +589,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
trace: Vec<FlatTrace>,
vm_trace: Option<VMTrace>
) -> ExecutionResult {
let schedule = self.engine.schedule(self.info.number);
let schedule = self.machine.schedule(self.info.number);
// refunds from SSTORE nonzero -> zero
let sstore_refunds = U256::from(schedule.sstore_refund_gas) * substate.sstore_clears_count;
@ -700,6 +698,7 @@ mod tests {
use vm::{ActionParams, ActionValue, CallType, EnvInfo, CreateContractAddress};
use evm::{Factory, VMType};
use error::ExecutionError;
use machine::EthereumMachine;
use state::{Substate, CleanupMode};
use tests::helpers::*;
use trace::trace;
@ -707,6 +706,12 @@ mod tests {
use trace::{VMTrace, VMOperation, VMExecutedOperation, MemoryDiff, StorageDiff, VMTracer, NoopVMTracer, ExecutiveVMTracer};
use transaction::{Action, Transaction};
fn make_frontier_machine(max_depth: usize) -> EthereumMachine {
let mut machine = ::ethereum::new_frontier_test_machine();
machine.set_schedule_creation_rules(Box::new(move |s, _| s.max_depth = max_depth));
machine
}
#[test]
fn test_contract_address() {
let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
@ -728,11 +733,11 @@ mod tests {
let mut state = get_temp_state_with_factory(factory);
state.add_balance(&sender, &U256::from(0x100u64), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let mut substate = Substate::new();
let FinalizationResult { gas_left, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.create(params, &mut substate, &mut None, &mut NoopTracer, &mut NoopVMTracer).unwrap()
};
@ -786,11 +791,11 @@ mod tests {
let mut state = get_temp_state_with_factory(factory);
state.add_balance(&sender, &U256::from(100), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let mut substate = Substate::new();
let FinalizationResult { gas_left, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.create(params, &mut substate, &mut None, &mut NoopTracer, &mut NoopVMTracer).unwrap()
};
@ -842,13 +847,13 @@ mod tests {
let mut state = get_temp_state();
state.add_balance(&sender, &U256::from(100), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let mut substate = Substate::new();
let mut tracer = ExecutiveTracer::default();
let mut vm_tracer = ExecutiveVMTracer::toplevel();
let FinalizationResult { gas_left, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
let output = BytesRef::Fixed(&mut[0u8;0]);
ex.call(params, &mut substate, output, &mut tracer, &mut vm_tracer).unwrap()
};
@ -951,13 +956,13 @@ mod tests {
let mut state = get_temp_state();
state.add_balance(&sender, &U256::from(100), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let mut substate = Substate::new();
let mut tracer = ExecutiveTracer::default();
let mut vm_tracer = ExecutiveVMTracer::toplevel();
let FinalizationResult { gas_left, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.create(params.clone(), &mut substate, &mut None, &mut tracer, &mut vm_tracer).unwrap()
};
@ -1038,11 +1043,11 @@ mod tests {
let mut state = get_temp_state_with_factory(factory);
state.add_balance(&sender, &U256::from(100), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let mut substate = Substate::new();
let FinalizationResult { gas_left, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.create(params, &mut substate, &mut None, &mut NoopTracer, &mut NoopVMTracer).unwrap()
};
@ -1089,11 +1094,11 @@ mod tests {
let mut state = get_temp_state_with_factory(factory);
state.add_balance(&sender, &U256::from(100), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(1024);
let machine = make_frontier_machine(1024);
let mut substate = Substate::new();
{
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.create(params, &mut substate, &mut None, &mut NoopTracer, &mut NoopVMTracer).unwrap();
}
@ -1149,11 +1154,11 @@ mod tests {
state.add_balance(&sender, &U256::from(100_000), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let mut substate = Substate::new();
let FinalizationResult { gas_left, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.call(params, &mut substate, BytesRef::Fixed(&mut []), &mut NoopTracer, &mut NoopVMTracer).unwrap()
};
@ -1193,11 +1198,11 @@ mod tests {
let mut state = get_temp_state_with_factory(factory);
state.init_code(&address, code).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let mut substate = Substate::new();
let FinalizationResult { gas_left, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.call(params, &mut substate, BytesRef::Fixed(&mut []), &mut NoopTracer, &mut NoopVMTracer).unwrap()
};
@ -1226,10 +1231,10 @@ mod tests {
state.add_balance(&sender, &U256::from(18), CleanupMode::NoEmpty).unwrap();
let mut info = EnvInfo::default();
info.gas_limit = U256::from(100_000);
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let executed = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
let opts = TransactOptions::with_no_tracing();
ex.transact(&t, opts).unwrap()
};
@ -1263,10 +1268,10 @@ mod tests {
state.add_balance(&sender, &U256::from(17), CleanupMode::NoEmpty).unwrap();
let mut info = EnvInfo::default();
info.gas_limit = U256::from(100_000);
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let res = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
let opts = TransactOptions::with_no_tracing();
ex.transact(&t, opts)
};
@ -1296,10 +1301,10 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_used = U256::from(20_000);
info.gas_limit = U256::from(100_000);
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let res = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
let opts = TransactOptions::with_no_tracing();
ex.transact(&t, opts)
};
@ -1329,10 +1334,10 @@ mod tests {
state.add_balance(&sender, &U256::from(100_017), CleanupMode::NoEmpty).unwrap();
let mut info = EnvInfo::default();
info.gas_limit = U256::from(100_000);
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let res = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
let opts = TransactOptions::with_no_tracing();
ex.transact(&t, opts)
};
@ -1362,11 +1367,11 @@ mod tests {
let mut state = get_temp_state_with_factory(factory);
state.add_balance(&sender, &U256::from_str("152d02c7e14af6800000").unwrap(), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new(0);
let machine = make_frontier_machine(0);
let mut substate = Substate::new();
let result = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.create(params, &mut substate, &mut None, &mut NoopTracer, &mut NoopVMTracer)
};
@ -1397,12 +1402,12 @@ mod tests {
let mut state = get_temp_state_with_factory(factory);
state.add_balance(&sender, &U256::from_str("152d02c7e14af68000000").unwrap(), CleanupMode::NoEmpty).unwrap();
let info = EnvInfo::default();
let engine = TestEngine::new_byzantium();
let machine = ::ethereum::new_byzantium_test_machine();
let mut substate = Substate::new();
let mut output = [0u8; 14];
let FinalizationResult { gas_left: result, .. } = {
let mut ex = Executive::new(&mut state, &info, &engine);
let mut ex = Executive::new(&mut state, &info, &machine);
ex.call(params, &mut substate, BytesRef::Fixed(&mut output), &mut NoopTracer, &mut NoopVMTracer).unwrap()
};

49
ethcore/src/externalities.rs
View File

@ -22,7 +22,7 @@ use bigint::hash::H256;
use util::*;
use bytes::{Bytes, BytesRef};
use state::{Backend as StateBackend, State, Substate, CleanupMode};
use engines::Engine;
use machine::EthereumMachine as Machine;
use executive::*;
use vm::{
self, ActionParams, ActionValue, EnvInfo, CallType, Schedule,
@ -65,12 +65,12 @@ impl OriginInfo {
}
/// Implementation of evm Externalities.
pub struct Externalities<'a, T: 'a, V: 'a, B: 'a, E: 'a + Engine + ?Sized>
pub struct Externalities<'a, T: 'a, V: 'a, B: 'a>
where T: Tracer, V: VMTracer, B: StateBackend
{
state: &'a mut State<B>,
env_info: &'a EnvInfo,
engine: &'a E,
machine: &'a Machine,
depth: usize,
origin_info: OriginInfo,
substate: &'a mut Substate,
@ -81,14 +81,14 @@ pub struct Externalities<'a, T: 'a, V: 'a, B: 'a, E: 'a + Engine + ?Sized>
static_flag: bool,
}
impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Externalities<'a, T, V, B, E>
where T: Tracer, V: VMTracer, B: StateBackend, E: Engine + ?Sized
impl<'a, T: 'a, V: 'a, B: 'a> Externalities<'a, T, V, B>
where T: Tracer, V: VMTracer, B: StateBackend
{
/// Basic `Externalities` constructor.
#[cfg_attr(feature="dev", allow(too_many_arguments))]
pub fn new(state: &'a mut State<B>,
env_info: &'a EnvInfo,
engine: &'a E,
machine: &'a Machine,
depth: usize,
origin_info: OriginInfo,
substate: &'a mut Substate,
@ -100,11 +100,11 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Externalities<'a, T, V, B, E>
Externalities {
state: state,
env_info: env_info,
engine: engine,
machine: machine,
depth: depth,
origin_info: origin_info,
substate: substate,
schedule: engine.schedule(env_info.number),
schedule: machine.schedule(env_info.number),
output: output,
tracer: tracer,
vm_tracer: vm_tracer,
@ -113,8 +113,8 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Externalities<'a, T, V, B, E>
}
}
impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
where T: Tracer, V: VMTracer, B: StateBackend, E: Engine + ?Sized
impl<'a, T: 'a, V: 'a, B: 'a> Ext for Externalities<'a, T, V, B>
where T: Tracer, V: VMTracer, B: StateBackend
{
fn storage_at(&self, key: &H256) -> vm::Result<H256> {
self.state.storage_at(&self.origin_info.address, key).map_err(Into::into)
@ -149,8 +149,8 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
}
fn blockhash(&mut self, number: &U256) -> H256 {
if self.env_info.number + 256 >= self.engine.params().eip210_transition {
let blockhash_contract_address = self.engine.params().eip210_contract_address;
if self.env_info.number + 256 >= self.machine.params().eip210_transition {
let blockhash_contract_address = self.machine.params().eip210_contract_address;
let code_res = self.state.code(&blockhash_contract_address)
.and_then(|code| self.state.code_hash(&blockhash_contract_address).map(|hash| (code, hash)));
@ -165,7 +165,7 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
value: ActionValue::Apparent(self.origin_info.value),
code_address: blockhash_contract_address.clone(),
origin: self.origin_info.origin.clone(),
gas: self.engine.params().eip210_contract_gas,
gas: self.machine.params().eip210_contract_gas,
gas_price: 0.into(),
code: code,
code_hash: Some(code_hash),
@ -174,7 +174,7 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
};
let mut output = H256::new();
let mut ex = Executive::new(self.state, self.env_info, self.engine);
let mut ex = Executive::new(self.state, self.env_info, self.machine);
let r = ex.call(params, self.substate, BytesRef::Fixed(&mut output), self.tracer, self.vm_tracer);
trace!("ext: blockhash contract({}) -> {:?}({}) self.env_info.number={}\n", number, r, output, self.env_info.number);
output
@ -229,7 +229,7 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
}
}
}
let mut ex = Executive::from_parent(self.state, self.env_info, self.engine, self.depth, self.static_flag);
let mut ex = Executive::from_parent(self.state, self.env_info, self.machine, self.depth, self.static_flag);
// TODO: handle internal error separately
match ex.create(params, self.substate, &mut None, self.tracer, self.vm_tracer) {
@ -283,7 +283,7 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
params.value = ActionValue::Transfer(value);
}
let mut ex = Executive::from_parent(self.state, self.env_info, self.engine, self.depth, self.static_flag);
let mut ex = Executive::from_parent(self.state, self.env_info, self.machine, self.depth, self.static_flag);
match ex.call(params, self.substate, BytesRef::Fixed(output), self.tracer, self.vm_tracer) {
Ok(FinalizationResult{ gas_left, return_data, apply_state: true }) => MessageCallResult::Success(gas_left, return_data),
@ -414,7 +414,6 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
#[cfg(test)]
mod tests {
use util::*;
use engines::Engine;
use evm::{EnvInfo, Ext, CallType};
use state::{State, Substate};
use tests::helpers::*;
@ -444,7 +443,7 @@ mod tests {
struct TestSetup {
state: State<::state_db::StateDB>,
engine: Arc<Engine>,
machine: ::machine::EthereumMachine,
sub_state: Substate,
env_info: EnvInfo
}
@ -459,7 +458,7 @@ mod tests {
fn new() -> Self {
TestSetup {
state: get_temp_state(),
engine: get_test_spec().engine,
machine: ::spec::Spec::new_test_machine(),
sub_state: Substate::new(),
env_info: get_test_env_info()
}
@ -473,7 +472,7 @@ mod tests {
let mut tracer = NoopTracer;
let mut vm_tracer = NoopVMTracer;
let ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let ext = Externalities::new(state, &setup.env_info, &setup.machine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
assert_eq!(ext.env_info().number, 100);
}
@ -485,7 +484,7 @@ mod tests {
let mut tracer = NoopTracer;
let mut vm_tracer = NoopVMTracer;
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let mut ext = Externalities::new(state, &setup.env_info, &setup.machine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let hash = ext.blockhash(&"0000000000000000000000000000000000000000000000000000000000120000".parse::<U256>().unwrap());
@ -509,7 +508,7 @@ mod tests {
let mut tracer = NoopTracer;
let mut vm_tracer = NoopVMTracer;
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let mut ext = Externalities::new(state, &setup.env_info, &setup.machine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let hash = ext.blockhash(&"0000000000000000000000000000000000000000000000000000000000120000".parse::<U256>().unwrap());
@ -524,7 +523,7 @@ mod tests {
let mut tracer = NoopTracer;
let mut vm_tracer = NoopVMTracer;
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let mut ext = Externalities::new(state, &setup.env_info, &setup.machine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let mut output = vec![];
@ -552,7 +551,7 @@ mod tests {
let mut vm_tracer = NoopVMTracer;
{
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let mut ext = Externalities::new(state, &setup.env_info, &setup.machine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
ext.log(log_topics, &log_data).unwrap();
}
@ -569,7 +568,7 @@ mod tests {
let mut vm_tracer = NoopVMTracer;
{
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
let mut ext = Externalities::new(state, &setup.env_info, &setup.machine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None), &mut tracer, &mut vm_tracer, false);
ext.suicide(refund_account).unwrap();
}

17
ethcore/src/header.rs
View File

@ -312,6 +312,23 @@ impl HeapSizeOf for Header {
}
}
impl ::parity_machine::Header for Header {
fn bare_hash(&self) -> H256 { Header::bare_hash(self) }
fn hash(&self) -> H256 { Header::hash(self) }
fn seal(&self) -> &[Vec<u8>] { Header::seal(self) }
fn author(&self) -> &Address { Header::author(self) }
fn number(&self) -> BlockNumber { Header::number(self) }
}
impl ::parity_machine::ScoredHeader for Header {
fn score(&self) -> &U256 { self.difficulty() }
fn set_score(&mut self, score: U256) { self.set_difficulty(score) }
}
#[cfg(test)]
mod tests {
use rustc_hex::FromHex;

