mirror of
https://github.com/Instadapp/dsa-connectors-old.git
synced 2024-07-29 22:47:46 +00:00
639 lines
19 KiB
Solidity
639 lines
19 KiB
Solidity
pragma solidity ^0.6.0;
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pragma experimental ABIEncoderV2;
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// import files from common directory
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import { TokenInterface , MemoryInterface, EventInterface} from "../common/interfaces.sol";
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import { Stores } from "../common/stores.sol";
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import { DSMath } from "../common/math.sol";
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interface OneInchInterace {
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function swap(
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TokenInterface fromToken,
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TokenInterface toToken,
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uint256 fromTokenAmount,
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uint256 minReturnAmount,
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uint256 guaranteedAmount,
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address payable referrer,
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address[] calldata callAddresses,
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bytes calldata callDataConcat,
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uint256[] calldata starts,
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uint256[] calldata gasLimitsAndValues
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)
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external
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payable
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returns (uint256 returnAmount);
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}
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interface OneProtoInterface {
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function swap(
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TokenInterface fromToken,
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TokenInterface destToken,
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uint256 amount,
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uint256 minReturn,
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uint256[] calldata distribution,
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uint256 flags // See contants in IOneSplit.sol
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) external payable returns(uint256);
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function swapMulti(
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TokenInterface[] calldata tokens,
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uint256 amount,
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uint256 minReturn,
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uint256[] calldata distribution,
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uint256[] calldata flags
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) external payable returns(uint256 returnAmount);
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function getExpectedReturn(
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TokenInterface fromToken,
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TokenInterface destToken,
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uint256 amount,
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uint256 parts,
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uint256 flags // See constants in IOneSplit.sol
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)
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external
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view
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returns(
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uint256 returnAmount,
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uint256[] memory distribution
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);
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}
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interface OneProtoMappingInterface {
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function oneProtoAddress() external view returns(address);
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}
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contract OneHelpers is Stores, DSMath {
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/**
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* @dev Return 1proto mapping Address
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*/
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function getOneProtoMappingAddress() internal pure returns (address payable) {
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return 0x8d0287AFa7755BB5f2eFe686AA8d4F0A7BC4AE7F;
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}
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/**
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* @dev Return 1proto Address
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*/
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function getOneProtoAddress() internal virtual view returns (address payable) {
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return payable(OneProtoMappingInterface(getOneProtoMappingAddress()).oneProtoAddress());
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}
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/**
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* @dev Return 1Inch Address
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*/
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function getOneInchAddress() internal pure returns (address) {
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return 0x111111125434b319222CdBf8C261674aDB56F3ae;
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}
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/**
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* @dev Return 1inch swap function sig
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*/
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function getOneInchSig() internal pure returns (bytes4) {
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return 0x90411a32;
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}
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function convert18ToDec(uint _dec, uint256 _amt) internal pure returns (uint256 amt) {
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amt = (_amt / 10 ** (18 - _dec));
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}
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function convertTo18(uint _dec, uint256 _amt) internal pure returns (uint256 amt) {
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amt = mul(_amt, 10 ** (18 - _dec));
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}
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function getTokenBal(TokenInterface token) internal view returns(uint _amt) {
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_amt = address(token) == getEthAddr() ? address(this).balance : token.balanceOf(address(this));
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}
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function getTokensDec(TokenInterface buyAddr, TokenInterface sellAddr) internal view returns(uint buyDec, uint sellDec) {
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buyDec = address(buyAddr) == getEthAddr() ? 18 : buyAddr.decimals();
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sellDec = address(sellAddr) == getEthAddr() ? 18 : sellAddr.decimals();
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}
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function getSlippageAmt(
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TokenInterface _buyAddr,
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TokenInterface _sellAddr,
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uint _sellAmt,
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uint unitAmt
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) internal view returns(uint _slippageAmt) {
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(uint _buyDec, uint _sellDec) = getTokensDec(_buyAddr, _sellAddr);
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uint _sellAmt18 = convertTo18(_sellDec, _sellAmt);
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_slippageAmt = convert18ToDec(_buyDec, wmul(unitAmt, _sellAmt18));
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}
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function convertToTokenInterface(address[] memory tokens) internal pure returns(TokenInterface[] memory) {
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TokenInterface[] memory _tokens = new TokenInterface[](tokens.length);
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for (uint i = 0; i < tokens.length; i++) {
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_tokens[i] = TokenInterface(tokens[i]);
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}
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return _tokens;
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}
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}
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contract OneProtoResolver is OneHelpers {
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struct OneProtoData {
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TokenInterface sellToken;
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TokenInterface buyToken;
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uint _sellAmt;
