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digest.go
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digest.go
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// Go Substrate RPC Client (GSRPC) provides APIs and types around Polkadot and any Substrate-based chain RPC calls
//
// Copyright 2019 Centrifuge GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package types
import (
"encoding/json"
"github.com/Cerebellum-Network/go-substrate-rpc-client/v8/types/codec"
)
// Digest contains logs
type Digest []DigestItem
// UnmarshalJSON fills u with the JSON encoded byte array given by b
func (d *Digest) UnmarshalJSON(bz []byte) error {
var tmp struct {
Logs []string `json:"logs"`
}
if err := json.Unmarshal(bz, &tmp); err != nil {
return err
}
*d = make([]DigestItem, len(tmp.Logs))
for i, log := range tmp.Logs {
err := codec.DecodeFromHex(log, &(*d)[i])
if err != nil {
return err
}
}
return nil
}
// MarshalJSON returns a JSON encoded byte array of u
func (d Digest) MarshalJSON() ([]byte, error) {
logs := make([]string, len(d))
var err error
for i, di := range d {
logs[i], err = codec.EncodeToHex(di)
if err != nil {
return nil, err
}
}
return json.Marshal(struct {
Logs []string `json:"logs"`
}{
Logs: logs,
})
}