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revocation: split up methods to get current pre-image and hash

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This commit is contained in:
Olaoluwa Osuntokun 2015-12-20 21:46:41 -06:00
parent 34e35fe2d5
commit 422f0a9791
1 changed files with 14 additions and 5 deletions
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19
revocation/shachain.go
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@ -9,6 +9,7 @@ import (
"sync"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/fastsha256"
)
const (
@ -135,11 +136,19 @@ func (h *HyperShaChain) AddNextHash(hash [32]byte) error {
return nil
}
// CurrentHash...
func (h *HyperShaChain) CurrentHash() (*wire.ShaHash, error) {
h.Lock()
defer h.Unlock()
return &h.lastHash, nil
// CurrentPreImage...
func (h *HyperShaChain) CurrentPreImage() *wire.ShaHash {
h.RLock()
defer h.RUnlock()
return &h.lastHash
}
// CurrentRevocationHash...
// TODO(roasbeef): *wire.ShaHash vs [wire.HashSize]byte ?
func (h *HyperShaChain) CurrentRevocationHash() [wire.HashSize]byte {
h.RLock()
defer h.RUnlock()
return fastsha256.Sum256(h.lastHash[:])
}
// LocatePreImage...