Contract Name:
MigratorManager
Contract Source Code:
// 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 v5.1.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;
/**
* @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 v5.1.0) (interfaces/IERC1363.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../utils/introspection/IERC165.sol";
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (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}.
*
* All two of these 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;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
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;
}
/**
* @dev See {IERC20-allowance}.
*/
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 v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)
pragma solidity ^0.8.20;
import {ERC20} from "../ERC20.sol";
import {Context} from "../../../utils/Context.sol";
/**
* @dev Extension of {ERC20} that allows token holders to destroy both their own
* tokens and those that they have an allowance for, in a way that can be
* recognized off-chain (via event analysis).
*/
abstract contract ERC20Burnable is Context, ERC20 {
/**
* @dev Destroys a `value` amount of tokens from the caller.
*
* See {ERC20-_burn}.
*/
function burn(uint256 value) public virtual {
_burn(_msgSender(), value);
}
/**
* @dev Destroys a `value` amount of tokens from `account`, deducting from
* the caller's allowance.
*
* See {ERC20-_burn} and {ERC20-allowance}.
*
* Requirements:
*
* - the caller must have allowance for ``accounts``'s tokens of at least
* `value`.
*/
function burnFrom(address account, uint256 value) public virtual {
_spendAllowance(account, _msgSender(), value);
_burn(account, value);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
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 v5.1.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @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 v5.2.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*
* NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
* only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
* set here.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(
IERC1363 token,
address from,
address to,
uint256 value,
bytes memory data
) internal {
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}
// 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;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/ECDSA.sol)
pragma solidity ^0.8.20;
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS
}
/**
* @dev The signature derives the `address(0)`.
*/
error ECDSAInvalidSignature();
/**
* @dev The signature has an invalid length.
*/
error ECDSAInvalidSignatureLength(uint256 length);
/**
* @dev The signature has an S value that is in the upper half order.
*/
error ECDSAInvalidSignatureS(bytes32 s);
/**
* @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not
* return address(0) without also returning an error description. Errors are documented using an enum (error type)
* and a bytes32 providing additional information about the error.
*
* If no error is returned, then the address can be used for verification purposes.
*
* The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
*
* Documentation for signature generation:
* - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
* - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
*/
function tryRecover(
bytes32 hash,
bytes memory signature
) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
assembly ("memory-safe") {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return tryRecover(hash, v, r, s);
} else {
return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);
_throwError(error, errorArg);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
*
* See https://eips.ethereum.org/EIPS/eip-2098[ERC-2098 short signatures]
*/
function tryRecover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {
unchecked {
bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
// We do not check for an overflow here since the shift operation results in 0 or 1.
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
}
}
/**
* @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