29
ethcore/src/json_tests/executive.rs
View File

@ -18,7 +18,6 @@ use std::sync::Arc;
use super::test_common::*;
use state::{Backend as StateBackend, State, Substate};
use executive::*;
use engines::Engine;
use evm::{VMType, Finalize};
use vm::{
self, ActionParams, CallType, Schedule, Ext,
@ -34,6 +33,7 @@ use bytes::{Bytes, BytesRef};
use trie;
use rlp::RlpStream;
use hash::keccak;
use machine::EthereumMachine as Machine;
#[derive(Debug, PartialEq, Clone)]
struct CallCreate {
@ -57,22 +57,22 @@ impl From<ethjson::vm::Call> for CallCreate {
/// Tiny wrapper around executive externalities.
/// Stores callcreates.
struct TestExt<'a, T: 'a, V: 'a, B: 'a, E: 'a>
where T: Tracer, V: VMTracer, B: StateBackend, E: Engine + ?Sized
struct TestExt<'a, T: 'a, V: 'a, B: 'a>
where T: Tracer, V: VMTracer, B: StateBackend
{
ext: Externalities<'a, T, V, B, E>,
ext: Externalities<'a, T, V, B>,
callcreates: Vec<CallCreate>,
nonce: U256,
sender: Address,
}
impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> TestExt<'a, T, V, B, E>
where T: Tracer, V: VMTracer, B: StateBackend, E: Engine + ?Sized
impl<'a, T: 'a, V: 'a, B: 'a> TestExt<'a, T, V, B>
where T: Tracer, V: VMTracer, B: StateBackend,
{
fn new(
state: &'a mut State<B>,
info: &'a EnvInfo,
engine: &'a E,
machine: &'a Machine,
depth: usize,
origin_info: OriginInfo,
substate: &'a mut Substate,
@ -84,15 +84,15 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> TestExt<'a, T, V, B, E>
let static_call = false;
Ok(TestExt {
nonce: state.nonce(&address)?,
ext: Externalities::new(state, info, engine, depth, origin_info, substate, output, tracer, vm_tracer, static_call),
ext: Externalities::new(state, info, machine, depth, origin_info, substate, output, tracer, vm_tracer, static_call),
callcreates: vec![],
sender: address,
})
}
}
impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for TestExt<'a, T, V, B, E>
where T: Tracer, V: VMTracer, B: StateBackend, E: Engine + ?Sized
impl<'a, T: 'a, V: 'a, B: 'a> Ext for TestExt<'a, T, V, B>
where T: Tracer, V: VMTracer, B: StateBackend
{
fn storage_at(&self, key: &H256) -> vm::Result<H256> {
self.ext.storage_at(key)
@ -231,7 +231,12 @@ fn do_json_test_for(vm_type: &VMType, json_data: &[u8]) -> Vec<String> {
let mut state = get_temp_state();
state.populate_from(From::from(vm.pre_state.clone()));
let info = From::from(vm.env);
let engine = TestEngine::new(1);
let machine = {
let mut machine = ::ethereum::new_frontier_test_machine();
machine.set_schedule_creation_rules(Box::new(move |s, _| s.max_depth = 1));
machine
};
let params = ActionParams::from(vm.transaction);
let mut substate = Substate::new();
@ -245,7 +250,7 @@ fn do_json_test_for(vm_type: &VMType, json_data: &[u8]) -> Vec<String> {
let mut ex = try_fail!(TestExt::new(
&mut state,
&info,
&engine,
&machine,
0,
OriginInfo::from(&params),
&mut substate,

2
ethcore/src/lib.rs
View File

@ -101,6 +101,7 @@ extern crate lru_cache;
extern crate native_contracts;
extern crate num_cpus;
extern crate num;
extern crate parity_machine;
extern crate parking_lot;
extern crate price_info;
extern crate rand;
@ -154,6 +155,7 @@ pub mod error;
pub mod ethereum;
pub mod executed;
pub mod header;
pub mod machine;
pub mod migrations;
pub mod miner;
pub mod pod_state;

531
ethcore/src/machine.rs Normal file
View File

@ -0,0 +1,531 @@
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Ethereum-like state machine definition.
use std::collections::BTreeMap;
use std::cmp;
use std::sync::Arc;
use block::ExecutedBlock;
use builtin::Builtin;
use client::BlockChainClient;
use error::{Error, TransactionError};
use executive::Executive;
use header::{BlockNumber, Header};
use spec::CommonParams;
use state::{CleanupMode, Substate};
use trace::{NoopTracer, NoopVMTracer, Tracer, ExecutiveTracer, RewardType};
use transaction::{SYSTEM_ADDRESS, UnverifiedTransaction, SignedTransaction};
use tx_filter::TransactionFilter;
use bigint::prelude::U256;
use bytes::BytesRef;
use util::Address;
use vm::{CallType, ActionParams, ActionValue};
use vm::{EnvInfo, Schedule, CreateContractAddress};
/// Parity tries to round block.gas_limit to multiple of this constant
pub const PARITY_GAS_LIMIT_DETERMINANT: U256 = U256([37, 0, 0, 0]);
/// Ethash-specific extensions.
#[derive(Debug, Clone)]
pub struct EthashExtensions {
/// Homestead transition block number.
pub homestead_transition: BlockNumber,
/// EIP150 transition block number.
pub eip150_transition: BlockNumber,
/// Number of first block where EIP-160 rules begin.
pub eip160_transition: u64,
/// Number of first block where EIP-161.abc begin.
pub eip161abc_transition: u64,
/// Number of first block where EIP-161.d begins.
pub eip161d_transition: u64,
/// DAO hard-fork transition block (X).
pub dao_hardfork_transition: u64,
/// DAO hard-fork refund contract address (C).
pub dao_hardfork_beneficiary: Address,
/// DAO hard-fork DAO accounts list (L)
pub dao_hardfork_accounts: Vec<Address>,
}
impl From<::ethjson::spec::EthashParams> for EthashExtensions {
fn from(p: ::ethjson::spec::EthashParams) -> Self {
EthashExtensions {
homestead_transition: p.homestead_transition.map_or(0, Into::into),
eip150_transition: p.eip150_transition.map_or(0, Into::into),
eip160_transition: p.eip160_transition.map_or(0, Into::into),
eip161abc_transition: p.eip161abc_transition.map_or(0, Into::into),
eip161d_transition: p.eip161d_transition.map_or(u64::max_value(), Into::into),
dao_hardfork_transition: p.dao_hardfork_transition.map_or(u64::max_value(), Into::into),
dao_hardfork_beneficiary: p.dao_hardfork_beneficiary.map_or_else(Address::new, Into::into),
dao_hardfork_accounts: p.dao_hardfork_accounts.unwrap_or_else(Vec::new).into_iter().map(Into::into).collect(),
}
}
}
/// Special rules to be applied to the schedule.
pub type ScheduleCreationRules = Fn(&mut Schedule, BlockNumber) + Sync + Send;
/// An ethereum-like state machine.
pub struct EthereumMachine {
params: CommonParams,
builtins: Arc<BTreeMap<Address, Builtin>>,
tx_filter: Option<Arc<TransactionFilter>>,
ethash_extensions: Option<EthashExtensions>,
schedule_rules: Option<Box<ScheduleCreationRules>>,
}
impl EthereumMachine {
/// Regular ethereum machine.
pub fn regular(params: CommonParams, builtins: BTreeMap<Address, Builtin>) -> EthereumMachine {
let tx_filter = TransactionFilter::from_params(&params).map(Arc::new);
EthereumMachine {
params: params,
builtins: Arc::new(builtins),
tx_filter: tx_filter,
ethash_extensions: None,
schedule_rules: None,
}
}
/// Ethereum machine with ethash extensions.
// TODO: either unify or specify to mainnet specifically and include other specific-chain HFs?
pub fn with_ethash_extensions(params: CommonParams, builtins: BTreeMap<Address, Builtin>, extensions: EthashExtensions) -> EthereumMachine {
let mut machine = EthereumMachine::regular(params, builtins);
machine.ethash_extensions = Some(extensions);
machine
}
/// Attach special rules to the creation of schedule.
pub fn set_schedule_creation_rules(&mut self, rules: Box<ScheduleCreationRules>) {
self.schedule_rules = Some(rules);
}
/// Get a reference to the ethash-specific extensions.
pub fn ethash_extensions(&self) -> Option<&EthashExtensions> {
self.ethash_extensions.as_ref()
}
}
impl EthereumMachine {
/// Execute a call as the system address.
pub fn execute_as_system(
&self,
block: &mut ExecutedBlock,
contract_address: Address,
gas: U256,
data: Option<Vec<u8>>,
) -> Result<Vec<u8>, Error> {
let env_info = {
let mut env_info = block.env_info();
env_info.gas_limit = env_info.gas_used + gas;
env_info
};
let mut state = block.fields_mut().state;
let params = ActionParams {
code_address: contract_address.clone(),
address: contract_address.clone(),
sender: SYSTEM_ADDRESS.clone(),
origin: SYSTEM_ADDRESS.clone(),
gas: gas,
gas_price: 0.into(),
value: ActionValue::Transfer(0.into()),
code: state.code(&contract_address)?,
code_hash: Some(state.code_hash(&contract_address)?),
data: data,
call_type: CallType::Call,
};
let mut ex = Executive::new(&mut state, &env_info, self);
let mut substate = Substate::new();
let mut output = Vec::new();
if let Err(e) = ex.call(params, &mut substate, BytesRef::Flexible(&mut output), &mut NoopTracer, &mut NoopVMTracer) {
warn!("Encountered error on making system call: {}", e);
}
Ok(output)
}
/// Push last known block hash to the state.
fn push_last_hash(&self, block: &mut ExecutedBlock) -> Result<(), Error> {
let params = self.params();
if block.fields().header.number() == params.eip210_transition {
let state = block.fields_mut().state;
state.init_code(&params.eip210_contract_address, params.eip210_contract_code.clone())?;
}
if block.fields().header.number() >= params.eip210_transition {
let parent_hash = block.fields().header.parent_hash().clone();
let _ = self.execute_as_system(
block,
params.eip210_contract_address,
params.eip210_contract_gas,
Some(parent_hash.to_vec()),
)?;
}
Ok(())
}
/// Logic to perform on a new block: updating last hashes and the DAO
/// fork, for ethash.
pub fn on_new_block(&self, block: &mut ExecutedBlock) -> Result<(), Error> {
self.push_last_hash(block)?;
if let Some(ref ethash_params) = self.ethash_extensions {
if block.fields().header.number() == ethash_params.dao_hardfork_transition {
let state = block.fields_mut().state;
for child in &ethash_params.dao_hardfork_accounts {
let beneficiary = &ethash_params.dao_hardfork_beneficiary;
state.balance(child)
.and_then(|b| state.transfer_balance(child, beneficiary, &b, CleanupMode::NoEmpty))?;
}
}
}
Ok(())
}
/// Populate a header's fields based on its parent's header.
/// Usually implements the chain scoring rule based on weight.
/// The gas floor target must not be lower than the engine's minimum gas limit.
pub fn populate_from_parent(&self, header: &mut Header, parent: &Header, gas_floor_target: U256, gas_ceil_target: U256) {
header.set_difficulty(parent.difficulty().clone());
if let Some(ref ethash_params) = self.ethash_extensions {
let gas_limit = {
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.params().gas_limit_bound_divisor;
let lower_limit = gas_limit - gas_limit / bound_divisor + 1.into();
let upper_limit = gas_limit + gas_limit / bound_divisor - 1.into();
let gas_limit = if gas_limit < gas_floor_target {
let gas_limit = cmp::min(gas_floor_target, upper_limit);
round_block_gas_limit(gas_limit, lower_limit, upper_limit)
} else if gas_limit > gas_ceil_target {
let gas_limit = cmp::max(gas_ceil_target, lower_limit);
round_block_gas_limit(gas_limit, lower_limit, upper_limit)
} else {
let total_lower_limit = cmp::max(lower_limit, gas_floor_target);
let total_upper_limit = cmp::min(upper_limit, gas_ceil_target);
let gas_limit = cmp::max(gas_floor_target, cmp::min(total_upper_limit,
lower_limit + (header.gas_used().clone() * 6.into() / 5.into()) / bound_divisor));
round_block_gas_limit(gas_limit, total_lower_limit, total_upper_limit)
};
// ensure that we are not violating protocol limits
debug_assert!(gas_limit >= lower_limit);
debug_assert!(gas_limit <= upper_limit);
gas_limit
};
header.set_gas_limit(gas_limit);
if header.number() >= ethash_params.dao_hardfork_transition &&
header.number() <= ethash_params.dao_hardfork_transition + 9 {
header.set_extra_data(b"dao-hard-fork"[..].to_owned());
}
return
}
header.set_gas_limit({
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.params().gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
cmp::min(gas_floor_target, gas_limit + gas_limit / bound_divisor - 1.into())
} else {
cmp::max(gas_floor_target, gas_limit - gas_limit / bound_divisor + 1.into())
}
});
}
/// Get the general parameters of the chain.
pub fn params(&self) -> &CommonParams {
&self.params
}
/// Get the EVM schedule for the given block number.
pub fn schedule(&self, block_number: BlockNumber) -> Schedule {
let mut schedule = match self.ethash_extensions {
None => self.params.schedule(block_number),
Some(ref ext) => {
if block_number < ext.homestead_transition {
Schedule::new_frontier()
} else if block_number < ext.eip150_transition {
Schedule::new_homestead()
} else {
/// There's no max_code_size transition so we tie it to eip161abc
let max_code_size = if block_number >= ext.eip161abc_transition {
self.params.max_code_size as usize
} else {
usize::max_value()
};
let mut schedule = Schedule::new_post_eip150(
max_code_size,
block_number >= ext.eip160_transition,
block_number >= ext.eip161abc_transition,
block_number >= ext.eip161d_transition
);
self.params.update_schedule(block_number, &mut schedule);
schedule
}
}
};
if let Some(ref rules) = self.schedule_rules {
(rules)(&mut schedule, block_number)
}
schedule
}
/// Builtin-contracts for the chain..
pub fn builtins(&self) -> &BTreeMap<Address, Builtin> {
&*self.builtins
}
/// Attempt to get a handle to a built-in contract.
/// Only returns references to activated built-ins.
// TODO: builtin contract routing - to do this properly, it will require removing the built-in configuration-reading logic
// from Spec into here and removing the Spec::builtins field.
pub fn builtin(&self, a: &Address, block_number: BlockNumber) -> Option<&Builtin> {
self.builtins()
.get(a)
.and_then(|b| if b.is_active(block_number) { Some(b) } else { None })
}
/// Some intrinsic operation parameters; by default they take their value from the `spec()`'s `engine_params`.
pub fn maximum_extra_data_size(&self) -> usize { self.params().maximum_extra_data_size }
/// The nonce with which accounts begin at given block.
pub fn account_start_nonce(&self, block: u64) -> U256 {
let params = self.params();
if block >= params.dust_protection_transition {
U256::from(params.nonce_cap_increment) * U256::from(block)
} else {
params.account_start_nonce
}
}
/// The network ID that transactions should be signed with.
pub fn signing_chain_id(&self, env_info: &EnvInfo) -> Option<u64> {
let params = self.params();
if env_info.number >= params.eip155_transition {
Some(params.chain_id)
} else {
None
}
}
/// Returns new contract address generation scheme at given block number.
pub fn create_address_scheme(&self, number: BlockNumber) -> CreateContractAddress {
if number >= self.params().eip86_transition {
CreateContractAddress::FromCodeHash
} else {
CreateContractAddress::FromSenderAndNonce
}
}
/// Verify a particular transaction is valid, regardless of order.
pub fn verify_transaction_unordered(&self, t: UnverifiedTransaction, _header: &Header) -> Result<SignedTransaction, Error> {
SignedTransaction::new(t)
}
/// Does basic verification of the transaction.
pub fn verify_transaction_basic(&self, t: &UnverifiedTransaction, header: &Header) -> Result<(), Error> {
let check_low_s = match self.ethash_extensions {
Some(ref ext) => header.number() >= ext.homestead_transition,
None => true,
};
let chain_id = if header.number() >= self.params().eip155_transition {
Some(self.params().chain_id)
} else {
None
};
t.verify_basic(check_low_s, chain_id, false)?;
Ok(())
}
/// Does verification of the transaction against the parent state.
// TODO: refine the bound here to be a "state provider" or similar as opposed
// to full client functionality.
pub fn verify_transaction(&self, t: &SignedTransaction, header: &Header, client: &BlockChainClient) -> Result<(), Error> {
if let Some(ref filter) = self.tx_filter.as_ref() {
if !filter.transaction_allowed(header.parent_hash(), t, client) {
return Err(TransactionError::NotAllowed.into())
}
}
Ok(())
}
/// If this machine supports wasm.
pub fn supports_wasm(&self) -> bool {
self.params().wasm
}
}
/// Auxiliary data fetcher for an Ethereum machine. In Ethereum-like machines
/// there are two kinds of auxiliary data: bodies and receipts.
#[derive(Default, Clone)]
pub struct AuxiliaryData<'a> {
/// The full block bytes, including the header.
pub bytes: Option<&'a [u8]>,
/// The block receipts.
pub receipts: Option<&'a [::receipt::Receipt]>,
}
/// Type alias for a function we can make calls through synchronously.
/// Returns the call result and state proof for each call.
pub type Call<'a> = Fn(Address, Vec<u8>) -> Result<(Vec<u8>, Vec<Vec<u8>>), String> + 'a;
/// Request for auxiliary data of a block.
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum AuxiliaryRequest {
/// Needs the body.
Body,
/// Needs the receipts.
Receipts,
/// Needs both body and receipts.
Both,
}
impl ::parity_machine::Machine for EthereumMachine {
type Header = Header;
type LiveBlock = ExecutedBlock;
type EngineClient = ::client::EngineClient;
type AuxiliaryRequest = AuxiliaryRequest;
type Error = Error;
}
impl<'a> ::parity_machine::LocalizedMachine<'a> for EthereumMachine {
type StateContext = Call<'a>;
type AuxiliaryData = AuxiliaryData<'a>;
}
impl ::parity_machine::WithBalances for EthereumMachine {
fn balance(&self, live: &ExecutedBlock, address: &Address) -> Result<U256, Error> {
live.fields().state.balance(address).map_err(Into::into)
}
fn add_balance(&self, live: &mut ExecutedBlock, address: &Address, amount: &U256) -> Result<(), Error> {
live.fields_mut().state.add_balance(address, amount, CleanupMode::NoEmpty).map_err(Into::into)
}
fn note_rewards(
&self,
live: &mut Self::LiveBlock,
direct: &[(Address, U256)],
indirect: &[(Address, U256)],
) -> Result<(), Self::Error> {
use block::IsBlock;
if !live.tracing_enabled() { return Ok(()) }
let mut tracer = ExecutiveTracer::default();
for &(address, amount) in direct {
tracer.trace_reward(address, amount, RewardType::Block);
}
for &(address, amount) in indirect {
tracer.trace_reward(address, amount, RewardType::Uncle);
}
live.fields_mut().push_traces(tracer);
Ok(())
}
}
// Try to round gas_limit a bit so that:
// 1) it will still be in desired range
// 2) it will be a nearest (with tendency to increase) multiple of PARITY_GAS_LIMIT_DETERMINANT
fn round_block_gas_limit(gas_limit: U256, lower_limit: U256, upper_limit: U256) -> U256 {
let increased_gas_limit = gas_limit + (PARITY_GAS_LIMIT_DETERMINANT - gas_limit % PARITY_GAS_LIMIT_DETERMINANT);
if increased_gas_limit > upper_limit {
let decreased_gas_limit = increased_gas_limit - PARITY_GAS_LIMIT_DETERMINANT;
if decreased_gas_limit < lower_limit {
gas_limit
} else {
decreased_gas_limit
}
} else {
increased_gas_limit
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn ethash_gas_limit_is_multiple_of_determinant() {
use bigint::prelude::U256;
let spec = ::ethereum::new_homestead_test();
let ethparams = ::tests::helpers::get_default_ethash_extensions();
let machine = EthereumMachine::with_ethash_extensions(
spec.params().clone(),
Default::default(),
ethparams,
);
let mut parent = ::header::Header::new();
let mut header = ::header::Header::new();
header.set_number(1);
// this test will work for this constant only
assert_eq!(PARITY_GAS_LIMIT_DETERMINANT, U256::from(37));
// when parent.gas_limit < gas_floor_target:
parent.set_gas_limit(U256::from(50_000));
machine.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
assert_eq!(*header.gas_limit(), U256::from(50_024));
// when parent.gas_limit > gas_ceil_target:
parent.set_gas_limit(U256::from(250_000));
machine.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
assert_eq!(*header.gas_limit(), U256::from(249_787));
// when parent.gas_limit is in miner's range
header.set_gas_used(U256::from(150_000));
parent.set_gas_limit(U256::from(150_000));
machine.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(200_000));
assert_eq!(*header.gas_limit(), U256::from(150_035));
// when parent.gas_limit is in miner's range
// && we can NOT increase it to be multiple of constant
header.set_gas_used(U256::from(150_000));
parent.set_gas_limit(U256::from(150_000));
machine.populate_from_parent(&mut header, &parent, U256::from(100_000), U256::from(150_002));
assert_eq!(*header.gas_limit(), U256::from(149_998));
// when parent.gas_limit is in miner's range
// && we can NOT increase it to be multiple of constant
// && we can NOT decrease it to be multiple of constant
header.set_gas_used(U256::from(150_000));
parent.set_gas_limit(U256::from(150_000));
machine.populate_from_parent(&mut header, &parent, U256::from(150_000), U256::from(150_002));
assert_eq!(*header.gas_limit(), U256::from(150_002));
}
}

