Call Execution Integration Guide

import { ethers } from "ethers";

// Contract ABI for the function you want to call
const contractABI = [
  "function mint(address to, uint256 amount) external payable",
];

// Create interface to encode function data
const iface = new ethers.Interface(contractABI);
const callData = iface.encodeFunctionData("mint", [
  "0x03508bb71268bba25ecacc8f620e01866650532c", // recipient
  1, // amount to mint
]);

// Use this callData in your quote request
const quoteRequest = {
  user: "0x03508bb71268bba25ecacc8f620e01866650532c",
  originChainId: 1,
  destinationChainId: 8453,
  originCurrency: "eth",
  destinationCurrency: "eth",
  amount: "100000000000000000",
  tradeType: "EXACT_OUTPUT",
  txs: [
    {
      to: "0xContractAddress",
      value: "100000000000000000",
      data: callData,
    },
  ],
};

import { ethers } from "ethers";

// ERC20 ABI for approval
const erc20ABI = [
  "function approve(address spender, uint256 amount) external returns (bool)",
];

// Contract ABI for the function you want to call
const contractABI = [
  "function purchaseWithUSDC(address to, uint256 usdcAmount) external",
];

// Encode approval transaction
const erc20Interface = new ethers.Interface(erc20ABI);
const approvalData = erc20Interface.encodeFunctionData("approve", [
  "0xContractAddress", // Contract that will spend tokens
  "1000000000", // Amount to approve (1000 USDC with 6 decimals)
]);

// Encode contract call transaction
const contractInterface = new ethers.Interface(contractABI);
const contractCallData = contractInterface.encodeFunctionData(
  "purchaseWithUSDC",
  [
    "0x742d35Cc6634C0532925a3b8D9d4DB0a2D7DD5B3", // recipient
    "1000000000", // 1000 USDC
  ]
);

const quoteRequest = {
  user: "0x742d35Cc6634C0532925a3b8D9d4DB0a2D7DD5B3",
  originChainId: 1,
  destinationChainId: 8453,
  originCurrency: "usdc",
  destinationCurrency: "usdc",
  amount: "1000000000", // Amount required for call (1000 USDC with 6 decimals)
  tradeType: "EXACT_OUTPUT",
  txs: [
    {
      to: "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913", // USDC contract address
      value: "0",
      data: approvalData,
    },
    {
      to: "0xContractAddress",
      value: "0",
      data: contractCallData,
    },
  ],
};