grassrootseconomics/openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

spec loading cleanup (#858)

Browse Source 
* spec loading cleanup in progress

* changed engine field in json spec

* refactored engine params

* polishing spec loading refactor

* fixed compiling json tests

* fixed compiling parity

* removed warnings

* removed commented out code

* fixed failing test

* bringing back removed TODO in spec.
This commit is contained in:
Marek Kotewicz 2016-04-09 19:20:35 +02:00 committed by Gav Wood
parent d823fd7685
commit 373284ca0a
46 changed files with 957 additions and 704 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
ethcore/res/ethereum/frontier.json
View File

@ -1,24 +1,33 @@
{
"name": "Frontier/Homestead",
"engineName": "Ethash",
"engine": {
"Ethash": {
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0x118c30",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}
}
},
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0x118c30",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x1"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x0000000000000042",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
},
"difficulty": "0x400000000",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

23
ethcore/res/ethereum/frontier_like_test.json
View File

@ -1,24 +1,33 @@
{
"name": "Frontier (Test)",
"engineName": "Ethash",
"engine": {
"Ethash": {
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0x118c30",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}
}
},
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0x118c30",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x1"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x0000000000000042",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
},
"difficulty": "0x400000000",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

23
ethcore/res/ethereum/frontier_test.json
View File

@ -1,24 +1,33 @@
{
"name": "Frontier (Test)",
"engineName": "Ethash",
"engine": {
"Ethash": {
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0xffffffffffffffff",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}
}
},
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0xffffffffffffffff",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x1"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x0000000000000042",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
},
"difficulty": "0x400000000",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

23
ethcore/res/ethereum/homestead_test.json
View File

@ -1,24 +1,33 @@
{
"name": "Homestead (Test)",
"engineName": "Ethash",
"engine": {
"Ethash": {
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": 0,
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"tieBreakingGas": false,
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}
}
},
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": 0,
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x1"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x0000000000000042",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
},
"difficulty": "0x400000000",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

23
ethcore/res/ethereum/morden.json
View File

@ -1,24 +1,33 @@
{
"name": "Morden",
"engineName": "Ethash",
"engine": {
"Ethash": {
"params": {
"accountStartNonce": "0x0100000",
"frontierCompatibilityModeLimit": "0x789b0",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar": "",
"registrar": ""
}
}
},
"params": {
"accountStartNonce": "0x0100000",
"frontierCompatibilityModeLimit": "0x789b0",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x2"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x00006d6f7264656e",
"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578"
}
},
"difficulty": "0x20000",
"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

23
ethcore/res/ethereum/olympic.json
View File

@ -1,24 +1,33 @@
{
"name": "Olympic",
"engineName": "Ethash",
"engine": {
"Ethash": {
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0xffffffffffffffff",
"maximumExtraDataSize": "0x0400",
"tieBreakingGas": false,
"minGasLimit": "125000",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x08",
"blockReward": "0x14D1120D7B160000",
"registrar": "5e70c0bbcd5636e0f9f9316e9f8633feb64d4050",
"registrar": "5e70c0bbcd5636e0f9f9316e9f8633feb64d4050"
}
}
},
"params": {
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0xffffffffffffffff",
"maximumExtraDataSize": "0x0400",
"minGasLimit": "125000",
"networkID" : "0x0"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x000000000000002a",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
},
"difficulty": "0x20000",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

17
ethcore/res/null_homestead_morden.json
View File

@ -1,24 +1,23 @@
{
"name": "Morden",
"engineName": "NullEngine",
"engine": {
"Null": null
},
"params": {
"accountStartNonce": "0x0100000",
"frontierCompatibilityModeLimit": "0x0",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar": "",
"networkID" : "0x2"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x00006d6f7264656e",
"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578"
}
},
"difficulty": "0x20000",
"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

17
ethcore/res/null_morden.json
View File

@ -1,24 +1,23 @@
{
"name": "Morden",
"engineName": "NullEngine",
"engine": {
"Null": null
},
"params": {
"accountStartNonce": "0x0100000",
"frontierCompatibilityModeLimit": "0x789b0",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar": "",
"networkID" : "0x2"
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x00006d6f7264656e",
"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578"
}
},
"difficulty": "0x20000",
"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

26
ethcore/src/block.rs
View File

@ -497,16 +497,16 @@ mod tests {
use tests::helpers::*;
use super::*;
use common::*;
use engine::*;
#[test]
fn open_block() {
use spec::*;
let engine = Spec::new_test().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let spec = Spec::new_test();
let engine = &spec.engine;
let genesis_header = spec.genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let last_hashes = vec![genesis_header.hash()];
let b = OpenBlock::new(engine.deref(), false, db, &genesis_header, last_hashes, Address::zero(), x!(3141562), vec![]);
let b = b.close_and_lock();
@ -516,19 +516,20 @@ mod tests {
#[test]
fn enact_block() {
use spec::*;
let engine = Spec::new_test().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let spec = Spec::new_test();
let engine = &spec.engine;
let genesis_header = spec.genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let b = OpenBlock::new(engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()], Address::zero(), x!(3141562), vec![]).close_and_lock().seal(engine.deref(), vec![]).unwrap();
let orig_bytes = b.rlp_bytes();
let orig_db = b.drain();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let e = enact_and_seal(&orig_bytes, engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()]).unwrap();
assert_eq!(e.rlp_bytes(), orig_bytes);
@ -541,12 +542,13 @@ mod tests {
#[test]
fn enact_block_with_uncle() {
use spec::*;
let engine = Spec::new_test().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let spec = Spec::new_test();
let engine = &spec.engine;
let genesis_header = spec.genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let mut open_block = OpenBlock::new(engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()], Address::zero(), x!(3141562), vec![]);
let mut uncle1_header = Header::new();
uncle1_header.extra_data = b"uncle1".to_vec();
@ -561,7 +563,7 @@ mod tests {
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let e = enact_and_seal(&orig_bytes, engine.deref(), false, db, &genesis_header, vec![genesis_header.hash()]).unwrap();
let bytes = e.rlp_bytes();

6
ethcore/src/block_queue.rs
View File

@ -464,7 +464,7 @@ mod tests {
fn get_test_queue() -> BlockQueue {
let spec = get_test_spec();
let engine = spec.to_engine().unwrap();
let engine = spec.engine;
BlockQueue::new(BlockQueueConfig::default(), Arc::new(engine), IoChannel::disconnected())
}
@ -472,7 +472,7 @@ mod tests {
fn can_be_created() {
// TODO better test
let spec = Spec::new_test();
let engine = spec.to_engine().unwrap();
let engine = spec.engine;
let _ = BlockQueue::new(BlockQueueConfig::default(), Arc::new(engine), IoChannel::disconnected());
}
@ -533,7 +533,7 @@ mod tests {
#[test]
fn test_mem_limit() {
let spec = get_test_spec();
let engine = spec.to_engine().unwrap();
let engine = spec.engine;
let mut config = BlockQueueConfig::default();
config.max_mem_use = super::MIN_MEM_LIMIT; // empty queue uses about 15000
let queue = BlockQueue::new(config, Arc::new(engine), IoChannel::disconnected());

78
ethcore/src/builtin.rs
View File

@ -18,6 +18,7 @@ use util::*;
use crypto::sha2::Sha256;
use crypto::ripemd160::Ripemd160;
use crypto::digest::Digest;
use ethjson;
/// Definition of a contract whose implementation is built-in.
pub struct Builtin {
@ -46,13 +47,12 @@ impl Builtin {
}
/// Create a new object from a builtin-function name with a linear cost associated with input size.
pub fn from_named_linear(name: &str, base_cost: usize, word_cost: usize) -> Option<Builtin> {
new_builtin_exec(name).map(|b| {
pub fn from_named_linear(name: &str, base_cost: usize, word_cost: usize) -> Builtin {
let cost = Box::new(move|s: usize| -> U256 {
U256::from(base_cost) + U256::from(word_cost) * U256::from((s + 31) / 32)
});
Self::new(cost, b)
})
Self::new(cost, new_builtin_exec(name))
}
/// Simple forwarder for cost.
@ -60,26 +60,17 @@ impl Builtin {
/// Simple forwarder for execute.
pub fn execute(&self, input: &[u8], output: &mut[u8]) { (*self.execute)(input, output); }
}
/// Create a builtin from JSON.
///
/// JSON must be of the form `{ "name": "identity", "pricing": {"base": 10, "word": 20} }`.
pub fn from_json(json: &Json) -> Option<Builtin> {
// NICE: figure out a more convenient means of handing errors here.
if let Json::String(ref name) = json["name"] {
if let Json::Object(ref o) = json["pricing"] {
if let Json::Object(ref o) = o["linear"] {
if let Json::U64(ref word) = o["word"] {
if let Json::U64(ref base) = o["base"] {
return Self::from_named_linear(&name[..], *base as usize, *word as usize);
impl From<ethjson::spec::Builtin> for Builtin {
fn from(b: ethjson::spec::Builtin) -> Self {
match b.pricing {
ethjson::spec::Pricing::Linear(linear) => {
Self::from_named_linear(b.name.as_ref(), linear.base, linear.word)
}
}
}
}
}
None
}
}
/// Copy a bunch of bytes to a destination; if the `src` is too small to fill `dest`,
/// leave the rest unchanged.
@ -92,14 +83,14 @@ pub fn copy_to(src: &[u8], dest: &mut[u8]) {
/// Create a new builtin executor according to `name`.
/// TODO: turn in to a factory with dynamic registration.
pub fn new_builtin_exec(name: &str) -> Option<Box<Fn(&[u8], &mut [u8])>> {
pub fn new_builtin_exec(name: &str) -> Box<Fn(&[u8], &mut [u8])> {
match name {
"identity" => Some(Box::new(move|input: &[u8], output: &mut[u8]| {
"identity" => Box::new(move|input: &[u8], output: &mut[u8]| {
for i in 0..min(input.len(), output.len()) {
output[i] = input[i];
}
})),
"ecrecover" => Some(Box::new(move|input: &[u8], output: &mut[u8]| {
}),
"ecrecover" => Box::new(move|input: &[u8], output: &mut[u8]| {
#[repr(packed)]
#[derive(Debug)]
struct InType {
@ -122,8 +113,8 @@ pub fn new_builtin_exec(name: &str) -> Option<Box<Fn(&[u8], &mut [u8])>> {
}
}
}
})),
"sha256" => Some(Box::new(move|input: &[u8], output: &mut[u8]| {
}),
"sha256" => Box::new(move|input: &[u8], output: &mut[u8]| {
let mut sha = Sha256::new();
sha.input(input);
if output.len() >= 32 {
@ -133,21 +124,23 @@ pub fn new_builtin_exec(name: &str) -> Option<Box<Fn(&[u8], &mut [u8])>> {
sha.result(ret.as_slice_mut());
copy_to(&ret, output);
}
})),
"ripemd160" => Some(Box::new(move|input: &[u8], output: &mut[u8]| {
}),
"ripemd160" => Box::new(move|input: &[u8], output: &mut[u8]| {
let mut sha = Ripemd160::new();
sha.input(input);
let mut ret = H256::new();
sha.result(&mut ret.as_slice_mut()[12..32]);
copy_to(&ret, output);
})),
_ => None
}),
_ => {
panic!("invalid builtin name {}", name);
}
}
}
#[test]
fn identity() {
let f = new_builtin_exec("identity").unwrap();
let f = new_builtin_exec("identity");
let i = [0u8, 1, 2, 3];
let mut o2 = [255u8; 2];
@ -167,7 +160,7 @@ fn identity() {
#[test]
fn sha256() {
use rustc_serialize::hex::FromHex;
let f = new_builtin_exec("sha256").unwrap();
let f = new_builtin_exec("sha256");
let i = [0u8; 0];
let mut o = [255u8; 32];
@ -186,7 +179,7 @@ fn sha256() {
#[test]
fn ripemd160() {
use rustc_serialize::hex::FromHex;
let f = new_builtin_exec("ripemd160").unwrap();
let f = new_builtin_exec("ripemd160");
let i = [0u8; 0];
let mut o = [255u8; 32];
@ -213,7 +206,7 @@ fn ecrecover() {
let s = k.sign(&m).unwrap();
println!("Signed: {}", s);*/
let f = new_builtin_exec("ecrecover").unwrap();
let f = new_builtin_exec("ecrecover");
let i = FromHex::from_hex("47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad000000000000000000000000000000000000000000000000000000000000001b650acf9d3f5f0a2c799776a1254355d5f4061762a237396a99a0e0e3fc2bcd6729514a0dacb2e623ac4abd157cb18163ff942280db4d5caad66ddf941ba12e03").unwrap();
let mut o = [255u8; 32];
@ -260,9 +253,15 @@ fn ecrecover() {
assert_eq!(&o[..], &(FromHex::from_hex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap())[..]);*/
}
#[test]
#[should_panic]
fn from_unknown_linear() {
let _ = Builtin::from_named_linear("dw", 10, 20);
}
#[test]
fn from_named_linear() {
let b = Builtin::from_named_linear("identity", 10, 20).unwrap();
let b = Builtin::from_named_linear("identity", 10, 20);
assert_eq!((*b.cost)(0), U256::from(10));
assert_eq!((*b.cost)(1), U256::from(30));
assert_eq!((*b.cost)(32), U256::from(30));
@ -276,9 +275,14 @@ fn from_named_linear() {
#[test]
fn from_json() {
let text = r#"{"name": "identity", "pricing": {"linear": {"base": 10, "word": 20}}}"#;
let json = Json::from_str(text).unwrap();
let b = Builtin::from_json(&json).unwrap();
let b = Builtin::from(ethjson::spec::Builtin {
name: "identity".to_owned(),
pricing: ethjson::spec::Pricing::Linear(ethjson::spec::Linear {
base: 10,
word: 20,
})
});
assert_eq!((*b.cost)(0), U256::from(10));
assert_eq!((*b.cost)(1), U256::from(30));
assert_eq!((*b.cost)(32), U256::from(30));

