Instadapp/smart-contract
1
0
Fork 0
mirror of https://github.com/Instadapp/smart-contract.git synced 2024-07-29 22:08:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

uniswap integration in process

Browse Source
This commit is contained in:
Samyak 2019-03-17 16:26:42 +05:30
parent e26d632344
commit 01d82a3a75
4 changed files with 137 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
contracts/ProxyLogics/kyber.sol
View File

@ -1,23 +1,7 @@
pragma solidity 0.5.0;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "Assertion Failed");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "Assertion Failed");
uint256 c = a / b;
return c;
}
}
import "./safemath.sol";
interface IERC20 {
function balanceOf(address who) external view returns (uint256);
@ -60,8 +44,8 @@ contract Registry {
contract Trade is Registry {
using SafeMath for uint;
using SafeMath for uint256;
event KyberTrade(address src, uint srcAmt, address dest, uint destAmt, address beneficiary, uint minConversionRate, address affiliate);

32
contracts/ProxyLogics/safemath.sol Normal file
View File

@ -0,0 +1,32 @@
pragma solidity 0.5.0;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "Assertion Failed");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "Assertion Failed");
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}

74
contracts/ProxyLogics/uniswap.sol Normal file
View File

@ -0,0 +1,74 @@
pragma solidity 0.5.0;
import "./safemath.sol";
interface IERC20 {
function balanceOf(address who) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
interface AddressRegistry {
function getAddr(string calldata name) external view returns (address);
}
interface UniswapFactoryInterface {
// Get Exchange and Token Info
function getExchange(address token) external view returns (address exchange);
function getToken(address exchange) external view returns (address token);
}
// Solidity Interface
interface UniswapExchange {
// Address of ERC20 token sold on this exchange
function tokenAddress() external view returns (address token);
// Address of Uniswap Factory
function factoryAddress() external view returns (address factory);
// Get Prices
function getEthToTokenInputPrice(uint256 eth_sold) external view returns (uint256 tokens_bought);
function getEthToTokenOutputPrice(uint256 tokens_bought) external view returns (uint256 eth_sold);
function getTokenToEthInputPrice(uint256 tokens_sold) external view returns (uint256 eth_bought);
function getTokenToEthOutputPrice(uint256 eth_bought) external view returns (uint256 tokens_sold);
// Trade ETH to ERC20
function ethToTokenSwapInput(uint256 min_tokens, uint256 deadline) external payable returns (uint256 tokens_bought);
function ethToTokenTransferInput(uint256 min_tokens, uint256 deadline, address recipient) external payable returns (uint256 tokens_bought);
function ethToTokenSwapOutput(uint256 tokens_bought, uint256 deadline) external payable returns (uint256 eth_sold);
function ethToTokenTransferOutput(uint256 tokens_bought, uint256 deadline, address recipient) external payable returns (uint256 eth_sold);
// Trade ERC20 to ETH
function tokenToEthSwapInput(uint256 tokens_sold, uint256 min_eth, uint256 deadline) external returns (uint256 eth_bought);
function tokenToEthTransferInput(uint256 tokens_sold, uint256 min_tokens, uint256 deadline, address recipient) external returns (uint256 eth_bought);
function tokenToEthSwapOutput(uint256 eth_bought, uint256 max_tokens, uint256 deadline) external returns (uint256 tokens_sold);
function tokenToEthTransferOutput(uint256 eth_bought, uint256 max_tokens, uint256 deadline, address recipient) external returns (uint256 tokens_sold);
// Trade ERC20 to ERC20
function tokenToTokenSwapInput(uint256 tokens_sold, uint256 min_tokens_bought, uint256 min_eth_bought, uint256 deadline, address token_addr) external returns (uint256 tokens_bought);
function tokenToTokenTransferInput(uint256 tokens_sold, uint256 min_tokens_bought, uint256 min_eth_bought, uint256 deadline, address recipient, address token_addr) external returns (uint256 tokens_bought);
function tokenToTokenSwapOutput(uint256 tokens_bought, uint256 max_tokens_sold, uint256 max_eth_sold, uint256 deadline, address token_addr) external returns (uint256 tokens_sold);
function tokenToTokenTransferOutput(uint256 tokens_bought, uint256 max_tokens_sold, uint256 max_eth_sold, uint256 deadline, address recipient, address token_addr) external returns (uint256 tokens_sold);
// Trade ERC20 to Custom Pool
function tokenToExchangeSwapInput(uint256 tokens_sold, uint256 min_tokens_bought, uint256 min_eth_bought, uint256 deadline, address exchange_addr) external returns (uint256 tokens_bought);
function tokenToExchangeTransferInput(uint256 tokens_sold, uint256 min_tokens_bought, uint256 min_eth_bought, uint256 deadline, address recipient, address exchange_addr) external returns (uint256 tokens_bought);
function tokenToExchangeSwapOutput(uint256 tokens_bought, uint256 max_tokens_sold, uint256 max_eth_sold, uint256 deadline, address exchange_addr) external returns (uint256 tokens_sold);
function tokenToExchangeTransferOutput(uint256 tokens_bought, uint256 max_tokens_sold, uint256 max_eth_sold, uint256 deadline, address recipient, address exchange_addr) external returns (uint256 tokens_sold);
}
contract Registry {
address public addressRegistry;
modifier onlyAdmin() {
require(msg.sender == getAddress("admin"), "Permission Denied");
_;
}
function getAddress(string memory name) internal view returns (address) {
AddressRegistry addrReg = AddressRegistry(addressRegistry);
return addrReg.getAddr(name);
}
}
contract Trade is Registry {
using SafeMath for uint;
}

29
contracts/ProxyLogics/uniswapPool.sol Normal file
View File

@ -0,0 +1,29 @@
pragma solidity 0.5.0;
interface UniswapFactoryInterface {
// Get Exchange and Token Info
function getExchange(address token) external view returns (address exchange);
function getToken(address exchange) external view returns (address token);
}
// Solidity Interface
interface UniswapPool {
// Address of ERC20 token sold on this exchange
function tokenAddress() external view returns (address token);
// Address of Uniswap Factory
function factoryAddress() external view returns (address factory);
// Provide Liquidity
function addLiquidity(uint256 min_liquidity, uint256 max_tokens, uint256 deadline) external payable returns (uint256);
function removeLiquidity(uint256 amount, uint256 min_eth, uint256 min_tokens, uint256 deadline) external returns (uint256, uint256);
// ERC20 comaptibility for liquidity tokens
function name() external returns (bytes32);
function symbol() external returns (bytes32);
function decimals() external returns (uint256);
function transfer(address _to, uint256 _value) external returns (bool);
function transferFrom(address _from, address _to, uint256 value) external returns (bool);
function approve(address _spender, uint256 _value) external returns (bool);
function allowance(address _owner, address _spender) external view returns (uint256);
function balanceOf(address _owner) external view returns (uint256);
}