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uint _buyAmt;
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uint unitAmt;
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uint[] distribution;
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uint disableDexes;
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}
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function oneProtoSwap(
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OneProtoInterface oneProtoContract,
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OneProtoData memory oneProtoData
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) internal returns (uint buyAmt) {
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TokenInterface _sellAddr = oneProtoData.sellToken;
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TokenInterface _buyAddr = oneProtoData.buyToken;
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uint _sellAmt = oneProtoData._sellAmt;
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uint _slippageAmt = getSlippageAmt(_buyAddr, _sellAddr, _sellAmt, oneProtoData.unitAmt);
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uint ethAmt;
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if (address(_sellAddr) == getEthAddr()) {
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ethAmt = _sellAmt;
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} else {
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_sellAddr.approve(address(oneProtoContract), _sellAmt);
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}
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uint initalBal = getTokenBal(_buyAddr);
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oneProtoContract.swap.value(ethAmt)(
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_sellAddr,
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_buyAddr,
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_sellAmt,
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_slippageAmt,
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oneProtoData.distribution,
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oneProtoData.disableDexes
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);
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uint finalBal = getTokenBal(_buyAddr);
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buyAmt = sub(finalBal, initalBal);
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require(_slippageAmt <= buyAmt, "Too much slippage");
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}
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struct OneProtoMultiData {
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address[] tokens;
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TokenInterface sellToken;
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TokenInterface buyToken;
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uint _sellAmt;
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uint _buyAmt;
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uint unitAmt;
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uint[] distribution;
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uint[] disableDexes;
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}
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function oneProtoSwapMulti(OneProtoMultiData memory oneProtoData) internal returns (uint buyAmt) {
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TokenInterface _sellAddr = oneProtoData.sellToken;
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TokenInterface _buyAddr = oneProtoData.buyToken;
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uint _sellAmt = oneProtoData._sellAmt;
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uint _slippageAmt = getSlippageAmt(_buyAddr, _sellAddr, _sellAmt, oneProtoData.unitAmt);
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OneProtoInterface oneSplitContract = OneProtoInterface(getOneProtoAddress());
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uint ethAmt;
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if (address(_sellAddr) == getEthAddr()) {
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ethAmt = _sellAmt;
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} else {
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_sellAddr.approve(address(oneSplitContract), _sellAmt);
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}
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uint initalBal = getTokenBal(_buyAddr);
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oneSplitContract.swapMulti.value(ethAmt)(
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convertToTokenInterface(oneProtoData.tokens),
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_sellAmt,
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_slippageAmt,
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oneProtoData.distribution,
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oneProtoData.disableDexes
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);
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uint finalBal = getTokenBal(_buyAddr);
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buyAmt = sub(finalBal, initalBal);
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require(_slippageAmt <= buyAmt, "Too much slippage");
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}
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}
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contract OneInchResolver is OneProtoResolver {
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function checkOneInchSig(bytes memory callData) internal pure returns(bool isOk) {
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bytes memory _data = callData;
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bytes4 sig;
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// solium-disable-next-line security/no-inline-assembly
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assembly {
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sig := mload(add(_data, 32))
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}
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isOk = sig == getOneInchSig();
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}
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struct OneInchData {
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TokenInterface sellToken;
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TokenInterface buyToken;
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uint _sellAmt;
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uint _buyAmt;
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uint unitAmt;
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bytes callData;
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}
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function oneInchSwap(
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OneInchData memory oneInchData,
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uint ethAmt
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) internal returns (uint buyAmt) {
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TokenInterface buyToken = oneInchData.buyToken;
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(uint _buyDec, uint _sellDec) = getTokensDec(buyToken, oneInchData.sellToken);
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uint _sellAmt18 = convertTo18(_sellDec, oneInchData._sellAmt);
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uint _slippageAmt = convert18ToDec(_buyDec, wmul(oneInchData.unitAmt, _sellAmt18));
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uint initalBal = getTokenBal(buyToken);
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// solium-disable-next-line security/no-call-value
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(bool success, ) = address(getOneInchAddress()).call.value(ethAmt)(oneInchData.callData);
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if (!success) revert("1Inch-swap-failed");
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uint finalBal = getTokenBal(buyToken);
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buyAmt = sub(finalBal, initalBal);
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require(_slippageAmt <= buyAmt, "Too much slippage");
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}
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}
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contract OneProtoEventResolver is OneInchResolver {
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event LogSell(
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address indexed buyToken,
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address indexed sellToken,
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uint256 buyAmt,
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uint256 sellAmt,
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uint256 getId,
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uint256 setId
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);
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function emitLogSell(
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OneProtoData memory oneProtoData,
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uint256 getId,
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uint256 setId
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) internal {
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bytes32 _eventCode;
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bytes memory _eventParam;
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emit LogSell(
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address(oneProtoData.buyToken),