7
ethcore/src/client/client.rs
View File

@ -140,14 +140,15 @@ impl<V> Client<V> where V: Verifier {
let mut state_path = path.to_path_buf();
state_path.push("state");
let engine = Arc::new(try!(spec.to_engine()));
let state_path_str = state_path.to_str().unwrap();
let mut state_db = journaldb::new(state_path_str, config.pruning);
if state_db.is_empty() && engine.spec().ensure_db_good(state_db.as_hashdb_mut()) {
state_db.commit(0, &engine.spec().genesis_header().hash(), None).expect("Error commiting genesis state to state DB");
if state_db.is_empty() && spec.ensure_db_good(state_db.as_hashdb_mut()) {
state_db.commit(0, &spec.genesis_header().hash(), None).expect("Error commiting genesis state to state DB");
}
let engine = Arc::new(spec.engine);
let block_queue = BlockQueue::new(config.queue, engine.clone(), message_channel);
let panic_handler = PanicHandler::new_in_arc();
panic_handler.forward_from(&block_queue);

28
ethcore/src/engine.rs
View File

@ -16,7 +16,7 @@
use common::*;
use block::ExecutedBlock;
use spec::Spec;
use spec::CommonParams;
use evm::Schedule;
use evm::Factory;
@ -35,7 +35,7 @@ pub trait Engine : Sync + Send {
fn extra_info(&self, _header: &Header) -> HashMap<String, String> { HashMap::new() }
/// Get the general parameters of the chain.
fn spec(&self) -> &Spec;
fn params(&self) -> &CommonParams;
/// Get current EVM factory
fn vm_factory(&self) -> &Factory;
@ -43,14 +43,18 @@ pub trait Engine : Sync + Send {
/// Get the EVM schedule for the given `env_info`.
fn schedule(&self, env_info: &EnvInfo) -> Schedule;
/// 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 { decode(&self.spec().engine_params.get("maximumExtraDataSize").unwrap()) }
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.
fn account_start_nonce(&self) -> U256 { decode(&self.spec().engine_params.get("accountStartNonce").unwrap()) }
fn account_start_nonce(&self) -> U256 { self.params().account_start_nonce }
/// Block transformation functions, before the transactions.
fn on_new_block(&self, _block: &mut ExecutedBlock) {}
@ -94,23 +98,13 @@ pub trait Engine : Sync + Send {
// 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.
/// Determine whether a particular address is a builtin contract.
fn is_builtin(&self, a: &Address) -> bool { self.spec().builtins.contains_key(a) }
fn is_builtin(&self, a: &Address) -> bool { self.builtins().contains_key(a) }
/// Determine the code execution cost of the builtin contract with address `a`.
/// Panics if `is_builtin(a)` is not true.
fn cost_of_builtin(&self, a: &Address, input: &[u8]) -> U256 { self.spec().builtins.get(a).unwrap().cost(input.len()) }
fn cost_of_builtin(&self, a: &Address, input: &[u8]) -> U256 { self.builtins().get(a).unwrap().cost(input.len()) }
/// Execution the builtin contract `a` on `input` and return `output`.
/// Panics if `is_builtin(a)` is not true.
fn execute_builtin(&self, a: &Address, input: &[u8], output: &mut [u8]) { self.spec().builtins.get(a).unwrap().execute(input, output); }
fn execute_builtin(&self, a: &Address, input: &[u8], output: &mut [u8]) { self.builtins().get(a).unwrap().execute(input, output); }
// TODO: sealing stuff - though might want to leave this for later.
/// Get a named parameter from the `spec()`'s `engine_params` item and convert to u64, or 0 if that fails.
fn u64_param(&self, name: &str) -> u64 {
self.spec().engine_params.get(name).map_or(0u64, |a| decode(&a))
}
/// Get a named parameter from the `spec()`'s `engine_params` item and convert to U256, or 0 if that fails.
fn u256_param(&self, name: &str) -> U256 {
self.spec().engine_params.get(name).map_or(x!(0), |a| decode(&a))
}
}

37
ethcore/src/env_info.rs
View File

@ -55,21 +55,6 @@ impl Default for EnvInfo {
}
}
impl FromJson for EnvInfo {
fn from_json(json: &Json) -> EnvInfo {
let current_number: u64 = xjson!(&json["currentNumber"]);
EnvInfo {
number: current_number,
author: xjson!(&json["currentCoinbase"]),
difficulty: xjson!(&json["currentDifficulty"]),
gas_limit: xjson!(&json["currentGasLimit"]),
timestamp: xjson!(&json["currentTimestamp"]),
last_hashes: (1..cmp::min(current_number + 1, 257)).map(|i| format!("{}", current_number - i).as_bytes().sha3()).collect(),
gas_used: x!(0),
}
}
}
impl From<ethjson::vm::Env> for EnvInfo {
fn from(e: ethjson::vm::Env) -> Self {
let number = e.number.into();
@ -90,24 +75,20 @@ mod tests {
extern crate rustc_serialize;
use super::*;
use rustc_serialize::*;
use util::from_json::FromJson;
use util::hash::*;
use util::numbers::U256;
use std::str::FromStr;
use ethjson;
#[test]
fn it_serializes_form_json() {
let env_info = EnvInfo::from_json(&json::Json::from_str(
r#"
{
"currentCoinbase": "0x000000f00000000f000000000000f00000000f00",
"currentNumber": 1112339,
"currentDifficulty": 50000,
"currentGasLimit" : 40000,
"currentTimestamp" : 1100
}
"#
).unwrap());
let env_info = EnvInfo::from(ethjson::vm::Env {
author: ethjson::hash::Address(Address::from_str("000000f00000000f000000000000f00000000f00").unwrap()),
number: ethjson::uint::Uint(U256::from(1_112_339)),
difficulty: ethjson::uint::Uint(U256::from(50_000)),
gas_limit: ethjson::uint::Uint(U256::from(40_000)),
timestamp: ethjson::uint::Uint(U256::from(1_100))
});
assert_eq!(env_info.number, 1112339);
assert_eq!(env_info.author, Address::from_str("000000f00000000f000000000000f00000000f00").unwrap());

