dexorder

src/more/VaultAddress.sol

@@ -0,0 +1,34 @@
+
+pragma solidity 0.8.26;
+
+import "@forge-std/console2.sol";
+
+
+library VaultAddress {
+    // keccak-256 hash of the Vault's bytecode (not the deployed bytecode but the initialization bytecode)
+    bytes32 public constant VAULT_INIT_CODE_HASH = 0xada4cd6b4cbd10f5eb48a27bde34a08fc1427562cff58ab798def9b1883d3f8a;
+
+    // the contract being constructed must not have any constructor arguments or the determinism will be broken.
+    // instead, use a callback to get construction arguments
+    // Uniswap example
+    // https://github.com/Uniswap/v3-periphery/blob/6cce88e63e176af1ddb6cc56e029110289622317/contracts/libraries/PoolAddress.sol#L33C5-L47C6
+    function computeAddress(address factory, address owner) internal pure returns (address vault) {
+        return computeAddress(factory, owner, 0);
+    }
+
+    function computeAddress(address factory, address owner, uint8 num) internal pure returns (address vault) {
+        bytes32 salt = keccak256(abi.encodePacked(owner,num));
+        vault = address(uint160(
+            uint256(
+                keccak256(
+                    abi.encodePacked(
+                        hex'ff',
+                        factory,
+                        salt,
+                        VAULT_INIT_CODE_HASH
+                    )
+                )
+            )
+        ));
+    }
+}