mirror of
https://github.com/Instadapp/smart-contract.git
synced 2024-07-29 22:08:07 +00:00
224 lines
17 KiB
JSON
224 lines
17 KiB
JSON
{
|
|
"schemaVersion": "2.0.0",
|
|
"contractName": "UniswapTrade",
|
|
"compilerOutput": {
|
|
"abi": [
|
|
{
|
|
"constant": true,
|
|
"inputs": [
|
|
{
|
|
"name": "src",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "dest",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "destAmt",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"name": "getExpectedRateDestUniswap",
|
|
"outputs": [
|
|
{
|
|
"name": "",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"payable": false,
|
|
"stateMutability": "view",
|
|
"type": "function"
|
|
},
|
|
{
|
|
"constant": false,
|
|
"inputs": [
|
|
{
|
|
"name": "src",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "maxSrcAmt",
|
|
"type": "uint256"
|
|
},
|
|
{
|
|
"name": "dest",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "destAmt",
|
|
"type": "uint256"
|
|
},
|
|
{
|
|
"name": "deadline",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"name": "tradeDestUniswap",
|
|
"outputs": [
|
|
{
|
|
"name": "",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"payable": true,
|
|
"stateMutability": "payable",
|
|
"type": "function"
|
|
},
|
|
{
|
|
"constant": false,
|
|
"inputs": [
|
|
{
|
|
"name": "src",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "srcAmt",
|
|
"type": "uint256"
|
|
},
|
|
{
|
|
"name": "dest",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "minDestAmt",
|
|
"type": "uint256"
|
|
},
|
|
{
|
|
"name": "deadline",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"name": "tradeSrcUniswap",
|
|
"outputs": [
|
|
{
|
|
"name": "",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"payable": true,
|
|
"stateMutability": "payable",
|
|
"type": "function"
|
|
},
|
|
{
|
|
"constant": true,
|
|
"inputs": [
|
|
{
|
|
"name": "src",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "dest",
|
|
"type": "address"
|
|
},
|
|
{
|
|
"name": "srcAmt",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"name": "getExpectedRateSrcUniswap",
|
|
"outputs": [
|
|
{
|
|
"name": "",
|
|
"type": "uint256"
|
|
}
|
|
],
|
|
"payable": false,
|
|
"stateMutability": "view",
|
|
"type": "function"
|
|
},
|
|
{
|
|
"constant": true,
|
|
"inputs": [],
|
|
"name": "addressRegistry",
|
|
"outputs": [
|
|
{
|
|
"name": "",
|
|
"type": "address"
|
|
}
|
|
],
|
|
"payable": false,
|
|
"stateMutability": "view",
|
|
"type": "function"
|
|
}
|
|
],
|
|
"devdoc": {
|
|
"methods": {
|
|
"getExpectedRateDestUniswap(address,address,uint256)": {
|
|
"details": "Uniswap's get expected rate from dest",
|
|
"params": {
|
|
"dest": "- Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")",
|
|
"destAmt": "- dest token amount",
|
|
"src": "- Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")"
|
|
}
|
|
},
|
|
"getExpectedRateSrcUniswap(address,address,uint256)": {
|
|
"details": "Uniswap's get expected rate from source",
|
|
"params": {
|
|
"dest": "- Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")",
|
|
"src": "- Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")",
|
|
"srcAmt": "- source token amount"
|
|
}
|
|
},
|
|
"tradeDestUniswap(address,uint256,address,uint256,uint256)": {
|
|
"details": "Uniswap's trade when token to buy Amount fixed",
|
|
"params": {
|
|
"deadline": "- time for this transaction to be valid",
|
|
"dest": "- Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")",
|
|
"destAmt": "- amount of token to buy",
|
|
"maxSrcAmt": "- max amount of token for sell (slippage)",
|
|
"src": "- Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")"
|
|
}
|
|
},
|
|
"tradeSrcUniswap(address,uint256,address,uint256,uint256)": {
|
|
"details": "Uniswap's trade when token to sell Amount fixed",
|
|
"params": {
|
|
"deadline": "- time for this transaction to be valid",