155
ethcore/src/ethereum/ethash.rs
View File

@ -19,42 +19,63 @@ extern crate ethash;
use self::ethash::{quick_get_difficulty, EthashManager, H256 as EH256};
use common::*;
use block::*;
use spec::*;
use spec::CommonParams;
use engine::*;
use evm::Schedule;
use evm::Factory;
use evm::{Schedule, Factory};
use ethjson;
/// Ethash params.
#[derive(Debug, PartialEq)]
pub struct EthashParams {
/// Tie breaking gas.
pub tie_breaking_gas: bool,
/// Gas limit divisor.
pub gas_limit_bound_divisor: U256,
/// Minimum difficulty.
pub minimum_difficulty: U256,
/// Difficulty bound divisor.
pub difficulty_bound_divisor: U256,
/// Block duration.
pub duration_limit: u64,
/// Block reward.
pub block_reward: U256,
/// Namereg contract address.
pub registrar: Address,
}
impl From<ethjson::spec::EthashParams> for EthashParams {
fn from(p: ethjson::spec::EthashParams) -> Self {
EthashParams {
tie_breaking_gas: p.tie_breaking_gas,
gas_limit_bound_divisor: p.gas_limit_bound_divisor.into(),
minimum_difficulty: p.minimum_difficulty.into(),
difficulty_bound_divisor: p.difficulty_bound_divisor.into(),
duration_limit: p.duration_limit.into(),
block_reward: p.block_reward.into(),
registrar: p.registrar.into(),
}
}
}
/// Engine using Ethash proof-of-work consensus algorithm, suitable for Ethereum
/// mainnet chains in the Olympic, Frontier and Homestead eras.
pub struct Ethash {
spec: Spec,
params: CommonParams,
ethash_params: EthashParams,
builtins: BTreeMap<Address, Builtin>,
pow: EthashManager,
factory: Factory,
u64_params: RwLock<HashMap<String, u64>>,
u256_params: RwLock<HashMap<String, U256>>,
}
impl Ethash {
/// Create a new boxed instance of Ethash engine
pub fn new_boxed(spec: Spec) -> Box<Engine> {
Box::new(Ethash {
spec: spec,
pow: EthashManager::new(),
// TODO [todr] should this return any specific factory?
factory: Factory::default(),
u64_params: RwLock::new(HashMap::new()),
u256_params: RwLock::new(HashMap::new())
})
}
#[cfg(test)]
fn new_test(spec: Spec) -> Ethash {
/// Create a new instance of Ethash engine
pub fn new(params: CommonParams, ethash_params: EthashParams, builtins: BTreeMap<Address, Builtin>) -> Self {
Ethash {
spec: spec,
params: params,
ethash_params: ethash_params,
builtins: builtins,
pow: EthashManager::new(),
factory: Factory::default(),
u64_params: RwLock::new(HashMap::new()),
u256_params: RwLock::new(HashMap::new())
}
}
}
@ -65,17 +86,23 @@ impl Engine for Ethash {
// Two fields - mix
fn seal_fields(&self) -> usize { 2 }
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) -> HashMap<String, String> { HashMap::new() }
fn spec(&self) -> &Spec { &self.spec }
fn vm_factory(&self) -> &Factory {
&self.factory
}
fn schedule(&self, env_info: &EnvInfo) -> Schedule {
trace!(target: "client", "Creating schedule. param={:?}, fCML={}", self.spec().engine_params.get("frontierCompatibilityModeLimit"), self.u64_param("frontierCompatibilityModeLimit"));
if env_info.number < self.u64_param("frontierCompatibilityModeLimit") {
trace!(target: "client", "Creating schedule. fCML={}", self.params.frontier_compatibility_mode_limit);
if env_info.number < self.params.frontier_compatibility_mode_limit {
Schedule::new_frontier()
} else {
Schedule::new_homestead()
@ -86,7 +113,7 @@ impl Engine for Ethash {
header.difficulty = self.calculate_difficuty(header, parent);
header.gas_limit = {
let gas_limit = parent.gas_limit;
let bound_divisor = self.u256_param("gasLimitBoundDivisor");
let bound_divisor = self.ethash_params.gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
min(gas_floor_target, gas_limit + gas_limit / bound_divisor - x!(1))
} else {
@ -100,7 +127,7 @@ impl Engine for Ethash {
/// Apply the block reward on finalisation of the block.
/// 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) {
let reward = self.spec().engine_params.get("blockReward").map_or(U256::from(0u64), |a| decode(&a));
let reward = self.ethash_params.block_reward;
let fields = block.fields_mut();
// Bestow block reward
@ -125,7 +152,7 @@ impl Engine for Ethash {
try!(UntrustedRlp::new(&header.seal[1]).as_val::<H64>());
// TODO: consider removing these lines.
let min_difficulty = decode(self.spec().engine_params.get("minimumDifficulty").unwrap());
let min_difficulty = self.ethash_params.minimum_difficulty;
if header.difficulty < min_difficulty {
return Err(From::from(BlockError::DifficultyOutOfBounds(OutOfBounds { min: Some(min_difficulty), max: None, found: header.difficulty })))
}
@ -170,7 +197,7 @@ impl Engine for Ethash {
if header.difficulty != expected_difficulty {
return Err(From::from(BlockError::InvalidDifficulty(Mismatch { expected: expected_difficulty, found: header.difficulty })))
}
let gas_limit_divisor = decode(self.spec().engine_params.get("gasLimitBoundDivisor").unwrap());
let gas_limit_divisor = self.ethash_params.gas_limit_bound_divisor;
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 {
@ -180,7 +207,7 @@ impl Engine for Ethash {
}
fn verify_transaction_basic(&self, t: &SignedTransaction, header: &Header) -> result::Result<(), Error> {
if header.number() >= self.u64_param("frontierCompatibilityModeLimit") {
if header.number() >= self.params.frontier_compatibility_mode_limit {
try!(t.check_low_s());
}
Ok(())
@ -189,16 +216,6 @@ impl Engine for Ethash {
fn verify_transaction(&self, t: &SignedTransaction, _header: &Header) -> Result<(), Error> {
t.sender().map(|_|()) // Perform EC recovery and cache sender
}
fn u64_param(&self, name: &str) -> u64 {
*self.u64_params.write().unwrap().entry(name.to_owned()).or_insert_with(||
self.spec().engine_params.get(name).map_or(0u64, |a| decode(&a)))
}
fn u256_param(&self, name: &str) -> U256 {
*self.u256_params.write().unwrap().entry(name.to_owned()).or_insert_with(||
self.spec().engine_params.get(name).map_or(x!(0), |a| decode(&a)))
}
}
#[cfg_attr(feature="dev", allow(wrong_self_convention))] // to_ethash should take self
@ -209,10 +226,11 @@ impl Ethash {
panic!("Can't calculate genesis block difficulty");
}
let min_difficulty = self.u256_param("minimumDifficulty");
let difficulty_bound_divisor = self.u256_param("difficultyBoundDivisor");
let duration_limit = self.u64_param("durationLimit");
let frontier_limit = self.u64_param("frontierCompatibilityModeLimit");
let min_difficulty = self.ethash_params.minimum_difficulty;
let difficulty_bound_divisor = self.ethash_params.difficulty_bound_divisor;
let duration_limit = self.ethash_params.duration_limit;
let frontier_limit = self.params.frontier_compatibility_mode_limit;
let mut target = if header.number < frontier_limit {
if header.timestamp >= parent.timestamp + duration_limit {
parent.difficulty - (parent.difficulty / difficulty_bound_divisor)
@ -283,16 +301,16 @@ mod tests {
use block::*;
use engine::*;
use tests::helpers::*;
use super::{Ethash};
use super::super::new_morden;
#[test]
fn on_close_block() {
let engine = new_morden().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let spec = new_morden();
let engine = &spec.engine;
let genesis_header = spec.genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let last_hashes = vec![genesis_header.hash()];
let b = OpenBlock::new(engine.deref(), false, db, &genesis_header, last_hashes, Address::zero(), x!(3141562), vec![]);
let b = b.close();
@ -301,11 +319,12 @@ mod tests {
#[test]
fn on_close_block_with_uncle() {
let engine = new_morden().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let spec = new_morden();
let engine = &spec.engine;
let genesis_header = spec.genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let last_hashes = vec![genesis_header.hash()];
let mut b = OpenBlock::new(engine.deref(), false, db, &genesis_header, last_hashes, Address::zero(), x!(3141562), vec![]);
let mut uncle = Header::new();
@ -320,27 +339,20 @@ mod tests {
#[test]
fn has_valid_metadata() {
let engine = Ethash::new_boxed(new_morden());
let engine = new_morden().engine;
assert!(!engine.name().is_empty());
assert!(engine.version().major >= 1);
}
#[test]
fn can_return_params() {
let engine = Ethash::new_test(new_morden());
assert!(engine.u64_param("durationLimit") > 0);
assert!(engine.u256_param("minimumDifficulty") > U256::zero());
}
#[test]
fn can_return_factory() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
engine.vm_factory();
}
#[test]
fn can_return_schedule() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let schedule = engine.schedule(&EnvInfo {
number: 10000000,
author: x!(0),
@ -368,7 +380,8 @@ mod tests {
#[test]
fn can_do_seal_verification_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
//let engine = Ethash::new_test(new_morden());
let header: Header = Header::default();
let verify_result = engine.verify_block_basic(&header, None);
@ -382,7 +395,7 @@ mod tests {
#[test]
fn can_do_difficulty_verification_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let mut header: Header = Header::default();
header.set_seal(vec![rlp::encode(&H256::zero()).to_vec(), rlp::encode(&H64::zero()).to_vec()]);
@ -397,7 +410,7 @@ mod tests {
#[test]
fn can_do_proof_of_work_verification_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let mut header: Header = Header::default();
header.set_seal(vec![rlp::encode(&H256::zero()).to_vec(), rlp::encode(&H64::zero()).to_vec()]);
header.set_difficulty(U256::from_str("ffffffffffffffffffffffffffffffffffffffffffffaaaaaaaaaaaaaaaaaaaa").unwrap());
@ -413,7 +426,7 @@ mod tests {
#[test]
fn can_do_seal_unordered_verification_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let header: Header = Header::default();
let verify_result = engine.verify_block_unordered(&header, None);
@ -427,7 +440,7 @@ mod tests {
#[test]
fn can_do_seal256_verification_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let mut header: Header = Header::default();
header.set_seal(vec![rlp::encode(&H256::zero()).to_vec(), rlp::encode(&H64::zero()).to_vec()]);
let verify_result = engine.verify_block_unordered(&header, None);
@ -441,7 +454,7 @@ mod tests {
#[test]
fn can_do_proof_of_work_unordered_verification_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let mut header: Header = Header::default();
header.set_seal(vec![rlp::encode(&H256::from("b251bd2e0283d0658f2cadfdc8ca619b5de94eca5742725e2e757dd13ed7503d")).to_vec(), rlp::encode(&H64::zero()).to_vec()]);
header.set_difficulty(U256::from_str("ffffffffffffffffffffffffffffffffffffffffffffaaaaaaaaaaaaaaaaaaaa").unwrap());
@ -457,7 +470,7 @@ mod tests {
#[test]
fn can_verify_block_family_genesis_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let header: Header = Header::default();
let parent_header: Header = Header::default();
@ -472,7 +485,7 @@ mod tests {
#[test]
fn can_verify_block_family_difficulty_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let mut header: Header = Header::default();
header.set_number(2);
let mut parent_header: Header = Header::default();
@ -489,7 +502,7 @@ mod tests {
#[test]
fn can_verify_block_family_gas_fail() {
let engine = Ethash::new_test(new_morden());
let engine = new_morden().engine;
let mut header: Header = Header::default();
header.set_number(2);
header.set_difficulty(U256::from_str("0000000000000000000000000000000000000000000000000000000000020000").unwrap());

