区块链使用记录

参考资料
FAQ
- [部署智能合约遇到Network up to date.错误](#部署智能合约遇到Network up to date.错误)
- [hit an invalid opcode while deploying. Try:](#hit an invalid opcode while deploying. Try:)

参考资料

FAQ

部署智能合约遇到Network up to date.错误

参考部署智能合约遇到Network up to date.错误 truffle migrate 查找是以数字开头的 js 文件

通过命令方式创建

sh 复制代码

truffle create migration deploy_demo

hit an invalid opcode while deploying. Try:

sh 复制代码

"Ballot" hit an invalid opcode while deploying. Try:
   * Verifying that your constructor params satisfy all assert conditions.
   * Verifying your constructor code doesn't access an array out of bounds.
   * Adding reason strings to your assert statements.


Exiting: Review successful transactions manually by checking the transaction hashes above on Etherscan.


Error:  *** Deployment Failed ***

"Ballot" hit an invalid opcode while deploying. Try:
   * Verifying that your constructor params satisfy all assert conditions.
   * Verifying your constructor code doesn't access an array out of bounds.
   * Adding reason strings to your assert statements.

参考truffle初始化的项目在部署（migrate）的时候出现invalid opcode的异常

对 truffle-config.js 使用下面这个

js 复制代码

  compilers: {
    solc: {
      version: "0.8.21",      // Fetch exact version from solc-bin (default: truffle's version)
      docker: false,        // Use "0.5.1" you've installed locally with docker (default: false)
      settings: {          // See the solidity docs for advice about optimization and evmVersion
       optimizer: {
         enabled: false,
         runs: 200
       },
       evmVersion: "byzantium"
      }
    }
  },