fix(evm): improved marshalling of the eth tx receipt (#2220)

* fix(evm): improved marshaling of the eth tx receipt

* chore: changelog

Author: onikonychev

CHANGELOG.md

@@ -53,6 +53,7 @@ Simplify GitHub actions based on conditional paths, removing the need for files
 - [#2068](https://github.com/NibiruChain/nibiru/pull/2068) - feat: enable wasm light clients on IBC (08-wasm)
 - [#2217](https://github.com/NibiruChain/nibiru/pull/2217) - fix: app-db-backend not recognized on prune command
 - [#2219](https://github.com/NibiruChain/nibiru/pull/2219) - fix(evm): disable unprotected tx check in EVM ante handler
+- [#2220](https://github.com/NibiruChain/nibiru/pull/2220) - fix(evm): improved marshaling of the eth tx receipt
 
 ## [v2.0.0-p1](https://github.com/NibiruChain/nibiru/releases/tag/v2.0.0-p1) - 2025-02-10
 

eth/rpc/backend/tx_info.go

@@ -167,9 +167,11 @@ func (r *TransactionReceipt) MarshalJSON() ([]byte, error) {
 	if r.EffectiveGasPrice != nil {
 		output["effectiveGasPrice"] = r.EffectiveGasPrice
 	}
+	// original marshalling of gethcore.Receipt omits type field
+	output["type"] = hexutil.Uint64(r.Type)
+
 	// delete deprecated (pre Byzantium) key which is always set to 0x and fails parsing within hardhat
 	delete(output, "root")
-
 	return json.Marshal(output)
 }
 
@@ -288,6 +290,8 @@ func (b *Backend) GetTransactionReceipt(hash gethcommon.Hash) (*TransactionRecei
 		} else {
 			receipt.EffectiveGasPrice = (*hexutil.Big)(dynamicTx.EffectiveGasPriceWeiPerGas(baseFeeWei))
 		}
+	} else {
+		receipt.EffectiveGasPrice = (*hexutil.Big)(txData.GetGasPrice())
 	}
 	return &receipt, nil
 }