23
ethcore/src/ethereum/mod.rs
View File

@ -30,22 +30,22 @@ pub use self::denominations::*;
use super::spec::*;
/// Create a new Olympic chain spec.
pub fn new_olympic() -> Spec { Spec::from_json_utf8(include_bytes!("../../res/ethereum/olympic.json")) }
pub fn new_olympic() -> Spec { Spec::load(include_bytes!("../../res/ethereum/olympic.json")) }
/// Create a new Frontier mainnet chain spec.
pub fn new_frontier() -> Spec { Spec::from_json_utf8(include_bytes!("../../res/ethereum/frontier.json")) }
pub fn new_frontier() -> Spec { Spec::load(include_bytes!("../../res/ethereum/frontier.json")) }
/// Create a new Frontier chain spec as though it never changes to Homestead.
pub fn new_frontier_test() -> Spec { Spec::from_json_utf8(include_bytes!("../../res/ethereum/frontier_test.json")) }
pub fn new_frontier_test() -> Spec { Spec::load(include_bytes!("../../res/ethereum/frontier_test.json")) }
/// Create a new Homestead chain spec as though it never changed from Frontier.
pub fn new_homestead_test() -> Spec { Spec::from_json_utf8(include_bytes!("../../res/ethereum/homestead_test.json")) }
pub fn new_homestead_test() -> Spec { Spec::load(include_bytes!("../../res/ethereum/homestead_test.json")) }
/// Create a new Frontier main net chain spec without genesis accounts.
pub fn new_mainnet_like() -> Spec { Spec::from_json_utf8(include_bytes!("../../res/ethereum/frontier_like_test.json")) }
pub fn new_mainnet_like() -> Spec { Spec::load(include_bytes!("../../res/ethereum/frontier_like_test.json")) }
/// Create a new Morden chain spec.
pub fn new_morden() -> Spec { Spec::from_json_utf8(include_bytes!("../../res/ethereum/morden.json")) }
pub fn new_morden() -> Spec { Spec::load(include_bytes!("../../res/ethereum/morden.json")) }
#[cfg(test)]
mod tests {
@ -57,11 +57,12 @@ mod tests {
#[test]
fn ensure_db_good() {
let engine = new_morden().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let spec = new_morden();
let engine = &spec.engine;
let genesis_header = spec.genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(db.as_hashdb_mut());
spec.ensure_db_good(db.as_hashdb_mut());
let s = State::from_existing(db, genesis_header.state_root.clone(), engine.account_start_nonce());
assert_eq!(s.balance(&address_from_hex("0000000000000000000000000000000000000001")), U256::from(1u64));
assert_eq!(s.balance(&address_from_hex("0000000000000000000000000000000000000002")), U256::from(1u64));
@ -79,7 +80,7 @@ mod tests {
let genesis = morden.genesis_block();
assert_eq!(BlockView::new(&genesis).header_view().sha3(), H256::from_str("0cd786a2425d16f152c658316c423e6ce1181e15c3295826d7c9904cba9ce303").unwrap());
let _ = morden.to_engine();
let _ = morden.engine;
}
#[test]
@ -90,6 +91,6 @@ mod tests {
let genesis = frontier.genesis_block();
assert_eq!(BlockView::new(&genesis).header_view().sha3(), H256::from_str("d4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3").unwrap());
let _ = frontier.to_engine();
let _ = frontier.engine;
}
}

2
ethcore/src/externalities.rs
View File

@ -327,7 +327,7 @@ mod tests {
fn new() -> Self {
TestSetup {
state: get_temp_state(),
engine: get_test_spec().to_engine().unwrap(),
engine: get_test_spec().engine,
sub_state: Substate::new(false),
env_info: get_test_env_info()
}

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

@ -27,33 +27,6 @@ use substate::*;
use tests::helpers::*;
use ethjson;
struct TestEngineFrontier {
vm_factory: Factory,
spec: Spec,
max_depth: usize
}
impl TestEngineFrontier {
fn new(max_depth: usize, vm_type: VMType) -> TestEngineFrontier {
TestEngineFrontier {
vm_factory: Factory::new(vm_type),
spec: ethereum::new_frontier_test(),
max_depth: max_depth
}
}
}
impl Engine for TestEngineFrontier {
fn name(&self) -> &str { "TestEngine" }
fn spec(&self) -> &Spec { &self.spec }
fn vm_factory(&self) -> &Factory { &self.vm_factory }
fn schedule(&self, _env_info: &EnvInfo) -> Schedule {
let mut schedule = Schedule::new_frontier();
schedule.max_depth = self.max_depth;
schedule
}
}
#[derive(Debug, PartialEq)]
struct CallCreate {
data: Bytes,
@ -206,7 +179,7 @@ fn do_json_test_for(vm_type: &VMType, json_data: &[u8]) -> Vec<String> {
let mut state = state_result.reference_mut();
state.populate_from(From::from(vm.pre_state.clone()));
let info = From::from(vm.env);
let engine = TestEngineFrontier::new(1, vm_type.clone());
let engine = TestEngine::new(1, Factory::new(vm_type.clone()));
let params = ActionParams::from(vm.transaction);
let mut substate = Substate::new(false);

6
ethcore/src/json_tests/state.rs
View File

@ -30,9 +30,9 @@ pub fn json_chain_test(json_data: &[u8], era: ChainEra) -> Vec<String> {
let tests = ethjson::state::Test::load(json_data).unwrap();
let mut failed = Vec::new();
let engine = match era {
ChainEra::Frontier => ethereum::new_mainnet_like(),
ChainEra::Homestead => ethereum::new_homestead_test(),
}.to_engine().unwrap();
ChainEra::Frontier => ethereum::new_mainnet_like().engine,
ChainEra::Homestead => ethereum::new_homestead_test().engine
};
for (name, test) in tests.into_iter() {
let mut fail = false;

12
ethcore/src/log_entry.rs
View File

@ -76,18 +76,6 @@ impl From<ethjson::state::Log> for LogEntry {
}
}
impl FromJson for LogEntry {
/// Convert given JSON object to a LogEntry.
fn from_json(json: &Json) -> LogEntry {
// TODO: check bloom.
LogEntry {
address: xjson!(&json["address"]),
topics: xjson!(&json["topics"]),
data: xjson!(&json["data"]),
}
}
}
/// Log localized in a blockchain.
#[derive(Default, Debug, PartialEq, Clone)]
pub struct LocalizedLogEntry {

37
ethcore/src/null_engine.rs
View File

@ -14,26 +14,29 @@
// 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::hash::Address;
use builtin::Builtin;
use engine::Engine;
use spec::Spec;
use evm::Schedule;
use evm::Factory;
use spec::CommonParams;
use evm::{Schedule, Factory};
use env_info::EnvInfo;
/// An engine which does not provide any consensus mechanism.
pub struct NullEngine {
spec: Spec,
factory: Factory
params: CommonParams,
builtins: BTreeMap<Address, Builtin>,
factory: Factory,
}
impl NullEngine {
/// Returns new instance of NullEngine with default VM Factory
pub fn new_boxed(spec: Spec) -> Box<Engine> {
Box::new(NullEngine{
spec: spec,
// TODO [todr] should this return any specific factory?
pub fn new(params: CommonParams, builtins: BTreeMap<Address, Builtin>) -> Self {
NullEngine{
params: params,
builtins: builtins,
factory: Factory::default()
})
}
}
}
@ -42,12 +45,20 @@ impl Engine for NullEngine {
&self.factory
}
fn name(&self) -> &str { "NullEngine" }
fn name(&self) -> &str {
"NullEngine"
}
fn spec(&self) -> &Spec { &self.spec }
fn params(&self) -> &CommonParams {
&self.params
}
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
&self.builtins
}
fn schedule(&self, env_info: &EnvInfo) -> Schedule {
if env_info.number < self.u64_param("frontierCompatibilityModeLimit") {
if env_info.number < self.params.frontier_compatibility_mode_limit {
Schedule::new_frontier()
} else {
Schedule::new_homestead()

18
ethcore/src/pod_account.rs
View File

@ -80,12 +80,22 @@ impl From<ethjson::blockchain::Account> for PodAccount {
balance: a.balance.into(),
nonce: a.nonce.into(),
code: a.code.into(),
storage: a.storage.into_iter().fold(BTreeMap::new(), |mut acc, (key, value)| {
storage: a.storage.into_iter().map(|(key, value)| {
let key: U256 = key.into();
let value: U256 = value.into();
acc.insert(H256::from(key), H256::from(value));
acc
})
(H256::from(key), H256::from(value))
}).collect()
}
}
}
impl From<ethjson::spec::Account> for PodAccount {
fn from(a: ethjson::spec::Account) -> Self {
PodAccount {
balance: a.balance.map_or_else(U256::zero, Into::into),
nonce: a.nonce.map_or_else(U256::zero, Into::into),
code: vec![],
storage: BTreeMap::new()
}
}
}

62
ethcore/src/pod_state.rs
View File

@ -46,33 +46,20 @@ impl PodState {
pub fn drain(self) -> BTreeMap<Address, PodAccount> { self.0 }
}
impl FromJson for PodState {
/// Translate the JSON object into a hash map of account information ready for insertion into State.
fn from_json(json: &Json) -> PodState {
PodState(json.as_object().unwrap().iter().fold(BTreeMap::new(), |mut state, (address, acc)| {
let balance = acc.find("balance").map(&U256::from_json);
let nonce = acc.find("nonce").map(&U256::from_json);
let storage = acc.find("storage").map(&BTreeMap::from_json);
let code = acc.find("code").map(&Bytes::from_json);
if balance.is_some() || nonce.is_some() || storage.is_some() || code.is_some() {
state.insert(address_from_hex(address), PodAccount{
balance: balance.unwrap_or_else(U256::zero),
nonce: nonce.unwrap_or_else(U256::zero),
storage: storage.unwrap_or_else(BTreeMap::new),
code: code.unwrap_or_else(Vec::new)
});
}
state
}))
impl From<ethjson::blockchain::State> for PodState {
fn from(s: ethjson::blockchain::State) -> PodState {
let state = s.into_iter().map(|(addr, acc)| (addr.into(), PodAccount::from(acc))).collect();
PodState(state)
}
}
impl From<ethjson::blockchain::State> for PodState {
fn from(s: ethjson::blockchain::State) -> PodState {
PodState(s.0.into_iter().fold(BTreeMap::new(), |mut acc, (key, value)| {
acc.insert(key.into(), PodAccount::from(value));
acc
}))
impl From<ethjson::spec::State> for PodState {
fn from(s: ethjson::spec::State) -> PodState {
let state: BTreeMap<_,_> = s.into_iter()
.filter(|pair| !pair.1.is_empty())
.map(|(addr, acc)| (addr.into(), PodAccount::from(acc)))
.collect();
PodState(state)
}
}
@ -85,30 +72,3 @@ impl fmt::Display for PodState {
}
}
#[cfg(test)]
mod tests {
extern crate rustc_serialize;
use super::*;
use rustc_serialize::*;
use util::from_json::FromJson;
use util::hash::*;
#[test]
fn it_serializes_form_json() {
let pod_state = PodState::from_json(&json::Json::from_str(
r#"
{
"0000000000000000000000000000000000000000": {
"balance": "1000",
"nonce": "100",
"storage": {},
"code" : []
}
}
"#
).unwrap());
assert!(pod_state.get().get(&ZERO_ADDRESS).is_some());
}
}

