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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package bookkeeping
import (
"bytes"
"errors"
"fmt"
"github.com/algorand/go-algorand/crypto"
)
func (b BlockHash) String() string {
return fmt.Sprintf("blk-%v", crypto.Digest(b))
}
// MarshalText returns the BlockHash string as an array of bytes
func (b BlockHash) MarshalText() ([]byte, error) {
return []byte(b.String()), nil
}
// UnmarshalText initializes the BlockHash from an array of bytes.
func (b *BlockHash) UnmarshalText(text []byte) error {
if len(text) < 4 || !bytes.Equal(text[0:4], []byte("blk-")) {
return errors.New("unrecognized blockhash format")
}
d, err := crypto.DigestFromString(string(text[4:]))
*b = BlockHash(d)
return err
}
func (b Block) String() string {
return fmt.Sprintf("Block(hash = %v, %v txns)", b.Hash(), len(b.Payset))
}
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