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pragma solidity >=0.6.0;
contract MCTest {
address constant MultiCoin = 0x0100000000000000000000000000000000000000;
uint256 balance;
constructor() public {
// enable multi-coin functionality (it is disabled by default)
(bool success,) = MultiCoin.delegatecall(abi.encodeWithSignature("enableMultiCoin()"));
require(success);
}
function updateBalance(uint256 coinid) public {
(bool success, bytes memory data) = MultiCoin.delegatecall(abi.encodeWithSignature("getBalance(uint256)", coinid));
require(success);
balance = abi.decode(data, (uint256));
}
function deposit() public payable {}
function withdraw(uint256 amount, uint256 coinid, uint256 amount2) public {
(bool success,) = MultiCoin.delegatecall(
abi.encodeWithSignature("transfer(address,uint256,uint256,uint256)",
msg.sender, amount, coinid, amount2));
require(success);
}
}
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