Typescript Ethers solidity smart contract

Relieved Raccoon answered on August 21, 2022 Popularity 1/10 Helpfulness 1/10

answer Typescript Ethers solidity smart contract

Typescript Ethers solidity smart contract

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import { BigNumber } from 'ethers';
import { Wallet } from 'ethers';

import { DummyTokenFactory } from 'typechain-out-dir/DummyTokenFactory';
import { DummyToken } from 'typechain-out-dir/DummyToken';
import { Erc20TokenFactory } from 'typechain-out-dir/Erc20TokenFactory';

const provider = getYourProvider(...);

// use the concrete contract factory if you need to operate on the bytecode (ie. deploy)
async function deployTestToken(ownerPK: string): Promise<DummyToken> {
    const owner = new Wallet(ownerPK, provider);
    return new DummyTokenFactory(owner).deploy();
}

// to call existing contracts, a factory for both the concrete contract and for the interface
// can be used since the ABI is the same
async function getTokenBalance(walletAddress: string, tokenAddress: string): Promise<BigNumber> {
    const token = Erc20TokenFactory.connect(tokenAddress, provider);
    return token.balanceOf(walletAddress);
}

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Tags: contract solidity typescript whatever

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Contributed on Aug 21 2022

Relieved Raccoon

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Typescript Ethers solidity smart contract

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