refactor: remove safe dep, add precompiles

package.json

@@ -33,7 +33,6 @@
     "@prb/math": "^4.1.0",
     "@rhinestone/erc4337-validation": "^0.0.4",
     "@rhinestone/sentinellist": "github:rhinestonewtf/sentinellist",
-    "@safe-global/safe-contracts": "^1.4.1",
     "ds-test": "github:dapphub/ds-test",
     "excessively-safe-call": "github:nomad-xyz/ExcessivelySafeCall",
     "forge-std": "github:foundry-rs/forge-std",

remappings.txt

@@ -4,7 +4,6 @@ account-abstraction/=node_modules/@ERC4337/account-abstraction/contracts/
 account-abstraction-v0.6/=node_modules/@ERC4337/account-abstraction-v0.6/contracts/
 modulekit/=node_modules/@rhinestone/modulekit/src/
 @openzeppelin/=node_modules/@openzeppelin/
-@safe-global/=node_modules/@safe-global/
 ds-test/=node_modules/ds-test/src/
 forge-std/=node_modules/forge-std/src/
 solady/=node_modules/solady/src/

src/accounts/safe/SafeFactory.sol

@@ -7,12 +7,7 @@ import {
     ISafe7579Launchpad, ModuleInit
 } from "../../accounts/safe/interfaces/ISafe7579Launchpad.sol";
 import { IAccountFactory } from "../../accounts/factory/interface/IAccountFactory.sol";
-
-// External dependencies
-import { Safe } from "@safe-global/safe-contracts/contracts/Safe.sol";
-import { SafeProxy } from "@safe-global/safe-contracts/contracts/proxies/SafeProxy.sol";
-import { SafeProxyFactory } from
-    "@safe-global/safe-contracts/contracts/proxies/SafeProxyFactory.sol";
+import { ISafeProxyFactory } from "./interfaces/ISafeProxyFactory.sol";
 
 // Utils
 import { ENTRYPOINT_ADDR } from "../../deployment/predeploy/EntryPoint.sol";
@@ -27,14 +22,14 @@ contract SafeFactory is IAccountFactory, Safe7579Precompiles {
     // singletons
     ISafe7579 internal safe7579;
     ISafe7579Launchpad internal launchpad;
-    Safe internal safeSingleton;
-    SafeProxyFactory internal safeProxyFactory;
+    address internal safeSingleton;
+    ISafeProxyFactory internal safeProxyFactory;
 
     function init() public override {
         safe7579 = deploySafe7579();
         launchpad = deploySafe7579Launchpad(ENTRYPOINT_ADDR, REGISTRY_ADDR);
-        safeSingleton = new Safe();
-        safeProxyFactory = new SafeProxyFactory();
+        safeSingleton = deploySafeSingleton();
+        safeProxyFactory = deploySafeProxyFactory();
     }
 
     function createAccount(
@@ -78,7 +73,7 @@ contract SafeFactory is IAccountFactory, Safe7579Precompiles {
         return launchpad.predictSafeAddress({
             singleton: address(launchpad),
             safeProxyFactory: address(safeProxyFactory),
-            creationCode: type(SafeProxy).creationCode,
+            creationCode: SAFE_PROXY_BYTECODE,
             salt: salt,
             factoryInitializer: factoryInitializer
         });

src/accounts/safe/interfaces/ISafeProxyFactory.sol

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+pragma solidity >=0.7.0 <0.9.0;
+
+interface ISafeProxyFactory {
+    function proxyCreationCode() external pure returns (bytes memory);
+
+    function createProxyWithNonce(
+        address _singleton,
+        bytes memory initializer,
+        uint256 saltNonce
+    )
+        external
+        returns (address proxy);
+
+    function createChainSpecificProxyWithNonce(
+        address _singleton,
+        bytes memory initializer,
+        uint256 saltNonce
+    )
+        external
+        returns (address proxy);
+
+    function createProxyWithCallback(
+        address _singleton,
+        bytes memory initializer,
+        uint256 saltNonce,
+        address callback
+    )
+        external
+        returns (address proxy);
+
+    function getChainId() external view returns (uint256);
+}