|
|
"dest": "- Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")",
|
|
"minDestAmt": "- min amount of token to buy (slippage)",
|
|
"src": "- Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")",
|
|
"srcAmt": "- amount of token for sell"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
"sources": {
|
|
"Bin/UniswapTrade.sol": {
|
|
"id": 0
|
|
},
|
|
"openzeppelin-solidity/contracts/math/SafeMath.sol": {
|
|
"id": 6
|
|
},
|
|
"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol": {
|
|
"id": 7
|
|
}
|
|
},
|
|
"sourceCodes": {
|
|
"Bin/UniswapTrade.sol": "pragma solidity ^0.5.2;\n\nimport \"openzeppelin-solidity/contracts/math/SafeMath.sol\";\nimport \"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol\";\n\ninterface AddressRegistry {\n function getAddr(string calldata name) external view returns (address);\n}\n\n// Uniswap's factory Interface\ninterface UniswapFactory {\n // get exchange from token's address\n function getExchange(address token) external view returns (address exchange);\n}\n\n// Uniswap's exchange Interface\ninterface UniswapExchange {\n // Get Prices\n function getEthToTokenInputPrice(uint256 eth_sold) external view returns (uint256 tokens_bought);\n function getEthToTokenOutputPrice(uint256 tokens_bought) external view returns (uint256 eth_sold);\n function getTokenToEthInputPrice(uint256 tokens_sold) external view returns (uint256 eth_bought);\n function getTokenToEthOutputPrice(uint256 eth_bought) external view returns (uint256 tokens_sold);\n // Trade ETH to ERC20\n function ethToTokenTransferInput(uint256 min_tokens, uint256 deadline, address recipient)\n external\n payable\n returns (uint256 tokens_bought);\n function ethToTokenTransferOutput(uint256 tokens_bought, uint256 deadline, address recipient)\n external\n payable\n returns (uint256 eth_sold);\n // Trade ERC20 to ETH\n function tokenToEthTransferInput(uint256 tokens_sold, uint256 min_tokens, uint256 deadline, address recipient)\n external\n returns (uint256 eth_bought);\n function tokenToEthTransferOutput(uint256 eth_bought, uint256 max_tokens, uint256 deadline, address recipient)\n external\n returns (uint256 tokens_sold);\n // Trade ERC20 to ERC20\n function tokenToTokenTransferInput(\n uint256 tokens_sold,\n uint256 min_tokens_bought,\n uint256 min_eth_bought,\n uint256 deadline,\n address recipient,\n address token_addr\n ) external returns (uint256 tokens_bought);\n function tokenToTokenTransferOutput(\n uint256 tokens_bought,\n uint256 max_tokens_sold,\n uint256 max_eth_sold,\n uint256 deadline,\n address recipient,\n address token_addr\n ) external returns (uint256 tokens_sold);\n}\n\ncontract Registry {\n address public addressRegistry;\n modifier onlyAdmin() {\n require(msg.sender == getAddress(\"admin\"), \"Permission Denied\");\n _;\n }\n function getAddress(string memory name) internal view returns (address) {\n AddressRegistry addrReg = AddressRegistry(addressRegistry);\n return addrReg.getAddr(name);\n }\n}\n\ncontract UniswapTrade is Registry {\n using SafeMath for uint;\n\n // Get Uniswap's Exchange address from Factory Contract\n function _getExchangeAddress(address _token) internal view returns (address) {\n UniswapFactory uniswapMain = UniswapFactory(getAddress(\"uniswap\"));\n return uniswapMain.getExchange(_token);\n }\n\n // Check required ETH Quantity to execute code\n function _getToken(address trader, address src, uint srcAmt, address eth) internal returns (uint ethQty) {\n if (src == eth) {\n require(msg.value == srcAmt, \"Invalid Operation\");\n ethQty = srcAmt;\n } else {\n IERC20 tokenFunctions = IERC20(src);\n tokenFunctions.transferFrom(trader, address(this), srcAmt);\n ethQty = 0;\n }\n }\n\n /**\n * @dev Uniswap's get expected rate from source\n * @param src - Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param