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// Copyright 2017-2018 Stratumn SAS. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package chainscript
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import (
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	"encoding/hex"
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)
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// LinkHash is a byte array for which we provide utility methods.
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type LinkHash []byte
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// NewLinkHashFromString decodes a string and returns a link hash.
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func NewLinkHashFromString(lh string) (LinkHash, error) {
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	b, err := hex.DecodeString(lh)
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	if err != nil {
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		return nil, err
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	}
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	return b, nil
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}
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// String encodes the link hash to a string.
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func (lh LinkHash) String() string {
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	return hex.EncodeToString(lh)
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}

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