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Generalize engine trait (#6591)

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* move common forks and parameters to common params

* port specs over to new format

* fix RPC tests

* parity-machine skeleton

* remove block type

* extract out ethereum-specific methods into EthereumMachine

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

* initial porting to machine

* move block reward back into engine

* abstract block reward logic

* move last hash and DAO HF logic into machine

* begin making engine function parameters generic

* abstract epoch verifier and ethash block reward logic

* instantiate special ethereummachine for ethash in spec

* optional full verification in verify_block_family

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

* fix warnings

* fix most tests, further generalize engine trait

* uncomment nullengine, get ethcore tests compiling

* fix warnings

* update a bunch of specs

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

* migrate basic_authority engine

* move last hashes into executedblock

* port tendermint

* make all ethcore tests pass

* json-tests compilation

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

* fix minor grumbles

* validate chainspecs

* fix broken import

* fix transaction verification for pre-homestead
This commit is contained in:
Robert Habermeier
2017-09-26 14:19:08 +02:00
committed by Gav Wood
parent d8af9f4e7b
commit bc167a211b
85 changed files with 2233 additions and 1923 deletions
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25
json/src/spec/engine.rs
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@@ -16,14 +16,14 @@
//! Engine deserialization.
use super::{Ethash, BasicAuthority, AuthorityRound, Tendermint};
use super::{Ethash, BasicAuthority, AuthorityRound, Tendermint, NullEngine};
/// Engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub enum Engine {
/// Null engine.
#[serde(rename="null")]
Null,
Null(NullEngine),
/// Instantly sealing engine.
#[serde(rename="instantSeal")]
InstantSeal,
@@ -48,11 +48,18 @@ mod tests {
#[test]
fn engine_deserialization() {
let s = r#"{
"null": null
"null": {
"params": {
"blockReward": "0x0d"
}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
assert_eq!(Engine::Null, deserialized);
match deserialized {
Engine::Null(_) => {}, // unit test in its own file.
_ => panic!(),
}
let s = r#"{
"instantSeal": null
@@ -61,7 +68,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::InstantSeal => {}, // instant seal is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@@ -82,7 +89,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Ethash(_) => {}, // ethash is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@@ -98,7 +105,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::BasicAuthority(_) => {}, // basicAuthority is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@@ -116,7 +123,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::AuthorityRound(_) => {}, // AuthorityRound is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
let s = r#"{
@@ -131,7 +138,7 @@ mod tests {
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Tendermint(_) => {}, // Tendermint is unit tested in its own file.
_ => assert!(false),
_ => panic!(),
};
}
}