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address(oneProtoData.sellToken),
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oneProtoData._buyAmt,
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oneProtoData._sellAmt,
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getId,
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setId
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);
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_eventCode = keccak256("LogSell(address,address,uint256,uint256,uint256,uint256)");
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_eventParam = abi.encode(
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address(oneProtoData.buyToken),
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address(oneProtoData.sellToken),
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oneProtoData._buyAmt,
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oneProtoData._sellAmt,
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getId,
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setId
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);
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emitEvent(_eventCode, _eventParam);
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}
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event LogSellTwo(
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address indexed buyToken,
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address indexed sellToken,
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uint256 buyAmt,
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uint256 sellAmt,
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uint256 getId,
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uint256 setId
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);
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function emitLogSellTwo(
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OneProtoData memory oneProtoData,
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uint256 getId,
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uint256 setId
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) internal {
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bytes32 _eventCode;
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bytes memory _eventParam;
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emit LogSellTwo(
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address(oneProtoData.buyToken),
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address(oneProtoData.sellToken),
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oneProtoData._buyAmt,
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oneProtoData._sellAmt,
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getId,
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setId
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);
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_eventCode = keccak256("LogSellTwo(address,address,uint256,uint256,uint256,uint256)");
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_eventParam = abi.encode(
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address(oneProtoData.buyToken),
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address(oneProtoData.sellToken),
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oneProtoData._buyAmt,
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oneProtoData._sellAmt,
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getId,
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setId
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);
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emitEvent(_eventCode, _eventParam);
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}
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event LogSellMulti(
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address[] tokens,
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address indexed buyToken,
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address indexed sellToken,
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uint256 buyAmt,
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uint256 sellAmt,
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uint256 getId,
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uint256 setId
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);
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function emitLogSellMulti(
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OneProtoMultiData memory oneProtoData,
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uint256 getId,
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uint256 setId
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) internal {
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bytes32 _eventCode;
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bytes memory _eventParam;
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emit LogSellMulti(
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oneProtoData.tokens,
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address(oneProtoData.buyToken),
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address(oneProtoData.sellToken),
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oneProtoData._buyAmt,
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oneProtoData._sellAmt,
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getId,
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setId
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);
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_eventCode = keccak256("LogSellMulti(address[],address,address,uint256,uint256,uint256,uint256)");
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_eventParam = abi.encode(
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oneProtoData.tokens,
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address(oneProtoData.buyToken),
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address(oneProtoData.sellToken),
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oneProtoData._buyAmt,
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oneProtoData._sellAmt,
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getId,
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setId
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);
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emitEvent(_eventCode, _eventParam);
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}
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}
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contract OneInchEventResolver is OneProtoEventResolver {
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event LogSellThree(
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address indexed buyToken,
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address indexed sellToken,
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uint256 buyAmt,
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uint256 sellAmt,
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uint256 getId,
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uint256 setId
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);
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function emitLogSellThree(
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OneInchData memory oneInchData,
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uint256 setId
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) internal {
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bytes32 _eventCode;
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bytes memory _eventParam;
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emit LogSellThree(
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address(oneInchData.buyToken),
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address(oneInchData.sellToken),
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oneInchData._buyAmt,
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oneInchData._sellAmt,
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0,
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setId
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);
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_eventCode = keccak256("LogSellThree(address,address,uint256,uint256,uint256,uint256)");
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_eventParam = abi.encode(
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address(oneInchData.buyToken),
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address(oneInchData.sellToken),
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oneInchData._buyAmt,
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oneInchData._sellAmt,
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0,
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setId
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);
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emitEvent(_eventCode, _eventParam);
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}
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}
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contract OneProtoResolverHelpers is OneInchEventResolver {
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function _sell(
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OneProtoData memory oneProtoData,
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uint256 getId,
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uint256 setId
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) internal {
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uint _sellAmt = getUint(getId, oneProtoData._sellAmt);
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oneProtoData._sellAmt = _sellAmt == uint(-1) ?