6
ethcore/src/miner/miner.rs
View File

@ -35,7 +35,7 @@ use error::*;
use transaction::{Action, UnverifiedTransaction, PendingTransaction, SignedTransaction, Condition as TransactionCondition};
use receipt::{Receipt, RichReceipt};
use spec::Spec;
use engines::{Engine, Seal};
use engines::{EthEngine, Seal};
use miner::{MinerService, MinerStatus, TransactionQueue, RemovalReason, TransactionQueueDetailsProvider, PrioritizationStrategy,
AccountDetails, TransactionOrigin};
use miner::banning_queue::{BanningTransactionQueue, Threshold};
@ -240,7 +240,7 @@ pub struct Miner {
gas_range_target: RwLock<(U256, U256)>,
author: RwLock<Address>,
extra_data: RwLock<Bytes>,
engine: Arc<Engine>,
engine: Arc<EthEngine>,
accounts: Option<Arc<AccountProvider>>,
notifiers: RwLock<Vec<Box<NotifyWork>>>,
@ -662,7 +662,7 @@ impl Miner {
return Err(Error::Transaction(TransactionError::AlreadyImported));
}
match self.engine.verify_transaction_basic(&tx, &best_block_header)
.and_then(|_| self.engine.verify_transaction(tx, &best_block_header))
.and_then(|_| self.engine.verify_transaction_unordered(tx, &best_block_header))
{
Err(e) => {
debug!(target: "miner", "Rejected tx {:?} with invalid signature: {:?}", hash, e);

13
ethcore/src/snapshot/consensus/authority.rs
View File

@ -25,7 +25,8 @@ use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use blockchain::{BlockChain, BlockProvider};
use engines::{Engine, EpochVerifier, EpochTransition};
use engines::{EthEngine, EpochVerifier, EpochTransition};
use machine::EthereumMachine;
use ids::BlockId;
use header::Header;
use receipt::Receipt;
@ -168,7 +169,7 @@ struct ChunkRebuilder {
// and epoch data from last blocks in chunks.
// verification for these will be done at the end.
unverified_firsts: Vec<(Header, Bytes, H256)>,
last_epochs: Vec<(Header, Box<EpochVerifier>)>,
last_epochs: Vec<(Header, Box<EpochVerifier<EthereumMachine>>)>,
}
// verified data.
@ -180,9 +181,9 @@ struct Verified {
impl ChunkRebuilder {
fn verify_transition(
&mut self,
last_verifier: &mut Option<Box<EpochVerifier>>,
last_verifier: &mut Option<Box<EpochVerifier<EthereumMachine>>>,
transition_rlp: UntrustedRlp,
engine: &Engine,
engine: &EthEngine,
) -> Result<Verified, ::error::Error> {
use engines::ConstructedVerifier;
@ -238,7 +239,7 @@ impl Rebuilder for ChunkRebuilder {
fn feed(
&mut self,
chunk: &[u8],
engine: &Engine,
engine: &EthEngine,
abort_flag: &AtomicBool,
) -> Result<(), ::error::Error> {
let rlp = UntrustedRlp::new(chunk);
@ -346,7 +347,7 @@ impl Rebuilder for ChunkRebuilder {
Ok(())
}
fn finalize(&mut self, _engine: &Engine) -> Result<(), ::error::Error> {
fn finalize(&mut self, _engine: &EthEngine) -> Result<(), ::error::Error> {
if !self.had_genesis {
return Err(Error::WrongChunkFormat("No genesis transition included.".into()).into());
}

6
ethcore/src/snapshot/consensus/mod.rs
View File

@ -21,7 +21,7 @@ use std::sync::atomic::AtomicBool;
use std::sync::Arc;
use blockchain::BlockChain;
use engines::Engine;
use engines::EthEngine;
use snapshot::{Error, ManifestData};
use bigint::hash::H256;
@ -84,7 +84,7 @@ pub trait Rebuilder: Send {
fn feed(
&mut self,
chunk: &[u8],
engine: &Engine,
engine: &EthEngine,
abort_flag: &AtomicBool,
) -> Result<(), ::error::Error>;
@ -93,5 +93,5 @@ pub trait Rebuilder: Send {
///
/// This should apply the necessary "glue" between chunks,
/// and verify against the restored state.
fn finalize(&mut self, engine: &Engine) -> Result<(), ::error::Error>;
fn finalize(&mut self, engine: &EthEngine) -> Result<(), ::error::Error>;
}

7
ethcore/src/snapshot/consensus/work.rs
View File

@ -27,7 +27,7 @@ use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use blockchain::{BlockChain, BlockProvider};
use engines::Engine;
use engines::EthEngine;
use snapshot::{Error, ManifestData};
use snapshot::block::AbridgedBlock;
use bigint::hash::H256;
@ -219,7 +219,7 @@ impl PowRebuilder {
impl Rebuilder for PowRebuilder {
/// Feed the rebuilder an uncompressed block chunk.
/// Returns the number of blocks fed or any errors.
fn feed(&mut self, chunk: &[u8], engine: &Engine, abort_flag: &AtomicBool) -> Result<(), ::error::Error> {
fn feed(&mut self, chunk: &[u8], engine: &EthEngine, abort_flag: &AtomicBool) -> Result<(), ::error::Error> {
use basic_types::Seal::With;
use views::BlockView;
use snapshot::verify_old_block;
@ -271,7 +271,6 @@ impl Rebuilder for PowRebuilder {
&block.header,
engine,
&self.chain,
Some(&block_bytes),
is_best
)?;
@ -298,7 +297,7 @@ impl Rebuilder for PowRebuilder {
}
/// Glue together any disconnected chunks and check that the chain is complete.
fn finalize(&mut self, _: &Engine) -> Result<(), ::error::Error> {
fn finalize(&mut self, _: &EthEngine) -> Result<(), ::error::Error> {
let mut batch = self.db.transaction();
for (first_num, first_hash) in self.disconnected.drain(..) {

12
ethcore/src/snapshot/mod.rs
View File

@ -26,7 +26,7 @@ use hash::{keccak, KECCAK_NULL_RLP, KECCAK_EMPTY};
use account_db::{AccountDB, AccountDBMut};
use blockchain::{BlockChain, BlockProvider};
use engines::Engine;
use engines::EthEngine;
use header::Header;
use ids::BlockId;
@ -126,7 +126,7 @@ impl Progress {
}
/// Take a snapshot using the given blockchain, starting block hash, and database, writing into the given writer.
pub fn take_snapshot<W: SnapshotWriter + Send>(
engine: &Engine,
engine: &EthEngine,
chain: &BlockChain,
block_at: H256,
state_db: &HashDB,
@ -484,13 +484,13 @@ const POW_VERIFY_RATE: f32 = 0.02;
/// Verify an old block with the given header, engine, blockchain, body. If `always` is set, it will perform
/// the fullest verification possible. If not, it will take a random sample to determine whether it will
/// do heavy or light verification.
pub fn verify_old_block(rng: &mut OsRng, header: &Header, engine: &Engine, chain: &BlockChain, body: Option<&[u8]>, always: bool) -> Result<(), ::error::Error> {
engine.verify_block_basic(header, body)?;
pub fn verify_old_block(rng: &mut OsRng, header: &Header, engine: &EthEngine, chain: &BlockChain, always: bool) -> Result<(), ::error::Error> {
engine.verify_block_basic(header)?;
if always || rng.gen::<f32>() <= POW_VERIFY_RATE {
engine.verify_block_unordered(header, body)?;
engine.verify_block_unordered(header)?;
match chain.block_header(header.parent_hash()) {
Some(parent) => engine.verify_block_family(header, &parent, body),
Some(parent) => engine.verify_block_family(header, &parent),
None => Ok(()),
}
} else {

12
ethcore/src/snapshot/service.rs
View File

@ -28,7 +28,7 @@ use super::io::{SnapshotReader, LooseReader, SnapshotWriter, LooseWriter};
use blockchain::BlockChain;
use client::{BlockChainClient, Client};
use engines::Engine;
use engines::EthEngine;
use error::Error;
use ids::BlockId;
use service::ClientIoMessage;
@ -91,7 +91,7 @@ struct RestorationParams<'a> {
writer: Option<LooseWriter>, // writer for recovered snapshot.
genesis: &'a [u8], // genesis block of the chain.
guard: Guard, // guard for the restoration directory.
engine: &'a Engine,
engine: &'a EthEngine,
}
impl Restoration {
@ -145,7 +145,7 @@ impl Restoration {
}
// feeds a block chunk
fn feed_blocks(&mut self, hash: H256, chunk: &[u8], engine: &Engine, flag: &AtomicBool) -> Result<(), Error> {
fn feed_blocks(&mut self, hash: H256, chunk: &[u8], engine: &EthEngine, flag: &AtomicBool) -> Result<(), Error> {
if self.block_chunks_left.contains(&hash) {
let len = snappy::decompress_into(chunk, &mut self.snappy_buffer)?;
@ -161,7 +161,7 @@ impl Restoration {
}
// finish up restoration.
fn finalize(mut self, engine: &Engine) -> Result<(), Error> {
fn finalize(mut self, engine: &EthEngine) -> Result<(), Error> {
use trie::TrieError;
if !self.is_done() { return Ok(()) }
@ -199,7 +199,7 @@ pub type Channel = IoChannel<ClientIoMessage>;
/// Snapshot service parameters.
pub struct ServiceParams {
/// The consensus engine this is built on.
pub engine: Arc<Engine>,
pub engine: Arc<EthEngine>,
/// The chain's genesis block.
pub genesis_block: Bytes,
/// Database configuration options.
@ -225,7 +225,7 @@ pub struct Service {
pruning: Algorithm,
status: Mutex<RestorationStatus>,
reader: RwLock<Option<LooseReader>>,
engine: Arc<Engine>,
engine: Arc<EthEngine>,
genesis_block: Bytes,
state_chunks: AtomicUsize,
block_chunks: AtomicUsize,

