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add function IsZero for type Hash

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Daniel Liu 2023-07-14 11:25:22 +08:00
parent 1718a5b66b
commit 8339e133ee
1 changed files with 3 additions and 0 deletions
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3
common/types.go
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@ -73,6 +73,9 @@ func BigToHash(b *big.Int) Hash { return BytesToHash(b.Bytes()) }
func Uint64ToHash(b uint64) Hash { return BytesToHash(new(big.Int).SetUint64(b).Bytes()) }
func HexToHash(s string) Hash { return BytesToHash(FromHex(s)) }
// IsZero returns if a Hash is empty
func (h Hash) IsZero() bool { return h == Hash{} }
// Get the string representation of the underlying hash
func (h Hash) Str() string { return string(h[:]) }
func (h Hash) Bytes() []byte { return h[:] }