*/
function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);
_throwError(error, errorArg);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function tryRecover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS, s);
}
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature, bytes32(0));
}
return (signer, RecoverError.NoError, bytes32(0));
}
/**
* @dev Overload of {ECDSA-recover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);
_throwError(error, errorArg);
return recovered;
}
/**
* @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.
*/
function _throwError(RecoverError error, bytes32 errorArg) private pure {
if (error == RecoverError.NoError) {
return; // no error: do nothing
} else if (error == RecoverError.InvalidSignature) {
revert ECDSAInvalidSignature();
} else if (error == RecoverError.InvalidSignatureLength) {
revert ECDSAInvalidSignatureLength(uint256(errorArg));
} else if (error == RecoverError.InvalidSignatureS) {
revert ECDSAInvalidSignatureS(errorArg);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/access/Ownable.sol";
contract ConfigManager is Ownable {
address public platformWallet;
address public susdToken;
address public boomToken;
address public feeManager;
address public migratorManager;
address public rewardManager;
address public graduateFactory;
address public graduateRouter;
address public router;
uint256 public minPurchaseAmount;
uint256 public inactivePoolThreshold;
uint256 public creationFee;
// Constants for virtual dollar thresholds
uint256 public constant START_THRESHOLD = 10_000 * 1e6; // 10,000 virtual dollars
uint256 public constant FAMOUS_THRESHOLD = 20_000 * 1e6; // 20,000 virtual dollars
uint256 public constant VIRAL_THRESHOLD = 40_000 * 1e6; // 40,000 virtual dollars
uint256 public constant GRADUATE_THRESHOLD = 80_000 * 1e6; // 80,000 virtual dollars
constructor() Ownable(msg.sender) {
inactivePoolThreshold = 24 hours;
minPurchaseAmount = 1 * 1e6; // 1 SUSD (1,000,000 base units)
creationFee = 1_000; // 0.001 SUSD in base units
}
function setAddresses(
address _platformWallet,
address _susdToken,
address _boomToken,
address _feeManager,
address _migratorManager,
address _rewardManager,
address _router
) public onlyOwner {
platformWallet = _platformWallet;
susdToken = _susdToken;
boomToken = _boomToken;
feeManager = _feeManager;
migratorManager = _migratorManager;
rewardManager = _rewardManager;
router = _router;
}
function setParameters(
uint256 _minPurchaseAmount,
uint256 _inactivePoolThreshold,
uint256 _creationFee
) public onlyOwner {
minPurchaseAmount = _minPurchaseAmount;
inactivePoolThreshold = _inactivePoolThreshold;
creationFee = _creationFee;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "./RewardManager.sol";
import "./Router.sol";
import "./ConfigManager.sol";
contract FeeManager is Ownable {
ConfigManager public configManager;
// Fee rates for each tier (in basis points, 1% = 100)
uint256 public constant START_FEE_RATE = 2000; // 20%
uint256 public constant FAMOUS_FEE_RATE = 1500; // 15%
uint256 public constant VIRAL_FEE_RATE = 1000; // 10%
// Platform shares for each tier (in basis points)
uint256 public constant START_PLATFORM_SHARE = 8000; // 80%
uint256 public constant FAMOUS_PLATFORM_SHARE = 8000; // 80%
uint256 public constant VIRAL_PLATFORM_SHARE = 9200; // 92%
// Creator shares for each tier (in basis points)
uint256 public constant START_CREATOR_SHARE = 1200; // 12%
uint256 public constant FAMOUS_CREATOR_SHARE = 1200; // 12%
uint256 public constant VIRAL_CREATOR_SHARE = 800; // 8%
// Deployer shares for each tier (in basis points)
uint256 public constant START_DEPLOYER_SHARE = 800; // 8%
uint256 public constant FAMOUS_DEPLOYER_SHARE = 800; // 8%
uint256 public constant VIRAL_DEPLOYER_SHARE = 0; // 0%
// Graduate DEX distribution (in basis points)
uint256 public constant GRADUATE_PLATFORM_SHARE = 9000; // 90%
uint256 public constant GRADUATE_CREATOR_SHARE = 750; // 7.5%
uint256 public constant GRADUATE_DEPLOYER_SHARE = 250; // 2.5%
// Graduate DEX configuration
uint256 public constant GRADUATE_SUSD_AMOUNT = 35_000 * 1e6; // 35,000 SUSD
uint256 public constant GRADUATE_TOKEN_AMOUNT = 10_000 * 1e18; // 10,000 tokens
