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hash.go
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hash.go
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// Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package payload
import (
"fmt"
"github.com/ava-labs/avalanchego/ids"
)
var _ Payload = (*Hash)(nil)
type Hash struct {
Hash ids.ID `serialize:"true"`
bytes []byte
}
// NewHash creates a new *Hash and initializes it.
func NewHash(hash ids.ID) (*Hash, error) {
bhp := &Hash{
Hash: hash,
}
return bhp, initialize(bhp)
}
// ParseHash converts a slice of bytes into an initialized Hash.
func ParseHash(b []byte) (*Hash, error) {
payloadIntf, err := Parse(b)
if err != nil {
return nil, err
}
payload, ok := payloadIntf.(*Hash)
if !ok {
return nil, fmt.Errorf("%w: %T", errWrongType, payloadIntf)
}
return payload, nil
}
// Bytes returns the binary representation of this payload. It assumes that the
// payload is initialized from either NewHash or Parse.
func (b *Hash) Bytes() []byte {
return b.bytes
}
func (b *Hash) initialize(bytes []byte) {
b.bytes = bytes
}