wip
This commit is contained in:
JulesCrown
parent
ed2f71b9fd
commit
e62fb45ed5
7 changed files with 191 additions and 178 deletions
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@ -1,3 +1,3 @@
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@openzeppelin/=lib/openzeppelin-contracts/contracts/
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@uniswap-v3-core/=lib/v3-core/
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@uniswap-v3-core/=lib/uni-v3-lib/node_modules/@uniswap/v3-core/contracts/
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@aperture/uni-v3-lib/=lib/uni-v3-lib/src/
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@ -12,9 +12,9 @@ contract GoerliScript is Script {
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uint256 privateKey = vm.deriveKey(seedPhrase, 0);
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vm.startBroadcast(privateKey);
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Blood bloodX = new BloodX("bloodX", "bXXX");
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Stake stakeX = new StakeX(address(bloodX));
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blood.setStakingContract(address(stakeX));
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Harb harb = new Harb("Harberger Tax", "HARB");
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Stake stake = new Stake(address(harb));
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harb.setStakingPool(address(stake));
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vm.stopBroadcast();
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}
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@ -5,7 +5,7 @@ pragma solidity ^0.8.19;
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import { ERC20, IERC20, IERC20Metadata } from "@openzeppelin/token/ERC20/ERC20.sol";
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import { ERC20Permit, IERC20Permit } from "@openzeppelin/token/ERC20/extensions/ERC20Permit.sol";
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import { SafeCast } from "@openzeppelin/utils/math/SafeCast.sol";
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import { IStake } from "./interfaces/IStake.sol";
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import { TwabController } from "pt-v5-twab-controller/TwabController.sol";
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/**
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@ -23,7 +23,9 @@ contract Harb is ERC20, ERC20Permit {
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TwabController public immutable twabController;
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/// @notice Address of the LiquidityManager contract that mints and burns supply
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address public immutable liquidityManager;
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address public liquidityManager;
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address public stakingPool;
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/* ============ Errors ============ */
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@ -46,39 +48,38 @@ contract Harb is ERC20, ERC20Permit {
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constructor(
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string memory name_,
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string memory symbol_,
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TwabController twabController_,
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address liquidityManager_
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TwabController twabController_
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) ERC20(name_, symbol_) ERC20Permit(name_) {
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if (address(0) == address(twabController_)) revert ZeroAddressInConstructor();
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twabController = twabController_;
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}
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function setLiquidityManager(address liquidityManager_) external {
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// TODO: add trapdoor
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if (address(0) == liquidityManager_) revert ZeroAddressInConstructor();
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liquidityManager = liquidityManager_;
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}
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function setStakingPool(address stakingPool_) external {
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// TODO: add trapdoor
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if (address(0) == stakingPool_) revert ZeroAddressInConstructor();
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stakingPool = stakingPool_;
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}
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/* ============ External Functions ============ */
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/// @notice Allows the liquidityManager to mint tokens for itself
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/// @dev May be overridden to provide more granular control over minting
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/// @param _amount Amount of tokens to mint
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function mint(uint256 _amount)
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external
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virtual
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override
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onlyLiquidityManager
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{
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_mint(liquidityManager, _amount);
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function mint(uint256 _amount) external onlyLiquidityManager {
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_mintHarb(liquidityManager, _amount);
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}
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/// @notice Allows the liquidityManager to burn tokens from a its account
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/// @dev May be overridden to provide more granular control over burning
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/// @param _amount Amount of tokens to burn
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function burn(uint256 _amount)
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external
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virtual
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override
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onlyLiquidityManager
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{
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_burn(liquidityManager, _amount);
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function burn(uint256 _amount) external onlyLiquidityManager {
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_burnHarb(liquidityManager, _amount);
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}
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/* ============ Public ERC20 Overrides ============ */
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@ -102,21 +103,22 @@ contract Harb is ERC20, ERC20Permit {
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/**
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* @notice Mints tokens to `_receiver` and increases the total supply.
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* @dev Emits a {Transfer} event with `from` set to the zero address.
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* @dev `_receiver` cannot be the zero address.
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* @param _receiver Address that will receive the minted tokens
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* @param _amount Tokens to mint
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* @dev `receiver` cannot be the zero address.