struct FeeInfo {
uint256 feeRate;
uint256 creatorShare;
uint256 deployerShare;
uint256 platformShare;
}
constructor(address _configManager) Ownable(msg.sender) {
configManager = ConfigManager(_configManager);
}
function getFeeInfo(uint256 virtualDollarAmount) public view returns (uint256, uint256, uint256, uint256) {
if (virtualDollarAmount >= configManager.GRADUATE_THRESHOLD()) {
return (0, GRADUATE_CREATOR_SHARE, GRADUATE_DEPLOYER_SHARE, GRADUATE_PLATFORM_SHARE);
}
else if (virtualDollarAmount >= configManager.VIRAL_THRESHOLD()) {
return (
VIRAL_FEE_RATE,
VIRAL_CREATOR_SHARE,
VIRAL_DEPLOYER_SHARE,
VIRAL_PLATFORM_SHARE
);
}
else if (virtualDollarAmount >= configManager.FAMOUS_THRESHOLD()) {
return (
FAMOUS_FEE_RATE,
FAMOUS_CREATOR_SHARE,
FAMOUS_DEPLOYER_SHARE,
FAMOUS_PLATFORM_SHARE
);
}
else if (virtualDollarAmount >= configManager.START_THRESHOLD()) {
return (
START_FEE_RATE,
START_CREATOR_SHARE,
START_DEPLOYER_SHARE,
START_PLATFORM_SHARE
);
}
return (0, 0, 0, 0); // Below start threshold
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "./TweetToken.sol";
import "./TweetPool.sol";
import "./RewardManager.sol";
import "./MigratorManager.sol";
import "./FeeManager.sol";
import "./ConfigManager.sol";
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
}
interface IUniswapV2Router02 {
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);
}
contract MigratorManager is Ownable {
// State Variables
RewardManager public rewardManager;
FeeManager public feeManager;
ConfigManager public configManager;
address public routingContract;
// Events
event MigratedToShadowChain(address indexed virtualPool, address indexed tweetToken);
constructor(
address _rewardManager,
address _feeManager,
address _configManager,
address _routingContract
) Ownable(msg.sender) {
rewardManager = RewardManager(_rewardManager);
feeManager = FeeManager(_feeManager);
configManager = ConfigManager(_configManager);
routingContract = _routingContract;
}
// Modifiers
modifier onlyRoutingContract() {
require(msg.sender == routingContract, "Reward: caller is not the routing contract");
_;
}
function checkAndHandleGraduation(
address _virtualPoolAddress
) external onlyRoutingContract {
TweetPool virtualPool = TweetPool(_virtualPoolAddress);
TweetToken tweetToken = TweetToken(virtualPool.tweetToken());
// Check if pool should graduate
if (virtualPool.virtualDollarReserve() >= virtualPool.GRADUATE_THRESHOLD() && !virtualPool.isGraduated()) {
_migrateToShadowChain(virtualPool, tweetToken);
}
}
function _migrateToShadowChain(
TweetPool tweetPool,
TweetToken tweetToken
) internal {
require(configManager.graduateFactory() != address(0), "Migrator: Graduate factory not set");
require(configManager.graduateRouter() != address(0), "Migrator: Graduate router not set");
// Get current reserves
uint256 virtualDollarReserve = tweetPool.virtualDollarReserve();
(uint256 graduatePoolDollar, uint256 creatorShare, uint256 deployerShare, uint256 platformShare) = feeManager.getFeeInfo(virtualDollarReserve);
// Calculate amounts for profit, creator, and deployer
uint256 totalRewardAmount = virtualDollarReserve - graduatePoolDollar - (10_000 * 10**6); // All virtual dollars become fees
uint256 creatorAmount = totalRewardAmount * creatorShare / 10_000;
uint256 deployerAmount = totalRewardAmount * deployerShare / 10_000;
uint256 platformAmount = totalRewardAmount * platformShare / 10_000;
IERC20(configManager.susdToken()).transfer(configManager.platformWallet(), platformAmount);
rewardManager.depositRewards(tweetToken.tweetUserId(), creatorAmount, tweetPool.deployerAddress(), deployerAmount);
// Create pair on Shadow chain DEX
bytes memory createPairData = abi.encodeWithSignature(
"createPair(address,address)",
address(tweetToken),
configManager.susdToken()
);
(bool success1,) = configManager.graduateFactory().call(createPairData);
require(success1, "Migrator: Failed to create pair on Shadow chain");
// Burn remaining Tweet Tokens
tweetToken.burn(tweetToken.balanceOf(address(this)));
// Add liquidity to the pair
bytes memory addLiquidityData = abi.encodeWithSignature(
"addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256)",