4
ethcore/src/snapshot/tests/helpers.rs
View File

@ -24,7 +24,7 @@ use account_db::AccountDBMut;
use basic_account::BasicAccount;
use blockchain::BlockChain;
use client::{BlockChainClient, Client};
use engines::Engine;
use engines::EthEngine;
use snapshot::{StateRebuilder};
use snapshot::io::{SnapshotReader, PackedWriter, PackedReader};
@ -160,7 +160,7 @@ pub fn snap(client: &Client) -> GuardedTempResult<Box<SnapshotReader>> {
/// write into the given database.
pub fn restore(
db: Arc<KeyValueDB>,
engine: &Engine,
engine: &EthEngine,
reader: &SnapshotReader,
genesis: &[u8],
) -> Result<(), ::error::Error> {

4
ethcore/src/snapshot/tests/proof_of_work.rs
View File

@ -38,7 +38,7 @@ fn chunk_and_restore(amount: u64) {
let mut finalizer = BlockFinalizer::default();
let genesis = canon_chain.generate(&mut finalizer).unwrap();
let engine = Arc::new(::engines::NullEngine::default());
let engine = ::spec::Spec::new_test().engine;
let new_path = RandomTempPath::create_dir();
let mut snapshot_path = new_path.as_path().to_owned();
snapshot_path.push("SNAP");
@ -128,7 +128,7 @@ fn checks_flag() {
let chunk = stream.out();
let db = Arc::new(kvdb::in_memory(::db::NUM_COLUMNS.unwrap_or(0)));
let engine = Arc::new(::engines::NullEngine::default());
let engine = ::spec::Spec::new_test().engine;
let chain = BlockChain::new(Default::default(), &genesis, db.clone());
let manifest = ::snapshot::ManifestData {

185
ethcore/src/spec/spec.rs
View File

@ -16,37 +16,43 @@
//! Parameters for a block chain.
use super::genesis::Genesis;
use super::seal::Generic as GenericSeal;
use bigint::hash::{H2048, H256};
use bigint::prelude::U256;
use builtin::Builtin;
use bytes::Bytes;
use engines::{AuthorityRound, BasicAuthority, DEFAULT_BLOCKHASH_CONTRACT, Engine, InstantSeal,
NullEngine, Tendermint};
use error::Error;
pub use ethash::OptimizeFor;
use ethereum;
use ethjson;
use executive::Executive;
use factory::Factories;
use hash::{KECCAK_NULL_RLP, keccak};
use header::{BlockNumber, Header};
use parking_lot::RwLock;
use pod_state::*;
use rlp::{Rlp, RlpStream};
use rustc_hex::FromHex;
use state::{Backend, State, Substate};
use state::backend::Basic as BasicBackend;
use std::collections::BTreeMap;
use std::io::Read;
use std::collections::BTreeMap;
use std::path::Path;
use std::sync::Arc;
use trace::{NoopTracer, NoopVMTracer};
use bigint::hash::{H256, H2048};
use bigint::prelude::U256;
use bytes::Bytes;
use ethjson;
use hash::{KECCAK_NULL_RLP, keccak};
use parking_lot::RwLock;
use rlp::{Rlp, RlpStream};
use rustc_hex::FromHex;
use util::*;
use vm::{ActionParams, ActionValue, CallType, EnvInfo};
use vm::{EnvInfo, CallType, ActionValue, ActionParams};
use super::genesis::Genesis;
use super::seal::Generic as GenericSeal;
use builtin::Builtin;
use engines::{EthEngine, NullEngine, InstantSeal, BasicAuthority, AuthorityRound, Tendermint, DEFAULT_BLOCKHASH_CONTRACT};
use error::Error;
use executive::Executive;
use factory::Factories;
use header::{BlockNumber, Header};
use machine::EthereumMachine;
use pod_state::*;
use state::{Backend, State, Substate};
use state::backend::Basic as BasicBackend;
use trace::{NoopTracer, NoopVMTracer};
pub use ethash::OptimizeFor;
// helper for formatting errors.
fn fmt_err<F: ::std::fmt::Display>(f: F) -> String {
format!("Spec json is invalid: {}", f)
}
/// Parameters common to ethereum-like blockchains.
/// NOTE: when adding bugfix hard-fork parameters,
@ -106,12 +112,12 @@ pub struct CommonParams {
pub wasm: bool,
/// Gas limit bound divisor (how much gas limit can change per block)
pub gas_limit_bound_divisor: U256,
/// Block reward in wei.
pub block_reward: U256,
/// Registrar contract address.
pub registrar: Address,
/// Node permission managing contract address.
pub node_permission_contract: Option<Address>,
/// Maximum contract code size that can be deployed.
pub max_code_size: u64,
/// Transaction permission managing contract address.
pub transaction_permission_contract: Option<Address>,
}
@ -119,7 +125,7 @@ pub struct CommonParams {
impl CommonParams {
/// Schedule for an EVM in the post-EIP-150-era of the Ethereum main net.
pub fn schedule(&self, block_number: u64) -> ::vm::Schedule {
let mut schedule = ::vm::Schedule::new_post_eip150(usize::max_value(), true, true, true);
let mut schedule = ::vm::Schedule::new_post_eip150(self.max_code_size as _, true, true, true);
self.update_schedule(block_number, &mut schedule);
schedule
}
@ -214,9 +220,9 @@ impl From<ethjson::spec::Params> for CommonParams {
remove_dust_contracts: p.remove_dust_contracts.unwrap_or(false),
wasm: p.wasm.unwrap_or(false),
gas_limit_bound_divisor: p.gas_limit_bound_divisor.into(),
block_reward: p.block_reward.map_or_else(U256::zero, Into::into),
registrar: p.registrar.map_or_else(Address::new, Into::into),
node_permission_contract: p.node_permission_contract.map(Into::into),
max_code_size: p.max_code_size.map_or(u64::max_value(), Into::into),
transaction_permission_contract: p.transaction_permission_contract.map(Into::into),
}
}
@ -266,7 +272,7 @@ pub struct Spec {
/// User friendly spec name
pub name: String,
/// What engine are we using for this?
pub engine: Arc<Engine>,
pub engine: Arc<EthEngine>,
/// Name of the subdir inside the main data dir to use for chain data and settings.
pub data_dir: String,
@ -329,6 +335,13 @@ impl Clone for Spec {
}
}
fn load_machine_from(s: ethjson::spec::Spec) -> EthereumMachine {
let builtins = s.accounts.builtins().into_iter().map(|p| (p.0.into(), From::from(p.1))).collect();
let params = CommonParams::from(s.params);
Spec::machine(&s.engine, params, builtins)
}
/// Load from JSON object.
fn load_from(spec_params: SpecParams, s: ethjson::spec::Spec) -> Result<Spec, Error> {
let builtins = s.accounts
@ -387,7 +400,28 @@ macro_rules! load_bundled {
};
}
macro_rules! load_machine_bundled {
($e:expr) => {
Spec::load_machine(
include_bytes!(concat!("../../res/", $e, ".json")) as &[u8]
).expect(concat!("Chain spec ", $e, " is invalid."))
};
}
impl Spec {
// create an instance of an Ethereum state machine, minus consensus logic.
fn machine(
engine_spec: &ethjson::spec::Engine,
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
) -> EthereumMachine {
if let ethjson::spec::Engine::Ethash(ref ethash) = *engine_spec {
EthereumMachine::with_ethash_extensions(params, builtins, ethash.params.clone().into())
} else {
EthereumMachine::regular(params, builtins)
}
}
/// Convert engine spec into a arc'd Engine of the right underlying type.
/// TODO avoid this hard-coded nastiness - use dynamic-linked plugin framework instead.
fn engine(
@ -395,42 +429,18 @@ impl Spec {
engine_spec: ethjson::spec::Engine,
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
) -> Arc<Engine> {
) -> Arc<EthEngine> {
let machine = Self::machine(&engine_spec, params, builtins);
match engine_spec {
ethjson::spec::Engine::Null => Arc::new(NullEngine::new(params, builtins)),
ethjson::spec::Engine::InstantSeal => Arc::new(InstantSeal::new(params, builtins)),
ethjson::spec::Engine::Ethash(ethash) => Arc::new(ethereum::Ethash::new(
spec_params.cache_dir,
params,
From::from(ethash.params),
builtins,
spec_params.optimization_setting,
)),
ethjson::spec::Engine::BasicAuthority(basic_authority) => Arc::new(
BasicAuthority::new(
params,
From::from(
basic_authority.params,
),
builtins,
),
),
ethjson::spec::Engine::AuthorityRound(authority_round) => AuthorityRound::new(
params,
From::from(
authority_round.params,
),
builtins,
).expect(
"Failed to start AuthorityRound consensus engine.",
),
ethjson::spec::Engine::Tendermint(tendermint) => Tendermint::new(
params,
From::from(tendermint.params),
builtins,
).expect(
"Failed to start the Tendermint consensus engine.",
),
ethjson::spec::Engine::Null(null) => Arc::new(NullEngine::new(null.params.into(), machine)),
ethjson::spec::Engine::Ethash(ethash) => Arc::new(::ethereum::Ethash::new(spec_params.cache_dir, ethash.params.into(), machine, spec_params.optimization_setting)),
ethjson::spec::Engine::InstantSeal => Arc::new(InstantSeal::new(machine)),
ethjson::spec::Engine::BasicAuthority(basic_authority) => Arc::new(BasicAuthority::new(basic_authority.params.into(), machine)),
ethjson::spec::Engine::AuthorityRound(authority_round) => AuthorityRound::new(authority_round.params.into(), machine)
.expect("Failed to start AuthorityRound consensus engine."),
ethjson::spec::Engine::Tendermint(tendermint) => Tendermint::new(tendermint.params.into(), machine)
.expect("Failed to start the Tendermint consensus engine."),
}
}
@ -496,15 +506,8 @@ impl Spec {
let mut substate = Substate::new();
{
let mut exec = Executive::new(&mut state, &env_info, self.engine.as_ref());
if let Err(e) = exec.create(
params,
&mut substate,
&mut None,
&mut NoopTracer,
&mut NoopVMTracer,
)
{
let mut exec = Executive::new(&mut state, &env_info, self.engine.machine());
if let Err(e) = exec.create(params, &mut substate, &mut None, &mut NoopTracer, &mut NoopVMTracer) {
warn!(target: "spec", "Genesis constructor execution at {} failed: {}.", address, e);
}
}
@ -639,19 +642,23 @@ impl Spec {
Ok(db)
}
/// Loads just the state machine from a json file.
pub fn load_machine<R: Read>(reader: R) -> Result<EthereumMachine, String> {
ethjson::spec::Spec::load(reader)
.map_err(fmt_err)
.map(load_machine_from)
}
/// Loads spec from json file. Provide factories for executing contracts and ensuring
/// storage goes to the right place.
pub fn load<'a, T: Into<SpecParams<'a>>, R>(params: T, reader: R) -> Result<Self, String>
where
R: Read,
{
fn fmt<F: ::std::fmt::Display>(f: F) -> String {
format!("Spec json is invalid: {}", f)
}
ethjson::spec::Spec::load(reader).map_err(fmt).and_then(
ethjson::spec::Spec::load(reader).map_err(fmt_err).and_then(
|x| {
load_from(params.into(), x).map_err(fmt)
load_from(params.into(), x).map_err(fmt_err)
},
)
}
@ -700,7 +707,7 @@ impl Spec {
db.as_hashdb_mut(),
*genesis.state_root(),
&tx,
&*self.engine,
self.engine.machine(),
&env_info,
factories.clone(),
true,
@ -720,11 +727,12 @@ impl Spec {
load_bundled!("null_morden")
}
/// Create a new Spec which conforms to the Frontier-era Morden chain except that it's a
/// NullEngine consensus with applying reward on block close.
pub fn new_test_with_reward() -> Spec {
load_bundled!("null_morden_with_reward")
}
/// Create the EthereumMachine corresponding to Spec::new_test.
pub fn new_test_machine() -> EthereumMachine { load_machine_bundled!("null_morden") }
/// Create a new Spec which conforms to the Frontier-era Morden chain except that it's a NullEngine consensus with applying reward on block close.
pub fn new_test_with_reward() -> Spec { load_bundled!("null_morden_with_reward") }
/// Create a new Spec which is a NullEngine consensus with a premine of address whose
/// secret is keccak('').
@ -796,7 +804,6 @@ mod tests {
use state::State;
use std::str::FromStr;
use tests::helpers::get_temp_state_db;
use util::*;
use views::*;
// https://github.com/paritytech/parity/issues/1840

