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I am trying to write test cases in hardhat using Typescript and Typechain. But when I try to compile the contracts using npx hardhat compile, it is asking me to install @typechain/ethers-v5. When I try to install the package, it is throwing an error that the typechain and @typechain/ethers-v5 packages are conflicting. Can anyone resolve the issue?

Error:
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Packages:

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The issue comes from hardhat-typechain which hasn't been updated in over 2 years. (Roughly line 8 in your screenshot).

I recommend removing it in favor of the officially supported @typechain/hardhat.

Recent version of all three packages are compatible without peer dependency conflicts.

// packge.json
...
"@typechain/ethers-v5": "^10.1.0",
"@typechain/hardhat": "^6.1.2",
"typechain": "^8.1.0",
...
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  • Thanks for the answer. I found using hardhat toolbox a much easier way to do stuff. So I have changed my package files now.
    – Shubham Sharma
    Commented Feb 9, 2023 at 4:32

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