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consensus, core, params: rebrand Metro to Byzantium

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This commit is contained in:
Péter Szilágyi
2017-09-14 10:07:31 +03:00
parent 79b11121a7
commit 5bbd7fb390
12 changed files with 86 additions and 86 deletions
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20
consensus/ethash/consensus.go
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@ -36,9 +36,9 @@ import (
// Ethash proof-of-work protocol constants.
var (
frontierBlockReward *big.Int = big.NewInt(5e+18) // Block reward in wei for successfully mining a block
metropolisBlockReward *big.Int = big.NewInt(3e+18) // Block reward in wei for successfully mining a block upward from Metropolis
maxUncles = 2 // Maximum number of uncles allowed in a single block
frontierBlockReward *big.Int = big.NewInt(5e+18) // Block reward in wei for successfully mining a block
byzantiumBlockReward *big.Int = big.NewInt(3e+18) // Block reward in wei for successfully mining a block upward from Byzantium
maxUncles = 2 // Maximum number of uncles allowed in a single block
)
// Various error messages to mark blocks invalid. These should be private to
@ -290,8 +290,8 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainReader, header, parent *
func CalcDifficulty(config *params.ChainConfig, time uint64, parent *types.Header) *big.Int {
next := new(big.Int).Add(parent.Number, big1)
switch {
case config.IsMetropolis(next):
return calcDifficultyMetropolis(time, parent)
case config.IsByzantium(next):
return calcDifficultyByzantium(time, parent)
case config.IsHomestead(next):
return calcDifficultyHomestead(time, parent)
default:
@ -310,10 +310,10 @@ var (
big2999999 = big.NewInt(2999999)
)
// calcDifficultyMetropolis is the difficulty adjustment algorithm. It returns
// calcDifficultyByzantium is the difficulty adjustment algorithm. It returns
// the difficulty that a new block should have when created at time given the
// parent block's time and difficulty. The calculation uses the Metropolis rules.
func calcDifficultyMetropolis(time uint64, parent *types.Header) *big.Int {
// parent block's time and difficulty. The calculation uses the Byzantium rules.
func calcDifficultyByzantium(time uint64, parent *types.Header) *big.Int {
// https://github.com/ethereum/EIPs/issues/100.
// algorithm:
// diff = (parent_diff +
@ -530,8 +530,8 @@ var (
func AccumulateRewards(config *params.ChainConfig, state *state.StateDB, header *types.Header, uncles []*types.Header) {
// Select the correct block reward based on chain progression
blockReward := frontierBlockReward
if config.IsMetropolis(header.Number) {
blockReward = metropolisBlockReward
if config.IsByzantium(header.Number) {
blockReward = byzantiumBlockReward
}
// Accumulate the rewards for the miner and any included uncles
reward := new(big.Int).Set(blockReward)