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crypto: add SignatureLength constant and use it everywhere (#19996)

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Original change by @jpeletier
This commit is contained in:
Felix Lange
2019-08-22 15:14:06 +02:00
committed by GitHub
parent b90cdbaa79
commit 54b271a86d
11 changed files with 46 additions and 33 deletions
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6
consensus/clique/clique.go
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@ -55,8 +55,8 @@ const (
var (
epochLength = uint64(30000) // Default number of blocks after which to checkpoint and reset the pending votes
extraVanity = 32 // Fixed number of extra-data prefix bytes reserved for signer vanity
extraSeal = 65 // Fixed number of extra-data suffix bytes reserved for signer seal
extraVanity = 32 // Fixed number of extra-data prefix bytes reserved for signer vanity
extraSeal = crypto.SignatureLength // Fixed number of extra-data suffix bytes reserved for signer seal
nonceAuthVote = hexutil.MustDecode("0xffffffffffffffff") // Magic nonce number to vote on adding a new signer
nonceDropVote = hexutil.MustDecode("0x0000000000000000") // Magic nonce number to vote on removing a signer.
@ -728,7 +728,7 @@ func encodeSigHeader(w io.Writer, header *types.Header) {
header.GasLimit,
header.GasUsed,
header.Time,
header.Extra[:len(header.Extra)-65], // Yes, this will panic if extra is too short
header.Extra[:len(header.Extra)-crypto.SignatureLength], // Yes, this will panic if extra is too short
header.MixDigest,
header.Nonce,
})