From 4454eee7ed25d1f17daef11d6a5dff293f4a0ffe Mon Sep 17 00:00:00 2001
From: Dong-Ha Kim <dongha.kim210@gmail.com>
Date: Mon, 24 Nov 2025 16:12:03 +0700
Subject: [PATCH] test: use stables for e2e swap tests

attempt to make e2e tests less prone to slippage related reverts.
---
 e2e-api/swap/execute-approval.test.ts | 30 ++++++++++++++-------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/e2e-api/swap/execute-approval.test.ts b/e2e-api/swap/execute-approval.test.ts
index dfae812c7..91f6e6537 100644
--- a/e2e-api/swap/execute-approval.test.ts
+++ b/e2e-api/swap/execute-approval.test.ts
@@ -16,6 +16,14 @@ const SWAP_API_URL = `${SWAP_API_BASE_URL}/api/swap/approval`;
 const TOKEN_FUND_AMOUNT = 1_000_000; // Unparsed amount of tokens to fund the depositor and relayer, e.g. 1_000_000 USDC
 const SLIPPAGE = "auto";
 
+const USDS = {
+  symbol: "USDS",
+  decimals: 18,
+  addresses: {
+    [CHAIN_IDs.BASE]: "0x820C137fa70C8691f0e44Dc420a5e53c168921Dc",
+  },
+};
+
 const B2B_BASE_TEST_CASE = {
   amounts: {
     exactInput: parseUnits("1", 6), // 1 USDC
@@ -32,11 +40,11 @@ const B2B_BASE_TEST_CASE = {
 const B2A_BASE_TEST_CASE = {
   amounts: {
     exactInput: parseUnits("1", 6), // 1 USDC
-    exactOutput: parseUnits("1", 18), // 1 OP
-    minOutput: parseUnits("1", 18), // 1 OP
+    exactOutput: parseUnits("1", 6), // 1 USDC.e
+    minOutput: parseUnits("1", 6), // 1 USDC.e
   },
   inputToken: TOKEN_SYMBOLS_MAP.USDC,
-  outputToken: TOKEN_SYMBOLS_MAP.OP,
+  outputToken: TOKEN_SYMBOLS_MAP["USDC.e"],
   originChainId: CHAIN_IDs.BASE,
   destinationChainId: CHAIN_IDs.OPTIMISM,
   slippage: SLIPPAGE,
@@ -44,11 +52,11 @@ const B2A_BASE_TEST_CASE = {
 
 const A2B_BASE_TEST_CASE = {
   amounts: {
-    exactInput: parseUnits("1", 18), // 1 OP
+    exactInput: parseUnits("1", 6), // 1 USDC.e
     exactOutput: parseUnits("1", 6), // 1 USDC
     minOutput: parseUnits("1", 6), // 1 USDC
   },
-  inputToken: TOKEN_SYMBOLS_MAP.OP,
+  inputToken: TOKEN_SYMBOLS_MAP["USDC.e"],
   outputToken: TOKEN_SYMBOLS_MAP.USDC,
   originChainId: CHAIN_IDs.OPTIMISM,
   destinationChainId: CHAIN_IDs.BASE,
@@ -57,18 +65,12 @@ const A2B_BASE_TEST_CASE = {
 
 const A2A_BASE_TEST_CASE = {
   amounts: {
-    exactInput: parseUnits("1", 18), // 1 OP
+    exactInput: parseUnits("1", 6), // 1 USDC.e
     exactOutput: parseUnits("1", 18), // 1 USDS
     minOutput: parseUnits("1", 18), // 1 USDS
   },
-  inputToken: TOKEN_SYMBOLS_MAP.OP,
-  outputToken: {
-    symbol: "USDS",
-    decimals: 18,
-    addresses: {
-      [CHAIN_IDs.BASE]: "0x820C137fa70C8691f0e44Dc420a5e53c168921Dc",
-    },
-  },
+  inputToken: TOKEN_SYMBOLS_MAP["USDC.e"],
+  outputToken: USDS,
   originChainId: CHAIN_IDs.OPTIMISM,
   destinationChainId: CHAIN_IDs.BASE,
   slippage: SLIPPAGE,