Source Code
More Info
Private Name Tags
ContractCreator
TokenTracker
Latest 1 from a total of 1 transactions
| Transaction Hash |
Method
|
Block
|
From
|
To
|
|||||
|---|---|---|---|---|---|---|---|---|---|
| Transfer | 39286683 | 56 days ago | IN | 0 MON | 0.00657461 |
Latest 1 internal transaction
Advanced mode:
| Parent Transaction Hash | Block | From | To | |||
|---|---|---|---|---|---|---|
| 39285877 | 56 days ago | Contract Creation | 0 MON |
Loading...
Loading
Contract Name:
Crystal
Compiler Version
v0.8.28+commit.7893614a
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
/**
* @title Crystal
* @notice ERC20 token with fixed supply minted at creation
* @dev Full 21M supply minted at deployment: 105K for liquidity, 20.895M to CrystalSupply
* Anyone can burn their own tokens
*/
contract Crystal is ERC20, Ownable {
/// @notice Maximum supply (all minted at creation)
uint256 public constant MAX_SUPPLY = 21_000_000 ether;
/// @notice Initial liquidity allocation
uint256 public constant INITIAL_LIQUIDITY = 105_000 ether;
/**
* @param _name Token name
* @param _symbol Token symbol
* @param _crystalSupply Address to receive mining supply (CrystalSupply contract)
* @param _initialLiquidityRecipient Address to receive 105K for initial liquidity (use address(0) to skip)
*/
constructor(
string memory _name,
string memory _symbol,
address _crystalSupply,
address _initialLiquidityRecipient
) ERC20(_name, _symbol) Ownable(msg.sender) {
// Mint entire supply at creation
_mint(address(this), MAX_SUPPLY);
// Transfer initial liquidity (105K tokens)
if (_initialLiquidityRecipient != address(0)) {
_transfer(address(this), _initialLiquidityRecipient, INITIAL_LIQUIDITY);
}
// Transfer remaining supply to CrystalSupply contract (20.895M tokens)
if (_crystalSupply != address(0)) {
uint256 supplyAmount = MAX_SUPPLY - INITIAL_LIQUIDITY; // 20,895,000 tokens
_transfer(address(this), _crystalSupply, supplyAmount);
}
}
/**
* @notice Burn tokens (anyone can burn their own tokens)
* @param amount Amount to burn
*/
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
}// 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);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/draft-IERC6093.sol)
pragma solidity >=0.8.4;
/**
* @dev Standard ERC-20 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
*/
interface IERC20Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC20InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC20InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
* @param spender Address that may be allowed to operate on tokens without being their owner.
* @param allowance Amount of tokens a `spender` is allowed to operate with.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC20InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `spender` to be approved. Used in approvals.
* @param spender Address that may be allowed to operate on tokens without being their owner.
*/
error ERC20InvalidSpender(address spender);
}
/**
* @dev Standard ERC-721 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
*/
interface IERC721Errors {
/**
* @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
* Used in balance queries.
* @param owner Address of the current owner of a token.
*/
error ERC721InvalidOwner(address owner);
/**
* @dev Indicates a `tokenId` whose `owner` is the zero address.
* @param tokenId Identifier number of a token.
*/
error ERC721NonexistentToken(uint256 tokenId);
/**
* @dev Indicates an error related to the ownership over a particular token. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param tokenId Identifier number of a token.
* @param owner Address of the current owner of a token.
*/
error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC721InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC721InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param tokenId Identifier number of a token.
*/
error ERC721InsufficientApproval(address operator, uint256 tokenId);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC721InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC721InvalidOperator(address operator);
}
/**
* @dev Standard ERC-1155 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
*/
interface IERC1155Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
* @param tokenId Identifier number of a token.
*/
error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC1155InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC1155InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param owner Address of the current owner of a token.
*/
error ERC1155MissingApprovalForAll(address operator, address owner);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC1155InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC1155InvalidOperator(address operator);
/**
* @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
* Used in batch transfers.