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* @param receiver Address that will receive the minted tokens
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* @param amount Tokens to mint
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*/
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function _mint(address _receiver, uint256 _amount) internal virtual override {
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function _mintHarb(address receiver, uint256 amount) internal {
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// make sure staking pool grows proportional to economy
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uint256 stakingPoolBalance = stakingPool();
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uint256 dormantStake = IStakeX(stakingContract).dormantSupply();
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uint256 stakingPoolBalance = balanceOf(stakingPool);
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uint256 activeSupply = totalSupply - stakingPoolBalance;
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uint256 dormantStake = IStake(stakingPool).dormantSupply();
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if (stakingPoolBalance > 0) {
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uint256 newStake = stakingPoolBalance * amount / (activeSupply() + dormantStake);
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_mint(stakingContract, newStake);
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uint256 newStake = stakingPoolBalance * amount / (activeSupply + dormantStake);
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_mint(stakingPool, newStake);
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}
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twabController.mint(_receiver, SafeCast.toUint96(_amount));
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emit Transfer(address(0), _receiver, _amount);
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twabController.mint(receiver, SafeCast.toUint96(amount));
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emit Transfer(address(0), receiver, amount);
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}
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/**
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@ -127,7 +129,7 @@ contract Harb is ERC20, ERC20Permit {
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* @param _owner The owner of the tokens
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* @param _amount The amount of tokens to burn
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*/
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function _burn(address _owner, uint256 _amount) internal virtual override {
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function _burnHarb(address _owner, uint256 _amount) internal {
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// TODO
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twabController.burn(_owner, SafeCast.toUint96(_amount));
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emit Transfer(_owner, address(0), _amount);
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@ -3,12 +3,11 @@ pragma solidity ^0.8.20;
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import './lib/PositionKey.sol';
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import './lib/FixedPoint128.sol';
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import './lib/FixedPoint96.sol';
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import '@uniswap-v3-core/contracts/interfaces/IUniswapV3Pool.sol';
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import '@aperture/uni-v3-lib/TickMath.sol';
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import '@aperture/uni-v3-lib/LiquidityAmounts.sol';
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import '@aperture/uni-v3-lib/PoolAddress.sol';
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import '@aperture/uni-v3-lib/CallbackValidation.sol';
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import '@uniswap-v3-core/interfaces/IUniswapV3Pool.sol';
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import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
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/**
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@ -259,23 +258,23 @@ contract LiquidityManager {
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}
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function compareTokenToEthBalance(uint256 ethAmountInPosition, uint256 tokenAmountInPosition) external view returns (bool hasMoreToken) {
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// Fetch the current sqrtPriceX96 from the pool
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(uint160 sqrtPriceX96,,,) = uniswapV3Pool.slot0();
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// function compareTokenToEthBalance(uint256 ethAmountInPosition, uint256 tokenAmountInPosition) external view returns (bool hasMoreToken) {
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// // Fetch the current sqrtPriceX96 from the pool
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// (uint160 sqrtPriceX96,,,) = uniswapV3Pool.slot0();
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// Convert sqrtPriceX96 to a conventional price format
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// Note: The price is calculated as (sqrtPriceX96^2 / 2^192), simplified here as (price / 2^96) for the sake of example
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uint256 price = uint256(sqrtPriceX96) * uint256(sqrtPriceX96) / (1 << 96);
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// // Convert sqrtPriceX96 to a conventional price format
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// // Note: The price is calculated as (sqrtPriceX96^2 / 2^192), simplified here as (price / 2^96) for the sake of example
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// uint256 price = uint256(sqrtPriceX96) * uint256(sqrtPriceX96) / (1 << 96);
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// Calculate the equivalent token amount for the ETH in the position at the current price
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// Assuming price is expressed as the amount of token per ETH
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uint256 equivalentTokenAmountForEth = ethAmountInPosition * price;
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// // Calculate the equivalent token amount for the ETH in the position at the current price
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// // Assuming price is expressed as the amount of token per ETH
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// uint256 equivalentTokenAmountForEth = ethAmountInPosition * price;
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// Compare to the actual token amount in the position
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hasMoreToken = tokenAmountInPosition > equivalentTokenAmountForEth;
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// // Compare to the actual token amount in the position
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// hasMoreToken = tokenAmountInPosition > equivalentTokenAmountForEth;
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return hasMoreToken;
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}
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// return hasMoreToken;
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// }
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////////
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// - check if tick in range, otherwise revert
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@ -289,56 +288,56 @@ contract LiquidityManager {
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// - withdraw
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// - burn tokens
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function rebalance(address token, int24 tickLower, int24 tickUpper) external {
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bool ETH_TOKEN_ZERO = _weth < token;
