Description:
Multi-signature wallet contract requiring multiple confirmations for transaction execution.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"src/ComradesOTD.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/interfaces/IERC20.sol";
/*
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Ethscriptions - Rise from the grave
*/
contract ComradesOTD is ReentrancyGuard, Ownable {
// Token name
string private _name = "Comrades of the Dead";
// Token symbol
string private _symbol = "COTD";
// State Values
bool public paused = true;
uint private nextTokenId = 1;
// Address constants
address payable private locker;
address[] private teamAddressList;
// Price constants
uint constant public MINT_PRICE = 1300000000000000; // 0.0013 ETH
// Purchase and minting limits
uint8 constant public PURCHASE_LIMIT = 1;
uint8 constant public WALLET_MINT_LIMIT = 13; // Max public mints per wallet
uint8 constant public DEV_TERM = 10; // 1 team token per 10 mints
uint16 public COTD_LIMIT = 666; // Total Ethscriptions (public + promo + team)
// Promo budget
uint16 public PROMO_BUDGET = 66;
uint16 public LAST_TEAM_MINT = 0;
// Track public mints per address (both payer and recipient)
mapping(address => uint8) public mintsByPayer;
mapping(address => uint8) public mintsByRecipient;
// Events for Ethscriptions
event EthscribeCOTD(address minter, address indexed mintTo, uint indexed firstTokenId, uint indexed amount);
event PauseEvent(address indexed setter, bool indexed status);
event TeamAddressesSet(address indexed setter, uint listSize);
event LockerSet(address indexed setter, address indexed locker);
constructor(
address _locker,
address[] memory _teamAddressList,
address initialOwner)
Ownable(initialOwner)
{
locker = payable(_locker);
setTeamAddresses(_teamAddressList);
}
/**
* @dev Ethscribe COTD NFTs by paying the specified mint amount.
* @param mintAmount The number of tokens to Ethscribe.
* @param mintTo The address to send Ethscriptions to.
* @param checkLimit Whether to check the purchase limit (false for promo mints).
*/
function _ethscribe(uint8 mintAmount, address mintTo, bool checkLimit) private {
require(nextTokenId + mintAmount <= COTD_LIMIT, "No more COTD available!");
if (checkLimit) {
require(mintAmount <= PURCHASE_LIMIT, "Purchase limit exceeded!");
require(mintsByPayer[msg.sender] + mintAmount <= WALLET_MINT_LIMIT, "Payer wallet mint limit exceeded!");
require(mintsByRecipient[mintTo] + mintAmount <= WALLET_MINT_LIMIT, "Recipient wallet mint limit exceeded!");
}
require(mintTo != address(0), "Invalid mint address!");
// emit purchase event for Ethscriptions
emit EthscribeCOTD(msg.sender, mintTo, nextTokenId, mintAmount);
// Update mint counters (only for public mints)
if (checkLimit) {
mintsByPayer[msg.sender] += mintAmount;
mintsByRecipient[mintTo] += mintAmount;
}
// increment tokenIds
nextTokenId = nextTokenId + mintAmount;
// check if team earned a token
if(LAST_TEAM_MINT + DEV_TERM <= nextTokenId) {
_teamShare();
}
}
/**
* @dev Mint COTD NFTs by paying the mint price.
* @param mintAmount The number of COTD NFTs to mint.
* @param mintTo The address to send the tokens to.
*/
function mintCOTD(uint8 mintAmount, address mintTo) public payable nonReentrant {
require(paused == false, "Minting is paused!");
require(nextTokenId + mintAmount <= COTD_LIMIT, "No more COTD available!");
require(msg.value >= MINT_PRICE * mintAmount, "Insufficient Ether");
// Transfer Ether to the locker address
_sendEth(locker, msg.value);
// mint the tokens
_ethscribe(mintAmount, mintTo, true);
}
/**
* @dev Promotional minting for the owner.
* @param mintAmount The number of COTD NFTs to mint.
* @param mintTo The address to send the tokens to.
*/
function promoMint(uint8 mintAmount, address mintTo) public onlyOwner {
require(PROMO_BUDGET >= mintAmount, "Promo budget exhausted");
// Update the promo budget
PROMO_BUDGET = PROMO_BUDGET - mintAmount;
_ethscribe(mintAmount, mintTo, false);
}
/**
* @dev Set the locker address for receiving ETH.
