>> node -v
v14.18.0
>> npm -v
6.14.15
>> truffle version
Truffle v5.4.33 (core: 5.4.33)
Ganache v7.0.1
Solidity - 0.6.6 (solc-js)
Node v14.18.0
Web3.js v1.5.3
>> ganache --version
ganache v7.0.2 (@ganache/cli: 0.1.3, @ganache/core: 0.1.3)# setup
>> npm install
# compile (Precautions for compile)
>> truffle compile
# migrate
>> truffle migrate
# run
>> npm run devEach contracts needs to be compiled to suit the solidity version (refer to truffle-config.js).
# ganache-cli -h [host name] -p [port number] --account="[private key of my wallet], [ethereum]"
>> ganache -h 127.0.0.1 -p 7545 --account="0xd461db..., 100000000000000000000000000"host nameshould also be modified inapp.js,swap.jsandtruffle-config.js.