Merge branch 'main' into feature/angle-adapter
This commit is contained in:
Ale personal
583
evm/src/integral/IntegralSwapAdapter.sol
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583
evm/src/integral/IntegralSwapAdapter.sol
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@@ -0,0 +1,583 @@
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// SPDX-License-Identifier: AGPL-3.0-or-later
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pragma solidity ^0.8.13;
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import {IERC20, ISwapAdapter} from "src/interfaces/ISwapAdapter.sol";
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import {ERC20} from "openzeppelin-contracts/contracts/token/ERC20/ERC20.sol";
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import {SafeERC20} from "openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol";
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/// @dev Integral submitted deadline of 3600 seconds (1 hour) to Paraswap, but it is not strictly necessary to be this long
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/// as the contract allows less durations, we use 1000 seconds (15 minutes) as a deadline
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uint256 constant SWAP_DEADLINE_SEC = 1000;
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uint256 constant STANDARD_TOKEN_DECIMALS = 10**18;
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/// @title Integral Swap Adapter
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contract IntegralSwapAdapter is ISwapAdapter {
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using SafeERC20 for IERC20;
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ITwapRelayer immutable relayer;
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constructor(address relayer_) {
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relayer = ITwapRelayer(relayer_);
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}
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/// @inheritdoc ISwapAdapter
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/// @dev Integral always relies on a single pool linked to the factory to map two pairs, and does not use routing
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/// we can then use getPriceByTokenAddresses() instead of getPriceByPairAddresses()
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/// as they both return the same value and the first also handles the order of tokens inside.
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/// @dev Since the price of a token is determined externally by Integral Oracles and not by reserves
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/// it will always be the same (pre and post trade) and independent of the amounts swapped,
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/// but we still return an array of length=specifiedAmounts.length with same values to make sure the return value is the expected from caller.
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function price(
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bytes32,
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IERC20 _sellToken,
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IERC20 _buyToken,
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uint256[] memory _specifiedAmounts
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) external view override returns (Fraction[] memory _prices) {
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_prices = new Fraction[](_specifiedAmounts.length);
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Fraction memory price = getPriceAt(address(_sellToken), address(_buyToken));
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for (uint256 i = 0; i < _specifiedAmounts.length; i++) {
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_prices[i] = price;
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}
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}
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/// @inheritdoc ISwapAdapter
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function swap(
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bytes32,
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IERC20 sellToken,
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IERC20 buyToken,
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OrderSide side,
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uint256 specifiedAmount
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) external override returns (Trade memory trade) {
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if (specifiedAmount == 0) {
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return trade;
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}
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uint256 gasBefore = gasleft();
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if (side == OrderSide.Sell) { // sell
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trade.calculatedAmount =
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sell(sellToken, buyToken, specifiedAmount);
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} else { // buy
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trade.calculatedAmount =
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buy(sellToken, buyToken, specifiedAmount);
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}
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trade.gasUsed = gasBefore - gasleft();
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trade.price = getPriceAt(address(sellToken), address(buyToken));
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}
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/// @inheritdoc ISwapAdapter
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function getLimits(bytes32, IERC20 sellToken, IERC20 buyToken)
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external
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view
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override
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returns (uint256[] memory limits)
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{
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(
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,
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,
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,
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uint256 limitMax0,
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,
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uint256 limitMax1
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) = relayer.getPoolState(address(sellToken), address(buyToken));
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limits = new uint256[](2);
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limits[0] = limitMax0;
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limits[1] = limitMax1;
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/**
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* @dev minLimits in integral are the args: 2(for sellToken, the one before limitMax0)
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* and 4(for buyToken, the one before limitMax1) of the function relayer.getPoolState(sellToken, buyToken);
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* an implementation of them can be found in the test of this adapter
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*/
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}
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/// @inheritdoc ISwapAdapter
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function getCapabilities(bytes32, IERC20, IERC20)
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external
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pure
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override
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returns (Capability[] memory capabilities)
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{
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capabilities = new Capability[](4);
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capabilities[0] = Capability.SellOrder;
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capabilities[1] = Capability.BuyOrder;
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capabilities[2] = Capability.PriceFunction;
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capabilities[3] = Capability.ConstantPrice;
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}
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/// @inheritdoc ISwapAdapter
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function getTokens(bytes32 poolId)
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external
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view
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override
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returns (IERC20[] memory tokens)
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{
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tokens = new IERC20[](2);
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ITwapPair pair = ITwapPair(address(bytes20(poolId)));
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tokens[0] = IERC20(pair.token0());
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tokens[1] = IERC20(pair.token1());
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}
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/// @inheritdoc ISwapAdapter
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function getPoolIds(uint256 offset, uint256 limit)
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external
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view
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override
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returns (bytes32[] memory ids)
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{
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ITwapFactory factory = ITwapFactory(relayer.factory());
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uint256 endIdx = offset + limit;
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if (endIdx > factory.allPairsLength()) {
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endIdx = factory.allPairsLength();
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}
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ids = new bytes32[](endIdx - offset);
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for (uint256 i = 0; i < ids.length; i++) {
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ids[i] = bytes20(factory.allPairs(offset + i));
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}
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}
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/// @notice Executes a sell order on a given pool.
