573 lines
18 KiB
Solidity
573 lines
18 KiB
Solidity
/*
|
|
// SPDX-License-Identifier: AGPL-3.0-or-later
|
|
pragma solidity ^0.8.13;
|
|
|
|
import {IERC20, ISwapAdapter} from "src/interfaces/ISwapAdapter.sol";
|
|
|
|
/// @dev Integral submitted deadline of 3600 seconds (1 hour) to Paraswap, but it is not strictly necessary to be this long
|
|
/// as the contract allows less durations, we use 1000 seconds (15 minutes) as a deadline
|
|
uint256 constant SWAP_DEADLINE_SEC = 1000;
|
|
|
|
/// @title Integral Swap Adapter
|
|
contract IntegralSwapAdapter is ISwapAdapter {
|
|
ITwapRelayer immutable relayer;
|
|
|
|
constructor(address relayer_) {
|
|
relayer = ITwapRelayer(relayer_);
|
|
}
|
|
|
|
/// @inheritdoc ISwapAdapter
|
|
/// @dev Integral always relies on a single pool linked to the factory to map two pairs, and does not use routing
|
|
/// we can then use getPriceByTokenAddresses() instead of getPriceByPairAddresses()
|
|
/// as they both return the same value and the first also handles the order of tokens inside.
|
|
/// @dev Since the price of a token is determined externally by Integral Oracles and not by reserves
|
|
/// it will always be the same (pre and post trade) and independent of the amounts swapped,
|
|
/// but we still return an array of length=specifiedAmounts.length with same values to make sure the return value is the expected from caller.
|
|
function price(
|
|
bytes32 _poolId,
|
|
IERC20 _sellToken,
|
|
IERC20 _buyToken,
|
|
uint256[] memory _specifiedAmounts
|
|
) external view override returns (Fraction[] memory _prices) {
|
|
_prices = new Fraction[](_specifiedAmounts.length);
|
|
ITwapPair pair = ITwapPair(address(bytes20(_poolId)));
|
|
|
|
bool inverted = false;
|
|
if (address(_sellToken) == pair.token1()) {
|
|
inverted = true;
|
|
}
|
|
uint256 price = relayer.getPriceByTokenAddresses(address(_sellToken), address(_buyToken));
|
|
|
|
for (uint256 i = 0; i < _specifiedAmounts.length; i++) {
|
|
_prices[i] = price;
|
|
}
|
|
}
|
|
|
|
/// @inheritdoc ISwapAdapter
|
|
function swap(
|
|
bytes32 poolId,
|
|
IERC20 sellToken,
|
|
IERC20 buyToken,
|
|
OrderSide side,
|
|
uint256 specifiedAmount
|
|
) external returns (Trade memory trade) {
|
|
if (specifiedAmount == 0) {
|
|
return trade;
|
|
}
|
|
|
|
uint256 gasBefore = gasleft();
|
|
if (side == OrderSide.Sell) { // sell
|
|
trade.calculatedAmount =
|
|
sell(address(sellToken), address(buyToken), specifiedAmount);
|
|
} else { // buy
|
|
trade.calculatedAmount =
|
|
buy(address(sellToken), address(buyToken), specifiedAmount);
|
|
}
|
|
trade.gasUsed = gasBefore - gasleft();
|
|
trade.price = relayer.getPriceByTokenAddresses(address(_sellToken), address(_buyToken));
|
|
}
|
|
|
|
/// @inheritdoc ISwapAdapter
|
|
function getLimits(bytes32 poolId, IERC20 sellToken, IERC20 buyToken)
|
|
external
|
|
view
|
|
override
|
|
returns (uint256[] memory limits)
|
|
{
|
|
return _getLimits(poollId, sellToken, buyToken);
|
|
}
|
|
|
|
/// @inheritdoc ISwapAdapter
|
|
function getCapabilities(bytes32 poolId, IERC20 sellToken, IERC20 buyToken)
|
|
external
|
|
pure
|
|
override
|
|
returns (Capability[] memory capabilities)
|
|
{
|
|
capabilities = new Capability[](3);
|
|
capabilities[0] = Capability.SellOrder;
|
|
capabilities[1] = Capability.BuyOrder;
|
|
capabilities[2] = Capability.PriceFunction;
|
|
}
|
|
|
|
/// @inheritdoc ISwapAdapter
|
|
function getTokens(bytes32 poolId)
|
|
external
|
|
view
|
|
override
|
|
returns (IERC20[] memory tokens)
|
|
{
|
|
tokens = new IERC20[](2);
|
|
ITwapPair pair = ITwapPair(address(bytes20(poolId)));
|
|
tokens[0] = IERC20(pair.token0());
|
|
tokens[1] = IERC20(pair.token1());
|
|
}
|
|
|
|
/// @inheritdoc ISwapAdapter
|
|
function getPoolIds(uint256 offset, uint256 limit)
|
|
external
|
|
view
|
|
override
|
|
returns (bytes32[] memory ids)
|
|
{
|
|
ITwapFactory factory = ITwapFactory(relayer.factory());
|
|
uint256 endIdx = offset + limit;
|
|
if (endIdx > factory.allPairsLength()) {
|
|
endIdx = factory.allPairsLength();
|
|
}
|
|
ids = new bytes32[](endIdx - offset);
|
|
for (uint256 i = 0; i < ids.length; i++) {
|
|
ids[i] = bytes20(factory.allPairs(offset + i));
|
|
}
|
|
}
|
|
|
|
/// @notice Executes a sell order on a given pool.
