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Added getPosition function for uniswap

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This commit is contained in:
Thrilok Kumar 2020-07-09 00:13:34 +05:30
parent f5568f3dbd
commit 965df4b848
1 changed files with 45 additions and 0 deletions
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45
contracts/protocols/uniswapV2.sol
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@ -259,6 +259,51 @@ contract Resolver is UniswapHelpers {
slippage
);
}
struct TokenPair {
TokenInterface tokenA;
TokenInterface tokenB;
}
struct PoolData {
uint tokenAShare;
uint tokenBShare;
uint uniAmt;
uint totalSupply;
}
function getPosition(
address owner,
TokenPair[] memory tokenPairs
) public view returns (PoolData[] memory)
{
IUniswapV2Router02 router = IUniswapV2Router02(getUniswapAddr());
uint _len = tokenPairs.length;
PoolData[] memory poolData = new PoolData[](_len);
for (uint i = 0; i < _len; i++) {
TokenInterface tokenA = tokenPairs[i].tokenA;
TokenInterface tokenB = tokenPairs[i].tokenB;
address exchangeAddr = IUniswapV2Factory(router.factory()).getPair(
address(tokenA),
address(tokenB)
);
if (exchangeAddr != address(0)) {
TokenInterface uniToken = TokenInterface(exchangeAddr);
uint uniAmt = uniToken.balanceOf(owner);
uint totalSupply = uniToken.totalSupply();
uint share = wdiv(uniAmt, totalSupply);
uint amtA = wmul(tokenA.balanceOf(exchangeAddr), share);
uint amtB = wmul(tokenB.balanceOf(exchangeAddr), share);
poolData[i] = PoolData(
amtA,
amtB,
uniAmt,
totalSupply
);
}
}
return poolData;
}
}