*/
function setLocker(address newLocker) public onlyOwner {
locker = payable(newLocker);
emit LockerSet(msg.sender, locker);
}
/**
* @dev Set team addresses for automatic distribution.
*/
function setTeamAddresses(address[] memory newAddressList) public onlyOwner {
require(newAddressList.length > 0, "Team addresses must not be empty!");
// Clear the old team array
delete teamAddressList;
// Update the TeamAddresses array
for (uint i = 0; i < newAddressList.length; i++) {
teamAddressList.push(newAddressList[i]);
}
// Emit an event to log the change
emit TeamAddressesSet(msg.sender, newAddressList.length);
}
/**
* @dev Pause minting.
*/
function pause() public onlyOwner {
paused = true;
emit PauseEvent(msg.sender, paused);
}
/**
* @dev Unpause minting.
*/
function unpause() public onlyOwner {
paused = false;
emit PauseEvent(msg.sender, paused);
}
// View functions
function name() public view virtual returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function getPauseStatus() public view virtual returns (bool) {
return paused;
}
function getNextTokenId() public view virtual returns (uint) {
return nextTokenId;
}
function getCOTDRemaining() public view virtual returns (uint) {
return COTD_LIMIT - (nextTokenId - 1);
}
function getTeamAddressList() public view virtual returns (address[] memory) {
return teamAddressList;
}
function getPromoBudget() public view virtual returns (uint16) {
return PROMO_BUDGET;
}
/**
* @dev Team share allocated as mint occurs.
*/
function _teamShare() private {
LAST_TEAM_MINT += DEV_TERM;
require(LAST_TEAM_MINT <= nextTokenId, "Not team share time!");
require(nextTokenId <= COTD_LIMIT, "All have been minted!");
require(teamAddressList.length > 0, "No team addresses set!");
// mint team token to the next team member in rotation
uint teamIndex = (LAST_TEAM_MINT / DEV_TERM - 1) % teamAddressList.length;
emit EthscribeCOTD(address(this), teamAddressList[teamIndex], nextTokenId, 1);
nextTokenId++;
// check if there are more dev tokens to mint
if(LAST_TEAM_MINT + DEV_TERM <= nextTokenId) {
_teamShare();
}
}
/**
* @dev Internal function to send ETH.
*/
function _sendEth(address _destination, uint256 _amount) internal {
(bool sent, ) = _destination.call{value: _amount}("");
require(sent, "Failed to send Ether");
}
/**
* @dev Withdraw tokens mistakenly sent to this contract.
*/
function withdrawToken(address _tokenContract, uint256 _amount) external onlyOwner {
IERC20 tokenContract = IERC20(_tokenContract);
tokenContract.transfer(locker, _amount);
}
/**
* @dev Withdraw ETH mistakenly sent to this contract.
*/
function withdrawETH(uint256 _amount) external onlyOwner {
_sendEth(locker, _amount);
}
}"
},
"lib/openzeppelin-contracts/contracts/utils/ReentrancyGuard.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)
pragma solidity ^0.8.20;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,
* consider using {ReentrancyGuardTransient} instead.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant NOT_ENTERED = 1;
uint256 private constant ENTERED = 2;
uint256 private _status;
/**
* @dev Unauthorized reentrant call.
*/
error ReentrancyGuardReentrantCall();
constructor() {
_status = NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be NOT_ENTERED
if (_status == ENTERED) {
revert ReentrancyGuardReentrantCall();
}
// Any calls to nonReentrant after this point will fail
_status = ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == ENTERED;
}
}
"
},
"lib/openzeppelin-contracts/contracts/access/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
import {Context} from "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* The initial owner is set to the address provided by the deployer. This can
* later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
/**
* @dev The caller account is not authorized to perform an operation.
*/
error OwnableUnauthorizedAccount(address account);
/**
* @dev The owner is not a valid owner account. (eg. `address(0)`)
*/
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the address provided by the deployer as the initial owner.
*/
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)
pragma solidity >=0.4.16;
import {IERC20} from "../token/ERC20/IERC20.sol";
"
},
"lib/openzeppelin-contracts/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)
pragma solidity >=0.4.16;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
}
},
"settings": {
"remappings": [
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
"forge-std/=lib/forge-std/src/",
"halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/"
],
"optimizer": {
"enabled": false,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "prague",
"viaIR": false
}
}}
Submitted on: 2025-10-31 10:45:02
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