PropAMM SDK

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approve ​

Approve the router to pull an amount of an ERC-20 token from the signer. Required before any swap with ERC-20 input.

ts
approve(token: Address, amount: bigint): Promise<Hash>

Usage ​

ts
import { parseUnits } from "propamm/common/helpers";
import { USDC } from "propamm/common/tokens";

const hash = await router.approve(USDC, parseUnits("100", 6));
await client.waitForTransaction(hash);

Returns ​

Hash

The approval transaction hash.

Parameters ​

token ​

  • Type: Address

The ERC-20 token to approve.

amount ​

  • Type: bigint

Allowance to grant the router, in atomic units.