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split interfaces

This commit is contained in:
Nikolay Volf 2016-05-31 16:41:15 +02:00
parent b036f1de98
commit 0cd8644292
5 changed files with 126 additions and 119 deletions
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146
ethcore/src/client/client.rs
View File

@ -37,7 +37,7 @@ use filter::Filter;
use log_entry::LocalizedLogEntry;
use block_queue::{BlockQueue, BlockQueueInfo};
use blockchain::{BlockChain, BlockProvider, TreeRoute, ImportRoute};
use client::{BlockID, TransactionID, UncleID, TraceId, ClientConfig, BlockChainClient, TraceFilter};
use client::{BlockID, TransactionID, UncleID, TraceId, ClientConfig, BlockChainClient, ExtendedBlockChainClient, TraceFilter};
use client::Error as ClientError;
use env_info::EnvInfo;
use executive::{Executive, Executed, TransactOptions, contract_address};
@ -448,81 +448,10 @@ impl<V> BlockChainClient for Client<V> where V: Verifier {
Executive::new(&mut state, &env_info, self.engine.deref().deref(), &self.vm_factory).transact(t, options)
}
// TODO [todr] Should be moved to miner crate eventually.
fn try_seal(&self, block: LockedBlock, seal: Vec<Bytes>) -> Result<SealedBlock, LockedBlock> {
block.try_seal(self.engine.deref().deref(), seal)
}
fn vm_factory(&self) -> &EvmFactory {
&self.vm_factory
}
// TODO [todr] Should be moved to miner crate eventually.
fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>)
-> (Option<ClosedBlock>, HashSet<H256>) {
let engine = self.engine.deref().deref();
let h = self.chain.best_block_hash();
let mut invalid_transactions = HashSet::new();
let mut b = OpenBlock::new(
engine,
&self.vm_factory,
false, // TODO: this will need to be parameterised once we want to do immediate mining insertion.
self.state_db.lock().unwrap().boxed_clone(),
match self.chain.block_header(&h) { Some(ref x) => x, None => { return (None, invalid_transactions) } },
self.build_last_hashes(h.clone()),
author,
gas_floor_target,
extra_data,
);
// Add uncles
self.chain
.find_uncle_headers(&h, engine.maximum_uncle_age())
.unwrap()
.into_iter()
.take(engine.maximum_uncle_count())
.foreach(|h| {
b.push_uncle(h).unwrap();
});
// Add transactions
let block_number = b.block().header().number();
let min_tx_gas = U256::from(self.engine.schedule(&b.env_info()).tx_gas);
for tx in transactions {
// Push transaction to block
let hash = tx.hash();
let import = b.push_transaction(tx, None);
match import {
Err(Error::Execution(ExecutionError::BlockGasLimitReached { gas_limit, gas_used, .. })) => {
trace!(target: "miner", "Skipping adding transaction to block because of gas limit: {:?}", hash);
// Exit early if gas left is smaller then min_tx_gas
if gas_limit - gas_used < min_tx_gas {
break;
}
},
Err(e) => {
invalid_transactions.insert(hash);
trace!(target: "miner",
"Error adding transaction to block: number={}. transaction_hash={:?}, Error: {:?}",
block_number, hash, e);
},
_ => {}
}
}
// And close
let b = b.close();
trace!(target: "miner", "Sealing: number={}, hash={}, diff={}",
b.block().header().number(),
b.hash(),
b.block().header().difficulty()
);
(Some(b), invalid_transactions)
}
fn block_header(&self, id: BlockID) -> Option<Bytes> {
Self::block_hash(&self.chain, id).and_then(|hash| self.chain.block(&hash).map(|bytes| BlockView::new(&bytes).rlp().at(0).as_raw().to_vec()))
}
@ -776,6 +705,79 @@ impl<V> BlockChainClient for Client<V> where V: Verifier {
}
}
impl<V> ExtendedBlockChainClient for Client<V> where V: Verifier {
// TODO [todr] Should be moved to miner crate eventually.
fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>)
-> (Option<ClosedBlock>, HashSet<H256>) {
let engine = self.engine.deref().deref();
let h = self.chain.best_block_hash();
let mut invalid_transactions = HashSet::new();
let mut b = OpenBlock::new(
engine,
&self.vm_factory,
false, // TODO: this will need to be parameterised once we want to do immediate mining insertion.
self.state_db.lock().unwrap().boxed_clone(),
match self.chain.block_header(&h) { Some(ref x) => x, None => { return (None, invalid_transactions) } },
self.build_last_hashes(h.clone()),
author,
gas_floor_target,
extra_data,
);
// Add uncles
self.chain
.find_uncle_headers(&h, engine.maximum_uncle_age())
.unwrap()
.into_iter()
.take(engine.maximum_uncle_count())
.foreach(|h| {
b.push_uncle(h).unwrap();
});
// Add transactions
let block_number = b.block().header().number();
let min_tx_gas = U256::from(self.engine.schedule(&b.env_info()).tx_gas);
for tx in transactions {
// Push transaction to block
let hash = tx.hash();
let import = b.push_transaction(tx, None);
match import {
Err(Error::Execution(ExecutionError::BlockGasLimitReached { gas_limit, gas_used, .. })) => {
trace!(target: "miner", "Skipping adding transaction to block because of gas limit: {:?}", hash);
// Exit early if gas left is smaller then min_tx_gas
if gas_limit - gas_used < min_tx_gas {
break;
}
},
Err(e) => {
invalid_transactions.insert(hash);
trace!(target: "miner",
"Error adding transaction to block: number={}. transaction_hash={:?}, Error: {:?}",
block_number, hash, e);
},
_ => {}
}
}
// And close
let b = b.close();
trace!(target: "miner", "Sealing: number={}, hash={}, diff={}",
b.block().header().number(),
b.hash(),
b.block().header().difficulty()
);
(Some(b), invalid_transactions)
}
// TODO [todr] Should be moved to miner crate eventually.
fn try_seal(&self, block: LockedBlock, seal: Vec<Bytes>) -> Result<SealedBlock, LockedBlock> {
block.try_seal(self.engine.deref().deref(), seal)
}
}
impl MayPanic for Client {
fn on_panic<F>(&self, closure: F) where F: OnPanicListener {
self.panic_handler.on_panic(closure);

