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This is the typescript branch Patric Collins' repository https://github.com/PatrickAlphaC/hardhat-smartcontract-lottery-fcc/tree/typescript
We will have the same Solidity contract as Patrik. https://github.com/shaggyrec/hardhat-smartcontract-lottery-ts/blob/main/contracts/Raffle.sol There are no changes here.
I have two skipped tests because at the time of writing this article events firing doesn't work properly in the latest version. Link to the github issue
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