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TROUBLE_SHOOTING.md

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常见问题

  • 安装前端依赖时，如果在 npm 或者 yarn 修改为国内源之后，依旧出现类似 getaddrinfo ENOENT raw.githubusercontent.com 的报错，可以考虑为其设置代理：

    npm config set proxy http://username:password@server:port
npm config set https-proxy http://username:password@server:port

    例如：（要为yarn设置代理将其中的npm替换为yarn即可，端口需要替换为本地代理的端口）

    npm config set proxy http://127.0.0.1:2802
npm config set https-proxy http://127.0.0.1:2802

  • Cannot read property 'toHexString'
    执行测试脚本时, 报类似如下的错误, 说明没有正确配置私钥, 需要重命名 .env.example 文件为 .env 文件, 然后在 .env 文件中配置私钥

TypeError: Cannot read property 'toHexString' of undefined
    at isHexable (/Users/jolycao/Dapp-Learning/basic/05-ethersjs-erc20/node_modules/@ethersproject/bytes/lib/index.js:9:21)
    at hexlify (/Users/jolycao/Dapp-Learning/basic/05-ethersjs-erc20/node_modules/@ethersproject/bytes/lib/index.js:175:9)
    at new SigningKey (/Users/jolycao/Dapp-Learning/basic/05-ethersjs-erc20/node_modules/@ethersproject/signing-key/lib/index.js:20:82)
    at new Wallet (/Users/jolycao/Dapp-Learning/basic/05-ethersjs-erc20/node_modules/@ethersproject/wallet/lib/index.js:123:36)
    at Object.<anonymous> (/Users/jolycao/Dapp-Learning/basic/05-ethersjs-erc20/index.js:39:14)
    at Module._compile (internal/modules/cjs/loader.js:1085:14)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
    at Module.load (internal/modules/cjs/loader.js:950:32)
    at Function.Module._load (internal/modules/cjs/loader.js:790:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:76:12)