112
ethcore/src/state/mod.rs
View File

@ -27,7 +27,7 @@ use std::sync::Arc;
use hash::{KECCAK_NULL_RLP, KECCAK_EMPTY};
use receipt::{Receipt, TransactionOutcome};
use engines::Engine;
use machine::EthereumMachine as Machine;
use vm::EnvInfo;
use error::Error;
use executive::{Executive, TransactOptions};
@ -196,7 +196,7 @@ pub fn check_proof(
proof: &[::util::DBValue],
root: H256,
transaction: &SignedTransaction,
engine: &Engine,
machine: &Machine,
env_info: &EnvInfo,
) -> ProvedExecution {
let backend = self::backend::ProofCheck::new(proof);
@ -206,7 +206,7 @@ pub fn check_proof(
let res = State::from_existing(
backend,
root,
engine.account_start_nonce(env_info.number),
machine.account_start_nonce(env_info.number),
factories
);
@ -216,7 +216,7 @@ pub fn check_proof(
};
let options = TransactOptions::with_no_tracing().save_output_from_contract();
match state.execute(env_info, engine, transaction, options, true) {
match state.execute(env_info, machine, transaction, options, true) {
Ok(executed) => ProvedExecution::Complete(executed),
Err(ExecutionError::Internal(_)) => ProvedExecution::BadProof,
Err(e) => ProvedExecution::Failed(e),
@ -230,7 +230,7 @@ pub fn prove_transaction<H: AsHashDB + Send + Sync>(
db: H,
root: H256,
transaction: &SignedTransaction,
engine: &Engine,
machine: &Machine,
env_info: &EnvInfo,
factories: Factories,
virt: bool,
@ -241,7 +241,7 @@ pub fn prove_transaction<H: AsHashDB + Send + Sync>(
let res = State::from_existing(
backend,
root,
engine.account_start_nonce(env_info.number),
machine.account_start_nonce(env_info.number),
factories,
);
@ -251,7 +251,7 @@ pub fn prove_transaction<H: AsHashDB + Send + Sync>(
};
let options = TransactOptions::with_no_tracing().dont_check_nonce().save_output_from_contract();
match state.execute(env_info, engine, transaction, options, virt) {
match state.execute(env_info, machine, transaction, options, virt) {
Err(ExecutionError::Internal(_)) => None,
Err(e) => {
trace!(target: "state", "Proved call failed: {}", e);
@ -668,13 +668,13 @@ impl<B: Backend> State<B> {
/// Execute a given transaction, producing a receipt and an optional trace.
/// This will change the state accordingly.
pub fn apply(&mut self, env_info: &EnvInfo, engine: &Engine, t: &SignedTransaction, tracing: bool) -> ApplyResult {
pub fn apply(&mut self, env_info: &EnvInfo, machine: &Machine, t: &SignedTransaction, tracing: bool) -> ApplyResult {
if tracing {
let options = TransactOptions::with_tracing();
self.apply_with_tracing(env_info, engine, t, options.tracer, options.vm_tracer)
self.apply_with_tracing(env_info, machine, t, options.tracer, options.vm_tracer)
} else {
let options = TransactOptions::with_no_tracing();
self.apply_with_tracing(env_info, engine, t, options.tracer, options.vm_tracer)
self.apply_with_tracing(env_info, machine, t, options.tracer, options.vm_tracer)
}
}
@ -683,7 +683,7 @@ impl<B: Backend> State<B> {
pub fn apply_with_tracing<V, T>(
&mut self,
env_info: &EnvInfo,
engine: &Engine,
machine: &Machine,
t: &SignedTransaction,
tracer: T,
vm_tracer: V,
@ -692,12 +692,13 @@ impl<B: Backend> State<B> {
V: trace::VMTracer,
{
let options = TransactOptions::new(tracer, vm_tracer);
let e = self.execute(env_info, engine, t, options, false)?;
let e = self.execute(env_info, machine, t, options, false)?;
let params = machine.params();
let eip658 = env_info.number >= engine.params().eip658_transition;
let eip658 = env_info.number >= params.eip658_transition;
let no_intermediate_commits =
eip658 ||
(env_info.number >= engine.params().eip98_transition && env_info.number >= engine.params().validate_receipts_transition);
(env_info.number >= params.eip98_transition && env_info.number >= params.validate_receipts_transition);
let outcome = if no_intermediate_commits {
if eip658 {
@ -726,10 +727,10 @@ impl<B: Backend> State<B> {
//
// `virt` signals that we are executing outside of a block set and restrictions like
// gas limits and gas costs should be lifted.
fn execute<T, V>(&mut self, env_info: &EnvInfo, engine: &Engine, t: &SignedTransaction, options: TransactOptions<T, V>, virt: bool)
fn execute<T, V>(&mut self, env_info: &EnvInfo, machine: &Machine, t: &SignedTransaction, options: TransactOptions<T, V>, virt: bool)
-> Result<Executed, ExecutionError> where T: trace::Tracer, V: trace::VMTracer,
{
let mut e = Executive::new(self, env_info, engine);
let mut e = Executive::new(self, env_info, machine);
match virt {
true => e.transact_virtual(t, options),
@ -1071,6 +1072,7 @@ mod tests {
use bigint::hash::H256;
use util::Address;
use tests::helpers::*;
use machine::EthereumMachine;
use vm::EnvInfo;
use spec::*;
use transaction::*;
@ -1082,6 +1084,12 @@ mod tests {
keccak("").into()
}
fn make_frontier_machine(max_depth: usize) -> EthereumMachine {
let mut machine = ::ethereum::new_frontier_test_machine();
machine.set_schedule_creation_rules(Box::new(move |s, _| s.max_depth = max_depth));
machine
}
#[test]
fn should_apply_create_transaction() {
init_log();
@ -1090,7 +1098,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1102,7 +1110,7 @@ mod tests {
}.sign(&secret(), None);
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
subtraces: 0,
@ -1148,7 +1156,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1160,7 +1168,7 @@ mod tests {
}.sign(&secret(), None);
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
action: trace::Action::Create(trace::Create {
@ -1184,7 +1192,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1197,7 +1205,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("6000").unwrap()).unwrap();
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
action: trace::Action::Call(trace::Call {
@ -1226,7 +1234,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1238,7 +1246,7 @@ mod tests {
}.sign(&secret(), None);
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
action: trace::Action::Call(trace::Call {
@ -1267,7 +1275,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = &*Spec::new_test().engine;
let machine = Spec::new_test_machine();
let t = Transaction {
nonce: 0.into(),
@ -1278,7 +1286,7 @@ mod tests {
data: vec![],
}.sign(&secret(), None);
let result = state.apply(&info, engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
@ -1308,7 +1316,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = &*Spec::new_test().engine;
let machine = Spec::new_test_machine();
let t = Transaction {
nonce: 0.into(),
@ -1320,7 +1328,7 @@ mod tests {
}.sign(&secret(), None);
state.init_code(&0xa.into(), FromHex::from_hex("600060006000600060006001610be0f1").unwrap()).unwrap();
let result = state.apply(&info, engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
@ -1333,7 +1341,7 @@ mod tests {
call_type: CallType::Call,
}),
result: trace::Res::Call(trace::CallResult {
gas_used: U256::from(28_061),
gas_used: U256::from(3_721), // in post-eip150
output: vec![]
}),
subtraces: 0,
@ -1350,7 +1358,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = &*Spec::new_test().engine;
let machine = Spec::new_test_machine();
let t = Transaction {
nonce: 0.into(),
@ -1363,7 +1371,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b611000f2").unwrap()).unwrap();
state.init_code(&0xb.into(), FromHex::from_hex("6000").unwrap()).unwrap();
let result = state.apply(&info, engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
@ -1377,7 +1385,7 @@ mod tests {
call_type: CallType::Call,
}),
result: trace::Res::Call(trace::CallResult {
gas_used: 64.into(),
gas_used: 724.into(), // in post-eip150
output: vec![]
}),
}, FlatTrace {
@ -1409,9 +1417,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
info.number = 0x789b0;
let engine = &*Spec::new_test().engine;
println!("schedule.have_delegate_call: {:?}", engine.schedule(info.number).have_delegate_call);
let machine = Spec::new_test_machine();
let t = Transaction {
nonce: 0.into(),
@ -1424,7 +1430,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("6000600060006000600b618000f4").unwrap()).unwrap();
state.init_code(&0xb.into(), FromHex::from_hex("6000").unwrap()).unwrap();
let result = state.apply(&info, engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
@ -1438,7 +1444,7 @@ mod tests {
call_type: CallType::Call,
}),
result: trace::Res::Call(trace::CallResult {
gas_used: U256::from(61),
gas_used: U256::from(721), // in post-eip150
output: vec![]
}),
}, FlatTrace {
@ -1469,7 +1475,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1482,7 +1488,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("5b600056").unwrap()).unwrap();
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
action: trace::Action::Call(trace::Call {
@ -1508,7 +1514,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1522,7 +1528,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap()).unwrap();
state.init_code(&0xb.into(), FromHex::from_hex("6000").unwrap()).unwrap();
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
@ -1567,7 +1573,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1580,7 +1586,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006045600b6000f1").unwrap()).unwrap();
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
subtraces: 1,
@ -1621,7 +1627,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1634,7 +1640,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("600060006000600060ff600b6000f1").unwrap()).unwrap(); // not enough funds.
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
subtraces: 0,
@ -1663,7 +1669,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1677,7 +1683,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap()).unwrap();
state.init_code(&0xb.into(), FromHex::from_hex("5b600056").unwrap()).unwrap();
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
subtraces: 1,
@ -1718,7 +1724,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1733,7 +1739,7 @@ mod tests {
state.init_code(&0xb.into(), FromHex::from_hex("60006000600060006000600c602b5a03f1").unwrap()).unwrap();
state.init_code(&0xc.into(), FromHex::from_hex("6000").unwrap()).unwrap();
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
subtraces: 1,
@ -1792,7 +1798,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1807,7 +1813,7 @@ mod tests {
state.init_code(&0xb.into(), FromHex::from_hex("60006000600060006000600c602b5a03f1505b601256").unwrap()).unwrap();
state.init_code(&0xc.into(), FromHex::from_hex("6000").unwrap()).unwrap();
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
@ -1864,7 +1870,7 @@ mod tests {
let mut info = EnvInfo::default();
info.gas_limit = 1_000_000.into();
let engine = TestEngine::new(5);
let machine = make_frontier_machine(5);
let t = Transaction {
nonce: 0.into(),
@ -1878,7 +1884,7 @@ mod tests {
state.init_code(&0xa.into(), FromHex::from_hex("73000000000000000000000000000000000000000bff").unwrap()).unwrap();
state.add_balance(&0xa.into(), &50.into(), CleanupMode::NoEmpty).unwrap();
state.add_balance(&t.sender(), &100.into(), CleanupMode::NoEmpty).unwrap();
let result = state.apply(&info, &engine, &t, true).unwrap();
let result = state.apply(&info, &machine, &t, true).unwrap();
let expected_trace = vec![FlatTrace {
trace_address: Default::default(),
subtraces: 1,

2
ethcore/src/tests/client.rs
View File

@ -362,7 +362,7 @@ fn transaction_proof() {
let root = client.best_block_header().state_root();
let mut state = State::from_existing(backend, root, 0.into(), factories.clone()).unwrap();
Executive::new(&mut state, &client.latest_env_info(), &*test_spec.engine)
Executive::new(&mut state, &client.latest_env_info(), test_spec.engine.machine())
.transact(&transaction, TransactOptions::with_no_tracing().dont_check_nonce()).unwrap();
assert_eq!(state.balance(&Address::default()).unwrap(), 5.into());

6
ethcore/src/tests/evm.rs
View File

@ -24,7 +24,7 @@ fn test_blockhash_eip210(factory: Factory) {
let test_blockhash_contract = "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";
let blockhash_contract_code = Arc::new(test_blockhash_contract.from_hex().unwrap());
let blockhash_contract_code_hash = keccak(blockhash_contract_code.as_ref());
let engine = TestEngine::new_constantinople();
let machine = ::ethereum::new_constantinople_test_machine();
let mut env_info = EnvInfo::default();
// populate state with 256 last hashes
@ -46,7 +46,7 @@ fn test_blockhash_eip210(factory: Factory) {
data: Some(H256::from(i - 1).to_vec()),
call_type: CallType::Call,
};
let mut ex = Executive::new(&mut state, &env_info, &engine);
let mut ex = Executive::new(&mut state, &env_info, &machine);
let mut substate = Substate::new();
let mut output = [];
if let Err(e) = ex.call(params, &mut substate, BytesRef::Fixed(&mut output), &mut NoopTracer, &mut NoopVMTracer) {
@ -68,7 +68,7 @@ fn test_blockhash_eip210(factory: Factory) {
data: None,
call_type: CallType::Call,
};
let mut ex = Executive::new(&mut state, &env_info, &engine);
let mut ex = Executive::new(&mut state, &env_info, &machine);
let mut substate = Substate::new();
let mut output = H256::new();
if let Err(e) = ex.call(params, &mut substate, BytesRef::Fixed(&mut output), &mut NoopTracer, &mut NoopVMTracer) {

138
ethcore/src/tests/helpers.rs
View File

@ -14,82 +14,31 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::collections::BTreeMap;
use std::sync::Arc;
use hash::keccak;
use ethkey::KeyPair;
use io::*;
use client::{BlockChainClient, Client, ClientConfig};
use bigint::prelude::U256;
use bigint::hash::H256;
use util::*;
use bytes::Bytes;
use spec::*;
use account_provider::AccountProvider;
use state_db::StateDB;
use bigint::hash::H256;
use bigint::prelude::U256;
use block::{OpenBlock, Drain};
use blockchain::{BlockChain, Config as BlockChainConfig};
use builtin::Builtin;
use state::*;
use evm::{Schedule, Factory as EvmFactory};
use factory::Factories;
use engines::Engine;
use ethereum;
use bytes::Bytes;
use client::{BlockChainClient, Client, ClientConfig};
use ethereum::ethash::EthashParams;
use miner::Miner;
use ethkey::KeyPair;
use evm::Factory as EvmFactory;
use factory::Factories;
use hash::keccak;
use header::Header;
use transaction::{Action, Transaction, SignedTransaction};
use io::*;
use machine::EthashExtensions;
use miner::Miner;
use rlp::{self, RlpStream};
use spec::*;
use state_db::StateDB;
use state::*;
use std::sync::Arc;
use transaction::{Action, Transaction, SignedTransaction};
use util::*;
use views::BlockView;
pub struct TestEngine {
engine: Arc<Engine>,
max_depth: usize,
}
impl TestEngine {
pub fn new(max_depth: usize) -> TestEngine {
TestEngine {
engine: ethereum::new_frontier_test().engine,
max_depth: max_depth,
}
}
pub fn new_byzantium() -> TestEngine {
TestEngine {
engine: ethereum::new_byzantium_test().engine,
max_depth: 0,
}
}
pub fn new_constantinople() -> TestEngine {
TestEngine {
engine: ethereum::new_constantinople_test().engine,
max_depth: 0,
}
}
}
impl Engine for TestEngine {
fn name(&self) -> &str {
"TestEngine"
}
fn params(&self) -> &CommonParams {
self.engine.params()
}
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
self.engine.builtins()
}
fn schedule(&self, _block_number: u64) -> Schedule {
let mut schedule = self.engine.schedule(0);
schedule.max_depth = self.max_depth;
schedule
}
}
// TODO: move everything over to get_null_spec.
pub fn get_test_spec() -> Spec {
Spec::new_test()
@ -233,9 +182,9 @@ pub fn generate_dummy_client_with_spec_accounts_and_data<F>(get_test_spec: F, ac
pub fn push_blocks_to_client(client: &Arc<Client>, timestamp_salt: u64, starting_number: usize, block_number: usize) {
let test_spec = get_test_spec();
let test_engine = &test_spec.engine;
//let test_engine = test_spec.to_engine().unwrap();
let state_root = test_spec.genesis_header().state_root().clone();
let genesis_gas = test_spec.genesis_header().gas_limit().clone();
let mut rolling_hash = client.chain_info().best_block_hash;
let mut rolling_block_number = starting_number as u64;
let mut rolling_timestamp = timestamp_salt + starting_number as u64 * 10;
@ -243,7 +192,7 @@ pub fn push_blocks_to_client(client: &Arc<Client>, timestamp_salt: u64, starting
for _ in 0..block_number {
let mut header = Header::new();
header.set_gas_limit(test_engine.params().min_gas_limit);
header.set_gas_limit(genesis_gas);
header.set_difficulty(U256::from(0x20000));
header.set_timestamp(rolling_timestamp);
header.set_number(rolling_block_number);
@ -272,9 +221,9 @@ pub fn get_test_client_with_blocks(blocks: Vec<Bytes>) -> Arc<Client> {
IoChannel::disconnected(),
).unwrap();
for block in &blocks {
if client.import_block(block.clone()).is_err() {
panic!("panic importing block which is well-formed");
for block in blocks {
if let Err(e) = client.import_block(block) {
panic!("error importing block which is well-formed: {:?}", e);
}
}
client.flush_queue();
@ -344,13 +293,13 @@ pub fn get_good_dummy_block_seq(count: usize) -> Vec<Bytes> {
pub fn get_good_dummy_block_fork_seq(start_number: usize, count: usize, parent_hash: &H256) -> Vec<Bytes> {
let test_spec = get_test_spec();
let test_engine = &test_spec.engine;
let genesis_gas = test_spec.genesis_header().gas_limit().clone();
let mut rolling_timestamp = start_number as u64 * 10;
let mut parent = *parent_hash;
let mut r = Vec::new();
for i in start_number .. start_number + count + 1 {
let mut block_header = Header::new();
block_header.set_gas_limit(test_engine.params().min_gas_limit);
block_header.set_gas_limit(genesis_gas);
block_header.set_difficulty(U256::from(i) * U256([0, 1, 0, 0]));
block_header.set_timestamp(rolling_timestamp);
block_header.set_number(i as u64);
@ -368,8 +317,8 @@ pub fn get_good_dummy_block_fork_seq(start_number: usize, count: usize, parent_h
pub fn get_good_dummy_block_hash() -> (H256, Bytes) {
let mut block_header = Header::new();
let test_spec = get_test_spec();
let test_engine = &test_spec.engine;
block_header.set_gas_limit(test_engine.params().min_gas_limit);
let genesis_gas = test_spec.genesis_header().gas_limit().clone();
block_header.set_gas_limit(genesis_gas);
block_header.set_difficulty(U256::from(0x20000));
block_header.set_timestamp(40);
block_header.set_number(1);
@ -387,8 +336,9 @@ pub fn get_good_dummy_block() -> Bytes {
pub fn get_bad_state_dummy_block() -> Bytes {
let mut block_header = Header::new();
let test_spec = get_test_spec();
let test_engine = &test_spec.engine;
block_header.set_gas_limit(test_engine.params().min_gas_limit);
let genesis_gas = test_spec.genesis_header().gas_limit().clone();
block_header.set_gas_limit(genesis_gas);
block_header.set_difficulty(U256::from(0x20000));
block_header.set_timestamp(40);
block_header.set_number(1);
@ -398,33 +348,35 @@ pub fn get_bad_state_dummy_block() -> Bytes {
create_test_block(&block_header)
}
pub fn get_default_ethash_extensions() -> EthashExtensions {
EthashExtensions {
homestead_transition: 1150000,
eip150_transition: u64::max_value(),
eip160_transition: u64::max_value(),
eip161abc_transition: u64::max_value(),
eip161d_transition: u64::max_value(),
dao_hardfork_transition: u64::max_value(),
dao_hardfork_beneficiary: "0000000000000000000000000000000000000001".into(),
dao_hardfork_accounts: Vec::new(),
}
}
pub fn get_default_ethash_params() -> EthashParams {
EthashParams {
minimum_difficulty: U256::from(131072),
difficulty_bound_divisor: U256::from(2048),
difficulty_increment_divisor: 10,
metropolis_difficulty_increment_divisor: 9,
duration_limit: 13,
homestead_transition: 1150000,
dao_hardfork_transition: u64::max_value(),
dao_hardfork_beneficiary: "0000000000000000000000000000000000000001".into(),
dao_hardfork_accounts: vec![],
duration_limit: 13,
block_reward: 0.into(),
difficulty_hardfork_transition: u64::max_value(),
difficulty_hardfork_bound_divisor: U256::from(0),
bomb_defuse_transition: u64::max_value(),
eip100b_transition: u64::max_value(),
eip150_transition: u64::max_value(),
eip160_transition: u64::max_value(),
eip161abc_transition: u64::max_value(),
eip161d_transition: u64::max_value(),
ecip1010_pause_transition: u64::max_value(),
ecip1010_continue_transition: u64::max_value(),
ecip1017_era_rounds: u64::max_value(),
max_code_size: u64::max_value(),
max_gas_limit_transition: u64::max_value(),
max_gas_limit: U256::max_value(),
min_gas_price_transition: u64::max_value(),
min_gas_price: U256::zero(),
eip649_transition: u64::max_value(),
eip649_delay: 3_000_000,
eip649_reward: None,

