Address Contract Partially Verified
Address
0xB07155221e0D44B7eAf5c9E6B098BFc4AA57A9A8
Balance
0 ETH
Nonce
1
Code Size
1895 bytes
Creator
0x4d87EF46...45aF at tx 0xe823d27a...2c8306
Indexed Transactions
0
Contract Bytecode
1895 bytes
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Verified Source Code Partial Match
Compiler: v0.8.19+commit.7dd6d404
EVM: paris
Optimization: Yes (200 runs)
EthereumSender.sol 90 lines
// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;
interface IERC20 {
function transfer(
address recipient,
uint256 amount
) external returns (bool);
function balanceOf(address account) external view returns (uint256);
}
contract EthereumSender {
// Owner of the contract
address public owner;
// Mapping to manage spender role addresses
mapping(address => bool) public spenders;
// Status to prevent reentrancy attacks
uint8 private status = 1;
// Event emitted when tokens are sent
event Sent(address indexed to, uint256 amount, uint256 timestamp);
// Event emitted when a spender is added or removed
event SpenderUpdated(address indexed spender, bool status, uint256 timestamp);
// Modifier to restrict function access to the owner
modifier onlyOwner() {
require(msg.sender == owner, "Not the owner");
_;
}
// Modifier to restrict function access to the owner or spenders
modifier onlyOwnerOrSpender() {
require(msg.sender == owner || spenders[msg.sender], "Not authorized");
_;
}
// Modifier to prevent reentrancy attacks
modifier nonReentrant() {
require(status != 2, "ReentrancyGuard: reentrant call");
status = 2;
_;
status = 1;
}
// Constructor to set the initial owner as the deployer
constructor() {
owner = msg.sender;
}
// Function to send tokens, callable by owner or spender, with anti-reentrancy guard
function sendTokens(
address token,
address recipient,
uint256 amount
) external onlyOwnerOrSpender nonReentrant {
require(token != address(0), "Token address cannot be zero");
require(amount > 0, "Amount must be greater than zero");
require(
amount <= IERC20(token).balanceOf(address(this)),
"Insufficient balance"
);
bool success = IERC20(token).transfer(recipient, amount);
require(success, "Token transfer failed");
emit Sent(recipient, amount, block.timestamp);
}
// Function to transfer ownership, only callable by the current owner
function changeOwner(address newOwner) external onlyOwner {
require(newOwner != address(0), "New owner cannot be the zero address");
owner = newOwner;
}
// Function to add or remove a spender
function setSpender(address spender, bool isSpender) external onlyOwner {
require(spender != address(0), "Spender address cannot be zero");
spenders[spender] = isSpender;
emit SpenderUpdated(spender, isSpender, block.timestamp);
}
// Function to check if an address is a spender
function isSpender(address addr) external view returns (bool) {
return spenders[addr];
}
}
Read Contract
isSpender 0x9a206ece → bool
owner 0x8da5cb5b → address
spenders 0x63a31bd4 → bool
Write Contract 3 functions
These functions modify contract state and require a wallet transaction to execute.
changeOwner 0xa6f9dae1
address newOwner
sendTokens 0xe6d66ac8
address token
address recipient
uint256 amount
setSpender 0x6be3f3e0
address spender
bool isSpender
Recent Transactions
No transactions found for this address