check ethereum tx status

func (t *Txn) Status() (status string, blockNumber *big.Int, err error) {
    _, pending, err := eth.EthClient.TransactionByHash(context.Background(), common.HexToHash(t.Params.Result.TxHash))
    if err != nil {
        return Unknown, nil, err
    }
    if pending {
        return Pending, nil, nil
    }
    receipt, err := eth.EthClient.TransactionReceipt(context.Background(), common.HexToHash(t.Params.Result.TxHash))
    if err != nil {
        return Unknown, nil, err
    }
    if receipt.Status == types.ReceiptStatusFailed {
        return Failed, receipt.BlockNumber, nil
    }
    return Success, receipt.BlockNumber, nil
}

context

Check ethereum tx status in go may need two queries, the first one TransactionByHash() check it’s pending or not, the second TransactionReceipt() further check it’s failed or success.

The status can be:

• send: tx send out
• pending: tx pending in mempool
• success: tx success
• failed: tx failed
• cancel: tx canceled by user (with same nonce)
• drop: tx dropped by miner because gas too low