20
ethcore/src/client/mod.rs
View File

@ -154,15 +154,6 @@ pub trait BlockChainClient : Sync + Send {
/// Returns logs matching given filter.
fn logs(&self, filter: Filter) -> Vec<LocalizedLogEntry>;
// TODO [todr] Should be moved to miner crate eventually.
/// Returns ClosedBlock prepared for sealing.
fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>)
-> (Option<ClosedBlock>, HashSet<H256>);
// TODO [todr] Should be moved to miner crate eventually.
/// Attempts to seal given block. Returns `SealedBlock` on success and the same block in case of error.
fn try_seal(&self, block: LockedBlock, seal: Vec<Bytes>) -> Result<SealedBlock, LockedBlock>;
/// Makes a non-persistent transaction call.
fn call(&self, t: &SignedTransaction) -> Result<Executed, ExecutionError>;
@ -185,3 +176,14 @@ pub trait BlockChainClient : Sync + Send {
fn last_hashes(&self) -> LastHashes;
}
/// Extended client interface used for mining
pub trait ExtendedBlockChainClient : BlockChainClient {
// TODO [todr] Should be moved to miner crate eventually.
/// Attempts to seal given block. Returns `SealedBlock` on success and the same block in case of error.
fn try_seal(&self, block: LockedBlock, seal: Vec<Bytes>) -> Result<SealedBlock, LockedBlock>;
// TODO [todr] Should be moved to miner crate eventually.
/// Returns ClosedBlock prepared for sealing.
fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>)
-> (Option<ClosedBlock>, HashSet<H256>);
}