|
|
/// @param sellToken The address of the token being sold.
|
|
/// @param buyToken The address of the token being bought.
|
|
/// @param amount The amount to be traded.
|
|
/// @return uint256 The amount of tokens received.
|
|
function sell(
|
|
address sellToken,
|
|
address buyToken,
|
|
uint256 amount
|
|
) internal returns (uint256) {
|
|
address swapper = msg.sender;
|
|
|
|
(uint256 limitMinSellToken, , uint256 limitMaxSellToken) = _getLimits(_poolId, _sellToken, _buyToken);
|
|
if(amount < limitMinSellToken || amount > limitMaxSellToken) {
|
|
revert Unavailable("specifiedAmount is out of limits range");
|
|
}
|
|
|
|
uint256 amountOut = relayer.quoteSell(sellToken, buyToken, amount);
|
|
if (amountOut == 0) {
|
|
revert Unavailable("AmountOut is zero!");
|
|
}
|
|
|
|
IERC20(sellToken).transferFrom(msg.sender, address(this), amount);
|
|
IERC20(sellToken).approve(address(relayer), amount);
|
|
|
|
relayer.sell(ITwapRelayer.SellParams({
|
|
tokenIn: sellToken,
|
|
tokenOut: buyToken,
|
|
wrapUnwrap: false,
|
|
to: swapper,
|
|
submitDeadline: uint32(block.timestamp + SWAP_DEADLINE_SEC),
|
|
amountIn: amount,
|
|
amountOutMin: amountOut
|
|
}));
|
|
|
|
return amountOut;
|
|
}
|
|
|
|
/// @notice Executes a buy order on a given pool.
|
|
/// @param sellToken The address of the token being sold.
|
|
/// @param buyToken The address of the token being bought.
|
|
/// @param amountBought The amount of buyToken tokens to buy.
|
|
/// @return uint256 The amount of tokens received.
|
|
function buy(
|
|
address sellToken,
|
|
address buyToken,
|
|
uint256 amountBought
|
|
) internal returns (uint256) {
|
|
address swapper = msg.sender;
|
|
|
|
(, uint256 limitMinBuyToken, , uint256 limitMaxBuyToken) = _getLimits(_poolId, _sellToken, _buyToken);
|
|
if(amountBought < limitMinBuyToken || amountBought > limitMaxBuyToken) {
|
|
revert Unavailable("specifiedAmount is out of limits range");
|
|
}
|
|
|
|
uint256 amountIn = relayer.quoteBuy(sellToken, buyToken, amountBought);
|
|
if (amountIn == 0) {
|
|
revert Unavailable("AmountIn is zero!");
|
|
}
|
|
|
|
IERC20(sellToken).transferFrom(msg.sender, address(this), amountIn);
|
|
IERC20(sellToken).approve(address(relayer), amountIn);
|
|
|
|
relayer.buy(ITwapRelayer.BuyParams({
|
|
tokenIn: sellToken,
|
|
tokenOut: buyToken,
|
|
wrapUnwrap: false,
|
|
to: swapper,
|
|
submitDeadline: uint32(block.timestamp + SWAP_DEADLINE_SEC),
|
|
amountInMax: amountIn,
|
|
amountOut: amountBought
|
|
}));
|
|
|
|
return amountIn;
|
|
}
|
|
|
|
/// @notice Internal counterpart of _getLimits
|
|
/// @dev As Integral also has minimum limits of sell/buy amounts, we return them too.
