viem-erc20/_cjs/wallet/approve.js

Viem extensions for erc20 tokens

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.approve = void 0;
const viem_1 = require("viem");
const actions_1 = require("viem/actions");
const approve = async function (client, parameters) {
    const { address, amount, spender } = parameters;
    if (!(0, viem_1.isAddress)(address)) {
        throw new Error("Invalid address");
    }
    if (typeof amount !== "bigint") {
        throw new Error("Invalid amount");
    }
    if (!(0, viem_1.isAddress)(spender)) {
        throw new Error("Invalid spender address");
    }
    if (amount <= BigInt(0)) {
        throw new Error("Invalid amount, must be greater than 0");
    }
    if (!client.account) {
        throw new Error("Client account is not set");
    }
    return (0, actions_1.writeContract)(client, {
        abi: viem_1.erc20Abi,
        account: client.account,
        address,
        args: [spender, amount],
        chain: client.chain,
        functionName: "approve",
    });
};
exports.approve = approve;
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