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// function rebalance(address token, int24 tickLower, int24 tickUpper) external {
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// bool ETH_TOKEN_ZERO = WETH9 < token;
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PoolKey memory poolKey = PoolAddress.getPoolKey(params.token0, params.token1, FEE);
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IUniswapV3Pool pool = IUniswapV3Pool(PoolAddress.computeAddress(factory, poolKey));
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// PoolKey memory poolKey = PoolAddress.getPoolKey(params.token0, params.token1, FEE);
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// IUniswapV3Pool pool = IUniswapV3Pool(PoolAddress.computeAddress(factory, poolKey));
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// Fetch the current tick from the Uniswap V3 pool
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(, int24 currentTick, , , , , ) = pool.slot0();
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// // Fetch the current tick from the Uniswap V3 pool
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// (, int24 currentTick, , , , , ) = pool.slot0();
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// Check if current tick is within the specified range
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require(currentTick >= tickLower && currentTick <= tickUpper, "Current tick out of range");
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// // Check if current tick is within the specified range
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// require(currentTick >= tickLower && currentTick <= tickUpper, "Current tick out of range");
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// load position
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TokenPosition memory position = _positions[posKey(token, tickLower, tickUpper)];
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// // load position
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// TokenPosition memory position = _positions[posKey(token, tickLower, tickUpper)];
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// take the position out
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uint256 (amount0, amount1) = pool.burn(tickLower, tickUpper, position.liquidity);
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// TODO: this position might have earned fees, update them here
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// // take the position out
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// uint256 (amount0, amount1) = pool.burn(tickLower, tickUpper, position.liquidity);
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// // TODO: this position might have earned fees, update them here
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// calculate liquidity
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uint128 liquidity;
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if (ETH_TOKEN_ZERO) {
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// extend/contract the range up
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uint160 sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(tickLower);
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uint160 sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(currentTick + (currentTick - tickLower));
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liquidity = LiquidityAmounts.getLiquidityForAmount0(
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sqrtRatioAX96, sqrtRatioBX96, amount0
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)
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// calculate amount for new liquidity
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uint256 newAmount1 = LiquidityAmounts.getAmount1ForLiquidity(
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sqrtRatioAX96, sqrtRatioBX96, liquidity
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)
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if (newAmount1 > amount1) {
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IERC20(token).mint(address(this), newAmount1 - amount1 + 1);
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} else {
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IERC20(token).burn(address(this), amount1 - newAmount1 + 1);
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}
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} else {
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// extend/contract the range down
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uint160 sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(tickUpper);
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uint160 sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(currentTick - (tickUpper - currentTick));
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liquidity = LiquidityAmounts.getLiquidityForAmount1(
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sqrtRatioAX96, sqrtRatioBX96, ethAmountToProvide
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);
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}
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}
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// // calculate liquidity
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// uint128 liquidity;
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// if (ETH_TOKEN_ZERO) {
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// // extend/contract the range up
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// uint160 sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(tickLower);
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// uint160 sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(currentTick + (currentTick - tickLower));
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// liquidity = LiquidityAmounts.getLiquidityForAmount0(
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// sqrtRatioAX96, sqrtRatioBX96, amount0
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// );
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// // calculate amount for new liquidity
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// uint256 newAmount1 = LiquidityAmounts.getAmount1ForLiquidity(
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// sqrtRatioAX96, sqrtRatioBX96, liquidity
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// );
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// if (newAmount1 > amount1) {
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// IERC20(token).mint(address(this), newAmount1 - amount1 + 1);
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// } else {
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// IERC20(token).burn(address(this), amount1 - newAmount1 + 1);
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// }
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// } else {
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// // extend/contract the range down
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// uint160 sqrtRatioAX96 = TickMath.getSqrtRatioAtTick(tickUpper);
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// uint160 sqrtRatioBX96 = TickMath.getSqrtRatioAtTick(currentTick - (tickUpper - currentTick));
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// liquidity = LiquidityAmounts.getLiquidityForAmount1(
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// sqrtRatioAX96, sqrtRatioBX96, ethAmountToProvide
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// );
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// }
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// }
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}
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@ -2,6 +2,8 @@
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pragma solidity ^0.8.13;
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import { IERC20 } from "@openzeppelin/token/ERC20/ERC20.sol";
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import { SafeERC20 } from "@openzeppelin/token/ERC20/utils/SafeERC20.sol";
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import "./interfaces/IStake.sol";
