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Read Contract
Write Contract
- Contract name:
- ELISTPurchase
- Optimization enabled
- false
- Compiler version
- v0.6.12+commit.27d51765
- EVM Version
- default
- Verified at
- 2022-04-09T17:37:07.705335Z
Constructor Arguments
000000000000000000000000202172c39e74ad79a55cff807fc0652dcc8bc5120000000000000000000000007c6ddcc3dd33290feb0c32023fa3e3cd0bbdd36f
Arg [0] (address) : 0x202172c39e74ad79a55cff807fc0652dcc8bc512
Arg [1] (address) : 0x7c6ddcc3dd33290feb0c32023fa3e3cd0bbdd36f
Contract source code
// File: contracts/ELISTPurchase.sol
pragma solidity 0.6.12;
interface ERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount)
external
returns (bool);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract ELISTPurchase {
ERC20 public token;
uint256 public total_sold;
uint256 public rate;
bool public state;
address payable public governance;
event Purchase(address indexed user, uint256 amount);
event StateChange(address indexed user, bool state);
constructor(address payable _governance, ERC20 _token) public {
governance = _governance;
token = _token;
total_sold = 0;
rate = 17;
state = true;
}
receive() external payable {
purchase();
}
function purchase() public payable {
require(state == true, "Service is not Available");
uint256 weiAmount = msg.value;
require(token.balanceOf(address(this)) > 0, "There are no more ELIST");
uint256 tokens = 0;
tokens = weiAmount * rate;
require(
token.balanceOf(address(this)) - tokens >= 0,
"There are no more ELIST"
);
governance.transfer(weiAmount);
require(token.transfer(msg.sender, tokens), "ELIST Transfer not successful");
emit Purchase(msg.sender, weiAmount);
}
function changeState() public {
require(msg.sender == governance, "Not Allowed");
state = !state;
emit StateChange(msg.sender, state);
}
function withdrawUnsoldTokens(uint256 _tokens)
public
returns (bool success)
{
require(msg.sender == governance, "!governance");
require(token.transfer(governance, _tokens), "Transfer not successful");
return true;
}
}
Contract ABI
[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"_governance","internalType":"address payable"},{"type":"address","name":"_token","internalType":"contract ERC20"}]},{"type":"event","name":"Purchase","inputs":[{"type":"address","name":"user","internalType":"address","indexed":true},{"type":"uint256","name":"amount","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"StateChange","inputs":[{"type":"address","name":"user","internalType":"address","indexed":true},{"type":"bool","name":"state","internalType":"bool","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"changeState","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address payable"}],"name":"governance","inputs":[]},{"type":"function","stateMutability":"payable","outputs":[],"name":"purchase","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"rate","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"state","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"contract ERC20"}],"name":"token","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"total_sold","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"success","internalType":"bool"}],"name":"withdrawUnsoldTokens","inputs":[{"type":"uint256","name":"_tokens","internalType":"uint256"}]},{"type":"receive","stateMutability":"payable"}]
Deployed ByteCode
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