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getTokenBal(oneProtoData.sellToken) :
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_sellAmt;
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OneProtoInterface oneProtoContract = OneProtoInterface(getOneProtoAddress());
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(, oneProtoData.distribution) = oneProtoContract.getExpectedReturn(
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oneProtoData.sellToken,
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oneProtoData.buyToken,
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oneProtoData._sellAmt,
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5,
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0
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);
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oneProtoData._buyAmt = oneProtoSwap(
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oneProtoContract,
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oneProtoData
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);
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setUint(setId, oneProtoData._buyAmt);
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emitLogSell(oneProtoData, getId, setId);
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}
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function _sellTwo(
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OneProtoData memory oneProtoData,
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uint getId,
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uint setId
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) internal {
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uint _sellAmt = getUint(getId, oneProtoData._sellAmt);
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oneProtoData._sellAmt = _sellAmt == uint(-1) ?
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getTokenBal(oneProtoData.sellToken) :
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_sellAmt;
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oneProtoData._buyAmt = oneProtoSwap(
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OneProtoInterface(getOneProtoAddress()),
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oneProtoData
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);
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setUint(setId, oneProtoData._buyAmt);
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emitLogSellTwo(oneProtoData, getId, setId);
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}
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function _sellMulti(
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OneProtoMultiData memory oneProtoData,
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uint getId,
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uint setId
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) internal {
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uint _sellAmt = getUint(getId, oneProtoData._sellAmt);
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oneProtoData._sellAmt = _sellAmt == uint(-1) ?
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getTokenBal(oneProtoData.sellToken) :
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_sellAmt;
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oneProtoData._buyAmt = oneProtoSwapMulti(oneProtoData);
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setUint(setId, oneProtoData._buyAmt);
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emitLogSellMulti(oneProtoData, getId, setId);
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}
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}
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contract OneInchResolverHelpers is OneProtoResolverHelpers {
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function _sellThree(
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OneInchData memory oneInchData,
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uint setId
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) internal {
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TokenInterface _sellAddr = oneInchData.sellToken;
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uint ethAmt;
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if (address(_sellAddr) == getEthAddr()) {
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ethAmt = oneInchData._sellAmt;
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} else {
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TokenInterface(_sellAddr).approve(getOneInchAddress(), oneInchData._sellAmt);
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}
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require(checkOneInchSig(oneInchData.callData), "Not-swap-function");
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oneInchData._buyAmt = oneInchSwap(oneInchData, ethAmt);
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setUint(setId, oneInchData._buyAmt);
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emitLogSellThree(oneInchData, setId);
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}
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}
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contract OneProto is OneInchResolverHelpers {
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/**
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* @dev Sell ETH/ERC20_Token using 1proto.
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* @param buyAddr buying token address.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAddr selling token address.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAmt selling token amount.
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* @param unitAmt unit amount of buyAmt/sellAmt with slippage.
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* @param getId Get token amount at this ID from `InstaMemory` Contract.
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* @param setId Set token amount at this ID in `InstaMemory` Contract.
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*/
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function sell(
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address buyAddr,
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address sellAddr,
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uint sellAmt,
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uint unitAmt,
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uint getId,
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uint setId
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) external payable {
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OneProtoData memory oneProtoData = OneProtoData({
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buyToken: TokenInterface(buyAddr),
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sellToken: TokenInterface(sellAddr),
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_sellAmt: sellAmt,
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unitAmt: unitAmt,
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distribution: new uint[](0),
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_buyAmt: 0,
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disableDexes: 0
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});
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_sell(oneProtoData, getId, setId);
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}
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/**
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* @dev Sell ETH/ERC20_Token using 1proto using off-chain calculation.