2
ethcore/src/service.rs
View File

@ -60,7 +60,7 @@ impl ClientService {
panic_handler.forward_from(&net_service);
info!("Starting {}", net_service.host_info());
info!("Configured for {} using {} engine", spec.name, spec.engine_name);
info!("Configured for {} using {:?} engine", spec.name, spec.engine.name());
let client = try!(Client::new(config, spec, db_path, net_service.io().channel()));
panic_handler.forward_from(client.deref());
let client_io = Arc::new(ClientIoHandler {

32
ethcore/src/spec/genesis.rs
View File

@ -16,26 +16,9 @@
use util::rlp::*;
use util::numbers::{Uint, U256};
use util::hash::{H64, Address, H256};
use util::hash::{Address, H256};
use ethjson;
/// Genesis seal type.
pub enum Seal {
/// Classic ethereum seal.
Ethereum {
/// Seal nonce.
nonce: H64,
/// Seal mix hash.
mix_hash: H256,
},
/// Generic seal.
Generic {
/// Number of seal fields.
fields: usize,
/// Seal rlp.
rlp: Vec<u8>,
},
}
use super::seal::Seal;
/// Genesis components.
pub struct Genesis {
@ -66,16 +49,7 @@ pub struct Genesis {
impl From<ethjson::spec::Genesis> for Genesis {
fn from(g: ethjson::spec::Genesis) -> Self {
Genesis {
seal: match (g.nonce, g.mix_hash) {
(Some(nonce), Some(mix_hash)) => Seal::Ethereum {
nonce: nonce.into(),
mix_hash: mix_hash.into(),
},
_ => Seal::Generic {
fields: g.seal_fields.unwrap(),
rlp: g.seal_rlp.unwrap().into(),
}
},
seal: From::from(g.seal),
difficulty: g.difficulty.into(),
author: g.author.into(),
timestamp: g.timestamp.into(),

1
ethcore/src/spec/mod.rs
View File

@ -17,6 +17,7 @@
//! Blockchain params.
mod genesis;
mod seal;
pub mod spec;
pub use self::spec::*;

81
ethcore/src/spec/seal.rs Normal file
View File

@ -0,0 +1,81 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Spec seal.
use util::rlp::*;
use util::hash::{H64, H256};
use ethjson;
/// Classic ethereum seal.
pub struct Ethereum {
/// Seal nonce.
pub nonce: H64,
/// Seal mix hash.
pub mix_hash: H256,
}
impl Into<Generic> for Ethereum {
fn into(self) -> Generic {
let mut s = RlpStream::new();
s.append(&self.mix_hash);
s.append(&self.nonce);
Generic {
fields: 2,
rlp: s.out()
}
}
}
/// Generic seal.
pub struct Generic {
/// Number of seal fields.
pub fields: usize,
/// Seal rlp.
pub rlp: Vec<u8>,
}
/// Genesis seal type.
pub enum Seal {
/// Classic ethereum seal.
Ethereum(Ethereum),
/// Generic seal.
Generic(Generic),
}
impl From<ethjson::spec::Seal> for Seal {
fn from(s: ethjson::spec::Seal) -> Self {
match s {
ethjson::spec::Seal::Ethereum(eth) => Seal::Ethereum(Ethereum {
nonce: eth.nonce.into(),
mix_hash: eth.mix_hash.into()
}),
ethjson::spec::Seal::Generic(g) => Seal::Generic(Generic {
fields: g.fields,
rlp: g.rlp.into()
})
}
}
}
impl Into<Generic> for Seal {
fn into(self) -> Generic {
match self {
Seal::Generic(generic) => generic,
Seal::Ethereum(eth) => eth.into()
}
}
}

