Questions tagged [typechain]
The typechain tag has no usage guidance.
9
questions
0
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1
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23
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Why smart contract calls transferFrom ERC721 instead of ERC20?
I create project using Solidity, Hardhat for testing deploying, and hardhat tracer for debugging? I have smart contract that inherits ERC721Holder from @openzeppelin library. On this smart contract I ...
0
votes
1
answer
51
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How to connect to a proxy contract with Typechain?
I'm currently using the ERC20 contract available from OpenZeppelin to generate the typechains.
Now, one of the ERC20 I wish to use is USDC.
USDC is a proxy contract.
How can I connect the typechain ...
- 115
0
votes
1
answer
19
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How to get proper typesafe version from ethers.getContractAt or any other alternative method
I have a hardhat + typescript project , where I have a script like the below:
import { ethers } from "hardhat";
import { diamond as diamondAddress } from "../../deploy/addresses.json&...
- 265
3
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3
answers
5k
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How to get deployed contract address with ethers?
I using hardhat deploy (TypeScript) and am deploying two contracts: the first is a mock ERC20 token and a second is a crowdfunding contract that uses the mock when on a hardhat chain/localhost.
I am ...
- 161
1
vote
2
answers
2k
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TypeError: glob is not a function after updating typechain-hardhat to @typechain/hardhat
After updating project from typechain-hardhat to @typechain/hardhat package.
Compilation of project throws TypeError: glob is not a function error. And I can not run scripts, tests, compile etc.
An ...
- 11
2
votes
1
answer
1k
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How can I assign my custom contract type to a contract instance from Ethers?
Using Ethers, I'm creating an instance of my deployed contract as follows:
import MySwapV2FactoryABI from "src/abis/MySwapV2Factory.json";
const provider = new ethers.providers....
- 161
1
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0
answers
445
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Ethers: abi.map is not a function
I'm trying to import a contract using ethers. I'm getting an error:
..\node_modules@ethersproject\abi\src.ts\interface.ts:100
defineReadOnly(this, "fragments", abi.map((fragment) => {
...
- 303
3
votes
3
answers
3k
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How can I create the typechain directory in my hardhat project?
I have set up a hardhat project with typescript a while ago and want to write some tests.
Now I only have a typechain-types directory and it doesn't give me the types I am used to. Where is the plain ...
- 361
4
votes
2
answers
3k
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Instantiate a contract using interface generated by TypeChain
in my solidity codebase I am using an interface and these are the types generated by TypeChain:
import { BaseContract, BigNumber, BigNumberish, BytesLike, CallOverrides, PopulatedTransaction, Signer, ...
- 609