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Results tagged with ethers.js
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user 100356
A lightweight JavaScript library which can be used as an alternative to Web3.js to build your JavaScript front-end and interact with the Ethereum blockchain.
1
vote
TypeError: Cannot read properties of undefined (reading 'JsonRpcProvider')
With ethers@v5
const provider = new ethers.providers.JsonRpcProvider(RPC_URL);
With ethers@v6
const provider = new ethers.JsonRpcProvider(RPC_URL);
- 191
0
votes
Sign one contract to spend ERC20 tokens on behalf of another contract in Hardhat unit test w...
ContractA you need to provide function to approve:
function approveERC20(address token, address spender, uint256 amount) public onlyOwner {
IERC20(token).approve(spender, amount);
}
Your test wi …
- 191
0
votes
Different fuctions to confirm deployment with ethersjs
Basically contract.deployed() using deployTracsaction.wait() but add more case, you can look at the source
- 191