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* @param buyAddr buying token address.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAddr selling token address.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param sellAmt selling token amount.
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* @param unitAmt unit amount of buyAmt/sellAmt with slippage.
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* @param distribution distribution of swap across different dex.
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* @param disableDexes disable a dex. (To disable none: 0)
|
|
* @param getId Get token amount at this ID from `InstaMemory` Contract.
|
|
* @param setId Set token amount at this ID in `InstaMemory` Contract.
|
|
*/
|
|
function sellTwo(
|
|
address buyAddr,
|
|
address sellAddr,
|
|
uint sellAmt,
|
|
uint unitAmt,
|
|
uint[] calldata distribution,
|
|
uint disableDexes,
|
|
uint getId,
|
|
uint setId
|
|
) external payable {
|
|
OneProtoData memory oneProtoData = OneProtoData({
|
|
buyToken: TokenInterface(buyAddr),
|
|
sellToken: TokenInterface(sellAddr),
|
|
_sellAmt: sellAmt,
|
|
unitAmt: unitAmt,
|
|
distribution: distribution,
|
|
disableDexes: disableDexes,
|
|
_buyAmt: 0
|
|
});
|
|
|
|
_sellTwo(oneProtoData, getId, setId);
|
|
}
|
|
|
|
/**
|
|
* @dev Sell ETH/ERC20_Token using 1proto using muliple token.
|
|
* @param tokens array of tokens.
|
|
* @param sellAmt selling token amount.
|
|
* @param unitAmt unit amount of buyAmt/sellAmt with slippage.
|
|
* @param distribution distribution of swap across different dex.
|
|
* @param disableDexes disable a dex. (To disable none: 0)
|
|
* @param getId Get token amount at this ID from `InstaMemory` Contract.
|
|
* @param setId Set token amount at this ID in `InstaMemory` Contract.
|
|
*/
|
|
function sellMulti(
|
|
address[] calldata tokens,
|
|
uint sellAmt,
|
|
uint unitAmt,
|
|
uint[] calldata distribution,
|
|
uint[] calldata disableDexes,
|
|
uint getId,
|
|
uint setId
|
|
) external payable {
|
|
OneProtoMultiData memory oneProtoData = OneProtoMultiData({
|
|
tokens: tokens,
|
|
buyToken: TokenInterface(address(tokens[tokens.length - 1])),
|
|
sellToken: TokenInterface(address(tokens[0])),
|
|
unitAmt: unitAmt,
|
|
distribution: distribution,
|
|
disableDexes: disableDexes,
|
|
_sellAmt: sellAmt,
|
|
_buyAmt: 0
|
|
});
|
|
|
|
_sellMulti(oneProtoData, getId, setId);
|
|
}
|
|
}
|
|
|
|
contract OneInch is OneProto {
|
|
/**
|
|
* @dev Sell ETH/ERC20_Token using 1inch.
|
|
* @param buyAddr buying token address.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
|
|
* @param sellAddr selling token amount.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
|
|
* @param sellAmt selling token amount.
|
|
* @param unitAmt unit amount of buyAmt/sellAmt with slippage.
|
|
* @param callData Data from 1inch API.
|
|
* @param setId Set token amount at this ID in `InstaMemory` Contract.
|
|
*/
|
|
function sellThree(
|
|
address buyAddr,
|
|
address sellAddr,
|
|
uint sellAmt,
|
|
uint unitAmt,
|
|
bytes calldata callData,
|
|
uint setId
|
|
) external payable {
|
|
OneInchData memory oneInchData = OneInchData({
|
|
buyToken: TokenInterface(buyAddr),
|
|
sellToken: TokenInterface(sellAddr),
|
|
unitAmt: unitAmt,
|
|
callData: callData,
|
|
_sellAmt: sellAmt,
|
|
_buyAmt: 0
|
|
});
|
|
|
|
_sellThree(oneInchData, setId);
|
|
}
|
|
}
|
|
|
|
contract ConnectOne is OneInch {
|
|
string public name = "1inch-1proto-v1";
|
|
}
|