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txscript: Drop the mutex before doing crypto

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David Hill 2017-01-31 13:44:45 -05:00
parent 554460feda
commit 9f71f090e6
1 changed files with 3 additions and 6 deletions
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9
txscript/sigcache.go
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@ -57,13 +57,10 @@ func NewSigCache(maxEntries uint) *SigCache {
// unless there exists a writer, adding an entry to the SigCache.
func (s *SigCache) Exists(sigHash chainhash.Hash, sig *btcec.Signature, pubKey *btcec.PublicKey) bool {
s.RLock()
defer s.RUnlock()
entry, ok := s.validSigs[sigHash]
s.RUnlock()
if entry, ok := s.validSigs[sigHash]; ok {
return entry.pubKey.IsEqual(pubKey) && entry.sig.IsEqual(sig)
}
return false
return ok && entry.pubKey.IsEqual(pubKey) && entry.sig.IsEqual(sig)
}
// Add adds an entry for a signature over 'sigHash' under public key 'pubKey'