240
ethcore/src/spec/spec.rs
View File

@ -21,55 +21,51 @@ use engine::*;
use pod_state::*;
use null_engine::*;
use account_db::*;
use super::genesis::Genesis;
use super::seal::Generic as GenericSeal;
use ethereum;
use super::genesis::{Seal as GenesisSeal, Genesis};
use ethjson;
/// Convert JSON value to equivalent RLP representation.
// TODO: handle container types.
fn json_to_rlp(json: &Json) -> Bytes {
match *json {
Json::Boolean(o) => encode(&(if o {1u64} else {0})).to_vec(),
Json::I64(o) => encode(&(o as u64)).to_vec(),
Json::U64(o) => encode(&o).to_vec(),
Json::String(ref s) if s.len() >= 2 && &s[0..2] == "0x" && U256::from_str(&s[2..]).is_ok() => {
encode(&U256::from_str(&s[2..]).unwrap()).to_vec()
},
Json::String(ref s) => {
encode(s).to_vec()
},
_ => panic!()
}
/// Parameters common to all engines.
#[derive(Debug, PartialEq, Clone)]
pub struct CommonParams {
/// Account start nonce.
pub account_start_nonce: U256,
/// Frontier compatibility mode limit.
pub frontier_compatibility_mode_limit: u64,
/// Maximum size of extra data.
pub maximum_extra_data_size: usize,
/// Network id.
pub network_id: U256,
/// Minimum gas limit.
pub min_gas_limit: U256,
}
/// Convert JSON to a string->RLP map.
fn json_to_rlp_map(json: &Json) -> HashMap<String, Bytes> {
json.as_object().unwrap().iter().map(|(k, v)| (k, json_to_rlp(v))).fold(HashMap::new(), |mut acc, kv| {
acc.insert(kv.0.clone(), kv.1);
acc
})
impl From<ethjson::spec::Params> for CommonParams {
fn from(p: ethjson::spec::Params) -> Self {
CommonParams {
account_start_nonce: p.account_start_nonce.into(),
frontier_compatibility_mode_limit: p.frontier_compatibility_mode_limit.into(),
maximum_extra_data_size: p.maximum_extra_data_size.into(),
network_id: p.network_id.into(),
min_gas_limit: p.min_gas_limit.into(),
}
}
}
/// Parameters for a block chain; includes both those intrinsic to the design of the
/// chain and those to be interpreted by the active chain engine.
#[derive(Debug)]
pub struct Spec {
/// User friendly spec name
pub name: String,
/// What engine are we using for this?
pub engine_name: String,
pub engine: Box<Engine>,
/// Known nodes on the network in enode format.
pub nodes: Vec<String>,
/// Network ID
pub network_id: U256,
/// Parameters concerning operation of the specific engine we're using.
/// Maps the parameter name to an RLP-encoded value.
pub engine_params: HashMap<String, Bytes>,
/// 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.)
pub builtins: BTreeMap<Address, Builtin>,
/// Parameters common to all engines.
pub params: CommonParams,
/// The genesis block's parent hash field.
pub parent_hash: H256,
@ -101,15 +97,41 @@ pub struct Spec {
genesis_state: PodState,
}
#[cfg_attr(feature="dev", allow(wrong_self_convention))] // because to_engine(self) should be to_engine(&self)
impl From<ethjson::spec::Spec> for Spec {
fn from(s: ethjson::spec::Spec) -> Self {
let builtins = s.accounts.builtins().into_iter().map(|p| (p.0.into(), From::from(p.1))).collect();
let g = Genesis::from(s.genesis);
let seal: GenericSeal = g.seal.into();
let params = CommonParams::from(s.params);
Spec {
name: s.name.into(),
params: params.clone(),
engine: Spec::engine(s.engine, params, builtins),
nodes: s.nodes.unwrap_or_else(Vec::new),
parent_hash: g.parent_hash,
transactions_root: g.transactions_root,
receipts_root: g.receipts_root,
author: g.author,
difficulty: g.difficulty,
gas_limit: g.gas_limit,
gas_used: g.gas_used,
timestamp: g.timestamp,
extra_data: g.extra_data,
seal_fields: seal.fields,
seal_rlp: seal.rlp,
state_root_memo: RwLock::new(g.state_root),
genesis_state: From::from(s.accounts)
}
}
}
impl Spec {
/// Convert this object into a boxed Engine of the right underlying type.
// TODO avoid this hard-coded nastiness - use dynamic-linked plugin framework instead.
pub fn to_engine(self) -> Result<Box<Engine>, Error> {
match self.engine_name.as_ref() {
"NullEngine" => Ok(NullEngine::new_boxed(self)),
"Ethash" => Ok(ethereum::Ethash::new_boxed(self)),
_ => Err(Error::UnknownEngineName(self.engine_name.clone()))
/// Convert engine spec into a boxed Engine of the right underlying type.
/// TODO avoid this hard-coded nastiness - use dynamic-linked plugin framework instead.
fn engine(engine_spec: ethjson::spec::Engine, params: CommonParams, builtins: BTreeMap<Address, Builtin>) -> Box<Engine> {
match engine_spec {
ethjson::spec::Engine::Null => Box::new(NullEngine::new(params, builtins)),
ethjson::spec::Engine::Ethash(ethash) => Box::new(ethereum::Ethash::new(params, From::from(ethash.params), builtins))
}
}
@ -125,7 +147,7 @@ impl Spec {
pub fn nodes(&self) -> &Vec<String> { &self.nodes }
/// Get the configured Network ID.
pub fn network_id(&self) -> U256 { self.network_id }
pub fn network_id(&self) -> U256 { self.params.network_id }
/// Get the header of the genesis block.
pub fn genesis_header(&self) -> Header {
@ -168,49 +190,9 @@ impl Spec {
ret.out()
}
/// Overwrite the genesis components with the given JSON, assuming standard Ethereum test format.
pub fn overwrite_genesis(&mut self, genesis: &Json) {
let (seal_fields, seal_rlp) = {
if genesis.find("mixHash").is_some() && genesis.find("nonce").is_some() {
let mut s = RlpStream::new();
s.append(&H256::from_json(&genesis["mixHash"]));
s.append(&H64::from_json(&genesis["nonce"]));
(2, s.out())
} else {
// backup algo that will work with sealFields/sealRlp (and without).
(
u64::from_json(&genesis["sealFields"]) as usize,
Bytes::from_json(&genesis["sealRlp"])
)
}
};
self.parent_hash = H256::from_json(&genesis["parentHash"]);
self.transactions_root = genesis.find("transactionsTrie").and_then(|_| Some(H256::from_json(&genesis["transactionsTrie"]))).unwrap_or(SHA3_NULL_RLP.clone());
self.receipts_root = genesis.find("receiptTrie").and_then(|_| Some(H256::from_json(&genesis["receiptTrie"]))).unwrap_or(SHA3_NULL_RLP.clone());
self.author = Address::from_json(&genesis["coinbase"]);
self.difficulty = U256::from_json(&genesis["difficulty"]);
self.gas_limit = U256::from_json(&genesis["gasLimit"]);
self.gas_used = U256::from_json(&genesis["gasUsed"]);
self.timestamp = u64::from_json(&genesis["timestamp"]);
self.extra_data = Bytes::from_json(&genesis["extraData"]);
self.seal_fields = seal_fields;
self.seal_rlp = seal_rlp;
self.state_root_memo = RwLock::new(genesis.find("stateRoot").and_then(|_| Some(H256::from_json(&genesis["stateRoot"]))));
}
/// Overwrite the genesis components.
pub fn overwrite_genesis_params(&mut self, g: Genesis) {
let (seal_fields, seal_rlp) = match g.seal {
GenesisSeal::Generic { fields, rlp } => (fields, rlp),
GenesisSeal::Ethereum { nonce, mix_hash } => {
let mut s = RlpStream::new();
s.append(&mix_hash);
s.append(&nonce);
(2, s.out())
}
};
let seal: GenericSeal = g.seal.into();
self.parent_hash = g.parent_hash;
self.transactions_root = g.transactions_root;
self.receipts_root = g.receipts_root;
@ -220,8 +202,8 @@ impl Spec {
self.gas_used = g.gas_used;
self.timestamp = g.timestamp;
self.extra_data = g.extra_data;
self.seal_fields = seal_fields;
self.seal_rlp = seal_rlp;
self.seal_fields = seal.fields;
self.seal_rlp = seal.rlp;
self.state_root_memo = RwLock::new(g.state_root);
}
@ -235,74 +217,7 @@ impl Spec {
pub fn is_state_root_valid(&self) -> bool {
self.state_root_memo.read().unwrap().clone().map_or(true, |sr| sr == self.genesis_state.root())
}
}
impl FromJson for Spec {
/// Loads a chain-specification from a json data structure
fn from_json(json: &Json) -> Spec {
// once we commit ourselves to some json parsing library (serde?)
// move it to proper data structure
let mut builtins = BTreeMap::new();
let mut state = PodState::new();
if let Some(&Json::Object(ref accounts)) = json.find("accounts") {
for (address, acc) in accounts.iter() {
let addr = Address::from_str(address).unwrap();
if let Some(ref builtin_json) = acc.find("builtin") {
if let Some(builtin) = Builtin::from_json(builtin_json) {
builtins.insert(addr.clone(), builtin);
}
}
}
state = xjson!(&json["accounts"]);
}
let nodes = if let Some(&Json::Array(ref ns)) = json.find("nodes") {
ns.iter().filter_map(|n| if let Json::String(ref s) = *n { Some(s.clone()) } else {None}).collect()
} else { Vec::new() };
let genesis = &json["genesis"];//.as_object().expect("No genesis object in JSON");
let (seal_fields, seal_rlp) = {
if genesis.find("mixHash").is_some() && genesis.find("nonce").is_some() {
let mut s = RlpStream::new();
s.append(&H256::from_str(&genesis["mixHash"].as_string().expect("mixHash not a string.")[2..]).expect("Invalid mixHash string value"));
s.append(&H64::from_str(&genesis["nonce"].as_string().expect("nonce not a string.")[2..]).expect("Invalid nonce string value"));
(2, s.out())
} else {
// backup algo that will work with sealFields/sealRlp (and without).
(
usize::from_str(&genesis["sealFields"].as_string().unwrap_or("0x")[2..]).expect("Invalid sealFields integer data"),
genesis["sealRlp"].as_string().unwrap_or("0x")[2..].from_hex().expect("Invalid sealRlp hex data")
)
}
};
Spec {
name: json.find("name").map_or("unknown", |j| j.as_string().unwrap()).to_owned(),
engine_name: json["engineName"].as_string().unwrap().to_owned(),
engine_params: json_to_rlp_map(&json["params"]),
nodes: nodes,
network_id: U256::from_str(&json["params"]["networkID"].as_string().unwrap()[2..]).unwrap(),
builtins: builtins,
parent_hash: H256::from_str(&genesis["parentHash"].as_string().unwrap()[2..]).unwrap(),
author: Address::from_str(&genesis["author"].as_string().unwrap()[2..]).unwrap(),
difficulty: U256::from_str(&genesis["difficulty"].as_string().unwrap()[2..]).unwrap(),
gas_limit: U256::from_str(&genesis["gasLimit"].as_string().unwrap()[2..]).unwrap(),
gas_used: U256::from(0u8),
timestamp: u64::from_str(&genesis["timestamp"].as_string().unwrap()[2..]).unwrap(),
transactions_root: SHA3_NULL_RLP.clone(),
receipts_root: SHA3_NULL_RLP.clone(),
extra_data: genesis["extraData"].as_string().unwrap()[2..].from_hex().unwrap(),
genesis_state: state,
seal_fields: seal_fields,
seal_rlp: seal_rlp,
state_root_memo: RwLock::new(genesis.find("stateRoot").and_then(|_| genesis["stateRoot"].as_string()).map(|s| H256::from_str(&s[2..]).unwrap())),
}
}
}
impl Spec {
/// Ensure that the given state DB has the trie nodes in for the genesis state.
pub fn ensure_db_good(&self, db: &mut HashDB) -> bool {
if !db.contains(&self.state_root()) {
@ -321,21 +236,20 @@ impl Spec {
} else { false }
}
/// Create a new Spec from a JSON UTF-8 data resource `data`.
pub fn from_json_utf8(data: &[u8]) -> Spec {
Self::from_json_str(::std::str::from_utf8(data).unwrap())
}
/// Create a new Spec from a JSON string.
pub fn from_json_str(s: &str) -> Spec {
Self::from_json(&Json::from_str(s).expect("Json is invalid"))
/// Loads spec from json file.
pub fn load(reader: &[u8]) -> Self {
From::from(ethjson::spec::Spec::load(reader).expect("invalid json file"))
}
/// Create a new Spec which conforms to the Morden chain except that it's a NullEngine consensus.
pub fn new_test() -> Spec { Self::from_json_utf8(include_bytes!("../../res/null_morden.json")) }
pub fn new_test() -> Spec {
Spec::load(include_bytes!("../../res/null_morden.json"))
}
/// Create a new Spec which conforms to the Morden chain except that it's a NullEngine consensus.
pub fn new_homestead_test() -> Spec { Self::from_json_utf8(include_bytes!("../../res/null_homestead_morden.json")) }
pub fn new_homestead_test() -> Spec {
Spec::load(include_bytes!("../../res/null_homestead_morden.json"))
}
}
#[cfg(test)]
@ -353,7 +267,5 @@ mod tests {
assert_eq!(test_spec.state_root(), H256::from_str("f3f4696bbf3b3b07775128eb7a3763279a394e382130f27c21e70233e04946a9").unwrap());
let genesis = test_spec.genesis_block();
assert_eq!(BlockView::new(&genesis).header_view().sha3(), H256::from_str("0cd786a2425d16f152c658316c423e6ce1181e15c3295826d7c9904cba9ce303").unwrap());
let _ = test_spec.to_engine();
}
}

8
ethcore/src/state.rs
View File

@ -548,7 +548,7 @@ fn should_not_trace_call_transaction_to_builtin() {
let mut info = EnvInfo::default();
info.gas_limit = x!(1_000_000);
let engine = Spec::new_test().to_engine().unwrap();
let engine = Spec::new_test().engine;
let t = Transaction {
nonce: x!(0),
@ -573,7 +573,7 @@ fn should_not_trace_subcall_transaction_to_builtin() {
let mut info = EnvInfo::default();
info.gas_limit = x!(1_000_000);
let engine = Spec::new_test().to_engine().unwrap();
let engine = Spec::new_test().engine;
let t = Transaction {
nonce: x!(0),
@ -611,7 +611,7 @@ fn should_not_trace_callcode() {
let mut info = EnvInfo::default();
info.gas_limit = x!(1_000_000);
let engine = Spec::new_test().to_engine().unwrap();
let engine = Spec::new_test().engine;
let t = Transaction {
nonce: x!(0),
@ -651,7 +651,7 @@ fn should_not_trace_delegatecall() {
let mut info = EnvInfo::default();
info.gas_limit = x!(1_000_000);
info.number = 0x789b0;
let engine = Spec::new_test().to_engine().unwrap();
let engine = Spec::new_test().engine;
println!("schedule.have_delegate_call: {:?}", engine.schedule(&info).have_delegate_call);

3
ethcore/src/tests/client.rs
View File

@ -40,8 +40,7 @@ fn returns_state_root_basic() {
let client_result = generate_dummy_client(6);
let client = client_result.reference();
let test_spec = get_test_spec();
let test_engine = test_spec.to_engine().unwrap();
let state_root = test_engine.spec().genesis_header().state_root;
let state_root = test_spec.genesis_header().state_root;
assert!(client.state_data(&state_root).is_some());
}

