Address Contract Partially Verified
Address
0x2F5841BA9836De7F4Ff9f7A243c9Acb2A2265818
Balance
0 ETH
Nonce
1
Code Size
8283 bytes
Creator
0x6D0D0088...2E4c at tx 0x8ea95d38...03e3b7
Indexed Transactions
0
Contract Bytecode
8283 bytes
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Verified Source Code Partial Match
Compiler: v0.8.26+commit.8a97fa7a
EVM: london
Optimization: No
BitCalling.sol 131 lines
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;
contract BitCalling {
string public name = "BitCalling";
string public symbol = "BCT";
uint8 public decimals = 18;
uint256 public totalSupply = 18_000_000 * 10 ** uint256(decimals); // Total supply of 18 million tokens
uint256 public availableSupply = 100_000 * 10 ** uint256(decimals); // 100,000 tokens available for sale
uint256 public tokensSold = 0; // Track tokens sold
uint256 public pricePerToken = 0.00545 ether; // Token price set to $18 per token, based on ETH price
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
mapping(address => uint256) public taskCompletionCount;
address public owner;
bool public saleActive = true; // Sale is active by default
uint256 public MAX_SUPPLY; // Declare MAX_SUPPLY as a normal public variable, not constant
// Constructor to initialize contract with 18 million total supply, but only 100,000 available for purchase
constructor() {
balanceOf[msg.sender] = availableSupply; // Deployer gets the available tokens for sale
owner = msg.sender;
MAX_SUPPLY = 18_000_000 * 10 ** uint256(decimals); // Assign MAX_SUPPLY in the constructor
}
modifier onlyOwner() {
require(msg.sender == owner, "Only owner can perform this action");
_;
}
modifier saleIsActive() {
require(saleActive, "Sale is not active");
_;
}
function toggleSale() external onlyOwner {
saleActive = !saleActive;
}
function buyTokens(uint256 amount) external payable saleIsActive {
uint256 cost = amount * pricePerToken;
require(tokensSold + amount <= availableSupply, "Sale limit reached");
require(msg.value >= cost, "Not enough ETH sent");
tokensSold += amount;
balanceOf[msg.sender] += amount;
// Emit event for token purchase
emit TokenPurchase(msg.sender, amount, msg.value);
// Refund excess ETH if sent
if (msg.value > cost) {
payable(msg.sender).transfer(msg.value - cost);
}
// Transfer the ETH to the contract owner
payable(owner).transfer(cost);
}
function mint(uint256 amount) external onlyOwner {
totalSupply += amount;
availableSupply += amount;
balanceOf[msg.sender] += amount;
}
function completeTask(address user, uint256 taskReward) public saleIsActive {
require(taskCompletionCount[user] < 5, "Maximum tasks completed");
balanceOf[user] += taskReward * (10 ** uint256(decimals)); // Reward for completing a task
taskCompletionCount[user]++;
}
function transfer(address recipient, uint256 amount) public returns (bool) {
require(balanceOf[msg.sender] >= amount, "Insufficient balance");
balanceOf[msg.sender] -= amount;
balanceOf[recipient] += amount;
emit Transfer(msg.sender, recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
require(balanceOf[sender] >= amount, "Insufficient balance");
require(allowance[sender][msg.sender] >= amount, "Allowance exceeded");
balanceOf[sender] -= amount;
balanceOf[recipient] += amount;
allowance[sender][msg.sender] -= amount;
emit Transfer(sender, recipient, amount);
return true;
}
function trackUserProgress(address participant) public view returns (uint256 tokensEarned, uint256 tasksCompleted) {
tokensEarned = balanceOf[participant];
tasksCompleted = taskCompletionCount[participant];
}
function buyPercentage(uint256 percentage) external payable saleIsActive {
require(percentage > 0 && percentage <= 100, "Percentage must be between 1 and 100");
uint256 tokensToBuy = (availableSupply * percentage) / 100;
uint256 cost = tokensToBuy * pricePerToken;
require(tokensSold + tokensToBuy <= availableSupply, "Sale limit reached");
require(msg.value >= cost, "Not enough ETH sent");
tokensSold += tokensToBuy;
balanceOf[msg.sender] += tokensToBuy;
if (msg.value > cost) {
payable(msg.sender).transfer(msg.value - cost);
}
payable(owner).transfer(cost);
}
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
event TokenPurchase(address indexed buyer, uint256 amount, uint256 value);
}
Read Contract
MAX_SUPPLY 0x32cb6b0c → uint256
allowance 0xdd62ed3e → uint256
availableSupply 0x7ecc2b56 → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
owner 0x8da5cb5b → address
pricePerToken 0x7b1b1de6 → uint256
saleActive 0x68428a1b → bool
symbol 0x95d89b41 → string
taskCompletionCount 0xc35323c2 → uint256
tokensSold 0x518ab2a8 → uint256
totalSupply 0x18160ddd → uint256
trackUserProgress 0x7a62a98f → uint256, uint256
Write Contract 8 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address spender
uint256 amount
returns: bool
buyPercentage 0xb9ddae65
uint256 percentage
buyTokens 0x3610724e
uint256 amount
completeTask 0xd44465d8
address user
uint256 taskReward
mint 0xa0712d68
uint256 amount
toggleSale 0x7d8966e4
No parameters
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool
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