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import "./interfaces/IHarb.sol";
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@ -18,7 +20,7 @@ contract Stake is IStake {
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error TaxTooLow(address receiver, uint64 taxRateWanted, uint64 taxRateMet, uint256 positionId);
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error SharesTooLow(address receiver, uint256 assets, uint256 sharesWanted, uint256 minStake);
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error NoPermission(address requester, address owner);
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error PossitionNotFound
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error PositionNotFound();
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struct StakingPosition {
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@ -51,15 +53,27 @@ contract Stake is IStake {
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return totalSupply * (100 - MAX_STAKE) / 100;
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}
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function authorizedStake() private pure returns(uint256) {
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return totalSupply * MAX_STAKE / 100;
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}
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function assetsToShares(uint256 assets) private view returns (uint256) {
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return assets * totalSupply / IERC20(_tokenContract).totalSupply();
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return assets * totalSupply / IERC20(tokenContract).totalSupply();
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}
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function sharesToAssets(uint256 shares) private view returns (uint256) {
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return shares * IERC20(_tokenContract).totalSupply() / totalSupply;
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return shares * IERC20(tokenContract).totalSupply() / totalSupply;
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}
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function snatch(uint256 assets, address receiver, uint64 taxRate, uint256[] positions) public returns(uint256) {
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/**
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* TODO: deal with metatransactions: While these are generally available
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* via msg.sender and msg.data, they should not be accessed in such a direct
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* manner, since when dealing with meta-transactions the account sending and
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* paying for execution may not be the actual sender (as far as an application
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* is concerned).
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*/
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function snatch(uint256 assets, address receiver, uint64 taxRate, uint256[] calldata positionsToSnatch) public returns(uint256) {
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// check lower boundary
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uint256 sharesWanted = assetsToShares(assets);
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@ -67,12 +81,12 @@ contract Stake is IStake {
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revert SharesTooLow(receiver, assets, sharesWanted, minStake);
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}
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// run through all suggested positions
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for (uint i = 0; i < positions.length; i++) {
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StakingPosition pos = positions[i];
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// run through all suggested positions to snatch
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for (uint i = 0; i < positionsToSnatch.length; i++) {
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StakingPosition storage pos = positions[positionsToSnatch[i]];
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if (pos.creationTime == 0) {
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//TODO:
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revert PossitionNotFound();
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revert PositionNotFound();
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}
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// check that tax lower
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if (taxRate <= pos.perSecondTaxRate) {
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@ -84,17 +98,17 @@ contract Stake is IStake {
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}
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// now try to make a new position in the free space and hope it is big enough
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uint256 availableStake = authorizedStake - outstandingStake;
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uint256 availableStake = authorizedStake() - outstandingStake;
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if (sharesWanted > availableStake) {
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revert ExceededAvailableStake(receiver, sharesWanted, availableStake);
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}
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// transfer
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SafeERC20.safeTransferFrom(tokenContract, _msgSender(), address(this), assets);
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SafeERC20.safeTransferFrom(tokenContract, msg.sender, address(this), assets);
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// mint
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StakingPosition storage sp = c.funders[lastTokenId++];
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sp.share = shares;
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StakingPosition storage sp = positions[lastTokenId++];
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sp.share = sharesWanted;
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sp.owner = receiver;
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sp.lastTaxTime = now;
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sp.creationTime = now;
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@ -107,21 +121,18 @@ contract Stake is IStake {
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function exitPosition(uint256 positionID) public {
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StakingPosition pos = positions[positionID];
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if(pos.owner != _msgSender()) {
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NoPermission(_msgSender(), pos.owner);
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}
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// to prevent snatch-and-exit grieving attack
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if(now - pos.creationTime < 60 * 60 * 24 * 3) {
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ExitTooEarly(pos.owner, positionID, pos.creationTime);
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StakingPosition storage pos = positions[positionID];
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if(pos.owner != msg.sender) {
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NoPermission(msg.sender, pos.owner);
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}
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// to prevent snatch-and-exit grieving attack, pay TAX_FLOOR_DURATION
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_payTax(pos, TAX_FLOOR_DURATION);
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_exitPosition(pos);
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}
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// TODO: what if someone calls payTax and exitPosition in the same transaction?
