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Relayer: unmarshal only when the txnReceipt is not empty #328

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Merged
pkieltyka merged 1 commit into from
Dec 1, 2025
Merged

Relayer: unmarshal only when the txnReceipt is not empty #328

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12 changes: 8 additions & 4 deletions relayer/relayer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import (
"github.com/0xsequence/ethkit/go-ethereum/common"
"github.com/0xsequence/ethkit/go-ethereum/common/hexutil"
"github.com/0xsequence/ethkit/go-ethereum/core/types"

"github.com/0xsequence/go-sequence"
"github.com/0xsequence/go-sequence/core"
v1 "github.com/0xsequence/go-sequence/core/v1"
Expand Down Expand Up @@ -343,12 +344,15 @@ func (r *Client) waitMetaTxnReceipt(ctx context.Context, metaTxnID sequence.Meta
if err != nil {
return sequence.MetaTxnStatusUnknown, nil, err
}
txnReceipt := metaTxnReceipt.TxnReceipt

var receipt *types.Receipt
err = json.Unmarshal([]byte(txnReceipt), &receipt)
if err != nil {
return 0, nil, fmt.Errorf("failed to decode txn receipt data: %w", err)
// Only unmarshal TxnReceipt when the field is non-empty, since attempting to decode an empty JSON string would result in an error.
if metaTxnReceipt.TxnReceipt != "" {
if err = json.Unmarshal([]byte(metaTxnReceipt.TxnReceipt), &receipt); err != nil {
return 0, nil, fmt.Errorf("decode txn receipt data: %w", err)
}
}

return MetaTxnStatusFromString(metaTxnReceipt.Status), receipt, nil
}
}
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