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/// @param sellToken The address of the token being sold.
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/// @param buyToken The address of the token being bought.
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/// @param amount The amount to be traded.
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/// @return uint256 The amount of tokens received.
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function sell(
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IERC20 sellToken,
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IERC20 buyToken,
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uint256 amount
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) internal returns (uint256) {
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uint256 amountOut = relayer.quoteSell(address(sellToken), address(buyToken), amount);
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if (amountOut == 0) {
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revert Unavailable("AmountOut is zero!");
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}
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sellToken.safeTransferFrom(msg.sender, address(this), amount);
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sellToken.safeIncreaseAllowance(address(relayer), amount);
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relayer.sell(ITwapRelayer.SellParams({
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tokenIn: address(sellToken),
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tokenOut: address(buyToken),
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wrapUnwrap: false,
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to: msg.sender,
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submitDeadline: uint32(block.timestamp + SWAP_DEADLINE_SEC),
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amountIn: amount,
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amountOutMin: amountOut
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}));
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return amountOut;
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}
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/// @notice Executes a buy order on a given pool.
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/// @param sellToken The address of the token being sold.
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/// @param buyToken The address of the token being bought.
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/// @param amountBought The amount of buyToken tokens to buy.
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/// @return uint256 The amount of tokens received.
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function buy(
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IERC20 sellToken,
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IERC20 buyToken,
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uint256 amountBought
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) internal returns (uint256) {
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uint256 amountIn = relayer.quoteBuy(address(sellToken), address(buyToken), amountBought);
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if (amountIn == 0) {
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revert Unavailable("AmountIn is zero!");
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}
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sellToken.safeTransferFrom(msg.sender, address(this), amountIn);
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sellToken.safeIncreaseAllowance(address(relayer), amountIn);
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relayer.buy(ITwapRelayer.BuyParams({
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tokenIn: address(sellToken),
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tokenOut: address(buyToken),
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wrapUnwrap: false,
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to: msg.sender,
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submitDeadline: uint32(block.timestamp + SWAP_DEADLINE_SEC),
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amountInMax: amountIn,
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amountOut: amountBought
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}));
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return amountIn;
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}
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/// @notice Get swap price including fee
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/// @param sellToken token to sell
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/// @param buyToken token to buy
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function getPriceAt(address sellToken, address buyToken) internal view returns(Fraction memory) {
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uint256 priceWithoutFee = relayer.getPriceByTokenAddresses(address(sellToken), address(buyToken));
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ITwapFactory factory = ITwapFactory(relayer.factory());
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address pairAddress = factory.getPair(address(sellToken), address(buyToken));
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// get swapFee formatted; swapFee is a constant
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uint256 swapFeeFormatted = (STANDARD_TOKEN_DECIMALS - relayer.swapFee(pairAddress));
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// get token decimals
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uint256 sellTokenDecimals = 10**ERC20(sellToken).decimals();
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uint256 buyTokenDecimals = 10**ERC20(buyToken).decimals();
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/**
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* @dev
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* Denominator works as a "standardizer" for the price rather than a reserve value
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* as Integral takes prices from oracles and do not operate with reserves;
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* it is therefore used to maintain integrity for the Fraction division,
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* as numerator and denominator could have different token decimals(es. ETH(18)-USDC(6)).
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* Both numerator and denominator are also multiplied by STANDARD_TOKEN_DECIMALS
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* to ensure that precision losses are minimized or null.