21
ethcore/src/client/test_client.rs
View File

@ -20,7 +20,7 @@ use std::sync::atomic::{AtomicUsize, Ordering as AtomicOrder};
use util::*;
use transaction::{Transaction, LocalizedTransaction, SignedTransaction, Action};
use blockchain::TreeRoute;
use client::{BlockChainClient, BlockChainInfo, BlockStatus, BlockID, TransactionID, UncleID, TraceId, TraceFilter, LastHashes};
use client::{BlockChainClient, ExtendedBlockChainClient, BlockChainInfo, BlockStatus, BlockID, TransactionID, UncleID, TraceId, TraceFilter, LastHashes};
use header::{Header as BlockHeader, BlockNumber};
use filter::Filter;
use log_entry::LocalizedLogEntry;
@ -232,6 +232,17 @@ impl TestBlockChainClient {
}
}
impl ExtendedBlockChainClient for TestBlockChainClient {
fn try_seal(&self, block: LockedBlock, _seal: Vec<Bytes>) -> Result<SealedBlock, LockedBlock> {
Err(block)
}
fn prepare_sealing(&self, _author: Address, _gas_floor_target: U256, _extra_data: Bytes, _transactions: Vec<SignedTransaction>) -> (Option<ClosedBlock>, HashSet<H256>) {
(None, HashSet::new())
}
}
impl BlockChainClient for TestBlockChainClient {
fn call(&self, _t: &SignedTransaction) -> Result<Executed, ExecutionError> {
Ok(self.execution_result.read().unwrap().clone().unwrap())
@ -296,14 +307,6 @@ impl BlockChainClient for TestBlockChainClient {
unimplemented!();
}
fn prepare_sealing(&self, _author: Address, _gas_floor_target: U256, _extra_data: Bytes, _transactions: Vec<SignedTransaction>) -> (Option<ClosedBlock>, HashSet<H256>) {
(None, HashSet::new())
}
fn try_seal(&self, block: LockedBlock, _seal: Vec<Bytes>) -> Result<SealedBlock, LockedBlock> {
Err(block)
}
fn block_header(&self, id: BlockID) -> Option<Bytes> {
self.block_hash(id).and_then(|hash| self.blocks.read().unwrap().get(&hash).map(|r| Rlp::new(r).at(0).as_raw().to_vec()))
}

24
miner/src/lib.rs
View File

@ -62,7 +62,7 @@ pub use external::{ExternalMiner, ExternalMinerService};
use std::collections::BTreeMap;
use util::{H256, U256, Address, Bytes};
use ethcore::client::{BlockChainClient, Executed};
use ethcore::client::{ExtendedBlockChainClient, Executed};
use ethcore::block::ClosedBlock;
use ethcore::receipt::Receipt;
use ethcore::error::{Error, ExecutionError};
@ -110,7 +110,7 @@ pub trait MinerService : Send + Sync {
where T: Fn(&Address) -> AccountDetails, Self: Sized;
/// Imports own (node owner) transaction to queue.
fn import_own_transaction<T>(&self, chain: &BlockChainClient, transaction: SignedTransaction, fetch_account: T) ->
fn import_own_transaction<T>(&self, chain: &ExtendedBlockChainClient, transaction: SignedTransaction, fetch_account: T) ->
Result<TransactionImportResult, Error>
where T: Fn(&Address) -> AccountDetails, Self: Sized;
@ -118,20 +118,20 @@ pub trait MinerService : Send + Sync {
fn pending_transactions_hashes(&self) -> Vec<H256>;
/// Removes all transactions from the queue and restart mining operation.
fn clear_and_reset(&self, chain: &BlockChainClient);
fn clear_and_reset(&self, chain: &ExtendedBlockChainClient);
/// Called when blocks are imported to chain, updates transactions queue.
fn chain_new_blocks(&self, chain: &BlockChainClient, imported: &[H256], invalid: &[H256], enacted: &[H256], retracted: &[H256]);
fn chain_new_blocks(&self, chain: &ExtendedBlockChainClient, imported: &[H256], invalid: &[H256], enacted: &[H256], retracted: &[H256]);
/// New chain head event. Restart mining operation.
fn update_sealing(&self, chain: &BlockChainClient);
fn update_sealing(&self, chain: &ExtendedBlockChainClient);
/// Submit `seal` as a valid solution for the header of `pow_hash`.
/// Will check the seal, but not actually insert the block into the chain.
fn submit_seal(&self, chain: &BlockChainClient, pow_hash: H256, seal: Vec<Bytes>) -> Result<(), Error>;
fn submit_seal(&self, chain: &ExtendedBlockChainClient, pow_hash: H256, seal: Vec<Bytes>) -> Result<(), Error>;
/// Get the sealing work package and if `Some`, apply some transform.
fn map_sealing_work<F, T>(&self, chain: &BlockChainClient, f: F) -> Option<T>
fn map_sealing_work<F, T>(&self, chain: &ExtendedBlockChainClient, f: F) -> Option<T>
where F: FnOnce(&ClosedBlock) -> T, Self: Sized;
/// Query pending transactions for hash.
@ -156,19 +156,19 @@ pub trait MinerService : Send + Sync {
fn sensible_gas_limit(&self) -> U256 { x!(21000) }
/// Latest account balance in pending state.
fn balance(&self, chain: &BlockChainClient, address: &Address) -> U256;
fn balance(&self, chain: &ExtendedBlockChainClient, address: &Address) -> U256;
/// Call into contract code using pending state.
fn call(&self, chain: &BlockChainClient, t: &SignedTransaction) -> Result<Executed, ExecutionError>;
fn call(&self, chain: &ExtendedBlockChainClient, t: &SignedTransaction) -> Result<Executed, ExecutionError>;
/// Get storage value in pending state.
fn storage_at(&self, chain: &BlockChainClient, address: &Address, position: &H256) -> H256;
fn storage_at(&self, chain: &ExtendedBlockChainClient, address: &Address, position: &H256) -> H256;
/// Get account nonce in pending state.
fn nonce(&self, chain: &BlockChainClient, address: &Address) -> U256;
fn nonce(&self, chain: &ExtendedBlockChainClient, address: &Address) -> U256;
/// Get contract code in pending state.
fn code(&self, chain: &BlockChainClient, address: &Address) -> Option<Bytes>;
fn code(&self, chain: &ExtendedBlockChainClient, address: &Address) -> Option<Bytes>;
}
/// Mining status