* @param idsLength Length of the array of token identifiers
* @param valuesLength Length of the array of token amounts
*/
error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC-20
* applications.
*/
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
mapping(address account => uint256) private _balances;
mapping(address account => mapping(address spender => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* Both values are immutable: they can only be set once during construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return 18;
}
/// @inheritdoc IERC20
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
/// @inheritdoc IERC20
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `value`.
*/
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
/// @inheritdoc IERC20
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Skips emitting an {Approval} event indicating an allowance update. This is not
* required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `value`.
* - the caller must have allowance for ``from``'s tokens of at least
* `value`.
*/
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
/**
* @dev Moves a `value` amount of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _transfer(address from, address to, uint256 value) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
/**
* @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
* (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
* this function.
*
* Emits a {Transfer} event.
*/
function _update(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
// Overflow check required: The rest of the code assumes that totalSupply never overflows
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
// Overflow not possible: value <= fromBalance <= totalSupply.
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
// Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
_totalSupply -= value;
}
} else {
unchecked {
// Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
/**
* @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
* Relies on the `_update` mechanism
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
/**
* @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
* Relies on the `_update` mechanism.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead
*/
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
/**
* @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*
* Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
*/
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
/**
* @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
*
* By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
* `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
* `Approval` event during `transferFrom` operations.
*
* Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
* true using the following override:
*
* ```solidity
* function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
* super._approve(owner, spender, value, true);
* }
* ```
*
* Requirements are the same as {_approve}.
*/
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
/**
* @dev Updates `owner`'s allowance for `spender` based on spent `value`.
*
* Does not update the allowance value in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Does not emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance < type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity >=0.6.2;
import {IERC20} from "../IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC-20 standard.
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}// 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);
}// 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;
}
}{
"optimizer": {
"enabled": true,
"runs": 200
},
"viaIR": false,
"evmVersion": "paris",
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"address","name":"_crystalSupply","type":"address"},{"internalType":"address","name":"_initialLiquidityRecipient","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"allowance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC20InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC20InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC20InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"}],"name":"ERC20InvalidSpender","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"INITIAL_LIQUIDITY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]Contract Creation Code
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
Deployed Bytecode
