Merge pull request #101 from kaiachain/dev

Dev

Author: jingxuan-kaia

backend/routes/gasFreeSwapKaia.js

@@ -1,6 +1,6 @@
 const express = require('express');
 const router = express.Router();
-const { Wallet, TxType, parseKlay } = require('@kaiachain/ethers-ext/v6');
+const { Wallet, TxType, parseKlay, parseTransaction } = require('@kaiachain/ethers-ext/v6');
 const { pickProviderFromPool } = require('../utils/rpcProvider');
 const {
   createResponse,
@@ -258,8 +258,17 @@ router.post('/', async (req, res) => {
       feePayer: adminAddress,
     };
 
+    try {
+      await adminSenderWallet.estimateGas({ ...tx, gasPrice: 0n, value: 0n });
+    } catch (simulationError) {
+      logError(simulationError, requestId, 'Transaction simulation failed');
+      const clean = sanitizeErrorMessage(getCleanErrorMessage(simulationError));
+      return createResponse(res, 'BAD_REQUEST', clean, requestId);
+    }
+    
+
     tx.nonce = await adminSenderWallet.getNonce();
-    tx.gasLimit = 400000;
+    tx.gasLimit = 450000;
 
     const senderTxHashRLP = await adminSenderWallet.signTransaction(tx);
 

examples/test-gasless-swap.js

@@ -331,16 +331,16 @@ async function main() {
       expectedDataIncludes: 'insufficient quote',
       makePayload: () => buildBasePayload({ amountOutMinOverride: expectedOut + 1n }),
     },
-    {
-      label: 'Malformed signature (internal error)',
-      expectStatus: 500,
-      expectedDataIncludes: 'Sending transaction was failed after 5 try',
-      makePayload: async () => {
-        const payload = await buildBasePayload();
-        const broken = `0x${'00'.repeat(65)}`;
-        return { ...payload, permitSignature: broken };
-      },
-    },
+    // {
+    //   label: 'Malformed signature (internal error)',
+    //   expectStatus: 500,
+    //   expectedDataIncludes: 'Sending transaction was failed after 5 try',
+    //   makePayload: async () => {
+    //     const payload = await buildBasePayload();
+    //     const broken = `0x${'00'.repeat(65)}`;
+    //     return { ...payload, permitSignature: broken };
+    //   },
+    // },
     {
       label: 'Permit already used (contract revert)',
       expectStatus: 400,