|
|
/// @return limits[4]: [0] = limitMax of sellToken, [1] = limitMax of buyToken, [2] = limitMin of sellToken, [3] = limitMin of buyToken
|
|
function _getLimits(bytes32 poolId, IERC20 sellToken, IERC20 buyToken) internal view returns (uint256[] memory limits) {
|
|
(
|
|
uint256 price_,
|
|
uint256 fee,
|
|
uint256 limitMin0,
|
|
uint256 limitMax0,
|
|
uint256 limitMin1,
|
|
uint256 limitMax1
|
|
) = relayer.getPoolState(address(sellToken), address(buyToken));
|
|
|
|
limits = new uint256[](4);
|
|
limits[0] = limitMax0;
|
|
limits[1] = limitMax1;
|
|
limits[2] = limitMin0;
|
|
limits[3] = limitMin1;
|
|
}
|
|
}
|
|
|
|
interface ITwapRelayer {
|
|
event OwnerSet(address owner);
|
|
event RebalancerSet(address rebalancer);
|
|
event DelaySet(address delay);
|
|
event PairEnabledSet(address pair, bool enabled);
|
|
event SwapFeeSet(address pair, uint256 fee);
|
|
event TwapIntervalSet(address pair, uint32 interval);
|
|
event EthTransferGasCostSet(uint256 gasCost);
|
|
event ExecutionGasLimitSet(uint256 limit);
|
|
event TokenLimitMinSet(address token, uint256 limit);
|
|
event TokenLimitMaxMultiplierSet(address token, uint256 limit);
|
|
event ToleranceSet(address pair, uint16 tolerance);
|
|
event Approve(address token, address to, uint256 amount);
|
|
event Withdraw(address token, address to, uint256 amount);
|
|
event Sell(
|
|
address indexed sender,
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint256 amountIn,
|
|
uint256 amountOut,
|
|
uint256 amountOutMin,
|
|
bool wrapUnwrap,
|
|
uint256 fee,
|
|
address indexed to,
|
|
address orderContract,
|
|
uint256 indexed orderId
|
|
);
|
|
event Buy(
|
|
address indexed sender,
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint256 amountIn,
|
|
uint256 amountInMax,
|
|
uint256 amountOut,
|
|
bool wrapUnwrap,
|
|
uint256 fee,
|
|
address indexed to,
|
|
address orderContract,
|
|
uint256 indexed orderId
|
|
);
|
|
event RebalanceSellWithDelay(
|
|
address indexed sender,
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint256 amountIn,
|
|
uint256 indexed delayOrderId
|
|
);
|
|
event RebalanceSellWithOneInch(address indexed oneInchRouter, uint256 gas, bytes data);
|
|
event OneInchRouterWhitelisted(address indexed oneInchRouter, bool whitelisted);
|
|
|
|
function factory() external pure returns (address);
|
|
|
|
function delay() external pure returns (address);
|
|
|
|
function weth() external pure returns (address);
|
|
|
|
function owner() external view returns (address);
|
|
|
|
function rebalancer() external view returns (address);
|
|
|
|
function isOneInchRouterWhitelisted(address oneInchRouter) external view returns (bool);
|
|
|
|
function setOwner(address _owner) external;
|
|
|
|
function swapFee(address pair) external view returns (uint256);
|
|
|
|
function setSwapFee(address pair, uint256 fee) external;
|
|
|
|
function twapInterval(address pair) external pure returns (uint32);
|
|
|
|
function isPairEnabled(address pair) external view returns (bool);
|
|
|
|
function setPairEnabled(address pair, bool enabled) external;
|
|
|
|
function ethTransferGasCost() external pure returns (uint256);
|
|
|
|
function executionGasLimit() external pure returns (uint256);
|
|
|
|
function tokenLimitMin(address token) external pure returns (uint256);
|
|
|
|
function tokenLimitMaxMultiplier(address token) external pure returns (uint256);
|
|
|
|
function tolerance(address pair) external pure returns (uint16);
|
|
|
|
function setRebalancer(address _rebalancer) external;
|
|
|
|