65
ethcore/src/tests/helpers.rs
View File

@ -52,7 +52,7 @@ impl<T> GuardedTempResult<T> {
pub struct TestEngine {
factory: Factory,
spec: Spec,
engine: Box<Engine>,
max_depth: usize
}
@ -60,18 +60,29 @@ impl TestEngine {
pub fn new(max_depth: usize, factory: Factory) -> TestEngine {
TestEngine {
factory: factory,
spec: ethereum::new_frontier_test(),
engine: ethereum::new_frontier_test().engine,
max_depth: max_depth
}
}
}
impl Engine for TestEngine {
fn name(&self) -> &str { "TestEngine" }
fn spec(&self) -> &Spec { &self.spec }
fn name(&self) -> &str {
"TestEngine"
}
fn params(&self) -> &CommonParams {
self.engine.params()
}
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
self.engine.builtins()
}
fn vm_factory(&self) -> &Factory {
&self.factory
}
fn schedule(&self, _env_info: &EnvInfo) -> Schedule {
let mut schedule = Schedule::new_frontier();
schedule.max_depth = self.max_depth;
@ -136,17 +147,17 @@ pub fn generate_dummy_client(block_number: u32) -> GuardedTempResult<Arc<Client>
let client = Client::new(ClientConfig::default(), get_test_spec(), dir.as_path(), IoChannel::disconnected()).unwrap();
let test_spec = get_test_spec();
let test_engine = test_spec.to_engine().unwrap();
let state_root = test_engine.spec().genesis_header().state_root;
let mut rolling_hash = test_engine.spec().genesis_header().hash();
let test_engine = &test_spec.engine;
let state_root = test_spec.genesis_header().state_root;
let mut rolling_hash = test_spec.genesis_header().hash();
let mut rolling_block_number = 1;
let mut rolling_timestamp = 40;
for _ in 0..block_number {
let mut header = Header::new();
header.gas_limit = decode(test_engine.spec().engine_params.get("minGasLimit").unwrap());
header.difficulty = decode(test_engine.spec().engine_params.get("minimumDifficulty").unwrap());
header.gas_limit = test_engine.params().min_gas_limit;
header.difficulty = U256::from(0x20000);
header.timestamp = rolling_timestamp;
header.number = rolling_block_number;
header.parent_hash = rolling_hash;
@ -171,8 +182,9 @@ pub fn generate_dummy_client(block_number: u32) -> GuardedTempResult<Arc<Client>
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.to_engine().unwrap();
let state_root = test_engine.spec().genesis_header().state_root;
let test_engine = &test_spec.engine;
//let test_engine = test_spec.to_engine().unwrap();
let state_root = test_spec.genesis_header().state_root;
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;
@ -180,8 +192,8 @@ pub fn push_blocks_to_client(client: &Arc<Client>, timestamp_salt: u64, starting
for _ in 0..block_number {
let mut header = Header::new();
header.gas_limit = decode(test_engine.spec().engine_params.get("minGasLimit").unwrap());
header.difficulty = decode(test_engine.spec().engine_params.get("minimumDifficulty").unwrap());
header.gas_limit = test_engine.params().min_gas_limit;
header.difficulty = U256::from(0x20000);
header.timestamp = rolling_timestamp;
header.number = rolling_block_number;
header.parent_hash = rolling_hash;
@ -279,24 +291,23 @@ pub fn get_temp_state_in(path: &Path) -> State {
pub fn get_good_dummy_block_seq(count: usize) -> Vec<Bytes> {
let test_spec = get_test_spec();
let test_engine = test_spec.to_engine().unwrap();
get_good_dummy_block_fork_seq(1, count, &test_engine.spec().genesis_header().hash())
get_good_dummy_block_fork_seq(1, count, &test_spec.genesis_header().hash())
}
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.to_engine().unwrap();
let test_engine = &test_spec.engine;
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.gas_limit = decode(test_engine.spec().engine_params.get("minGasLimit").unwrap());
block_header.gas_limit = test_engine.params().min_gas_limit;
block_header.difficulty = U256::from(i).mul(U256([0, 1, 0, 0]));
block_header.timestamp = rolling_timestamp;
block_header.number = i as u64;
block_header.parent_hash = parent;
block_header.state_root = test_engine.spec().genesis_header().state_root;
block_header.state_root = test_spec.genesis_header().state_root;
parent = block_header.hash();
rolling_timestamp = rolling_timestamp + 10;
@ -310,13 +321,13 @@ pub fn get_good_dummy_block_fork_seq(start_number: usize, count: usize, parent_h
pub fn get_good_dummy_block() -> Bytes {
let mut block_header = Header::new();
let test_spec = get_test_spec();
let test_engine = test_spec.to_engine().unwrap();
block_header.gas_limit = decode(test_engine.spec().engine_params.get("minGasLimit").unwrap());
block_header.difficulty = decode(test_engine.spec().engine_params.get("minimumDifficulty").unwrap());
let test_engine = &test_spec.engine;
block_header.gas_limit = test_engine.params().min_gas_limit;
block_header.difficulty = U256::from(0x20000);
block_header.timestamp = 40;
block_header.number = 1;
block_header.parent_hash = test_engine.spec().genesis_header().hash();
block_header.state_root = test_engine.spec().genesis_header().state_root;
block_header.parent_hash = test_spec.genesis_header().hash();
block_header.state_root = test_spec.genesis_header().state_root;
create_test_block(&block_header)
}
@ -324,12 +335,12 @@ 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.to_engine().unwrap();
block_header.gas_limit = decode(test_engine.spec().engine_params.get("minGasLimit").unwrap());
block_header.difficulty = decode(test_engine.spec().engine_params.get("minimumDifficulty").unwrap());
let test_engine = &test_spec.engine;
block_header.gas_limit = test_engine.params().min_gas_limit;
block_header.difficulty = U256::from(0x20000);
block_header.timestamp = 40;
block_header.number = 1;
block_header.parent_hash = test_engine.spec().genesis_header().hash();
block_header.parent_hash = test_spec.genesis_header().hash();
block_header.state_root = x!(0xbad);
create_test_block(&block_header)

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

@ -183,7 +183,7 @@ fn verify_header(header: &Header, engine: &Engine) -> Result<(), Error> {
if header.gas_used > header.gas_limit {
return Err(From::from(BlockError::TooMuchGasUsed(OutOfBounds { max: Some(header.gas_limit), min: None, found: header.gas_used })));
}
let min_gas_limit = decode(engine.spec().engine_params.get("minGasLimit").unwrap());
let min_gas_limit = engine.params().min_gas_limit;
if header.gas_limit < min_gas_limit {
return Err(From::from(BlockError::InvalidGasLimit(OutOfBounds { min: Some(min_gas_limit), max: None, found: header.gas_limit })));
}
@ -336,12 +336,10 @@ mod tests {
// Test against morden
let mut good = Header::new();
let spec = Spec::new_test();
let engine = spec.to_engine().unwrap();
let engine = &spec.engine;
let min_gas_limit = decode(engine.spec().engine_params.get("minGasLimit").unwrap());
let min_difficulty = decode(engine.spec().engine_params.get("minimumDifficulty").unwrap());
let min_gas_limit = engine.params().min_gas_limit;
good.gas_limit = min_gas_limit;
good.difficulty = min_difficulty;
good.timestamp = 40;
good.number = 10;

10
json/src/blockchain/blockchain.rs
View File

@ -21,7 +21,7 @@ use hash::H256;
use blockchain::state::State;
use blockchain::header::Header;
use blockchain::block::Block;
use spec::Genesis;
use spec::{Genesis, Seal, Ethereum};
/// Blockchain deserialization.
#[derive(Debug, PartialEq, Deserialize)]
@ -54,10 +54,10 @@ impl BlockChain {
/// Returns spec compatible genesis struct.
pub fn genesis(&self) -> Genesis {
Genesis {
nonce: Some(self.genesis_block.nonce.clone()),
mix_hash: Some(self.genesis_block.mix_hash.clone()),
seal_fields: None,
seal_rlp: None,
seal: Seal::Ethereum(Ethereum {
nonce: self.genesis_block.nonce.clone(),
mix_hash: self.genesis_block.mix_hash.clone(),
}),
difficulty: self.genesis_block.difficulty,
author: self.genesis_block.author.clone(),
timestamp: self.genesis_block.timestamp,

2
json/src/blockchain/state.rs
View File

@ -22,7 +22,7 @@ use blockchain::account::Account;
/// Blockchain test state deserializer.
#[derive(Debug, PartialEq, Deserialize, Clone)]
pub struct State(pub BTreeMap<Address, Account>);
pub struct State(BTreeMap<Address, Account>);
impl IntoIterator for State {
type Item = <BTreeMap<Address, Account> as IntoIterator>::Item;

16
json/src/spec/account.rs
View File

@ -22,9 +22,19 @@ use spec::builtin::Builtin;
/// Spec account.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Account {
builtin: Option<Builtin>,
balance: Option<Uint>,
nonce: Option<Uint>,
/// Builtin contract.
pub builtin: Option<Builtin>,
/// Balance.
pub balance: Option<Uint>,
/// Nonce.
pub nonce: Option<Uint>,
}
impl Account {
/// Returns true if account does not have nonce and balance.
pub fn is_empty(&self) -> bool {
self.balance.is_none() && self.nonce.is_none()
}
}
#[cfg(test)]

18
json/src/spec/builtin.rs
View File

@ -17,14 +17,16 @@
//! Spec builtin deserialization.
/// Linear pricing.
#[derive(Debug, PartialEq, Deserialize)]
#[derive(Debug, PartialEq, Deserialize, Clone)]
pub struct Linear {
base: u64,
word: u64,
/// Base price.
pub base: usize,
/// Price for word.
pub word: usize,
}
/// Pricing variants.
#[derive(Debug, PartialEq, Deserialize)]
#[derive(Debug, PartialEq, Deserialize, Clone)]
pub enum Pricing {
/// Linear pricing.
#[serde(rename="linear")]
@ -32,10 +34,12 @@ pub enum Pricing {
}
/// Spec builtin.
#[derive(Debug, PartialEq, Deserialize)]
#[derive(Debug, PartialEq, Deserialize, Clone)]
pub struct Builtin {
name: String,
pricing: Pricing,
/// Builtin name.
pub name: String,
/// Builtin pricing.
pub pricing: Pricing,
}
#[cfg(test)]

63
json/src/spec/engine.rs Normal file
View File

@ -0,0 +1,63 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Engine deserialization.
use serde::{Deserializer, Error};
use serde::de::Visitor;
use spec::Ethash;
/// Engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub enum Engine {
/// Null engine.
Null,
/// Ethash engine.
Ethash(Ethash),
}
#[cfg(test)]
mod tests {
use serde_json;
use spec::Engine;
#[test]
fn engine_deserialization() {
let s = r#"{
"Null": null
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
assert_eq!(Engine::Null, deserialized);
let s = r#"{
"Ethash": {
"params": {
"tieBreakingGas": false,
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}
}
}"#;
let _deserialized: Engine = serde_json::from_str(s).unwrap();
}
}

