@molecularlabs/nucleus-frontend/dist/api/erc20.mjs

Nucleus BoringVault Frontend SDK

import { erc20Abi } from "viem";
import { getClient } from "../lib/client";
const getErc20Balance = async ({
  chainId,
  tokenAddress,
  userAddress
}) => {
  const client = await getClient(chainId);
  const balance = await client.readContract({
    abi: erc20Abi,
    address: tokenAddress,
    functionName: "balanceOf",
    args: [userAddress]
  });
  return balance;
};
const getErc20Decimals = async ({
  chainId,
  tokenAddress
}) => {
  const client = await getClient(chainId);
  const balance = await client.readContract({
    abi: erc20Abi,
    address: tokenAddress,
    functionName: "decimals"
  });
  return balance;
};
const getErc20Allowance = async ({
  chainId,
  tokenAddress,
  userAddress,
  spenderAddress
}) => {
  const client = await getClient(chainId);
  const allowance = await client.readContract({
    abi: erc20Abi,
    address: tokenAddress,
    functionName: "allowance",
    args: [userAddress, spenderAddress]
  });
  return allowance;
};
const getErc20AllowanceWithDecimals = async ({
  chainId,
  tokenAddress,
  userAddress,
  spenderAddress
}) => {
  const client = await getClient(chainId);
  const allowance = await client.multicall({
    contracts: [
      {
        abi: erc20Abi,
        address: tokenAddress,
        functionName: "allowance",
        args: [userAddress, spenderAddress]
      },
      {
        abi: erc20Abi,
        address: tokenAddress,
        functionName: "decimals"
      }
    ]
  });
  return allowance;
};
export {
  getErc20Allowance,
  getErc20AllowanceWithDecimals,
  getErc20Balance,
  getErc20Decimals
};
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