function whitelistOneInchRouter(address oneInchRouter, bool whitelisted) external;
|
|
|
|
function getTolerance(address pair) external pure returns (uint16);
|
|
|
|
function getTokenLimitMin(address token) external pure returns (uint256);
|
|
|
|
function getTokenLimitMaxMultiplier(address token) external pure returns (uint256);
|
|
|
|
function getTwapInterval(address pair) external pure returns (uint32);
|
|
|
|
struct SellParams {
|
|
address tokenIn;
|
|
address tokenOut;
|
|
uint256 amountIn;
|
|
uint256 amountOutMin;
|
|
bool wrapUnwrap;
|
|
address to;
|
|
uint32 submitDeadline;
|
|
}
|
|
|
|
function sell(SellParams memory sellParams) external payable returns (uint256 orderId);
|
|
|
|
struct BuyParams {
|
|
address tokenIn;
|
|
address tokenOut;
|
|
uint256 amountInMax;
|
|
uint256 amountOut;
|
|
bool wrapUnwrap;
|
|
address to;
|
|
uint32 submitDeadline;
|
|
}
|
|
|
|
function buy(BuyParams memory buyParams) external payable returns (uint256 orderId);
|
|
|
|
function getPriceByPairAddress(address pair, bool inverted)
|
|
external
|
|
view
|
|
returns (
|
|
uint8 xDecimals,
|
|
uint8 yDecimals,
|
|
uint256 price
|
|
);
|
|
|
|
function getPriceByTokenAddresses(address tokenIn, address tokenOut) external view returns (uint256 price);
|
|
|
|
function getPoolState(address token0, address token1)
|
|
external
|
|
view
|
|
returns (
|
|
uint256 price,
|
|
uint256 fee,
|
|
uint256 limitMin0,
|
|
uint256 limitMax0,
|
|
uint256 limitMin1,
|
|
uint256 limitMax1
|
|
);
|
|
|
|
function quoteSell(
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint256 amountIn
|
|
) external view returns (uint256 amountOut);
|
|
|
|
function quoteBuy(
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint256 amountOut
|
|
) external view returns (uint256 amountIn);
|
|
|
|
function approve(
|
|
address token,
|
|
uint256 amount,
|
|
address to
|
|
) external;
|
|
|
|
function withdraw(
|
|
address token,
|
|
uint256 amount,
|
|
address to
|
|
) external;
|
|
|
|
function rebalanceSellWithDelay(
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint256 amountIn
|
|
) external;
|
|
|
|
function rebalanceSellWithOneInch(
|
|
address tokenIn,
|
|
uint256 amountIn,
|
|
address oneInchRouter,
|
|
uint256 _gas,
|
|
bytes calldata data
|
|
) external;
|
|
}
|
|
|
|
interface ITwapFactory {
|
|
event PairCreated(address indexed token0, address indexed token1, address pair, uint256);
|
|
event OwnerSet(address owner);
|
|
|
|
function owner() external view returns (address);
|
|
|
|
function getPair(address tokenA, address tokenB) external view returns (address pair);
|
|
|
|
function allPairs(uint256) external view returns (address pair);
|
|
|
|
function allPairsLength() external view returns (uint256);
|
|
|
|
function createPair(
|
|
address tokenA,
|
|
address tokenB,
|
|
address oracle,
|
|
address trader
|
|
) external returns (address pair);
|
|
|
|
function setOwner(address) external;
|
|
|
|
function setMintFee(
|
|
address tokenA,
|
|
address tokenB,
|
|
uint256 fee
|
|
) external;
|
|
|
|
function setBurnFee(
|
|
address tokenA,
|
|
address tokenB,
|
|
uint256 fee
|
|
) external;
|
|
|
|
function setSwapFee(
|
|
address tokenA,
|
|
address tokenB,
|
|
uint256 fee
|
|
) external;
|
|
|
|
function setOracle(
|
|
address tokenA,
|
|
address tokenB,
|
|
address oracle
|
|
) external;
|
|
|
|
function setTrader(
|
|
address tokenA,
|
|
address tokenB,
|
|
address trader
|
|
) external;
|
|
|
|
function collect(
|
|
address tokenA,
|
|
address tokenB,
|
|
address to
|
|
) external;
|
|
|
|
