Ethereum improves the Hardhat hardware environment version v2.6.1 which fixes our problem

2021-8-21 16:45
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Hardhat, an Ethereum development tool, released v2.6.1 which fixes three issues. 1. There is a problem with the node when the user connects to the Hardhat node through websockets. The Websocket connector should now work normally. 2. debug_traceTransaction can be used for transactions sent by demo account. 3. evm_setNextBlockTimestamp, evm_increaseTime, and evm_mine now accept hex strings by default.

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