dest - Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param srcAmt - source token amount\n */\n function getExpectedRateSrcUniswap(address src, address dest, uint srcAmt) external view returns (uint256) {\n if (src == getAddress(\"eth\")) {\n // define uniswap exchange with dest address\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(dest));\n return exchangeContract.getEthToTokenInputPrice(srcAmt);\n } else if (dest == getAddress(\"eth\")) {\n // define uniswap exchange with src address\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));\n return exchangeContract.getTokenToEthInputPrice(srcAmt);\n } else {\n UniswapExchange exchangeContractSrc = UniswapExchange(_getExchangeAddress(src));\n UniswapExchange exchangeContractDest = UniswapExchange(_getExchangeAddress(dest));\n uint ethQty = exchangeContractSrc.getTokenToEthInputPrice(srcAmt);\n return exchangeContractDest.getEthToTokenInputPrice(ethQty);\n }\n }\n\n /**\n * @dev Uniswap's get expected rate from dest\n * @param src - Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param dest - Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param destAmt - dest token amount\n */\n function getExpectedRateDestUniswap(address src, address dest, uint destAmt) external view returns (uint256) {\n address eth = getAddress(\"eth\");\n if (src == eth) {\n // define uniswap exchange with dest address\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(dest));\n return exchangeContract.getEthToTokenOutputPrice(destAmt);\n } else if (dest == eth) {\n // define uniswap exchange with src address\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));\n return exchangeContract.getTokenToEthOutputPrice(destAmt);\n } else {\n UniswapExchange exchangeContractSrc = UniswapExchange(_getExchangeAddress(src));\n UniswapExchange exchangeContractDest = UniswapExchange(_getExchangeAddress(dest));\n uint ethQty = exchangeContractDest.getTokenToEthInputPrice(destAmt);\n return exchangeContractSrc.getEthToTokenInputPrice(ethQty);\n }\n }\n\n /**\n * @dev Uniswap's trade when token to sell Amount fixed\n * @param src - Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param srcAmt - amount of token for sell\n * @param dest - Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param minDestAmt - min amount of token to buy (slippage)\n * @param deadline - time for this transaction to be valid\n */\n function tradeSrcUniswap(address src, uint srcAmt, address dest, uint minDestAmt, uint deadline) public payable returns (uint) {\n address eth = getAddress(\"eth\");\n uint ethQty = _getToken(msg.sender, src, srcAmt, eth);\n\n if (src == eth) {\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(dest));\n uint tokensBought = exchangeContract.ethToTokenTransferInput.value(ethQty)(minDestAmt, deadline, msg.sender);\n return tokensBought;\n } else if (dest == eth) {\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));\n uint ethBought = exchangeContract.tokenToEthTransferInput(srcAmt, minDestAmt, deadline, msg.sender);\n return ethBought;\n } else {\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));\n uint tokensBought = exchangeContract.tokenToTokenTransferInput(srcAmt, minDestAmt, uint(0), deadline, msg.sender, dest);\n return tokensBought;\n }\n }\n\n /**\n * @dev Uniswap's trade when token to buy Amount fixed\n * @param src - Token address to sell (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param maxSrcAmt - max amount of token for sell (slippage)\n * @param dest - Token address to buy (for ETH it's \"0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\")\n * @param destAmt - amount of token to buy\n * @param deadline - time for this transaction to be valid\n */\n function tradeDestUniswap(address src, uint maxSrcAmt, address dest, uint destAmt, uint deadline) public payable returns (uint) {\n