4
ethcore/src/tests/trace.rs
View File

@ -65,6 +65,8 @@ fn can_trace_block_and_uncle_reward() {
// block with transaction and uncle
let genesis_header = spec.genesis_header();
let genesis_gas = genesis_header.gas_limit().clone();
let mut db = spec.ensure_db_good(get_temp_state_db(), &Default::default()).unwrap();
let mut rolling_timestamp = 40;
let mut last_hashes = vec![];
@ -165,7 +167,7 @@ fn can_trace_block_and_uncle_reward() {
let uncle_author: Address = "ef2d6d194084c2de36e0dabfce45d046b37d1106".into();
uncle.set_author(uncle_author);
uncle.set_parent_hash(root_header.hash());
uncle.set_gas_limit(U256::from(50_000));
uncle.set_gas_limit(genesis_gas);
uncle.set_number(root_header.number() + 1);
uncle.set_timestamp(rolling_timestamp);
block.push_uncle(uncle).unwrap();

52
ethcore/src/tx_filter.rs
View File

@ -16,15 +16,14 @@
//! Smart contract based transaction filter.
use std::sync::Weak;
use std::collections::HashMap;
use std::collections::hash_map::Entry;
use bigint::hash::H256;
use native_contracts::TransactAcl as Contract;
use client::{EngineClient, BlockId, ChainNotify};
use client::{BlockChainClient, BlockId, ChainNotify};
use util::Address;
use bytes::Bytes;
use parking_lot::{Mutex, RwLock};
use parking_lot::Mutex;
use futures::{self, Future};
use spec::CommonParams;
use transaction::{Action, SignedTransaction};
@ -44,7 +43,6 @@ mod tx_permissions {
/// Connection filter that uses a contract to manage permissions.
pub struct TransactionFilter {
contract: Mutex<Option<Contract>>,
client: RwLock<Option<Weak<EngineClient>>>,
contract_address: Address,
permission_cache: Mutex<HashMap<(H256, Address), u32>>,
}
@ -55,7 +53,6 @@ impl TransactionFilter {
params.transaction_permission_contract.map(|address|
TransactionFilter {
contract: Mutex::new(None),
client: RwLock::new(None),
contract_address: address,
permission_cache: Mutex::new(HashMap::new()),
}
@ -67,24 +64,9 @@ impl TransactionFilter {
self.permission_cache.lock().clear();
}
/// Set client reference to be used for contract call.
pub fn register_client(&self, client: Weak<EngineClient>) {
*self.client.write() = Some(client);
}
/// Check if transaction is allowed at given block.
pub fn transaction_allowed(&self, parent_hash: &H256, transaction: &SignedTransaction) -> bool {
self.client.read().as_ref().map_or(false, |client| {
pub fn transaction_allowed(&self, parent_hash: &H256, transaction: &SignedTransaction, client: &BlockChainClient) -> bool {
let mut cache = self.permission_cache.lock(); let len = cache.len();
let client = match client.upgrade() {
Some(client) => client,
_ => return false,
};
let client = match client.as_full_client() {
Some(client) => client,
_ => return false, // TODO: how to handle verification for light clients?
};
let tx_type = match transaction.action {
Action::Create => tx_permissions::CREATE,
@ -123,7 +105,6 @@ impl TransactionFilter {
permissions & tx_type != 0
}
}
})
}
}
@ -137,7 +118,7 @@ impl ChainNotify for TransactionFilter {
#[cfg(test)]
mod test {
use std::sync::{Arc, Weak};
use std::sync::Arc;
use spec::Spec;
use client::{BlockChainClient, Client, ClientConfig, BlockId};
use miner::Miner;
@ -212,7 +193,6 @@ mod test {
let key4 = KeyPair::from_secret(Secret::from("0000000000000000000000000000000000000000000000000000000000000004")).unwrap();
let filter = TransactionFilter::from_params(spec.params()).unwrap();
filter.register_client(Arc::downgrade(&client) as Weak<_>);
let mut basic_tx = Transaction::default();
basic_tx.action = Action::Call(Address::from("000000000000000000000000000000000000032"));
let create_tx = Transaction::default();
@ -221,21 +201,21 @@ mod test {
let genesis = client.block_hash(BlockId::Latest).unwrap();
assert!(filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key1.secret(), None)));
assert!(filter.transaction_allowed(&genesis, &create_tx.clone().sign(key1.secret(), None)));
assert!(filter.transaction_allowed(&genesis, &call_tx.clone().sign(key1.secret(), None)));
assert!(filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key1.secret(), None), &*client));
assert!(filter.transaction_allowed(&genesis, &create_tx.clone().sign(key1.secret(), None), &*client));
assert!(filter.transaction_allowed(&genesis, &call_tx.clone().sign(key1.secret(), None), &*client));
assert!(filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key2.secret(), None)));
assert!(!filter.transaction_allowed(&genesis, &create_tx.clone().sign(key2.secret(), None)));
assert!(filter.transaction_allowed(&genesis, &call_tx.clone().sign(key2.secret(), None)));
assert!(filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key2.secret(), None), &*client));
assert!(!filter.transaction_allowed(&genesis, &create_tx.clone().sign(key2.secret(), None), &*client));
assert!(filter.transaction_allowed(&genesis, &call_tx.clone().sign(key2.secret(), None), &*client));
assert!(filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key3.secret(), None)));
assert!(!filter.transaction_allowed(&genesis, &create_tx.clone().sign(key3.secret(), None)));
assert!(!filter.transaction_allowed(&genesis, &call_tx.clone().sign(key3.secret(), None)));
assert!(filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key3.secret(), None), &*client));
assert!(!filter.transaction_allowed(&genesis, &create_tx.clone().sign(key3.secret(), None), &*client));
assert!(!filter.transaction_allowed(&genesis, &call_tx.clone().sign(key3.secret(), None), &*client));
assert!(!filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key4.secret(), None)));
assert!(!filter.transaction_allowed(&genesis, &create_tx.clone().sign(key4.secret(), None)));
assert!(!filter.transaction_allowed(&genesis, &call_tx.clone().sign(key4.secret(), None)));
assert!(!filter.transaction_allowed(&genesis, &basic_tx.clone().sign(key4.secret(), None), &*client));
assert!(!filter.transaction_allowed(&genesis, &create_tx.clone().sign(key4.secret(), None), &*client));
assert!(!filter.transaction_allowed(&genesis, &call_tx.clone().sign(key4.secret(), None), &*client));
}
}

17
ethcore/src/verification/canon_verifier.rs
View File

@ -16,8 +16,7 @@
//! Canonical verifier.
use blockchain::BlockProvider;
use engines::Engine;
use engines::EthEngine;
use error::Error;
use header::Header;
use super::Verifier;
@ -27,15 +26,21 @@ use super::verification;
pub struct CanonVerifier;
impl Verifier for CanonVerifier {
fn verify_block_family(&self, header: &Header, bytes: &[u8], engine: &Engine, bc: &BlockProvider) -> Result<(), Error> {
verification::verify_block_family(header, bytes, engine, bc)
fn verify_block_family(
&self,
header: &Header,
parent: &Header,
engine: &EthEngine,
do_full: Option<verification::FullFamilyParams>,
) -> Result<(), Error> {
verification::verify_block_family(header, parent, engine, do_full)
}
fn verify_block_final(&self, expected: &Header, got: &Header) -> Result<(), Error> {
verification::verify_block_final(expected, got)
}
fn verify_block_external(&self, header: &Header, bytes: &[u8], engine: &Engine) -> Result<(), Error> {
engine.verify_block_external(header, Some(bytes))
fn verify_block_external(&self, header: &Header, engine: &EthEngine) -> Result<(), Error> {
engine.verify_block_external(header)
}
}

15
ethcore/src/verification/noop_verifier.rs
View File

@ -16,18 +16,23 @@
//! No-op verifier.
use blockchain::BlockProvider;
use engines::Engine;
use engines::EthEngine;
use error::Error;
use header::Header;
use super::Verifier;
use super::{verification, Verifier};
/// A no-op verifier -- this will verify everything it's given immediately.
#[allow(dead_code)]
pub struct NoopVerifier;
impl Verifier for NoopVerifier {
fn verify_block_family(&self, _header: &Header, _bytes: &[u8], _engine: &Engine, _bc: &BlockProvider) -> Result<(), Error> {
fn verify_block_family(
&self,
_: &Header,
_t: &Header,
_: &EthEngine,
_: Option<verification::FullFamilyParams>
) -> Result<(), Error> {
Ok(())
}
@ -35,7 +40,7 @@ impl Verifier for NoopVerifier {
Ok(())
}
fn verify_block_external(&self, _header: &Header, _bytes: &[u8], _engine: &Engine) -> Result<(), Error> {
fn verify_block_external(&self, _header: &Header, _engine: &EthEngine) -> Result<(), Error> {
Ok(())
}
}

20
ethcore/src/verification/queue/kind.rs
View File

@ -16,7 +16,7 @@
//! Definition of valid items for the verification queue.
use engines::Engine;
use engines::EthEngine;
use error::Error;
use heapsize::HeapSizeOf;
@ -59,17 +59,17 @@ pub trait Kind: 'static + Sized + Send + Sync {
type Verified: Sized + Send + BlockLike + HeapSizeOf;
/// Attempt to create the `Unverified` item from the input.
fn create(input: Self::Input, engine: &Engine) -> Result<Self::Unverified, Error>;
fn create(input: Self::Input, engine: &EthEngine) -> Result<Self::Unverified, Error>;
/// Attempt to verify the `Unverified` item using the given engine.
fn verify(unverified: Self::Unverified, engine: &Engine, check_seal: bool) -> Result<Self::Verified, Error>;
fn verify(unverified: Self::Unverified, engine: &EthEngine, check_seal: bool) -> Result<Self::Verified, Error>;
}
/// The blocks verification module.
pub mod blocks {
use super::{Kind, BlockLike};
use engines::Engine;
use engines::EthEngine;
use error::Error;
use header::Header;
use verification::{PreverifiedBlock, verify_block_basic, verify_block_unordered};
@ -87,7 +87,7 @@ pub mod blocks {
type Unverified = Unverified;
type Verified = PreverifiedBlock;
fn create(input: Self::Input, engine: &Engine) -> Result<Self::Unverified, Error> {
fn create(input: Self::Input, engine: &EthEngine) -> Result<Self::Unverified, Error> {
match verify_block_basic(&input.header, &input.bytes, engine) {
Ok(()) => Ok(input),
Err(e) => {
@ -97,7 +97,7 @@ pub mod blocks {
}
}
fn verify(un: Self::Unverified, engine: &Engine, check_seal: bool) -> Result<Self::Verified, Error> {
fn verify(un: Self::Unverified, engine: &EthEngine, check_seal: bool) -> Result<Self::Verified, Error> {
let hash = un.hash();
match verify_block_unordered(un.header, un.bytes, engine, check_seal) {
Ok(verified) => Ok(verified),
@ -167,7 +167,7 @@ pub mod blocks {
pub mod headers {
use super::{Kind, BlockLike};
use engines::Engine;
use engines::EthEngine;
use error::Error;
use header::Header;
use verification::verify_header_params;
@ -189,13 +189,13 @@ pub mod headers {
type Unverified = Header;
type Verified = Header;
fn create(input: Self::Input, engine: &Engine) -> Result<Self::Unverified, Error> {
fn create(input: Self::Input, engine: &EthEngine) -> Result<Self::Unverified, Error> {
verify_header_params(&input, engine, true).map(|_| input)
}
fn verify(unverified: Self::Unverified, engine: &Engine, check_seal: bool) -> Result<Self::Verified, Error> {
fn verify(unverified: Self::Unverified, engine: &EthEngine, check_seal: bool) -> Result<Self::Verified, Error> {
match check_seal {
true => engine.verify_block_unordered(&unverified, None).map(|_| unverified),
true => engine.verify_block_unordered(&unverified,).map(|_| unverified),
false => Ok(unverified),
}
}