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*/
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return Fraction(
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priceWithoutFee * STANDARD_TOKEN_DECIMALS,
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STANDARD_TOKEN_DECIMALS * sellTokenDecimals * swapFeeFormatted / buyTokenDecimals
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);
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}
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}
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interface ITwapRelayer {
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event OwnerSet(address owner);
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event RebalancerSet(address rebalancer);
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event DelaySet(address delay);
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event PairEnabledSet(address pair, bool enabled);
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event SwapFeeSet(address pair, uint256 fee);
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event TwapIntervalSet(address pair, uint32 interval);
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event EthTransferGasCostSet(uint256 gasCost);
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event ExecutionGasLimitSet(uint256 limit);
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event TokenLimitMinSet(address token, uint256 limit);
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event TokenLimitMaxMultiplierSet(address token, uint256 limit);
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event ToleranceSet(address pair, uint16 tolerance);
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event Approve(address token, address to, uint256 amount);
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event Withdraw(address token, address to, uint256 amount);
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event Sell(
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address indexed sender,
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address tokenIn,
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address tokenOut,
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uint256 amountIn,
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uint256 amountOut,
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uint256 amountOutMin,
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bool wrapUnwrap,
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uint256 fee,
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address indexed to,
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address orderContract,
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uint256 indexed orderId
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);
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event Buy(
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address indexed sender,
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address tokenIn,
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address tokenOut,
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uint256 amountIn,
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uint256 amountInMax,
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uint256 amountOut,
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bool wrapUnwrap,
|
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uint256 fee,
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address indexed to,
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address orderContract,
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uint256 indexed orderId
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);
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event RebalanceSellWithDelay(
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address indexed sender,
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address tokenIn,
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address tokenOut,
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uint256 amountIn,
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uint256 indexed delayOrderId
|
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);
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event RebalanceSellWithOneInch(address indexed oneInchRouter, uint256 gas, bytes data);
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event OneInchRouterWhitelisted(address indexed oneInchRouter, bool whitelisted);
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function factory() external pure returns (address);
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function delay() external pure returns (address);
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function weth() external pure returns (address);
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function owner() external view returns (address);
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function rebalancer() external view returns (address);
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function isOneInchRouterWhitelisted(address oneInchRouter) external view returns (bool);
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function setOwner(address _owner) external;
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function swapFee(address pair) external view returns (uint256);
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||||
function setSwapFee(address pair, uint256 fee) external;
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|
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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);
|
||||
}
|
||||
36
evm/src/integral/manifest.yaml
Normal file
36
evm/src/integral/manifest.yaml
Normal file
@@ -0,0 +1,36 @@
|
||||
# information about the author helps us reach out in case of issues.
|
||||
author:
|
||||
name: Propellerheads.xyz
|
||||
email: alan@propellerheads.xyz
|
||||
|
||||
# Protocol Constants
|
||||
constants:
|
||||
protocol_gas: 30000
|
||||
# minimum capabilities we can expect, individual pools may extend these
|
||||
capabilities:
|
||||
- SellSide
|
||||
- BuySide
|
||||
- PriceFunction
|
||||
|
||||
# The file containing the adapter contract
|
||||
contract: IntegralSwapAdapter.sol
|
||||
|
||||
# Deployment instances used to generate chain specific bytecode.
|
||||
instances:
|
||||
- chain:
|
||||
name: mainnet
|
||||
id: 0
|
||||
arguments:
|
||||
- "0xd17b3c9784510E33cD5B87b490E79253BcD81e2E"
|
||||
|
||||
# Specify some automatic test cases in case getPoolIds and
|
||||
# getTokens are not implemented.
|
||||
tests:
|
||||
instances:
|
||||
- pool_id: "0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc"
|
||||
sell_token: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
|
||||
buy_token: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
|
||||
block: 17000000
|
||||
chain:
|
||||
id: 0
|
||||
name: mainnet
|
||||
@@ -87,7 +87,12 @@ contract UniswapV2SwapAdapter is ISwapAdapter {
|
||||
buy(pair, sellToken, zero2one, r0, r1, specifiedAmount);
|
||||
}
|
||||
trade.gasUsed = gasBefore - gasleft();
|
||||
trade.price = getPriceAt(specifiedAmount, r0, r1);
|
||||
if(side == OrderSide.Sell) {
|
||||
trade.price = getPriceAt(specifiedAmount, r0, r1);
|
||||
}
|
||||
else {
|
||||
trade.price = getPriceAt(trade.calculatedAmount, r0, r1);
|
||||
}
|
||||
}
|
||||
|
||||
/// @notice Executes a sell order on a given pool.
|
||||
|
||||
Reference in New Issue
Block a user