获取合约地址
Getting contract address
我在网上搜索时看到了一个例子。
我想部署一个新合约,它是 ProjectContract。但是,我无法获得如下合约地址。我认为这是旧版本。
address newProjectAddress = new ProjectContract(name, description, requiredPrice, msg.sender);
错误信息是:
如何为新版本执行此操作?
当您创建 new <contractName>
时,它 returns 合约实例。您可以将其转换为 address
类型并获取合约地址。
pragma solidity ^0.8.4;
contract ProjectContract {
constructor (string memory name, string memory description, uint256 requiredPrice, address owner) {
}
}
contract MyContract {
event LogAddress(address _address);
function createProjectContract(string memory name, string memory description, uint256 requiredPrice) external {
ProjectContract newProjectInstance = new ProjectContract(name, description, requiredPrice, msg.sender);
address newProjectAddress = address(newProjectInstance); // here
emit LogAddress(newProjectAddress);
}
}
我在网上搜索时看到了一个例子。
我想部署一个新合约,它是 ProjectContract。但是,我无法获得如下合约地址。我认为这是旧版本。
address newProjectAddress = new ProjectContract(name, description, requiredPrice, msg.sender);
错误信息是:
如何为新版本执行此操作?
当您创建 new <contractName>
时,它 returns 合约实例。您可以将其转换为 address
类型并获取合约地址。
pragma solidity ^0.8.4;
contract ProjectContract {
constructor (string memory name, string memory description, uint256 requiredPrice, address owner) {
}
}
contract MyContract {
event LogAddress(address _address);
function createProjectContract(string memory name, string memory description, uint256 requiredPrice) external {
ProjectContract newProjectInstance = new ProjectContract(name, description, requiredPrice, msg.sender);
address newProjectAddress = address(newProjectInstance); // here
emit LogAddress(newProjectAddress);
}
}