Method GetTransactionReceipt

internal/cpcapi/api.go:1287–1344

GetTransactionReceipt returns the transaction receipt for the given transaction hash.

(ctx context.Context, hash common.Hash)

// GetTransactionReceipt returns the transaction receipt for the given transaction hash.
func (s *PublicTransactionPoolAPI) GetTransactionReceipt(ctx context.Context, hash common.Hash) (map[string]interface{}, error) {
	tx, blockHash, blockNumber, index := rawdb.ReadTransaction(s.b.ChainDb(), hash)
	if tx == nil {
		return nil, nil
	}

	var receipt *types.Receipt
	if tx.IsPrivate() {
		receipt, _ = s.b.GetPrivateReceipt(ctx, tx.Hash())
		if receipt == nil {
			return nil, nil
		}
	} else {
		receipts, err := s.b.GetReceipts(ctx, blockHash)
		if err != nil {
			return nil, err
		}
		if len(receipts) <= int(index) {
			return nil, nil
		}
		receipt = receipts[index]
	}

	var signer types.Signer = types.FrontierSigner{}
	if tx.Protected() {
		signer = types.NewCep1Signer(tx.ChainId())
	}
	from, _ := types.Sender(signer, tx)

	fields := map[string]interface{}{
		"blockHash":         blockHash,
		"blockNumber":       hexutil.Uint64(blockNumber),
		"transactionHash":   hash,
		"transactionIndex":  hexutil.Uint64(index),
		"from":              from,
		"to":                tx.To(),
		"gasUsed":           hexutil.Uint64(receipt.GasUsed),
		"cumulativeGasUsed": hexutil.Uint64(receipt.CumulativeGasUsed),
		"contractAddress":   nil,
		"logs":              receipt.Logs,
		"logsBloom":         receipt.Bloom,
	}

	// Assign receipt status or post state.
	if len(receipt.PostState) > 0 {
		fields["root"] = hexutil.Bytes(receipt.PostState)
	} else {
		fields["status"] = hexutil.Uint(receipt.Status)
	}
	if receipt.Logs == nil {
		fields["logs"] = [][]*types.Log{}
	}
	// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
	if receipt.ContractAddress != (common.Address{}) {
		fields["contractAddress"] = receipt.ContractAddress
	}
	return fields, nil
}