75
json/src/spec/ethash.rs Normal file
View File

@ -0,0 +1,75 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Ethash params deserialization.
use uint::Uint;
use hash::Address;
/// Ethash params deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct EthashParams {
/// Tie breaking gas.
#[serde(rename="tieBreakingGas")]
pub tie_breaking_gas: bool,
/// Gas limit divisor.
#[serde(rename="gasLimitBoundDivisor")]
pub gas_limit_bound_divisor: Uint,
/// Minimum difficulty.
#[serde(rename="minimumDifficulty")]
pub minimum_difficulty: Uint,
/// Difficulty bound divisor.
#[serde(rename="difficultyBoundDivisor")]
pub difficulty_bound_divisor: Uint,
/// Block duration.
#[serde(rename="durationLimit")]
pub duration_limit: Uint,
/// Block reward.
#[serde(rename="blockReward")]
pub block_reward: Uint,
/// Namereg contract address.
pub registrar: Address,
}
/// Ethash engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Ethash {
/// Ethash params.
pub params: EthashParams,
}
#[cfg(test)]
mod tests {
use serde_json;
use spec::ethash::Ethash;
#[test]
fn ethash_deserialization() {
let s = r#"{
"params": {
"tieBreakingGas": false,
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}
}"#;
let _deserialized: Ethash = serde_json::from_str(s).unwrap();
}
}

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

@ -17,27 +17,15 @@
//! Spec genesis deserialization.
use uint::Uint;
use hash::{H64, Address, H256};
use hash::{Address, H256};
use bytes::Bytes;
use spec::Seal;
/// Spec genesis.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Genesis {
// old seal
/// Seal nonce.
pub nonce: Option<H64>,
#[serde(rename="mixHash")]
/// Seal mix hash.
pub mix_hash: Option<H256>,
// new seal // TODO: consider moving it to a separate seal structure
#[serde(rename="sealFields")]
/// Number of seal fields.
pub seal_fields: Option<usize>,
#[serde(rename="sealRlp")]
/// Seal rlp.
pub seal_rlp: Option<Bytes>,
/// Seal.
pub seal: Seal,
/// Difficulty.
pub difficulty: Uint,
/// Block author.
@ -77,7 +65,12 @@ mod tests {
let s = r#"{
"nonce": "0x0000000000000042",
"difficulty": "0x400000000",
"seal": {
"ethereum": {
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"nonce": "0x00006d6f7264656e"
}
},
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

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

@ -21,9 +21,17 @@ pub mod builtin;
pub mod genesis;
pub mod params;
pub mod spec;
pub mod seal;
pub mod engine;
pub mod state;
pub mod ethash;
pub use self::account::Account;
pub use self::builtin::Builtin;
pub use self::builtin::{Builtin, Pricing, Linear};
pub use self::genesis::Genesis;
pub use self::params::Params;
pub use self::spec::Spec;
pub use self::seal::{Seal, Ethereum, Generic};
pub use self::engine::Engine;
pub use self::state::State;
pub use self::ethash::{Ethash, EthashParams};

43
json/src/spec/params.rs
View File

@ -17,34 +17,25 @@
//! Spec params deserialization.
use uint::Uint;
use hash::Address;
/// Spec params.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Params {
/// Account start nonce.
#[serde(rename="accountStartNonce")]
account_start_nonce: Uint,
pub account_start_nonce: Uint,
/// Homestead transition block number.
#[serde(rename="frontierCompatibilityModeLimit")]
frontier_compatibility_mode_limit: Uint,
pub frontier_compatibility_mode_limit: Uint,
/// Maximum size of extra data.
#[serde(rename="maximumExtraDataSize")]
maximum_extra_data_size: Uint,
#[serde(rename="tieBreakingGas")]
tie_breaking_gas: bool,
#[serde(rename="minGasLimit")]
min_gas_limit: Uint,
#[serde(rename="gasLimitBoundDivisor")]
gas_limit_bound_divisor: Uint,
#[serde(rename="minimumDifficulty")]
minimum_difficulty: Uint,
#[serde(rename="difficultyBoundDivisor")]
difficulty_bound_divisor: Uint,
#[serde(rename="durationLimit")]
duration_limit: Uint,
#[serde(rename="blockReward")]
block_reward: Uint,
registrar: Address,
pub maximum_extra_data_size: Uint,
/// Network id.
#[serde(rename="networkID")]
network_id: Uint,
pub network_id: Uint,
/// Minimum gas limit.
#[serde(rename="minGasLimit")]
pub min_gas_limit: Uint,
}
#[cfg(test)]
@ -55,19 +46,13 @@ mod tests {
#[test]
fn params_deserialization() {
let s = r#"{
"accountStartNonce": "0x00",
"frontierCompatibilityModeLimit": "0x118c30",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"networkID" : "0x1",
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"networkID" : "0x1"
"accountStartNonce": "0x00"
}"#;
let _deserialized: Params = serde_json::from_str(s).unwrap();
// TODO: validate all fields
}

73
json/src/spec/seal.rs Normal file
View File

@ -0,0 +1,73 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Spec seal deserialization.
use hash::{H64, H256};
use bytes::Bytes;
/// Ethereum seal.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Ethereum {
/// Seal nonce.
pub nonce: H64,
/// Seal mix hash.
#[serde(rename="mixHash")]
pub mix_hash: H256,
}
/// Generic seal.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Generic {
/// Number of fields.
pub fields: usize,
/// Their rlp.
pub rlp: Bytes,
}
/// Seal variants.
#[derive(Debug, PartialEq, Deserialize)]
pub enum Seal {
/// Ethereum seal.
#[serde(rename="ethereum")]
Ethereum(Ethereum),
/// Generic seal.
#[serde(rename="generic")]
Generic(Generic),
}
#[cfg(test)]
mod tests {
use serde_json;
use spec::Seal;
#[test]
fn builtin_deserialization() {
let s = r#"[{
"ethereum": {
"nonce": "0x0000000000000042",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
},{
"generic": {
"fields": 1,
"rlp": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"
}
}]"#;
let _deserialized: Vec<Seal> = serde_json::from_str(s).unwrap();
// TODO: validate all fields
}
}

59
json/src/spec/spec.rs
View File

@ -16,21 +16,33 @@
//! Spec deserialization.
use std::collections::BTreeMap;
use hash::Address;
use spec::account::Account;
use spec::params::Params;
use spec::genesis::Genesis;
use std::io::Read;
use serde_json;
use serde_json::Error;
use spec::{Params, Genesis, Engine, State};
/// Spec deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct Spec {
name: String,
#[serde(rename="engineName")]
engine_name: String, // TODO: consider making it an enum
params: Params,
genesis: Genesis,
accounts: BTreeMap<Address, Account>,
/// Spec name.
pub name: String,
/// Engine.
pub engine: Engine,
/// Spec params.
pub params: Params,
/// Genesis header.
pub genesis: Genesis,
/// Genesis state.
pub accounts: State,
/// Boot nodes.
pub nodes: Option<Vec<String>>,
}
impl Spec {
/// Loads test from json.
pub fn load<R>(reader: R) -> Result<Self, Error> where R: Read {
serde_json::from_reader(reader)
}
}
#[cfg(test)]
@ -42,25 +54,34 @@ mod tests {
fn spec_deserialization() {
let s = r#"{
"name": "Morden",
"engineName": "Ethash",
"engine": {
"Ethash": {
"params": {
"accountStartNonce": "0x0100000",
"frontierCompatibilityModeLimit": "0x789b0",
"maximumExtraDataSize": "0x20",
"tieBreakingGas": false,
"minGasLimit": "0x1388",
"gasLimitBoundDivisor": "0x0400",
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"blockReward": "0x4563918244F40000",
"registrar": "",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}
}
},
"params": {
"accountStartNonce": "0x0100000",
"frontierCompatibilityModeLimit": "0x789b0",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x2"
},
"genesis": {
"nonce": "0x00006d6f7264656e",
"seal": {
"ethereum": {
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"nonce": "0x00006d6f7264656e"
}
},
"difficulty": "0x20000",
"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",

44
json/src/spec/state.rs Normal file
View File

@ -0,0 +1,44 @@
// Copyright 2015, 2016 Ethcore (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/>.
//! Blockchain test state deserializer.
use std::collections::BTreeMap;
use hash::Address;
use spec::{Account, Builtin};
/// Blockchain test state deserializer.
#[derive(Debug, PartialEq, Deserialize)]
pub struct State(BTreeMap<Address, Account>);
impl State {
/// Returns all builtins.
pub fn builtins(&self) -> BTreeMap<Address, Builtin> {
self.0
.iter()
.filter_map(|ref pair| pair.1.builtin.clone().map(|b| (pair.0.clone(), b.clone())))
.collect()
}
}
impl IntoIterator for State {
type Item = <BTreeMap<Address, Account> as IntoIterator>::Item;
type IntoIter = <BTreeMap<Address, Account> as IntoIterator>::IntoIter;
fn into_iter(self) -> Self::IntoIter {
self.0.into_iter()
}
}

17
json/src/uint.rs
View File

@ -23,7 +23,7 @@ use util::numbers::{U256, Uint as U};
/// Lenient uint json deserialization for test json files.
#[derive(Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
pub struct Uint(U256);
pub struct Uint(pub U256);
impl Into<U256> for Uint {
fn into(self) -> U256 {
@ -37,9 +37,15 @@ impl Into<u64> for Uint {
}
}
impl Into<usize> for Uint {
fn into(self) -> usize {
// TODO: clean it after util conversions refactored.
u64::from(self.0) as usize
}
}
impl Into<u8> for Uint {
fn into(self) -> u8 {
<Uint as Into<u64>>::into(self) as u8
u64::from(self.0) as u8
}
}
@ -55,6 +61,10 @@ struct UintVisitor;
impl Visitor for UintVisitor {
type Value = Uint;
fn visit_u64<E>(&mut self, value: u64) -> Result<Self::Value, E> where E: Error {
Ok(Uint(U256::from(value)))
}
fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E> where E: Error {
let value = match value.len() {
0 => U256::from(0),
@ -83,12 +93,13 @@ mod test {
#[test]
fn uint_deserialization() {
let s = r#"["0xa", "10", "", "0x"]"#;
let s = r#"["0xa", "10", "", "0x", 0]"#;
let deserialized: Vec<Uint> = serde_json::from_str(s).unwrap();
assert_eq!(deserialized, vec![
Uint(U256::from(10)),
Uint(U256::from(10)),
Uint(U256::from(0)),
Uint(U256::from(0)),
Uint(U256::from(0))
]);
}

2
parity/main.rs
View File

@ -476,7 +476,7 @@ impl Configuration {
"frontier" | "homestead" | "mainnet" => ethereum::new_frontier(),
"morden" | "testnet" => ethereum::new_morden(),
"olympic" => ethereum::new_olympic(),
f => Spec::from_json_utf8(contents(f).unwrap_or_else(|_| {
f => Spec::load(contents(f).unwrap_or_else(|_| {
die!("{}: Couldn't read chain specification file. Sure it exists?", f)
}).as_ref()),
}