34
miner/src/miner.rs
View File

@ -20,7 +20,7 @@ use std::sync::atomic::AtomicBool;
use util::*;
use util::keys::store::{AccountService, AccountProvider};
use ethcore::views::{BlockView, HeaderView};
use ethcore::client::{BlockChainClient, BlockID};
use ethcore::client::{ExtendedBlockChainClient, BlockID};
use ethcore::block::{ClosedBlock, IsBlock};
use ethcore::error::*;
use ethcore::client::{Executive, Executed, EnvInfo, TransactOptions};
@ -104,7 +104,7 @@ impl Miner {
/// Prepares new block for sealing including top transactions from queue.
#[cfg_attr(feature="dev", allow(match_same_arms))]
#[cfg_attr(feature="dev", allow(cyclomatic_complexity))]
fn prepare_sealing(&self, chain: &BlockChainClient) {
fn prepare_sealing(&self, chain: &ExtendedBlockChainClient) {
trace!(target: "miner", "prepare_sealing: entering");
let transactions = self.transaction_queue.lock().unwrap().top_transactions();
let mut sealing_work = self.sealing_work.lock().unwrap();
@ -206,14 +206,14 @@ impl Miner {
trace!(target: "miner", "prepare_sealing: leaving (last={:?})", sealing_work.peek_last_ref().map(|b| b.block().fields().header.hash()));
}
fn update_gas_limit(&self, chain: &BlockChainClient) {
fn update_gas_limit(&self, chain: &ExtendedBlockChainClient) {
let gas_limit = HeaderView::new(&chain.best_block_header()).gas_limit();
let mut queue = self.transaction_queue.lock().unwrap();
queue.set_gas_limit(gas_limit);
}
/// Returns true if we had to prepare new pending block
fn enable_and_prepare_sealing(&self, chain: &BlockChainClient) -> bool {
fn enable_and_prepare_sealing(&self, chain: &ExtendedBlockChainClient) -> bool {
trace!(target: "miner", "enable_and_prepare_sealing: entering");
let have_work = self.sealing_work.lock().unwrap().peek_last_ref().is_some();
trace!(target: "miner", "enable_and_prepare_sealing: have_work={}", have_work);
@ -237,7 +237,7 @@ const SEALING_TIMEOUT_IN_BLOCKS : u64 = 5;
impl MinerService for Miner {
fn clear_and_reset(&self, chain: &BlockChainClient) {
fn clear_and_reset(&self, chain: &ExtendedBlockChainClient) {
self.transaction_queue.lock().unwrap().clear();
self.update_sealing(chain);
}
@ -252,7 +252,7 @@ impl MinerService for Miner {
}
}
fn call(&self, chain: &BlockChainClient, t: &SignedTransaction) -> Result<Executed, ExecutionError> {
fn call(&self, chain: &ExtendedBlockChainClient, t: &SignedTransaction) -> Result<Executed, ExecutionError> {
let sealing_work = self.sealing_work.lock().unwrap();
match sealing_work.peek_last_ref() {
Some(work) => {
@ -288,7 +288,7 @@ impl MinerService for Miner {
}
}
fn balance(&self, chain: &BlockChainClient, address: &Address) -> U256 {
fn balance(&self, chain: &ExtendedBlockChainClient, address: &Address) -> U256 {
let sealing_work = self.sealing_work.lock().unwrap();
sealing_work.peek_last_ref().map_or_else(
|| chain.latest_balance(address),
@ -296,7 +296,7 @@ impl MinerService for Miner {
)
}
fn storage_at(&self, chain: &BlockChainClient, address: &Address, position: &H256) -> H256 {
fn storage_at(&self, chain: &ExtendedBlockChainClient, address: &Address, position: &H256) -> H256 {
let sealing_work = self.sealing_work.lock().unwrap();
sealing_work.peek_last_ref().map_or_else(
|| chain.latest_storage_at(address, position),
@ -304,12 +304,12 @@ impl MinerService for Miner {
)
}
