From bf5f0b1d0cf9207c8958646f6ac16ffbaf89d7fa Mon Sep 17 00:00:00 2001 From: Gustav Simonsson Date: Wed, 27 May 2015 13:30:24 +0200 Subject: [PATCH] Update ValidateHeader comments --- core/block_processor.go | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/core/block_processor.go b/core/block_processor.go index 037782407..e064cdd80 100644 --- a/core/block_processor.go +++ b/core/block_processor.go @@ -285,9 +285,8 @@ func (self *BlockProcessor) GetBlockReceipts(bhash common.Hash) (receipts types. } -// Validates the current block. Returns an error if the block was invalid, -// an uncle or anything that isn't on the current block chain. -// Validation validates easy over difficult (dagger takes longer time = difficult) +// See YP section 4.3.4. "Block Header Validity" +// Validates a block. Returns an error if the block is invalid. func (sm *BlockProcessor) ValidateHeader(block, parent *types.Header, checkPow bool) error { if big.NewInt(int64(len(block.Extra))).Cmp(params.MaximumExtraDataSize) == 1 { return fmt.Errorf("Block extra data too long (%d)", len(block.Extra)) @@ -298,7 +297,6 @@ func (sm *BlockProcessor) ValidateHeader(block, parent *types.Header, checkPow b return fmt.Errorf("Difficulty check failed for block %v, %v", block.Difficulty, expd) } - // block.gasLimit - parent.gasLimit <= parent.gasLimit / GasLimitBoundDivisor a := new(big.Int).Sub(block.GasLimit, parent.GasLimit) a.Abs(a) b := new(big.Int).Div(parent.GasLimit, params.GasLimitBoundDivisor)