address eth = getAddress(\"eth\");\n uint ethQty = _getToken(msg.sender, src, maxSrcAmt, eth);\n\n if (src == eth) {\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(dest));\n uint ethSold = exchangeContract.ethToTokenTransferOutput.value(ethQty)(destAmt, deadline, msg.sender);\n if (ethSold < ethQty) {\n uint srcToReturn = ethQty - ethSold;\n msg.sender.transfer(srcToReturn);\n }\n return ethSold;\n } else if (dest == eth) {\n UniswapExchange exchangeContract = UniswapExchange(_getExchangeAddress(src));\n uint tokensSold = exchangeContract.tokenToEthTransferOutput(destAmt, maxSrcAmt, deadline, msg.sender);\n if (tokensSold < maxSrcAmt) {\n IERC20 srcTkn = IERC20(src);\n uint srcToReturn = maxSrcAmt - tokensSold;\n srcTkn.transfer(msg.sender, srcToReturn);\n }\n return tokensSold;\n } else {\n UniswapExchange exchangeContractSrc = UniswapExchange(_getExchangeAddress(src));\n uint tokensSold = exchangeContractSrc.tokenToTokenTransferOutput(destAmt, maxSrcAmt, uint(0 - 1), deadline, msg.sender, dest);\n if (tokensSold < maxSrcAmt) {\n IERC20 srcTkn = IERC20(src);\n uint srcToReturn = maxSrcAmt - tokensSold;\n srcTkn.transfer(msg.sender, srcToReturn);\n }\n return tokensSold;\n }\n\n }\n\n}\n",
|
|
"openzeppelin-solidity/contracts/math/SafeMath.sol": "pragma solidity ^0.5.2;\n\n/**\n * @title SafeMath\n * @dev Unsigned math operations with safety checks that revert on error\n */\nlibrary SafeMath {\n /**\n * @dev Multiplies two unsigned integers, reverts on overflow.\n */\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n // benefit is lost if 'b' is also tested.\n // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522\n if (a == 0) {\n return 0;\n }\n\n uint256 c = a * b;\n require(c / a == b);\n\n return c;\n }\n\n /**\n * @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.\n */\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\n // Solidity only automatically asserts when dividing by 0\n require(b > 0);\n uint256 c = a / b;\n // assert(a == b * c + a % b); // There is no case in which this doesn't hold\n\n return c;\n }\n\n /**\n * @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).\n */\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\n require(b <= a);\n uint256 c = a - b;\n\n return c;\n }\n\n /**\n * @dev Adds two unsigned integers, reverts on overflow.\n */\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\n uint256 c = a + b;\n require(c >= a);\n\n return c;\n }\n\n /**\n * @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),\n * reverts when dividing by zero.\n */\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\n require(b != 0);\n return a % b;\n }\n}\n",
|
|
"openzeppelin-solidity/contracts/token/ERC20/IERC20.sol": "pragma solidity ^0.5.2;\n\n/**\n * @title ERC20 interface\n * @dev see https://eips.ethereum.org/EIPS/eip-20\n */\ninterface IERC20 {\n function transfer(address to, uint256 value) external returns (bool);\n\n function approve(address spender, uint256 value) external returns (bool);\n\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n\n function totalSupply() external view returns (uint256);\n\n function balanceOf(address who) external view returns (uint256);\n\n function allowance(address owner, address spender) external view returns (uint256);\n\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n"
|
|
},
|
|
"sourceTreeHashHex": "0x3abc5fee2f31f9b33dfe99cbcc4bc6a736b4271f07b7cc83b116cc0d7529846e",
|
|
"compiler": {
|
|
"name": "solc",
|
|
"version": "soljson-v0.5.7+commit.6da8b019.js",
|
|
"settings": {
|
|
"optimizer": {
|
|
"enabled": false
|
|
},
|
|
"outputSelection": {
|
|
"*": {
|
|
"*": [
|
|
"abi",
|
|
"devdoc"
|
|
]
|
|
}
|
|
},
|
|
"remappings": [
|
|
"openzeppelin-solidity=/Users/ravindra/code/contract-v2/node_modules/openzeppelin-solidity"
|
|
]
|
|
}
|
|
},
|
|
"networks": {}
|
|
} |