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cmd, core, eth, miner, params, tests: finalize the DAO fork

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Péter Szilágyi
2016-07-14 11:22:58 +03:00
parent 3291235711
commit 2c2e389b77
12 changed files with 7520 additions and 415 deletions
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29
core/block_validator.go
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@ -17,7 +17,6 @@
package core
import (
"bytes"
"fmt"
"math/big"
"time"
@ -249,33 +248,7 @@ func ValidateHeader(config *ChainConfig, pow pow.PoW, header *types.Header, pare
}
}
// If all checks passed, validate the extra-data field for hard forks
return ValidateHeaderExtraData(config, header)
}
// ValidateHeaderExtraData validates the extra-data field of a block header to
// ensure it conforms to hard-fork rules.
func ValidateHeaderExtraData(config *ChainConfig, header *types.Header) error {
// DAO hard-fork extension to the header validity: a) if the node is no-fork,
// do not accept blocks in the [fork, fork+10) range with the fork specific
// extra-data set; b) if the node is pro-fork, require blocks in the specific
// range to have the unique extra-data set.
if daoBlock := config.DAOForkBlock; daoBlock != nil {
// Check whether the block is among the fork extra-override range
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
if daoBlock.Cmp(header.Number) <= 0 && header.Number.Cmp(limit) < 0 {
// Depending whether we support or oppose the fork, verrift the extra-data contents
if config.DAOForkSupport {
if bytes.Compare(header.Extra, params.DAOForkBlockExtra) != 0 {
return ValidationError("DAO pro-fork bad block extra-data: 0x%x", header.Extra)
}
} else {
if bytes.Compare(header.Extra, params.DAOForkBlockExtra) == 0 {
return ValidationError("DAO no-fork bad block extra-data: 0x%x", header.Extra)
}
}
}
}
return nil
return ValidateDAOHeaderExtraData(config, header)
}
// CalcDifficulty is the difficulty adjustment algorithm. It returns