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Move more params to the common section. (#6134)

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* move common forks and parameters to common params

* port specs over to new format

* fix RPC tests
This commit is contained in:
Robert Habermeier
2017-07-31 12:34:29 +02:00
committed by Gav Wood
parent 9c5ef1f776
commit 003eef982b
55 changed files with 224 additions and 358 deletions
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54
ethcore/src/ethereum/ethash.rs
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@@ -41,8 +41,6 @@ const SNAPSHOT_BLOCKS: u64 = 30000;
/// Ethash params.
#[derive(Debug, PartialEq)]
pub struct EthashParams {
/// Gas limit divisor.
pub gas_limit_bound_divisor: U256,
/// Minimum difficulty.
pub minimum_difficulty: U256,
/// Difficulty bound divisor.
@@ -53,10 +51,6 @@ pub struct EthashParams {
pub metropolis_difficulty_increment_divisor: u64,
/// Block duration.
pub duration_limit: u64,
/// Block reward.
pub block_reward: U256,
/// Namereg contract address.
pub registrar: Address,
/// Homestead transition block number.
pub homestead_transition: u64,
/// DAO hard-fork transition block (X).
@@ -75,8 +69,6 @@ pub struct EthashParams {
pub eip100b_transition: u64,
/// Number of first block where EIP-150 rules begin.
pub eip150_transition: u64,
/// Number of first block where EIP-155 rules begin.
pub eip155_transition: u64,
/// Number of first block where EIP-160 rules begin.
pub eip160_transition: u64,
/// Number of first block where EIP-161.abc begin.
@@ -104,14 +96,11 @@ pub struct EthashParams {
impl From<ethjson::spec::EthashParams> for EthashParams {
fn from(p: ethjson::spec::EthashParams) -> Self {
EthashParams {
gas_limit_bound_divisor: p.gas_limit_bound_divisor.into(),
minimum_difficulty: p.minimum_difficulty.into(),
difficulty_bound_divisor: p.difficulty_bound_divisor.into(),
difficulty_increment_divisor: p.difficulty_increment_divisor.map_or(10, Into::into),
metropolis_difficulty_increment_divisor: p.metropolis_difficulty_increment_divisor.map_or(9, Into::into),
duration_limit: p.duration_limit.map_or(0, Into::into),
block_reward: p.block_reward.into(),
registrar: p.registrar.map_or_else(Address::new, Into::into),
homestead_transition: p.homestead_transition.map_or(0, Into::into),
dao_hardfork_transition: p.dao_hardfork_transition.map_or(u64::max_value(), Into::into),
dao_hardfork_beneficiary: p.dao_hardfork_beneficiary.map_or_else(Address::new, Into::into),
@@ -121,7 +110,6 @@ impl From<ethjson::spec::EthashParams> for EthashParams {
bomb_defuse_transition: p.bomb_defuse_transition.map_or(u64::max_value(), Into::into),
eip100b_transition: p.eip100b_transition.map_or(u64::max_value(), Into::into),
eip150_transition: p.eip150_transition.map_or(0, Into::into),
eip155_transition: p.eip155_transition.map_or(0, Into::into),
eip160_transition: p.eip160_transition.map_or(0, Into::into),
eip161abc_transition: p.eip161abc_transition.map_or(0, Into::into),
eip161d_transition: p.eip161d_transition.map_or(u64::max_value(), Into::into),
@@ -185,7 +173,7 @@ impl Engine for Arc<Ethash> {
fn seal_fields(&self) -> usize { 2 }
fn params(&self) -> &CommonParams { &self.params }
fn additional_params(&self) -> HashMap<String, String> { hash_map!["registrar".to_owned() => self.ethash_params.registrar.hex()] }
fn additional_params(&self) -> HashMap<String, String> { hash_map!["registrar".to_owned() => self.params().registrar.hex()] }
fn builtins(&self) -> &BTreeMap<Address, Builtin> {
&self.builtins
@@ -216,7 +204,7 @@ impl Engine for Arc<Ethash> {
}
fn signing_network_id(&self, env_info: &EnvInfo) -> Option<u64> {
if env_info.number >= self.ethash_params.eip155_transition {
if env_info.number >= self.params().eip155_transition {
Some(self.params().chain_id)
} else {
None
@@ -231,7 +219,7 @@ impl Engine for Arc<Ethash> {
}
let gas_limit = {
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.ethash_params.gas_limit_bound_divisor;
let bound_divisor = self.params().gas_limit_bound_divisor;
let lower_limit = gas_limit - gas_limit / bound_divisor + 1.into();
let upper_limit = gas_limit + gas_limit / bound_divisor - 1.into();
let gas_limit = if gas_limit < gas_floor_target {
@@ -284,7 +272,7 @@ impl Engine for Arc<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) -> Result<(), Error> {
let reward = self.ethash_params.block_reward;
let reward = self.params().block_reward;
let fields = block.fields_mut();
let eras_rounds = self.ethash_params.ecip1017_era_rounds;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, fields.header.number());
@@ -387,7 +375,7 @@ impl Engine for Arc<Ethash> {
if header.difficulty() != &expected_difficulty {
return Err(From::from(BlockError::InvalidDifficulty(Mismatch { expected: expected_difficulty, found: header.difficulty().clone() })))
}
let gas_limit_divisor = self.ethash_params.gas_limit_bound_divisor;
let gas_limit_divisor = self.params().gas_limit_bound_divisor;
let parent_gas_limit = *parent.gas_limit();
let min_gas = parent_gas_limit - parent_gas_limit / gas_limit_divisor;
let max_gas = parent_gas_limit + parent_gas_limit / gas_limit_divisor;
@@ -406,7 +394,7 @@ impl Engine for Arc<Ethash> {
}
let check_low_s = header.number() >= self.ethash_params.homestead_transition;
let network_id = if header.number() >= self.ethash_params.eip155_transition { Some(self.params().chain_id) } else { None };
let network_id = if header.number() >= self.params().eip155_transition { Some(self.params().chain_id) } else { None };
t.verify_basic(check_low_s, network_id, false)?;
Ok(())
}
@@ -809,36 +797,32 @@ mod tests {
#[test]
fn has_valid_ecip1017_eras_block_reward() {
let ethparams = EthashParams {
// see ethcore/res/ethereum/classic.json
ecip1017_era_rounds: 5000000,
block_reward: U256::from_str("4563918244F40000").unwrap(),
..get_default_ethash_params()
};
let eras_rounds = ethparams.ecip1017_era_rounds;
let reward = ethparams.block_reward;
let eras_rounds = 5000000;
let start_reward: U256 = "4563918244F40000".parse().unwrap();
let block_number = 0;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, block_number);
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(0, eras);
assert_eq!(U256::from_str("4563918244F40000").unwrap(), reward);
let reward = ethparams.block_reward;
let block_number = 5000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, block_number);
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(0, eras);
assert_eq!(U256::from_str("4563918244F40000").unwrap(), reward);
let reward = ethparams.block_reward;
let block_number = 10000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, block_number);
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(1, eras);
assert_eq!(U256::from_str("3782DACE9D900000").unwrap(), reward);
let reward = ethparams.block_reward;
let block_number = 20000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, block_number);
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(3, eras);
assert_eq!(U256::from_str("2386F26FC1000000").unwrap(), reward);
let reward = ethparams.block_reward;
let block_number = 80000000;
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, reward, block_number);
let (eras, reward) = ecip1017_eras_block_reward(eras_rounds, start_reward, block_number);
assert_eq!(15, eras);
assert_eq!(U256::from_str("271000000000000").unwrap(), reward);
}