address(tweetToken),
configManager.susdToken(),
tweetToken.balanceOf(address(this)),
graduatePoolDollar,
0,
0,
address(this),
block.timestamp + 1800
);
(bool success2,) = configManager.graduateRouter().call(addLiquidityData);
require(success2, "Migrator: Failed to add liquidity on Shadow chain");
emit MigratedToShadowChain(address(tweetPool), address(tweetToken));
}
// Admin functions
function setConfigManager(address _configManager) external onlyOwner {
require(_configManager != address(0), "Migrator: invalid config manager");
configManager = ConfigManager(_configManager);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./ConfigManager.sol";
contract RewardManager is Ownable {
using ECDSA for bytes32;
// State variables
IERC20 public susdToken;
address public signerAddress;
mapping(string => uint256) public creatorRewards;
mapping(address => uint256) public deployerRewards;
address public routingContract;
ConfigManager public configManager;
// Events
event CreatorRewardClaimed(string indexed tweetUserId, address indexed recipient, uint256 amount);
event DeployerRewardClaimed(address indexed deployerAddress, address indexed recipient, uint256 amount);
// Modifiers
modifier onlyRoutingContract() {
require(msg.sender == routingContract, "Reward: caller is not the routing contract");
_;
}
constructor(address _routingContract, address _configManager, address _signerAddress, address _susdToken) Ownable(msg.sender) {
routingContract = _routingContract;
require(_signerAddress != address(0), "Reward: invalid signer address");
require(_susdToken != address(0), "Reward: invalid SUSD token");
signerAddress = _signerAddress;
susdToken = IERC20(_susdToken);
configManager = ConfigManager(_configManager);
}
function depositRewards(string calldata tweetUserId, uint256 amount, address deployerAddress, uint256 deployerAmount) external onlyRoutingContract {
creatorRewards[tweetUserId] += amount;
deployerRewards[deployerAddress] += deployerAmount;
}
function claimCreatorReward(string calldata tweetUserId, address payable to, bytes calldata signature) external {
uint256 amount = creatorRewards[tweetUserId];
require(amount > 0, "Reward: no reward available");
// Verify signature
bytes32 messageHash = keccak256(
abi.encodePacked(
"\x19Ethereum Signed Message:\n32",
keccak256(
abi.encode(
address(this), // Contract address for replay protection
tweetUserId, // Tweet user ID
to, // Recipient address
amount // Amount being claimed
)
)
)
);
address recoveredSigner = ECDSA.recover(messageHash, signature);
require(recoveredSigner == signerAddress, "RewardManager: invalid signature");
creatorRewards[tweetUserId] = 0;
require(susdToken.transfer(to, amount), "Reward: transfer failed");
emit CreatorRewardClaimed(tweetUserId, to, amount);
}
function claimDeployerReward(address payable to) external {
uint256 amount = deployerRewards[msg.sender];
require(amount > 0, "Reward: no reward available");
deployerRewards[msg.sender] = 0;
require(susdToken.transfer(to, amount), "Reward: transfer failed");
emit DeployerRewardClaimed(msg.sender, to, amount);
}
function setRoutingContract(address _routingContract) external onlyOwner {
require(_routingContract != address(0), "Reward: invalid routing contract");
routingContract = _routingContract;
}
function setSignerAddress(address newSigner) external onlyOwner {
require(newSigner != address(0), "Reward: invalid signer address");
signerAddress = newSigner;
}
function setConfigManager(address _configManager) external onlyOwner {
require(_configManager != address(0), "Reward: invalid config manager");
configManager = ConfigManager(_configManager);
}
function getCreatorReward(string calldata tweetUserId) external view returns (uint256) {
return creatorRewards[tweetUserId];
}
function getDeployerReward(address deployerAddress) external view returns (uint256) {
return deployerRewards[deployerAddress];
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "./TweetToken.sol";
import "./TweetPool.sol";
import "./RewardManager.sol";
import "./MigratorManager.sol";
import "./FeeManager.sol";
import "./ConfigManager.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract Router is Ownable {