0x608060405234801561001057600080fd5b50600436106100f55760003560e01c806355097bf11161009757806395d89b411161006657806395d89b41146101f3578063a9059cbb146101fb578063dd62ed3e1461020e578063f2fde38b1461024757600080fd5b806355097bf11461019657806370a08231146101a7578063715018a6146101d05780638da5cb5b146101d857600080fd5b806323b872dd116100d357806323b872dd1461014d578063313ce5671461016057806332cb6b0c1461016f57806342966c681461018157600080fd5b806306fdde03146100fa578063095ea7b31461011857806318160ddd1461013b575b600080fd5b61010261025a565b60405161010f9190610750565b60405180910390f35b61012b6101263660046107ba565b6102ec565b604051901515815260200161010f565b6002545b60405190815260200161010f565b61012b61015b3660046107e4565b610306565b6040516012815260200161010f565b61013f6a115eec47f6cf7e3500000081565b61019461018f366004610821565b61032a565b005b61013f69163c0fb846284fa0000081565b61013f6101b536600461083a565b6001600160a01b031660009081526020819052604090205490565b610194610337565b6005546040516001600160a01b03909116815260200161010f565b61010261034b565b61012b6102093660046107ba565b61035a565b61013f61021c36600461085c565b6001600160a01b03918216600090815260016020908152604080832093909416825291909152205490565b61019461025536600461083a565b610368565b6060600380546102699061088f565b80601f01602080910402602001604051908101604052809291908181526020018280546102959061088f565b80156102e25780601f106102b7576101008083540402835291602001916102e2565b820191906000526020600020905b8154815290600101906020018083116102c557829003601f168201915b5050505050905090565b6000336102fa8185856103a8565b60019150505b92915050565b6000336103148582856103ba565b61031f858585610439565b506001949350505050565b6103343382610498565b50565b61033f6104d2565b61034960006104ff565b565b6060600480546102699061088f565b6000336102fa818585610439565b6103706104d2565b6001600160a01b03811661039f57604051631e4fbdf760e01b8152600060048201526024015b60405180910390fd5b610334816104ff565b6103b58383836001610551565b505050565b6001600160a01b03838116600090815260016020908152604080832093861683529290522054600019811015610433578181101561042457604051637dc7a0d960e11b81526001600160a01b03841660048201526024810182905260448101839052606401610396565b61043384848484036000610551565b50505050565b6001600160a01b03831661046357604051634b637e8f60e11b815260006004820152602401610396565b6001600160a01b03821661048d5760405163ec442f0560e01b815260006004820152602401610396565b6103b5838383610626565b6001600160a01b0382166104c257604051634b637e8f60e11b815260006004820152602401610396565b6104ce82600083610626565b5050565b6005546001600160a01b031633146103495760405163118cdaa760e01b8152336004820152602401610396565b600580546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b6001600160a01b03841661057b5760405163e602df0560e01b815260006004820152602401610396565b6001600160a01b0383166105a557604051634a1406b160e11b815260006004820152602401610396565b6001600160a01b038085166000908152600160209081526040808320938716835292905220829055801561043357826001600160a01b0316846001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9258460405161061891815260200190565b60405180910390a350505050565b6001600160a01b03831661065157806002600082825461064691906108c9565b909155506106c39050565b6001600160a01b038316600090815260208190526040902054818110156106a45760405163391434e360e21b81526001600160a01b03851660048201526024810182905260448101839052606401610396565b6001600160a01b03841660009081526020819052604090209082900390555b6001600160a01b0382166106df576002805482900390556106fe565b6001600160a01b03821660009081526020819052604090208054820190555b816001600160a01b0316836001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8360405161074391815260200190565b60405180910390a3505050565b602081526000825180602084015260005b8181101561077e5760208186018101516040868401015201610761565b506000604082850101526040601f19601f83011684010191505092915050565b80356001600160a01b03811681146107b557600080fd5b919050565b600080604083850312156107cd57600080fd5b6107d68361079e565b946020939093013593505050565b6000806000606084860312156107f957600080fd5b6108028461079e565b92506108106020850161079e565b929592945050506040919091013590565b60006020828403121561083357600080fd5b5035919050565b60006020828403121561084c57600080fd5b6108558261079e565b9392505050565b6000806040838503121561086f57600080fd5b6108788361079e565b91506108866020840161079e565b90509250929050565b600181811c908216806108a357607f821691505b6020821081036108c357634e487b7160e01b600052602260045260246000fd5b50919050565b8082018082111561030057634e487b7160e01b600052601160045260246000fdfea2646970667358221220921d06c64f2b778d47e0b682f934584dae44792dff247d39673abad4fead984b64736f6c634300081c0033
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _name (string): Crystal
Arg [1] : _symbol (string): TAL
Arg [2] : _crystalSupply (address): 0x99662E7CC1970DE202e97D5B2b70215D5370B1f4
Arg [3] : _initialLiquidityRecipient (address): 0x99662E7CC1970DE202e97D5B2b70215D5370B1f4
-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 00000000000000000000000099662e7cc1970de202e97d5b2b70215d5370b1f4
Arg [3] : 00000000000000000000000099662e7cc1970de202e97d5b2b70215d5370b1f4
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [5] : 4372797374616c00000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [7] : 54414c0000000000000000000000000000000000000000000000000000000000
Loading...
Loading
Loading...
Loading
Loading...
Loading
Net Worth in USD
$0.00
Net Worth in MON
Multichain Portfolio | 35 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
|---|
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.