我想创建一个智能合约(称为Deal),在部署之后,它会调用另一个智能合约(称为AddressBook)在全球AddressBook智能合约上注册他的地址。我正在使用的代码有效,但遗憾的是我新部署的智能合约不使用AddressBook智能合约中的地址,而是使用自己的地址来调用addAddress函数。如果我在交易合同中调用addressbook.getAddresses(地址),则红色标记显示输出。如果我在AddressBook合同中调用getAddresses函数,则蓝色标记显示输出。所以我想要的是交易合约中的蓝色输出
有人能告诉我如何将已部署合同的地址添加到全球通讯簿合同中吗?
这就是我的AddressBook智能合约的样子。我想在此联系人中添加所有已部署的智能合约。
contract AddressBook {
mapping(address => address[]) private _addresses;
mapping(address => mapping(address => string)) private _aliases;
function getAddresses() public view returns (address[]) {
return _addresses[msg.sender];
}
function addAddress(address addr, string _alias) public payable {
_addresses[msg.sender].push(addr);
_aliases[msg.sender][addr] = _alias;
}
function removeAddress(address addr) public payable {
uint length = _addresses[msg.sender].length;
for(uint i = 0; i < length; i++) {
if (addr == _addresses[msg.sender][i]) {
if (1 < _addresses[msg.sender].length && i < length-1) {
_addresses[msg.sender][i] = _addresses[msg.sender][length-1];
}
delete _addresses[msg.sender][length-1];
_addresses[msg.sender].length--;
delete _aliases[msg.sender][addr];
break;
}
}
}
function getAlias(address addr) public view returns (string) {
return _aliases[msg.sender][addr];
}
}
这是我想要在全球部署和注册的智能合约
AddressBook smart contract:
contract Deal {
AddressBook addressBook;
address public owner;
address public buyerAddr;
address private addr;
string private metaData;
uint private duration;
uint private price;
string private typeOfData;
string private gateKeeper;
event SafepaySent(address buyer, uint value, uint now);
/// The smart contract's constructor
function Deal(address _addressBook) public payable {
/// The seller is the contract's owner
owner = msg.sender;
AddressBook a = AddressBook(_addressBook);
a.addAddress(owner,"test");
}
}
function getAddresses(address _addressBook) public view returns (address[]) {
return AddressBook(_addressBook).getAddresses();
}
}
contract AddressBook {
function getAddresses() public view returns (address[]);
function addAddress(address addr, string _alias) public payable ;
function removeAddress(address addr) public payable;
function getAlias(address addr) public view returns (string);
}
现在我想在AddressBook智能合约中调用AddressBook.getAddresses()函数,我希望收到所有已部署交易合约的地址。但是,我没有在AddressBook智能合约中收到任何地址。如果我调用函数Deal.getAddresses(“全局地址簿的地址”),我将获得新部署的智能合约的地址。但这不是我想要的。
首先,如果您想使用AddressBook
作为全球智能合约来跟踪和加载所有Deal
合约。您应该已经部署了AddressBook
合同并保存了它的地址。然后你可以在AddressBook
合约的constructor
中加载Deal
合约,并在已部署的全球Deal
合约中添加将要部署的当前AddressBook
合约的地址。我做了一些关于给定合同的工作。我在AddressBook
合约中使用一系列地址来跟踪所有Deal
合约的地址。以下示例代码可以为您提供好主意。
//Address Book Contract
pragma solidity ^0.5.1;
contract AddressBook {
//mapping(address => address[]) private _addresses;
address[] private _addresses;
mapping(address => mapping(address => string)) private _aliases;
function getAddresses() public view returns (address [] memory) {
return _addresses;
}
function addAddress(address addr, string memory _alias) public payable {
_addresses.push(addr);
_aliases[msg.sender][addr] = _alias;
}
}
我只关注_address
。以下是交易合同:
pragma solidity ^0.5.1;
import "./AddressBook.sol";
contract Deal {
AddressBook addressBook;
address public owner;
address public buyerAddr;
address private addr;
string private metaData;
uint private duration;
uint private price;
string private typeOfData;
string private gateKeeper;
event SafepaySent(address buyer, uint value, uint now);
/// The smart contract's constructor
constructor(address _addressBook) public payable {
/// The seller is the contract's owner
owner = msg.sender;
addressBook = AddressBook(_addressBook);
addressBook.addAddress(address(this),"test");
}
function getAddresses() public view returns (address[] memory) {
return addressBook.getAddresses();
}
}
您还可以在混音中测试并运行它。希望它有效。