using SafeERC20 for IERC20;
// State Variables
ConfigManager public configManager;
FeeManager public feeManager;
RewardManager public rewardManager;
IERC20 public susdToken;
uint256 public poolId;
// Events
event TweetPoolCreated(uint256 poolId);
event TweetPoolBought(uint256 indexed poolId, address buyer, uint256 tokenAmount);
event TweetPoolSold(uint256 indexed poolId, address seller, uint256 dollarAmount);
event TweetPoolGraduated(uint256 indexed poolId);
// Mappings
mapping(uint256 => address) public poolIdToTweetPool;
mapping(string => mapping(string => uint256)) public tweetPoolId;
mapping(string => mapping(string => bool)) public tweetPoolExists;
constructor(address _configManager) Ownable(msg.sender) {
poolId = 0;
configManager = ConfigManager(_configManager);
}
// View functions
function viewBuyOrder(uint256 _poolId, uint256 _dollarIn) public view returns(uint256 fee_, uint256 tokenOut_, uint256 newDollarReserve_, uint256 newTokenReserve_) {
require(_dollarIn >= configManager.minPurchaseAmount(), "Router: Amount too small");
TweetPool tweetPool = TweetPool(poolIdToTweetPool[_poolId]);
(uint256 feeRate,,, ) = feeManager.getFeeInfo(tweetPool.virtualDollarReserve());
// Calculate fee and net input
uint256 totalFee = (_dollarIn * feeRate) / 10000;
uint256 netDollarIn = _dollarIn - totalFee;
// Calculate AMM swap
uint256 k = tweetPool.virtualDollarReserve() * tweetPool.tweetTokenReserve();
uint256 newDollarReserve = tweetPool.virtualDollarReserve() + netDollarIn;
uint256 newTokenReserve = k / newDollarReserve;
uint256 tokenOut = tweetPool.tweetTokenReserve() - newTokenReserve;
return (totalFee, tokenOut, newDollarReserve, newTokenReserve);
}
function viewSellOrder(uint256 _poolId, uint256 _tokenIn) public view returns(uint256 fee_, uint256 dollarOut_, uint256 newDollarReserve_, uint256 newTokenReserve_) {
TweetPool tweetPool = TweetPool(poolIdToTweetPool[_poolId]);
(uint256 feeRate,,, ) = feeManager.getFeeInfo(tweetPool.virtualDollarReserve());
// Calculate AMM swap
uint256 k = tweetPool.virtualDollarReserve() * tweetPool.tweetTokenReserve();
uint256 newTokenReserve = tweetPool.tweetTokenReserve() + _tokenIn;
uint256 newDollarReserve = k / newTokenReserve;
uint256 grossDollarOut = tweetPool.virtualDollarReserve() - newDollarReserve;
// Calculate fee and net output
uint256 fee = (grossDollarOut * feeRate) / 10000;
uint256 netDollarOut = grossDollarOut - fee;
return (fee, netDollarOut, newDollarReserve, newTokenReserve);
}
// State-changing functions
function createTweetToken(
string calldata tweetId,
string calldata tweetUserId) external returns(uint256) {
require(!tweetPoolExists[tweetId][tweetUserId], "Router: TweetToken already exists");
// Check allowance and transfer 0.001 SUSD to platform
require(IERC20(configManager.susdToken()).allowance(msg.sender, address(this)) >= configManager.creationFee(), "Router: insufficient allowance for platform fee");
require(IERC20(configManager.susdToken()).transferFrom(msg.sender, configManager.platformWallet(), configManager.creationFee()), "Router: platform fee transfer failed");
// Deploy TweetToken
TweetToken tweetToken = new TweetToken(tweetId, tweetUserId);
// Deploy TweetPool
TweetPool tweetPool = new TweetPool(
tweetId,
address(tweetToken),
address(this),
tweetUserId,
msg.sender,
configManager.inactivePoolThreshold(),
address(configManager)
);
poolId++;
poolIdToTweetPool[poolId] = address(tweetPool);
tweetPoolId[tweetId][tweetUserId] = poolId;
tweetPoolExists[tweetId][tweetUserId] = true;
emit TweetPoolCreated(poolId);
return poolId;
}
function buyTweetToken(
uint256 _poolId,
uint256 _dollarIn
) external {
require(_dollarIn >= configManager.minPurchaseAmount(), "Router: Amount too small");
require(IERC20(configManager.susdToken()).transferFrom(msg.sender, address(this), _dollarIn), "Router: SUSD transfer failed");
require(0 < _poolId && _poolId <= poolId, "Router: Pool does not exist");
TweetPool tweetPool = TweetPool(poolIdToTweetPool[_poolId]);
require(tweetPool.isGraduated() == false, "Router: Pool is not graduated yet");
// Calculate fees and rewards
_handleBuyFees(tweetPool, _dollarIn);
// Calculate token amount out using AMM strategy and update balances
