Function buildApprove

Builds an instruction for approving token spending. This is typically used when the token doesn't support ERC20Permit and a standard approve transaction is needed.

Example

const instructions = await buildApprove(
  { account: myMultichainAccount },
  {
    chainId: 1,
    tokenAddress: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // USDC
    amount: 1000000n, // 1 USDC
    gasLimit: 50000n,
    spender: "0x742d35Cc6634C0532925a3b844Bc454e4438f44e"
  }
);
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