removed PriceConstraint and implemented LineConstraint; MockDeploy copied/separated from Deploy

script/DeployMock.sol

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity >=0.8.0;
+
+import "forge-std/Script.sol";
+import "forge-std/console2.sol";
+import "../src/QueryHelper.sol";
+import "../src/Factory.sol";
+import "../src/Dexorder.sol";
+import "../test/MockEnv.sol";
+
+contract DeployMock is Script {
+    function run() external {
+        uint256 deployerPrivateKey = vm.envUint("PRIVATE_KEY");
+        vm.startBroadcast(deployerPrivateKey);
+        // hardhat often breaks on the CREATE2 so we disable it for mock
+        //        Factory deployer = new Factory{salt:keccak256(abi.encode(1))}(); // version 1
+        Factory deployer = new Factory();
+        QueryHelper query = new QueryHelper();
+        Dexorder dexorder = new Dexorder();
+        MockEnv mock = new MockEnv();
+        vm.stopBroadcast();
+        console2.log('Factory');
+        console2.log(address(deployer));
+        console2.log('QueryHelper');
+        console2.log(address(query));
+        console2.log('Dexorder');
+        console2.log(address(dexorder));
+        console2.log('MockEnv');
+        console2.log(address(mock));
+    }
+}