/
transactionreceiptbyhash.go
54 lines (46 loc) · 1.71 KB
/
transactionreceiptbyhash.go
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// Copyright © 2021 Weald Technology Limited.
// 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 getlogs
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/url"
"github.com/pkg/errors"
)
type transactionReceiptByHashResponse struct {
Result *transactionReceipt `json:"result"`
}
// transactionReceiptByHash fetches a transaction receipt given its hash.
func (s *Service) transactionReceiptByHash(ctx context.Context, txHash []byte) (*transactionReceipt, error) {
reference, err := url.Parse("")
if err != nil {
return nil, errors.Wrap(err, "invalid endpoint")
}
url := s.base.ResolveReference(reference).String()
reqBody := bytes.NewBufferString(fmt.Sprintf(`{"jsonrpc":"2.0","method":"eth_getTransactionReceipt","params":["%#x"],"id":1901}`, txHash))
respBodyReader, err := s.post(ctx, url, reqBody)
if err != nil {
log.Trace().Str("url", url).Err(err).Msg("Request failed")
return nil, errors.Wrap(err, "request failed")
}
if respBodyReader == nil {
return nil, errors.New("empty response")
}
var response transactionReceiptByHashResponse
if err := json.NewDecoder(respBodyReader).Decode(&response); err != nil {
return nil, errors.Wrap(err, "invalid response")
}
return response.Result, nil
}