function withdraw(
|
|
address tokenA,
|
|
address tokenB,
|
|
uint256 amount,
|
|
address to
|
|
) external;
|
|
}
|
|
|
|
interface ITwapERC20 is IERC20 {
|
|
function PERMIT_TYPEHASH() external pure returns (bytes32);
|
|
|
|
function nonces(address owner) external view returns (uint256);
|
|
|
|
function permit(
|
|
address owner,
|
|
address spender,
|
|
uint256 value,
|
|
uint256 deadline,
|
|
uint8 v,
|
|
bytes32 r,
|
|
bytes32 s
|
|
) external;
|
|
|
|
function increaseAllowance(address spender, uint256 addedValue) external returns (bool);
|
|
|
|
function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);
|
|
}
|
|
|
|
interface IReserves {
|
|
function getReserves() external view returns (uint112 reserve0, uint112 reserve1);
|
|
|
|
function getFees() external view returns (uint256 fee0, uint256 fee1);
|
|
}
|
|
|
|
interface ITwapPair is ITwapERC20, IReserves {
|
|
event Mint(address indexed sender, uint256 amount0In, uint256 amount1In, uint256 liquidityOut, address indexed to);
|
|
event Burn(address indexed sender, uint256 amount0Out, uint256 amount1Out, uint256 liquidityIn, address indexed to);
|
|
event Swap(
|
|
address indexed sender,
|
|
uint256 amount0In,
|
|
uint256 amount1In,
|
|
uint256 amount0Out,
|
|
uint256 amount1Out,
|
|
address indexed to
|
|
);
|
|
event SetMintFee(uint256 fee);
|
|
event SetBurnFee(uint256 fee);
|
|
event SetSwapFee(uint256 fee);
|
|
event SetOracle(address account);
|
|
event SetTrader(address trader);
|
|
|
|
function MINIMUM_LIQUIDITY() external pure returns (uint256);
|
|
|
|
function factory() external view returns (address);
|
|
|
|
function token0() external view returns (address);
|
|
|
|
function token1() external view returns (address);
|
|
|
|
function oracle() external view returns (address);
|
|
|
|
function trader() external view returns (address);
|
|
|
|
function mintFee() external view returns (uint256);
|
|
|
|
function setMintFee(uint256 fee) external;
|
|
|
|
function mint(address to) external returns (uint256 liquidity);
|
|
|
|
function burnFee() external view returns (uint256);
|
|
|
|
function setBurnFee(uint256 fee) external;
|
|
|
|
function burn(address to) external returns (uint256 amount0, uint256 amount1);
|
|
|
|
function swapFee() external view returns (uint256);
|
|
|
|
function setSwapFee(uint256 fee) external;
|
|
|
|
function setOracle(address account) external;
|
|
|
|
function setTrader(address account) external;
|
|
|
|
function collect(address to) external;
|
|
|
|
function swap(
|
|
uint256 amount0Out,
|
|
uint256 amount1Out,
|
|
address to,
|
|
bytes calldata data
|
|
) external;
|
|
|
|
function sync() external;
|
|
|
|
function initialize(
|
|
address _token0,
|
|
address _token1,
|
|
address _oracle,
|
|
address _trader
|
|
) external;
|
|
|
|
function getSwapAmount0In(uint256 amount1Out, bytes calldata data) external view returns (uint256 swapAmount0In);
|
|
|
|
function getSwapAmount1In(uint256 amount0Out, bytes calldata data) external view returns (uint256 swapAmount1In);
|
|
|
|
function getSwapAmount0Out(uint256 amount1In, bytes calldata data) external view returns (uint256 swapAmount0Out);
|
|
|
|
function getSwapAmount1Out(uint256 amount0In, bytes calldata data) external view returns (uint256 swapAmount1Out);
|
|
|
|
function getDepositAmount0In(uint256 amount0, bytes calldata data) external view returns (uint256 depositAmount0In);
|
|
|
|
function getDepositAmount1In(uint256 amount1, bytes calldata data) external view returns (uint256 depositAmount1In);
|
|
}
|
|
*/ |