79 lines
2.8 KiB
Solidity
79 lines
2.8 KiB
Solidity
/*
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Copyright 2020 DODO ZOO.
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SPDX-License-Identifier: Apache-2.0
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*/
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pragma solidity 0.6.9;
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pragma experimental ABIEncoderV2;
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import {IDODOV2} from "../intf/IDODOV2.sol";
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contract DODOV2RouteHelper {
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address public immutable _DVM_FACTORY_;
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address public immutable _DPP_FACTORY_;
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struct PairDetail {
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uint256 i;
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uint256 K;
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uint256 B;
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uint256 Q;
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uint256 B0;
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uint256 Q0;
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uint256 R;
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uint256 lpFeeRate;
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uint256 mtFeeRate;
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address baseToken;
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address quoteToken;
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address curPair;
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uint256 pairVersion;
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}
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constructor(address dvmFactory,address dppFactory) public {
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_DVM_FACTORY_ = dvmFactory;
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_DPP_FACTORY_ = dppFactory;
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}
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function getPairDetail(address token0,address token1,address userAddr) external view returns (PairDetail[] memory res) {
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(address[] memory baseToken0DVM, address[] memory baseToken1DVM) = IDODOV2(_DVM_FACTORY_).getDODOPoolBidirection(token0,token1);
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(address[] memory baseToken0DPP, address[] memory baseToken1DPP) = IDODOV2(_DPP_FACTORY_).getDODOPoolBidirection(token0,token1);
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uint256 len = baseToken0DVM.length + baseToken1DVM.length + baseToken0DPP.length + baseToken1DPP.length;
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res = new PairDetail[](len);
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for(uint8 i = 0; i < len; i++) {
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PairDetail memory curRes = PairDetail(0,0,0,0,0,0,0,0,0,address(0),address(0),address(0),2);
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address cur;
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if(i < baseToken0DVM.length) {
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cur = baseToken0DVM[i];
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curRes.baseToken = token0;
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curRes.quoteToken = token1;
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} else if(i < baseToken0DVM.length + baseToken1DVM.length) {
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cur = baseToken1DVM[i - baseToken0DVM.length];
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curRes.baseToken = token1;
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curRes.quoteToken = token0;
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} else if(i < baseToken0DVM.length + baseToken1DVM.length + baseToken0DPP.length) {
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cur = baseToken0DPP[i - baseToken0DVM.length - baseToken1DVM.length];
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curRes.baseToken = token0;
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curRes.quoteToken = token1;
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} else {
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cur = baseToken1DPP[i - baseToken0DVM.length - baseToken1DVM.length - baseToken0DPP.length];
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curRes.baseToken = token1;
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curRes.quoteToken = token0;
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}
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(
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curRes.i,
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curRes.K,
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curRes.B,
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curRes.Q,
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curRes.B0,
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curRes.Q0,
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curRes.R
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) = IDODOV2(cur).getPMMStateForCall();
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(curRes.lpFeeRate, curRes.mtFeeRate) = IDODOV2(cur).getUserFeeRate(userAddr);
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curRes.curPair = cur;
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res[i] = curRes;
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}
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}
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} |