我正在尝试用 LINK 代币为智能合约提供资金。我收到一个错误“VM错误:revert。revert交易已恢复到初始状态。注意:如果您发送值,则调用的函数应该是应付的,并且您发送的值应该小于您当前的余额。调试交易到获取更多信息。” 我的代码很简单:
// SPDX-License-Identifier: MIT
pragma solidity >=0.5 <0.9.0;
//Remix Imports
import "https://github.com/smartcontractkit/chainlink/blob/develop/evm-contracts/src/v0.6/ChainlinkClient.sol";
import "https://github.com/smartcontractkit/chainlink/blob/develop/evm-contracts/src/v0.6/vendor/Ownable.sol";
import "https://github.com/smartcontractkit/chainlink/blob/develop/evm-contracts/src/v0.6/vendor/SafeMathChainlink.sol";
import "https://github.com/smartcontractkit/chainlink/blob/develop/evm-contracts/src/v0.6/interfaces/LinkTokenInterface.sol";
import "https://github.com/smartcontractkit/chainlink/blob/master/evm-contracts/src/v0.6/interfaces/AggregatorV3Interface.sol";
contract SimpleStorage {
SimpleStorage2[] simpleStorage2s;
function set() public payable returns(address) {
SimpleStorage2 a = new SimpleStorage2();
simpleStorage2s.push(a);
LinkTokenInterface link = LinkTokenInterface(a.getChainlinkToken());
link.transfer(address(a), 100);
return address(a);
}
}
contract SimpleStorage2 is ChainlinkClient, Ownable {
function getChainlinkToken() public view returns (address) {
return chainlinkTokenAddress();
}
}
Solidity 编译器 0.6.12。我究竟做错了什么?我怎样才能让它工作?