Merge pull request METADIUM#39 from cp-yoonjin/dev

internal/ethapi: changed 'gasPrice' data type to BigInt ('GetTransactionReceipt' RPC API).

internal/ethapi/api.go

@@ -1667,14 +1667,14 @@ func (s *PublicTransactionPoolAPI) GetTransactionReceipt(ctx context.Context, ha
 	}
 	// Assign the effective gas price paid
 	if !s.b.ChainConfig().IsLondon(bigblock) {
-		fields["effectiveGasPrice"] = hexutil.Uint64(tx.GasPrice().Uint64())
+		fields["effectiveGasPrice"] = tx.GasPrice()
 	} else {
 		header, err := s.b.HeaderByHash(ctx, blockHash)
 		if err != nil {
 			return nil, err
 		}
 		gasPrice := new(big.Int).Add(header.BaseFee, tx.EffectiveGasTipValue(header.BaseFee))
-		fields["effectiveGasPrice"] = hexutil.Uint64(gasPrice.Uint64())
+		fields["effectiveGasPrice"] = gasPrice
 	}
 	// Assign receipt status or post state.
 	if len(receipt.PostState) > 0 {