fn nonce(&self, chain: &BlockChainClient, address: &Address) -> U256 {
fn nonce(&self, chain: &ExtendedBlockChainClient, address: &Address) -> U256 {
let sealing_work = self.sealing_work.lock().unwrap();
sealing_work.peek_last_ref().map_or_else(|| chain.latest_nonce(address), |b| b.block().fields().state.nonce(address))
}
fn code(&self, chain: &BlockChainClient, address: &Address) -> Option<Bytes> {
fn code(&self, chain: &ExtendedBlockChainClient, address: &Address) -> Option<Bytes> {
let sealing_work = self.sealing_work.lock().unwrap();
sealing_work.peek_last_ref().map_or_else(|| chain.code(address), |b| b.block().fields().state.code(address))
}
@ -376,7 +376,7 @@ impl MinerService for Miner {
.collect()
}
fn import_own_transaction<T>(&self, chain: &BlockChainClient, transaction: SignedTransaction, fetch_account: T) ->
fn import_own_transaction<T>(&self, chain: &ExtendedBlockChainClient, transaction: SignedTransaction, fetch_account: T) ->
Result<TransactionImportResult, Error>
where T: Fn(&Address) -> AccountDetails {
let hash = transaction.hash();
@ -470,7 +470,7 @@ impl MinerService for Miner {
self.transaction_queue.lock().unwrap().last_nonce(address)
}
fn update_sealing(&self, chain: &BlockChainClient) {
fn update_sealing(&self, chain: &ExtendedBlockChainClient) {
if self.sealing_enabled.load(atomic::Ordering::Relaxed) {
let current_no = chain.chain_info().best_block_number;
let has_local_transactions = self.transaction_queue.lock().unwrap().has_local_pending_transactions();
@ -490,7 +490,7 @@ impl MinerService for Miner {
}
}
fn map_sealing_work<F, T>(&self, chain: &BlockChainClient, f: F) -> Option<T> where F: FnOnce(&ClosedBlock) -> T {
fn map_sealing_work<F, T>(&self, chain: &ExtendedBlockChainClient, f: F) -> Option<T> where F: FnOnce(&ClosedBlock) -> T {
trace!(target: "miner", "map_sealing_work: entering");
self.enable_and_prepare_sealing(chain);
trace!(target: "miner", "map_sealing_work: sealing prepared");
@ -500,7 +500,7 @@ impl MinerService for Miner {
ret.map(f)
}
fn submit_seal(&self, chain: &BlockChainClient, pow_hash: H256, seal: Vec<Bytes>) -> Result<(), Error> {
fn submit_seal(&self, chain: &ExtendedBlockChainClient, pow_hash: H256, seal: Vec<Bytes>) -> Result<(), Error> {
if let Some(b) = self.sealing_work.lock().unwrap().take_used_if(|b| &b.hash() == &pow_hash) {
match chain.try_seal(b.lock(), seal) {
Err(_) => {
@ -523,8 +523,8 @@ impl MinerService for Miner {
}
}
fn chain_new_blocks(&self, chain: &BlockChainClient, _imported: &[H256], _invalid: &[H256], enacted: &[H256], retracted: &[H256]) {
fn fetch_transactions(chain: &BlockChainClient, hash: &H256) -> Vec<SignedTransaction> {
fn chain_new_blocks(&self, chain: &ExtendedBlockChainClient, _imported: &[H256], _invalid: &[H256], enacted: &[H256], retracted: &[H256]) {
fn fetch_transactions(chain: &ExtendedBlockChainClient, hash: &H256) -> Vec<SignedTransaction> {
let block = chain
.block(BlockID::Hash(*hash))
// Client should send message after commit to db and inserting to chain.
@ -591,7 +591,7 @@ mod tests {
use ethcore::client::{TestBlockChainClient, EachBlockWith};
use ethcore::block::*;
// TODO [ToDr] To uncomment when TestBlockChainClient can actually return a ClosedBlock.
// TODO [ToDr] To uncomment` when TestBlockChainClient can actually return a ClosedBlock.
#[ignore]
#[test]
fn should_prepare_block_to_seal() {