pragma solidity ^0.4.24; import "../lib/IPriceOracle.sol"; contract PriceOracleMock is IPriceOracle { uint256 public requestTokenPriceInStableToken; constructor(uint256 _requestTokenPriceInStableToken) public { requestTokenPriceInStableToken = _requestTokenPriceInStableToken; } function consult(address tokenIn, uint256 amountIn, address tokenOut) external view returns (uint256 amountOut) { return amountIn / requestTokenPriceInStableToken; } }