pragma solidity ^0.7.0; contract Events { event LogNewPositionMint( uint256 indexed tokenId, uint256 amtA, uint256 amtB, uint256 liquidity ); event LogAddLiquidity( uint256 indexed tokenId, uint256 amtA, uint256 amtB, uint256 liquidity ); event LogDecreaseLiquidity( uint256 indexed tokenId, uint256 liquidity, uint256 amtA, uint256 amtB ); event swap( address indexed tokenIn, address indexed tokenOut, uint256 amtIn, uint256 amtOut ); }