(uint256 tokenAmountOut, uint256 newDollarReserve) = _handleBuyAMM(tweetPool, _poolId, _dollarIn);
// Transfer tokens to buyer
require(TweetToken(tweetPool.tweetToken()).transfer(msg.sender, tokenAmountOut), "Router: token transfer failed");
// Update timestamp and emit event
tweetPool.updateLastBuyTimestamp();
emit TweetPoolBought(_poolId, msg.sender, tokenAmountOut);
// Check for graduation
if (newDollarReserve >= configManager.GRADUATE_THRESHOLD()) {
_handleGraduation(tweetPool, newDollarReserve);
}
}
function _handleBuyFees(TweetPool tweetPool, uint256 dollarAmount) private {
(uint256 tradeFee, uint256 creatorShare, uint256 deployerShare, uint256 platformShare) = feeManager.getFeeInfo(tweetPool.virtualDollarReserve());
uint256 fees = dollarAmount * tradeFee / 10_000;
uint256 platformFeeAmount = fees * platformShare / 10_000;
uint256 creatorFeeAmount = fees * creatorShare / 10_000;
uint256 deployerFeeAmount = fees * deployerShare / 10_000;
uint256 rewardFeeAmount = creatorFeeAmount + deployerFeeAmount;
IERC20(configManager.susdToken()).transfer(configManager.platformWallet(), platformFeeAmount);
IERC20(configManager.susdToken()).transfer(address(rewardManager), rewardFeeAmount);
rewardManager.depositRewards(
tweetPool.tweetUserId(),
creatorFeeAmount,
tweetPool.deployerAddress(),
deployerFeeAmount
);
}
function _handleBuyAMM(TweetPool tweetPool, uint256 _poolId, uint256 dollarAmount) private returns (uint256 tokenAmountOut, uint256 newVirtualDollarReserve) {
(uint256 fees, uint256 _tokenAmountOut, uint256 _newVirtualDollarReserve, uint256 newTweetTokenReserve) = viewBuyOrder(_poolId, dollarAmount);
tweetPool.updateBalances(_newVirtualDollarReserve, newTweetTokenReserve);
return (_tokenAmountOut, _newVirtualDollarReserve);
}
function _handleGraduation(TweetPool tweetPool, uint256 newVirtualDollarReserve) private {
tweetPool.setGraduated();
uint256 graduatePoolDollar = newVirtualDollarReserve - 10_000 * 1e6;
uint256 graduatePoolToken = tweetPool.tweetTokenReserve();
MigratorManager migratorManager = MigratorManager(configManager.migratorManager());
IERC20(tweetPool.tweetToken()).transfer(address(migratorManager), graduatePoolToken);
IERC20(configManager.susdToken()).transfer(address(migratorManager), graduatePoolDollar);
emit TweetPoolGraduated(poolId);
}
function sellTweetToken(
uint256 _poolId,
uint256 _amountIn
) external {
address tweetPoolAddress = poolIdToTweetPool[_poolId];
TweetPool tweetPool = TweetPool(tweetPoolAddress);
TweetToken tweetToken = TweetToken(tweetPool.tweetToken());
require(tweetToken.balanceOf(msg.sender) >= _amountIn, "Router: insufficient tweet token balance");
require(tweetToken.allowance(msg.sender, address(this)) >= _amountIn, "Router: insufficient allowance");
require(tweetPool.isGraduated() == false, "Router: Pool is not graduated yet");
// Handle fees and AMM calculations
(uint256 dollarAmountOut, uint256 newVirtualDollarReserve) = _handleSellAMM(tweetPool, _poolId, _amountIn);
require(dollarAmountOut >= configManager.minPurchaseAmount(), "Router: Insufficient output amount");
// Transfer tokens from seller
require(tweetToken.transferFrom(msg.sender, address(this), _amountIn), "Router: tweet token transfer failed");
// Handle fees and rewards
_handleSellFees(tweetPool, dollarAmountOut);
// Transfer SUSD to seller
require(susdToken.transfer(msg.sender, dollarAmountOut), "Router: SUSD transfer failed");
// Update timestamp and emit event
tweetPool.updateLastSellTimestamp();
emit TweetPoolSold(_poolId, msg.sender, dollarAmountOut);
}
function _handleSellFees(TweetPool tweetPool, uint256 dollarAmount) private {
(uint256 tradeFee, uint256 creatorShare, uint256 deployerShare, uint256 platformShare) = feeManager.getFeeInfo(tweetPool.virtualDollarReserve());
uint256 fees = dollarAmount * tradeFee / 10_000;
uint256 platformFeeAmount = fees * platformShare / 10_000;
uint256 creatorFeeAmount = fees * creatorShare / 10_000;
uint256 deployerFeeAmount = fees * deployerShare / 10_000;
uint256 rewardFeeAmount = creatorFeeAmount + deployerFeeAmount;
IERC20(configManager.susdToken()).transfer(configManager.platformWallet(), platformFeeAmount);
