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cmd/utils, core, params: explicitly pick reprice fork for fast sync

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This commit is contained in:
Péter Szilágyi
2016-10-24 11:40:58 +03:00
parent 00665a0b72
commit 8639b0fae9
4 changed files with 32 additions and 7 deletions
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10
core/block_validator.go
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@ -248,7 +248,15 @@ func ValidateHeader(config *ChainConfig, pow pow.PoW, header *types.Header, pare
}
}
// If all checks passed, validate the extra-data field for hard forks
return ValidateDAOHeaderExtraData(config, header)
if err := ValidateDAOHeaderExtraData(config, header); err != nil {
return err
}
if config.HomesteadGasRepriceBlock != nil && config.HomesteadGasRepriceBlock.Cmp(header.Number) == 0 {
if config.HomesteadGasRepriceHash != (common.Hash{}) && config.HomesteadGasRepriceHash != header.Hash() {
return ValidationError("Homestead gas reprice fork hash mismatch: have 0x%x, want 0x%x", header.Hash(), config.HomesteadGasRepriceBlock)
}
}
return nil
}
// CalcDifficulty is the difficulty adjustment algorithm. It returns

4
core/config.go
View File

@ -20,6 +20,7 @@ import (
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/params"
)
@ -36,7 +37,8 @@ type ChainConfig struct {
DAOForkBlock *big.Int `json:"daoForkBlock"` // TheDAO hard-fork switch block (nil = no fork)
DAOForkSupport bool `json:"daoForkSupport"` // Whether the nodes supports or opposes the DAO hard-fork
HomesteadGasRepriceBlock *big.Int `json:"homesteadGasRepriceBlock"` // Homestead gas reprice switch block (nil = no fork)
HomesteadGasRepriceBlock *big.Int `json:"homesteadGasRepriceBlock"` // Homestead gas reprice switch block (nil = no fork)
HomesteadGasRepriceHash common.Hash `json:"homesteadGasRepriceHash"` // Homestead gas reprice switch block hash (fast sync aid)
VmConfig vm.Config `json:"-"`
}