我使用npm安装了zeppelin-solidity包,以使用erc-721合同。但问题是,当我使用truffle编译时,它给出了以下错误: /Users/me/dev/myfolder/erc721/node_modules/zeppelin-solidity/contracts/.9c3226ce.Emscripten.clang - note that nightly builds are considered to be strictly less than t
pragma solidity ^0.4.15; string public message;
function Hello() {message = "Hello, World : This is a Solidity Smart Contract on the Private Ethereum Blockchain.1d4f565a.Emscripten.clang - note that nightly builds are considered to be strictly
为什么Remix不能部署简单合约(简化自精通以太一书https://github.com/ethereumbook/ethereumbook/blob/develop/code/Solidity/Faucet2pragma solidity ^0.4.19;
function withdraw(uint withdraw_amount) public {