mirror of https://github.com/poanetwork/quorum.git
Merge pull request #594 from Gustav-Simonsson/fix_block_header_gas_limit_validation
Correct gas limit validation according to new algorithm
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485dcf90cd
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@ -260,10 +260,13 @@ func (sm *BlockProcessor) ValidateHeader(block, parent *types.Header) error {
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return fmt.Errorf("Difficulty check failed for block %v, %v", block.Difficulty, expd)
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}
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// TODO: use use minGasLimit and gasLimitBoundDivisor from
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// https://github.com/ethereum/common/blob/master/params.json
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// block.gasLimit - parent.gasLimit <= parent.gasLimit / 1024
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a := new(big.Int).Sub(block.GasLimit, parent.GasLimit)
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a.Abs(a)
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b := new(big.Int).Div(parent.GasLimit, big.NewInt(1024))
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if a.Cmp(b) > 0 {
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if !(a.Cmp(b) < 0) {
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return fmt.Errorf("GasLimit check failed for block %v (%v > %v)", block.GasLimit, a, b)
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}
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