IERC20(configManager.susdToken()).transfer(address(rewardManager), rewardFeeAmount);
rewardManager.depositRewards(
tweetPool.tweetUserId(),
creatorFeeAmount,
tweetPool.deployerAddress(),
deployerFeeAmount
);
}
function _handleSellAMM(TweetPool tweetPool, uint256 _poolId, uint256 tokenAmount) private returns (uint256 dollarAmountOut, uint256 newVirtualDollarReserve) {
(uint256 fees, uint256 _dollarAmountOut, uint256 _newVirtualDollarReserve, uint256 newTweetTokenReserve) = viewSellOrder(_poolId, tokenAmount);
tweetPool.updateBalances(_newVirtualDollarReserve, newTweetTokenReserve);
return (_dollarAmountOut, _newVirtualDollarReserve);
}
// Admin functions
function setConfigAddress(address _configAddress) external onlyOwner {
configManager = ConfigManager(_configAddress);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/access/Ownable.sol";
import "./ConfigManager.sol";
contract TweetPool is Ownable {
// State variables
uint256 public virtualDollarReserve;
uint256 public tweetTokenReserve;
uint256 public createdTimestamp;
uint256 public lastBuyTimestamp;
uint256 public lastSellTimestamp;
bool public isGraduated;
string public tweetId;
string public tweetUserId;
address public tweetToken;
address public routingContract;
address public deployerAddress;
uint256 public inactivityThreshold;
ConfigManager public configManager;
uint256 public constant START_THRESHOLD = 10_000 * 1e6; // 10,000 SUSD
uint256 public constant FAMOUS_THRESHOLD = 20_000 * 1e6; // 20,000 SUSD
uint256 public constant VIRAL_THRESHOLD = 40_000 * 1e6; // 40,000 SUSD
uint256 public constant GRADUATE_THRESHOLD = 80_000 * 1e6; // 80,000 SUSD
uint256 public constant K = (10_0000 * 1e6) * (1_000_000 * 1e18);
// Events
event BalancesUpdated(uint256 virtualDollarReserve, uint256 tweetTokenReserve);
event InactivityThresholdUpdated(uint256 inactivityThreshold);
event GraduationStatusUpdated(bool isGraduated);
// Modifiers
modifier onlyRoutingContract() {
require(msg.sender == routingContract, "VirtualPool: caller is not the routing contract");
_;
}
constructor(
string memory _tweetId,
address _tweetToken,
address _routingContract,
string memory _tweetUserId,
address _deployerAddress,
uint256 _inactivityThreshold,
address _configAddress
) Ownable(msg.sender) {
tweetId = _tweetId;
tweetToken = _tweetToken;
routingContract = _routingContract;
tweetUserId = _tweetUserId;
deployerAddress = _deployerAddress;
configManager = ConfigManager(_configAddress);
inactivityThreshold = _inactivityThreshold * 1 hours;
lastBuyTimestamp = 0;
lastSellTimestamp = 0;
createdTimestamp = block.timestamp;
isGraduated = false;
}
function updateBalances(uint256 _newSUSD, uint256 _newTweetToken) external onlyRoutingContract {
virtualDollarReserve = _newSUSD;
tweetTokenReserve = _newTweetToken;
emit BalancesUpdated(virtualDollarReserve, tweetTokenReserve);
}
function getBalances() external view returns (uint256, uint256) {
return (virtualDollarReserve, tweetTokenReserve);
}
function getTier() external view returns (uint256) {
if (tweetTokenReserve >= GRADUATE_THRESHOLD) return 3; // Graduate
if (tweetTokenReserve >= VIRAL_THRESHOLD) return 2; // Viral
if (tweetTokenReserve >= FAMOUS_THRESHOLD) return 1; // Famous
return 0; // Start
}
function updateLastBuyTimestamp() external onlyRoutingContract {
lastBuyTimestamp = block.timestamp;
}
function updateLastSellTimestamp() external onlyRoutingContract {
lastSellTimestamp = block.timestamp;
}
function isJackpotEligible() external view returns (bool) {
// Pool is eligible if it's inactive (no buys for inactivityThreshold)
// or if it's in the Start tier
return (block.timestamp - lastBuyTimestamp >= inactivityThreshold) ||
(tweetTokenReserve < START_THRESHOLD);
}
function setGraduated() external onlyRoutingContract {
isGraduated = true;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
contract TweetToken is ERC20, ERC20Burnable {
// State variables
string public tweetId;
string public tweetUserId;
constructor(string memory _tweetId, string memory _tweetUserId) ERC20(string.concat("Tweet Token -", _tweetId), string.concat("TT-", _tweetId)) {
tweetId = _tweetId;
tweetUserId = _tweetUserId;
_mint(msg.sender, 1_000_000 * 10**18); // Initial supply of 1M tokens
}
}