vault deployment, query helper, bug fixes

src/VaultAddress.sol

@@ -9,20 +9,24 @@ library VaultAddress {
     // keccak-256 hash of the Vault's bytecode (not the deployed bytecode but the initialization bytecode)
     // can paste into:
     // https://emn178.github.io/online-tools/keccak_256.html
-    bytes32 internal constant VAULT_INIT_CODE_HASH = 0xbf043f7035d5aa3be2b3c94df5b256fbe24675689327af4ab71c48194c463031;
+    bytes32 internal constant VAULT_INIT_CODE_HASH = 0xdc7f6d1305b2c9951dc98f6a745290e4f2b92bf65d346db11dd284dcfcd67aef;
 
     // 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) {
         vault = address(
             uint256(
                 keccak256(
                     abi.encodePacked(
                         hex'ff',
                         factory,
-                        keccak256(abi.encode(owner)),
+                        keccak256(abi.encode(owner,num)),
                         VAULT_INIT_CODE_HASH
                     )
                 )