Limit block extra to 1024

pull/239/head
obscuren 10 years ago
parent c9985bf563
commit cc7f8f58e8
  1. 4
      core/block_processor.go

@ -258,6 +258,10 @@ func (sm *BlockProcessor) CalculateTD(block *types.Block) (*big.Int, bool) {
// an uncle or anything that isn't on the current block chain.
// Validation validates easy over difficult (dagger takes longer time = difficult)
func (sm *BlockProcessor) ValidateBlock(block, parent *types.Block) error {
if len(block.Header().Extra) > 1024 {
return fmt.Errorf("Block extra data too long (%d)", len(block.Header().Extra))
}
expd := CalcDifficulty(block, parent)
if expd.Cmp(block.Header().Difficulty) < 0 {
return fmt.Errorf("Difficulty check failed for block %v, %v", block.Header().Difficulty, expd)

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