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function payTax(uint256 positionID) public {
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StakingPosition pos = positions[positionID];
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StakingPosition storage pos = positions[positionID];
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_payTax(pos, 0);
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}
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@ -139,12 +150,13 @@ contract Stake is IStake {
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SafeERC20.safeTransfer(tokenContract, taxPool, taxDue);
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if (assetsBefore - taxDue > 0) {
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// if something left over, update storage
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sp.shares = assetsToShares(assetsBefore - taxDue);
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sp.lastTaxTime = now;
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pos.shares = assetsToShares(assetsBefore - taxDue);
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pos.lastTaxTime = now;
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} else {
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// if nothing left over, liquidate position
|
||||
outstandingStake -= sp.share;
|
||||
delete sp;
|
||||
// TODO: emit event
|
||||
outstandingStake -= pos.share;
|
||||
delete pos;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,65 +0,0 @@
|
|||
// SPDX-License-Identifier: GPL-3.0-or-later
|
||||
pragma solidity ^0.8.13;
|
||||
|
||||
import "forge-std/Test.sol";
|
||||
import "forge-std/console.sol";
|
||||
import "../src/BloodX.sol";
|
||||
import "../src/StakeX.sol";
|
||||
|
||||
contract BloodXTest is Test {
|
||||
BloodX public bloodX;
|
||||
StakeX public stakeX;
|
||||
uint256 constant MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
|
||||
|
||||
function setUp() public {
|
||||
bloodX = new BloodX("name", "SYM");
|
||||
stakeX = new StakeX("nameStake", "SYS", address(bloodX));
|
||||
bloodX.setStakingContract(address(stakeX));
|
||||
}
|
||||
|
||||
function test_MintStakeUnstake(address account, uint256 amount) public {
|
||||
vm.assume(amount > 1);
|
||||
vm.assume(amount < MAX_INT / 100000 ether);
|
||||
vm.assume(account != address(0));
|
||||
vm.assume(account != address(bloodX));
|
||||
vm.assume(account != address(stakeX));
|
||||
|
||||
// test mint
|
||||
uint256 totalSupplyBefore = bloodX.totalSupply();
|
||||
uint256 balanceBefore = bloodX.balanceOf(account);
|
||||
bloodX.purchase(account, amount);
|
||||
uint256 totalAfter = bloodX.totalSupply();
|
||||
assertEq(totalAfter, totalSupplyBefore + amount, "total supply should match");
|
||||
assertEq(bloodX.balanceOf(account), balanceBefore + amount, "balance should match");
|
||||
|
||||
// test stake
|
||||
uint256 newStake = amount / 2 * 100000 ether / totalAfter;
|
||||
{
|
||||
uint256 outstandingBefore = stakeX.totalSupply();
|
||||
uint256 stakeBalanceBefore = stakeX.balanceOf(account);
|
||||
vm.prank(account);
|
||||
bloodX.stake(account, amount / 2);
|
||||
assertEq(bloodX.totalSupply(), totalSupplyBefore + (amount - (amount / 2)), "total supply should match after stake");
|
||||
assertEq(bloodX.balanceOf(account), balanceBefore + (amount - (amount / 2)), "balance should match after stake");
|
||||
assertEq(outstandingBefore + newStake, stakeX.totalSupply(), "outstanding supply should match");
|
||||
assertEq(stakeBalanceBefore + newStake, stakeX.balanceOf(account), "balance of stake account should match");
|