8
ethcore/src/verification/queue/mod.rs
View File

@ -28,7 +28,7 @@ use bigint::hash::H256;
use parking_lot::{Condvar, Mutex, RwLock};
use io::*;
use error::*;
use engines::Engine;
use engines::EthEngine;
use service::*;
use self::kind::{BlockLike, Kind};
@ -141,7 +141,7 @@ struct Sizes {
/// A queue of items to be verified. Sits between network or other I/O and the `BlockChain`.
/// Keeps them in the same order as inserted, minus invalid items.
pub struct VerificationQueue<K: Kind> {
engine: Arc<Engine>,
engine: Arc<EthEngine>,
more_to_verify: Arc<SCondvar>,
verification: Arc<Verification<K>>,
deleting: Arc<AtomicBool>,
@ -213,7 +213,7 @@ struct Verification<K: Kind> {
impl<K: Kind> VerificationQueue<K> {
/// Creates a new queue instance.
pub fn new(config: Config, engine: Arc<Engine>, message_channel: IoChannel<ClientIoMessage>, check_seal: bool) -> Self {
pub fn new(config: Config, engine: Arc<EthEngine>, message_channel: IoChannel<ClientIoMessage>, check_seal: bool) -> Self {
let verification = Arc::new(Verification {
unverified: Mutex::new(VecDeque::new()),
verifying: Mutex::new(VecDeque::new()),
@ -294,7 +294,7 @@ impl<K: Kind> VerificationQueue<K> {
fn verify(
verification: Arc<Verification<K>>,
engine: Arc<Engine>,
engine: Arc<EthEngine>,
wait: Arc<SCondvar>,
ready: Arc<QueueSignal>,
empty: Arc<SCondvar>,

147
ethcore/src/verification/verification.rs
View File

@ -22,20 +22,24 @@
//! 3. Final verification against the blockchain done before enactment.
use std::collections::HashSet;
use hash::keccak;
use triehash::ordered_trie_root;
use heapsize::HeapSizeOf;
use bigint::hash::H256;
use unexpected::{Mismatch, OutOfBounds};
use bytes::Bytes;
use engines::Engine;
use error::{BlockError, Error};
use blockchain::*;
use client::BlockChainClient;
use engines::EthEngine;
use error::{BlockError, Error};
use header::{BlockNumber, Header};
use rlp::UntrustedRlp;
use transaction::SignedTransaction;
use views::BlockView;
use bigint::hash::H256;
use bigint::prelude::U256;
use bytes::Bytes;
use hash::keccak;
use heapsize::HeapSizeOf;
use rlp::UntrustedRlp;
use time::get_time;
use triehash::ordered_trie_root;
use unexpected::{Mismatch, OutOfBounds};
/// Preprocessed block data gathered in `verify_block_unordered` call
pub struct PreverifiedBlock {
@ -56,14 +60,14 @@ impl HeapSizeOf for PreverifiedBlock {
}
/// Phase 1 quick block verification. Only does checks that are cheap. Operates on a single block
pub fn verify_block_basic(header: &Header, bytes: &[u8], engine: &Engine) -> Result<(), Error> {
pub fn verify_block_basic(header: &Header, bytes: &[u8], engine: &EthEngine) -> Result<(), Error> {
verify_header_params(&header, engine, true)?;
verify_block_integrity(bytes, &header.transactions_root(), &header.uncles_hash())?;
engine.verify_block_basic(&header, Some(bytes))?;
engine.verify_block_basic(&header)?;
for u in UntrustedRlp::new(bytes).at(2)?.iter().map(|rlp| rlp.as_val::<Header>()) {
let u = u?;
verify_header_params(&u, engine, false)?;
engine.verify_block_basic(&u, None)?;
engine.verify_block_basic(&u)?;
}
// Verify transactions.
// TODO: either use transaction views or cache the decoded transactions.
@ -77,11 +81,11 @@ pub fn verify_block_basic(header: &Header, bytes: &[u8], engine: &Engine) -> Res
/// Phase 2 verification. Perform costly checks such as transaction signatures and block nonce for ethash.
/// Still operates on a individual block
/// Returns a `PreverifiedBlock` structure populated with transactions
pub fn verify_block_unordered(header: Header, bytes: Bytes, engine: &Engine, check_seal: bool) -> Result<PreverifiedBlock, Error> {
pub fn verify_block_unordered(header: Header, bytes: Bytes, engine: &EthEngine, check_seal: bool) -> Result<PreverifiedBlock, Error> {
if check_seal {
engine.verify_block_unordered(&header, Some(&bytes))?;
engine.verify_block_unordered(&header)?;
for u in UntrustedRlp::new(&bytes).at(2)?.iter().map(|rlp| rlp.as_val::<Header>()) {
engine.verify_block_unordered(&u?, None)?;
engine.verify_block_unordered(&u?)?;
}
}
// Verify transactions.
@ -92,7 +96,7 @@ pub fn verify_block_unordered(header: Header, bytes: Bytes, engine: &Engine, che
{
let v = BlockView::new(&bytes);
for t in v.transactions() {
let t = engine.verify_transaction(t, &header)?;
let t = engine.verify_transaction_unordered(t, &header)?;
if let Some(max_nonce) = nonce_cap {
if t.nonce >= max_nonce {
return Err(BlockError::TooManyTransactions(t.sender()).into());
@ -108,13 +112,30 @@ pub fn verify_block_unordered(header: Header, bytes: Bytes, engine: &Engine, che
})
}
/// Phase 3 verification. Check block information against parent and uncles.
pub fn verify_block_family(header: &Header, bytes: &[u8], engine: &Engine, bc: &BlockProvider) -> Result<(), Error> {
// TODO: verify timestamp
let parent = bc.block_header(&header.parent_hash()).ok_or_else(|| Error::from(BlockError::UnknownParent(header.parent_hash().clone())))?;
verify_parent(&header, &parent)?;
engine.verify_block_family(&header, &parent, Some(bytes))?;
/// Parameters for full verification of block family: block bytes, transactions, blockchain, and state access.
pub type FullFamilyParams<'a> = (&'a [u8], &'a [SignedTransaction], &'a BlockProvider, &'a BlockChainClient);
/// Phase 3 verification. Check block information against parent and uncles.
pub fn verify_block_family(header: &Header, parent: &Header, engine: &EthEngine, do_full: Option<FullFamilyParams>) -> Result<(), Error> {
// TODO: verify timestamp
verify_parent(&header, &parent, engine.params().gas_limit_bound_divisor)?;
engine.verify_block_family(&header, &parent)?;
let (bytes, txs, bc, client) = match do_full {
Some(x) => x,
None => return Ok(()),
};
verify_uncles(header, bytes, bc, engine)?;
for transaction in txs {
engine.machine().verify_transaction(transaction, header, client)?;
}
Ok(())
}
fn verify_uncles(header: &Header, bytes: &[u8], bc: &BlockProvider, engine: &EthEngine) -> Result<(), Error> {
let num_uncles = UntrustedRlp::new(bytes).at(2)?.item_count()?;
if num_uncles != 0 {
if num_uncles > engine.maximum_uncle_count() {
@ -189,11 +210,12 @@ pub fn verify_block_family(header: &Header, bytes: &[u8], engine: &Engine, bc: &
return Err(From::from(BlockError::UncleParentNotInChain(uncle_parent.hash())));
}
verify_parent(&uncle, &uncle_parent)?;
engine.verify_block_family(&uncle, &uncle_parent, Some(bytes))?;
verify_parent(&uncle, &uncle_parent, engine.params().gas_limit_bound_divisor)?;
engine.verify_block_family(&uncle, &uncle_parent)?;
verified.insert(uncle.hash());
}
}
Ok(())
}
@ -215,7 +237,13 @@ pub fn verify_block_final(expected: &Header, got: &Header) -> Result<(), Error>
}
/// Check basic header parameters.
pub fn verify_header_params(header: &Header, engine: &Engine, is_full: bool) -> Result<(), Error> {
pub fn verify_header_params(header: &Header, engine: &EthEngine, is_full: bool) -> Result<(), Error> {
if header.seal().len() != engine.seal_fields() {
return Err(From::from(BlockError::InvalidSealArity(
Mismatch { expected: engine.seal_fields(), found: header.seal().len() }
)));
}
if header.number() >= From::from(BlockNumber::max_value()) {
return Err(From::from(BlockError::RidiculousNumber(OutOfBounds { max: Some(From::from(BlockNumber::max_value())), min: None, found: header.number() })))
}
@ -230,6 +258,15 @@ pub fn verify_header_params(header: &Header, engine: &Engine, is_full: bool) ->
if header.number() != 0 && header.extra_data().len() > maximum_extra_data_size {
return Err(From::from(BlockError::ExtraDataOutOfBounds(OutOfBounds { min: None, max: Some(maximum_extra_data_size), found: header.extra_data().len() })));
}
if let Some(ref ext) = engine.machine().ethash_extensions() {
if header.number() >= ext.dao_hardfork_transition &&
header.number() <= ext.dao_hardfork_transition + 9 &&
header.extra_data()[..] != b"dao-hard-fork"[..] {
return Err(From::from(BlockError::ExtraDataOutOfBounds(OutOfBounds { min: None, max: None, found: 0 })));
}
}
if is_full {
let max_time = get_time().sec as u64 + 30;
if header.timestamp() > max_time {
@ -240,7 +277,7 @@ pub fn verify_header_params(header: &Header, engine: &Engine, is_full: bool) ->
}
/// Check header parameters agains parent header.
fn verify_parent(header: &Header, parent: &Header) -> Result<(), Error> {
fn verify_parent(header: &Header, parent: &Header, gas_limit_divisor: U256) -> Result<(), Error> {
if !header.parent_hash().is_zero() && &parent.hash() != header.parent_hash() {
return Err(From::from(BlockError::InvalidParentHash(Mismatch { expected: parent.hash(), found: header.parent_hash().clone() })))
}
@ -250,6 +287,18 @@ fn verify_parent(header: &Header, parent: &Header) -> Result<(), Error> {
if header.number() != parent.number() + 1 {
return Err(From::from(BlockError::InvalidNumber(Mismatch { expected: parent.number() + 1, found: header.number() })));
}
if header.number() == 0 {
return Err(BlockError::RidiculousNumber(OutOfBounds { min: Some(1), max: None, found: header.number() }).into());
}
let parent_gas_limit = *parent.gas_limit();
let min_gas = parent_gas_limit - parent_gas_limit / gas_limit_divisor;
let max_gas = parent_gas_limit + parent_gas_limit / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
return Err(From::from(BlockError::InvalidGasLimit(OutOfBounds { min: Some(min_gas), max: Some(max_gas), found: header.gas_limit().clone() })));
}
Ok(())
}
@ -285,7 +334,7 @@ mod tests {
use error::BlockError::*;
use views::*;
use blockchain::*;
use engines::Engine;
use engines::EthEngine;
use spec::*;
use transaction::*;
use tests::helpers::*;
@ -406,17 +455,38 @@ mod tests {
}
}
fn basic_test(bytes: &[u8], engine: &Engine) -> Result<(), Error> {
fn basic_test(bytes: &[u8], engine: &EthEngine) -> Result<(), Error> {
let header = BlockView::new(bytes).header();
verify_block_basic(&header, bytes, engine)
}
fn family_test<BC>(bytes: &[u8], engine: &Engine, bc: &BC) -> Result<(), Error> where BC: BlockProvider {
let header = BlockView::new(bytes).header();
verify_block_family(&header, bytes, engine, bc)
fn family_test<BC>(bytes: &[u8], engine: &EthEngine, bc: &BC) -> Result<(), Error> where BC: BlockProvider {
let view = BlockView::new(bytes);
let header = view.header();
let transactions: Vec<_> = view.transactions()
.into_iter()
.map(SignedTransaction::new)
.collect::<Result<_,_>>()?;
// TODO: client is really meant to be used for state query here by machine
// additions that need access to state (tx filter in specific)
// no existing tests need access to test, so having this not function
// is fine.
let client = ::client::TestBlockChainClient::default();
let parent = bc.block_header(header.parent_hash())
.ok_or(BlockError::UnknownParent(header.parent_hash().clone()))?;
let full_params: FullFamilyParams = (
bytes,
&transactions[..],
bc as &BlockProvider,
&client as &::client::BlockChainClient
);
verify_block_family(&header, &parent, engine, Some(full_params))
}
fn unordered_test(bytes: &[u8], engine: &Engine) -> Result<(), Error> {
fn unordered_test(bytes: &[u8], engine: &EthEngine) -> Result<(), Error> {
let header = BlockView::new(bytes).header();
verify_block_unordered(header, bytes.to_vec(), engine, false)?;
Ok(())
@ -590,6 +660,15 @@ mod tests {
check_fail(family_test(&create_test_block_with_data(&header, &good_transactions, &bad_uncles), engine, &bc),
DuplicateUncle(good_uncle1.hash()));
header = good.clone();
header.set_gas_limit(0.into());
header.set_difficulty("0000000000000000000000000000000000000000000000000000000000020000".parse::<U256>().unwrap());
match family_test(&create_test_block(&header), engine, &bc) {
Err(Error::Block(InvalidGasLimit(_))) => {},
Err(_) => { panic!("should be invalid difficulty fail"); },
_ => { panic!("Should be error, got Ok"); },
}
// TODO: some additional uncle checks
}
@ -597,6 +676,7 @@ mod tests {
fn dust_protection() {
use ethkey::{Generator, Random};
use transaction::{Transaction, Action};
use machine::EthereumMachine;
use engines::NullEngine;
let mut params = CommonParams::default();
@ -618,7 +698,8 @@ mod tests {
let good_transactions = [bad_transactions[0].clone(), bad_transactions[1].clone()];
let engine = NullEngine::new(params, BTreeMap::new());
let machine = EthereumMachine::regular(params, BTreeMap::new());
let engine = NullEngine::new(Default::default(), machine);
check_fail(unordered_test(&create_test_block_with_data(&header, &bad_transactions, &[]), &engine), TooManyTransactions(keypair.address()));
unordered_test(&create_test_block_with_data(&header, &good_transactions, &[]), &engine).unwrap();
}

15
ethcore/src/verification/verifier.rs
View File

@ -16,17 +16,24 @@
//! A generic verifier trait.
use blockchain::BlockProvider;
use engines::Engine;
use engines::EthEngine;
use error::Error;
use header::Header;
use super::verification;
/// Should be used to verify blocks.
pub trait Verifier: Send + Sync {
/// Verify a block relative to its parent and uncles.
fn verify_block_family(&self, header: &Header, bytes: &[u8], engine: &Engine, bc: &BlockProvider) -> Result<(), Error>;
fn verify_block_family(
&self,
header: &Header,
parent: &Header,
engine: &EthEngine,
do_full: Option<verification::FullFamilyParams>
) -> Result<(), Error>;
/// Do a final verification check for an enacted header vs its expected counterpart.
fn verify_block_final(&self, expected: &Header, got: &Header) -> Result<(), Error>;
/// Verify a block, inspecing external state.
fn verify_block_external(&self, header: &Header, bytes: &[u8], engine: &Engine) -> Result<(), Error>;
fn verify_block_external(&self, header: &Header, engine: &EthEngine) -> Result<(), Error>;
}

7
json/src/spec/authority_round.rs
View File

@ -40,6 +40,9 @@ pub struct AuthorityRoundParams {
/// Whether transitions should be immediate.
#[serde(rename="immediateTransitions")]
pub immediate_transitions: Option<bool>,
/// Reward per block in wei.
#[serde(rename="blockReward")]
pub block_reward: Option<Uint>,
}
/// Authority engine deserialization.
@ -67,7 +70,8 @@ mod tests {
"list" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
},
"startStep" : 24,
"validateStepTransition": 150
"validateStepTransition": 150,
"blockReward": 5000000
}
}"#;
@ -76,5 +80,6 @@ mod tests {
assert_eq!(deserialized.params.validators, ValidatorSet::List(vec![Address(H160::from("0xc6d9d2cd449a754c494264e1809c50e34d64562b"))]));
assert_eq!(deserialized.params.start_step, Some(Uint(U256::from(24))));
assert_eq!(deserialized.params.immediate_transitions, None);
}
}

25
json/src/spec/engine.rs
View File

@ -16,14 +16,14 @@
//! Engine deserialization.
use super::{Ethash, BasicAuthority, AuthorityRound, Tendermint};
use super::{Ethash, BasicAuthority, AuthorityRound, Tendermint, NullEngine};
/// Engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub enum Engine {
/// Null engine.
#[serde(rename="null")]
Null,
Null(NullEngine),
/// Instantly sealing engine.
#[serde(rename="instantSeal")]
InstantSeal,
@ -48,11 +48,18 @@ mod tests {
#[test]
fn engine_deserialization() {
let s = r#"{
"null": null
"null": {
"params": {
"blockReward": "0x0d"
}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
assert_eq!(Engine::Null, deserialized);
match deserialized {
Engine::Null(_) => {}, // unit test in its own file.
_ => panic!(),
}
let s = r#"{
"instantSeal": null
@ -61,7 +68,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::InstantSeal => {}, // instant seal is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@ -82,7 +89,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Ethash(_) => {}, // ethash is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@ -98,7 +105,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::BasicAuthority(_) => {}, // basicAuthority is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@ -116,7 +123,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::AuthorityRound(_) => {}, // AuthorityRound is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@ -131,7 +138,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Tendermint(_) => {}, // Tendermint is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
}
}

39
json/src/spec/ethash.rs
View File

@ -20,7 +20,7 @@ use uint::Uint;
use hash::Address;
/// Deserializable doppelganger of EthashParams.
#[derive(Debug, PartialEq, Deserialize)]
#[derive(Clone, Debug, PartialEq, Deserialize)]
pub struct EthashParams {
/// See main EthashParams docs.
#[serde(rename="minimumDifficulty")]
@ -41,6 +41,9 @@ pub struct EthashParams {
/// See main EthashParams docs.
#[serde(rename="homesteadTransition")]
pub homestead_transition: Option<Uint>,
/// Reward per block in wei.
#[serde(rename="blockReward")]
pub block_reward: Option<Uint>,
/// See main EthashParams docs.
#[serde(rename="daoHardforkTransition")]
@ -91,27 +94,6 @@ pub struct EthashParams {
/// See main EthashParams docs.
#[serde(rename="ecip1017EraRounds")]
pub ecip1017_era_rounds: Option<Uint>,
/// See main EthashParams docs.
#[serde(rename="maxCodeSize")]
pub max_code_size: Option<Uint>,
/// See main EthashParams docs.
#[serde(rename="maxGasLimitTransition")]
pub max_gas_limit_transition: Option<Uint>,
/// See main EthashParams docs.
#[serde(rename="maxGasLimit")]
pub max_gas_limit: Option<Uint>,
/// See main EthashParams docs.
#[serde(rename="minGasPriceTransition")]
pub min_gas_price_transition: Option<Uint>,
/// See main EthashParams docs.
#[serde(rename="minGasPrice")]
pub min_gas_price: Option<Uint>,
/// EIP-649 transition block.
#[serde(rename="eip649Transition")]
pub eip649_transition: Option<Uint>,
@ -148,6 +130,7 @@ mod tests {
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"homesteadTransition": "0x42",
"blockReward": "0x100",
"daoHardforkTransition": "0x08",
"daoHardforkBeneficiary": "0xabcabcabcabcabcabcabcabcabcabcabcabcabca",
"daoHardforkAccounts": [
@ -193,6 +176,7 @@ mod tests {
metropolis_difficulty_increment_divisor: None,
duration_limit: Some(Uint(U256::from(0x0d))),
homestead_transition: Some(Uint(U256::from(0x42))),
block_reward: Some(Uint(U256::from(0x100))),
dao_hardfork_transition: Some(Uint(U256::from(0x08))),
dao_hardfork_beneficiary: Some(Address(H160::from("0xabcabcabcabcabcabcabcabcabcabcabcabcabca"))),
dao_hardfork_accounts: Some(vec![
@ -228,11 +212,6 @@ mod tests {
ecip1010_pause_transition: None,
ecip1010_continue_transition: None,
ecip1017_era_rounds: None,
max_code_size: None,
max_gas_limit_transition: None,
max_gas_limit: None,
min_gas_price_transition: None,
min_gas_price: None,
eip649_transition: None,
eip649_delay: None,
eip649_reward: None,
@ -258,6 +237,7 @@ mod tests {
metropolis_difficulty_increment_divisor: None,
duration_limit: None,
homestead_transition: None,
block_reward: None,
dao_hardfork_transition: None,
dao_hardfork_beneficiary: None,
dao_hardfork_accounts: None,
@ -272,11 +252,6 @@ mod tests {
ecip1010_pause_transition: None,
ecip1010_continue_transition: None,
ecip1017_era_rounds: None,
max_code_size: None,
max_gas_limit_transition: None,
max_gas_limit: None,
min_gas_price_transition: None,
min_gas_price: None,
eip649_transition: None,
eip649_delay: None,
eip649_reward: None,

2
json/src/spec/mod.rs
View File

@ -29,6 +29,7 @@ pub mod validator_set;
pub mod basic_authority;
pub mod authority_round;
pub mod tendermint;
pub mod null_engine;
pub use self::account::Account;
pub use self::builtin::{Builtin, Pricing, Linear};
@ -43,3 +44,4 @@ pub use self::validator_set::ValidatorSet;
pub use self::basic_authority::{BasicAuthority, BasicAuthorityParams};
pub use self::authority_round::{AuthorityRound, AuthorityRoundParams};
pub use self::tendermint::{Tendermint, TendermintParams};
pub use self::null_engine::{NullEngine, NullEngineParams};

54
json/src/spec/null_engine.rs Normal file
View File

@ -0,0 +1,54 @@
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Null engine params deserialization.
use uint::Uint;
/// Authority params deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct NullEngineParams {
/// Block reward.
#[serde(rename="blockReward")]
pub block_reward: Option<Uint>,
}
/// Null engine descriptor
#[derive(Debug, PartialEq, Deserialize)]
pub struct NullEngine {
/// Ethash params.
pub params: NullEngineParams,
}
#[cfg(test)]
mod tests {
use serde_json;
use uint::Uint;
use bigint::prelude::U256;
use super::*;
#[test]
fn null_engine_deserialization() {
let s = r#"{
"params": {
"blockReward": "0x0d"
}
}"#;
let deserialized: NullEngine = serde_json::from_str(s).unwrap();
assert_eq!(deserialized.params.block_reward, Some(Uint(U256::from(0x0d))));
}
}

10
json/src/spec/params.rs
View File

@ -101,9 +101,6 @@ pub struct Params {
#[serde(rename="gasLimitBoundDivisor")]
pub gas_limit_bound_divisor: Uint,
/// See `CommonParams` docs.
#[serde(rename="blockReward")]
pub block_reward: Option<Uint>,
/// See `CommonParams` docs.
pub registrar: Option<Address>,
/// Apply reward flag
#[serde(rename="applyReward")]
@ -111,6 +108,9 @@ pub struct Params {
/// Node permission contract address.
#[serde(rename="nodePermissionContract")]
pub node_permission_contract: Option<Address>,
/// See main EthashParams docs.
#[serde(rename="maxCodeSize")]
pub max_code_size: Option<Uint>,
/// Transaction permission contract address.
#[serde(rename="transactionPermissionContract")]
pub transaction_permission_contract: Option<Address>,
@ -132,7 +132,8 @@ mod tests {
"subprotocolName" : "exp",
"minGasLimit": "0x1388",
"accountStartNonce": "0x01",
"gasLimitBoundDivisor": "0x20"
"gasLimitBoundDivisor": "0x20",
"maxCodeSize": "0x1000"
}"#;
let deserialized: Params = serde_json::from_str(s).unwrap();
@ -143,5 +144,6 @@ mod tests {
assert_eq!(deserialized.min_gas_limit, Uint(U256::from(0x1388)));
assert_eq!(deserialized.account_start_nonce, Some(Uint(U256::from(0x01))));
assert_eq!(deserialized.gas_limit_bound_divisor, Uint(U256::from(0x20)));
assert_eq!(deserialized.max_code_size, Some(Uint(U256::from(0x1000))));
}
}

3
json/src/spec/tendermint.rs
View File

@ -36,6 +36,9 @@ pub struct TendermintParams {
/// Commit step timeout in milliseconds.
#[serde(rename="timeoutCommit")]
pub timeout_commit: Option<Uint>,
/// Reward per block.
#[serde(rename="blockReward")]
pub block_reward: Option<Uint>,
}
/// Tendermint engine deserialization.

9
machine/Cargo.toml Normal file
View File

@ -0,0 +1,9 @@
[package]
name = "parity-machine"
version = "0.1.0"
description = "Generalization of a state machine for consensus engines"
authors = ["Parity Technologies <admin@parity.io>"]
[dependencies]
ethcore-util = { path = "../util" }
ethcore-bigint = { path = "../util/bigint" }

120
machine/src/lib.rs Normal file
View File

@ -0,0 +1,120 @@
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Generalization of a state machine for a consensus engine.
//! This will define traits for the header, block, and state of a blockchain.
extern crate ethcore_util as util;
extern crate ethcore_bigint as bigint;
use bigint::hash::H256;
use bigint::prelude::U256;
use util::Address;
/// A header. This contains important metadata about the block, as well as a
/// "seal" that indicates validity to a consensus engine.
pub trait Header {
/// Cryptographic hash of the header, excluding the seal.
fn bare_hash(&self) -> H256;
/// Cryptographic hash of the header, including the seal.
fn hash(&self) -> H256;
/// Get a reference to the seal fields.
fn seal(&self) -> &[Vec<u8>];
/// The author of the header.
fn author(&self) -> &Address;
/// The number of the header.
fn number(&self) -> u64;
}
/// a header with an associated score (difficulty in PoW terms)
pub trait ScoredHeader: Header {
/// Get the score of this header.
fn score(&self) -> &U256;
/// Set the score of this header.
fn set_score(&mut self, score: U256);
}
/// A "live" block is one which is in the process of the transition.
/// The state of this block can be mutated by arbitrary rules of the
/// state transition function.
pub trait LiveBlock: 'static {
/// The block header type;
type Header: Header;
/// Get a reference to the header.
fn header(&self) -> &Self::Header;
/// Get a reference to the uncle headers. If the block type doesn't
/// support uncles, return the empty slice.
fn uncles(&self) -> &[Self::Header];
}
/// Trait for blocks which have a transaction type.
pub trait Transactions: LiveBlock {
/// The transaction type.
type Transaction;
/// Get a reference to the transactions in this block.
fn transactions(&self) -> &[Self::Transaction];
}
/// Generalization of types surrounding blockchain-suitable state machines.
pub trait Machine: for<'a> LocalizedMachine<'a> {
/// The block header type.
type Header: Header;
/// The live block type.
type LiveBlock: LiveBlock<Header=Self::Header>;
/// A handle to a blockchain client for this machine.
type EngineClient: ?Sized;
/// A description of needed auxiliary data.
type AuxiliaryRequest;
/// Errors which can occur when querying or interacting with the machine.
type Error;
}
/// Machine-related types localized to a specific lifetime.
// TODO: this is a workaround for a lack of associated type constructors in the language.
pub trait LocalizedMachine<'a>: Sync + Send {
/// Definition of auxiliary data associated to a specific block.
type AuxiliaryData: 'a;
/// A context providing access to the state in a controlled capacity.
/// Generally also provides verifiable proofs.
type StateContext: ?Sized + 'a;
}
/// A state machine that uses balances.
pub trait WithBalances: Machine {
/// Get the balance, in base units, associated with an account.
/// Extracts data from the live block.
fn balance(&self, live: &Self::LiveBlock, address: &Address) -> Result<U256, Self::Error>;
/// Increment the balance of an account in the state of the live block.
fn add_balance(&self, live: &mut Self::LiveBlock, address: &Address, amount: &U256) -> Result<(), Self::Error>;
/// Note block rewards. "direct" rewards are for authors, "indirect" are for e.g. uncles.
fn note_rewards(
&self,
_live: &mut Self::LiveBlock,
_direct: &[(Address, U256)],
_indirect: &[(Address, U256)],
) -> Result<(), Self::Error> { Ok(()) }
}

5
parity/light_helpers/epoch_fetch.rs
View File

@ -17,8 +17,9 @@
use std::sync::{Arc, Weak};
use ethcore::encoded;
use ethcore::engines::{Engine, StateDependentProof};
use ethcore::engines::{EthEngine, StateDependentProof};
use ethcore::header::Header;
use ethcore::machine::EthereumMachine;
use ethcore::receipt::Receipt;
use ethsync::LightSync;
@ -78,7 +79,7 @@ impl ChainDataFetcher for EpochFetch {
}
/// Fetch epoch transition proof at given header.
fn epoch_transition(&self, hash: H256, engine: Arc<Engine>, checker: Arc<StateDependentProof>)
fn epoch_transition(&self, hash: H256, engine: Arc<EthEngine>, checker: Arc<StateDependentProof<EthereumMachine>>)
-> Self::Transition
{
self.request(request::Signal {

2
parity/run.rs
View File

@ -27,9 +27,9 @@ use ethcore::miner::{Miner, MinerService, ExternalMiner, MinerOptions};
use ethcore::miner::{StratumOptions, Stratum};
use ethcore::service::ClientService;
use ethcore::snapshot;
use ethcore::spec::{SpecParams, OptimizeFor};
use ethcore::verification::queue::VerifierSettings;
use ethsync::{self, SyncConfig};
use ethcore::spec::{SpecParams, OptimizeFor};
use fdlimit::raise_fd_limit;
use hash_fetch::fetch::{Fetch, Client as FetchClient};
use informant::{Informant, LightNodeInformantData, FullNodeInformantData};

2
rpc/src/v1/helpers/light_fetch.rs
View File

@ -330,7 +330,7 @@ struct ExecuteParams {
tx: EthTransaction,
hdr: encoded::Header,
env_info: ::vm::EnvInfo,
engine: Arc<::ethcore::engines::Engine>,
engine: Arc<::ethcore::engines::EthEngine>,
on_demand: Arc<OnDemand>,
sync: Arc<LightSync>,
}

4
rpc/src/v1/tests/mocked/eth.rs
View File

@ -1097,7 +1097,7 @@ fn rpc_get_work_returns_correct_work_package() {
eth_tester.miner.set_author(Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap());
let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [], "id": 1}"#;
let response = r#"{"jsonrpc":"2.0","result":["0x3bbe93f74e7b97ae00784aeff8819c5cb600dd87e8b282a5d3446f3f871f0347","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000","0x1"],"id":1}"#;
let response = r#"{"jsonrpc":"2.0","result":["0x76c7bd86693aee93d1a80a408a09a0585b1a1292afcb56192f171d925ea18e2d","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000","0x1"],"id":1}"#;
assert_eq!(eth_tester.io.handle_request_sync(request), Some(response.to_owned()));
}
@ -1110,7 +1110,7 @@ fn rpc_get_work_should_not_return_block_number() {
eth_tester.miner.set_author(Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap());
let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [], "id": 1}"#;
let response = r#"{"jsonrpc":"2.0","result":["0x3bbe93f74e7b97ae00784aeff8819c5cb600dd87e8b282a5d3446f3f871f0347","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000"],"id":1}"#;
let response = r#"{"jsonrpc":"2.0","result":["0x76c7bd86693aee93d1a80a408a09a0585b1a1292afcb56192f171d925ea18e2d","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000"],"id":1}"#;
assert_eq!(eth_tester.io.handle_request_sync(request), Some(response.to_owned()));
}