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[fix]Add comment to explain returning nil instead of err #1

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Merged
merged 1 commit into from
Jun 15, 2022
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[fix]Add comment to explain returning nil instead of err #1

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2 changes: 2 additions & 0 deletions internal/ethapi/api.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1581,6 +1581,8 @@ func (s *PublicTransactionPoolAPI) GetRawTransactionByHash(ctx context.Context,
func (s *PublicTransactionPoolAPI) GetTransactionReceipt(ctx context.Context, hash common.Hash) (map[string]interface{}, error) {
tx, blockHash, blockNumber, index, err := s.b.GetTransaction(ctx, hash)
if err != nil {
// return nil on purpose
// When the transaction doesn't exist, the return value of this RPC call should be JSON null.
return nil, nil
}
receipts, err := s.b.GetReceipts(ctx, blockHash)
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