||||
}
|
||||
|
||||
// test unstake
|
||||
{
|
||||
(uint256 totalBefore, uint256 leftBefore,) = stakeX.getUnstakeSlot(account);
|
||||
vm.prank(account);
|
||||
stakeX.unstake(account, newStake / 2);
|
||||
uint256 timeBefore = block.timestamp;
|
||||
vm.warp(timeBefore + 60 * 60 * 36);
|
||||
stakeX.unstakeTick(account);
|
||||
(uint256 total, uint256 left, uint256 start) = stakeX.getUnstakeSlot(account);
|
||||
assertEq(total, totalBefore + (newStake / 2), "total unstake should match");
|
||||
assertApproxEqAbs(left, leftBefore + (newStake / 4), 1);
|
||||
assertEq(start, timeBefore, "time unstake should match");
|
||||
vm.warp(timeBefore + 60 * 60 * 72);
|
||||
stakeX.unstakeTick(account);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
65
onchain/test/Harb.t.sol
Normal file
65
onchain/test/Harb.t.sol
Normal file
|
|
@ -0,0 +1,65 @@
|
|||
// SPDX-License-Identifier: GPL-3.0-or-later
|
||||
pragma solidity ^0.8.13;
|
||||
|
||||
import "forge-std/Test.sol";
|
||||
import "forge-std/console.sol";
|
||||
import "../src/Harb.sol";
|
||||
import "../src/Stake.sol";
|
||||
|
||||
contract BloodXTest is Test {
|
||||
Harb public harb;
|
||||
Stake public stake;
|
||||
uint256 constant MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
|
||||
|
||||
function setUp() public {
|
||||
harb = new Harb("name", "SYM");
|
||||
stake = new Stake(address(harb));
|
||||
harb.setStakingPool(address(stake));
|
||||
}
|
||||
|
||||
function test_MintStakeUnstake(address account, uint256 amount) public {
|
||||
vm.assume(amount > 1);
|
||||
vm.assume(amount < MAX_INT / 100000 ether);
|
||||
vm.assume(account != address(0));
|
||||
vm.assume(account != address(harb));
|
||||
vm.assume(account != address(stake));
|
||||
|
||||
// test mint
|
||||
uint256 totalSupplyBefore = harb.totalSupply();
|
||||
uint256 balanceBefore = harb.balanceOf(account);
|
||||
harb.purchase(account, amount);
|
||||
uint256 totalAfter = harb.totalSupply();
|
||||
assertEq(totalAfter, totalSupplyBefore + amount, "total supply should match");
|
||||
assertEq(harb.balanceOf(account), balanceBefore + amount, "balance should match");
|
||||
|
||||
// test stake
|
||||
uint256 newStake = amount / 2 * 100000 ether / totalAfter;
|
||||
{
|
||||
uint256 outstandingBefore = stake.totalSupply();
|
||||
uint256 stakeBalanceBefore = stake.balanceOf(account);
|
||||
vm.prank(account);
|
||||
harb.stake(account, amount / 2);
|
||||
assertEq(harb.totalSupply(), totalSupplyBefore + (amount - (amount / 2)), "total supply should match after stake");
|
||||
assertEq(harb.balanceOf(account), balanceBefore + (amount - (amount / 2)), "balance should match after stake");
|
||||
assertEq(outstandingBefore + newStake, stake.totalSupply(), "outstanding supply should match");
|
||||
assertEq(stakeBalanceBefore + newStake, stake.balanceOf(account), "balance of stake account should match");
|
||||
}
|
||||
|
||||
// test unstake
|
||||
{
|
||||
(uint256 totalBefore, uint256 leftBefore,) = stake.getUnstakeSlot(account);
|
||||
vm.prank(account);
|
||||
stake.unstake(account, newStake / 2);
|
||||
uint256 timeBefore = block.timestamp;
|
||||
vm.warp(timeBefore + 60 * 60 * 36);
|
||||
stake.unstakeTick(account);
|
||||
(uint256 total, uint256 left, uint256 start) = stake.getUnstakeSlot(account);
|
||||
assertEq(total, totalBefore + (newStake / 2), "total unstake should match");
|
||||
assertApproxEqAbs(left, leftBefore + (newStake / 4), 1);
|
||||
assertEq(start, timeBefore, "time unstake should match");
|
||||
vm.warp(timeBefore + 60 * 60 * 72);
|
||||
stake.unstakeTick(account);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue