fix(world): prevent initialising the world multiple times [L-05]

.changeset/neat-tools-check.md

@@ -0,0 +1,5 @@
+---
+"@latticexyz/world": patch
+---
+
+Added a table to track the `CoreModule` address the world was initialised with.

packages/world-modules/gas-report.json

@@ -3,85 +3,85 @@
     "file": "test/ERC20.t.sol",
     "test": "testApprove",
     "name": "approve",
-    "gasUsed": 114348
+    "gasUsed": 114354
   },
   {
     "file": "test/ERC20.t.sol",
     "test": "testBurn",
     "name": "burn",
-    "gasUsed": 75910
+    "gasUsed": 75916
   },
   {
     "file": "test/ERC20.t.sol",
     "test": "testMint",
     "name": "mint",
-    "gasUsed": 161749
+    "gasUsed": 161755
   },
   {
     "file": "test/ERC20.t.sol",
     "test": "testTransfer",
     "name": "transfer",
-    "gasUsed": 92995
+    "gasUsed": 93001
   },
   {
     "file": "test/ERC20.t.sol",
     "test": "testTransferFrom",
     "name": "transferFrom",
-    "gasUsed": 130331
+    "gasUsed": 130337
   },
   {
     "file": "test/ERC721.t.sol",
     "test": "testApproveAllGas",
     "name": "setApprovalForAll",
-    "gasUsed": 113972
+    "gasUsed": 113978
   },
   {
     "file": "test/ERC721.t.sol",
     "test": "testApproveGas",
     "name": "approve",
-    "gasUsed": 87981
+    "gasUsed": 87987
   },
   {
     "file": "test/ERC721.t.sol",
     "test": "testBurnGas",
     "name": "burn",
-    "gasUsed": 101910
+    "gasUsed": 101916
   },
   {
     "file": "test/ERC721.t.sol",
     "test": "testMintGas",
     "name": "mint",
-    "gasUsed": 169480
+    "gasUsed": 169486
   },
   {
     "file": "test/ERC721.t.sol",
     "test": "testSafeMintToEOAGas",
     "name": "safeMint",
-    "gasUsed": 169751
+    "gasUsed": 169757
   },
   {
     "file": "test/ERC721.t.sol",
     "test": "testSafeTransferFromToEOAGas",
     "name": "safeTransferFrom",
-    "gasUsed": 143744
+    "gasUsed": 143750
   },
   {
     "file": "test/ERC721.t.sol",
     "test": "testTransferFromGas",
     "name": "transferFrom",
-    "gasUsed": 136901
+    "gasUsed": 136907
   },
   {
     "file": "test/KeysInTableModule.t.sol",
     "test": "testInstallComposite",
     "name": "install keys in table module",
-    "gasUsed": 1439079
+    "gasUsed": 1439094
   },
   {
     "file": "test/KeysInTableModule.t.sol",
     "test": "testInstallGas",
     "name": "install keys in table module",
-    "gasUsed": 1439079
+    "gasUsed": 1439094
   },
   {
     "file": "test/KeysInTableModule.t.sol",
@@ -93,13 +93,13 @@
     "file": "test/KeysInTableModule.t.sol",
     "test": "testInstallSingleton",
     "name": "install keys in table module",
-    "gasUsed": 1439079
+    "gasUsed": 1439094
   },
   {
     "file": "test/KeysInTableModule.t.sol",
     "test": "testSetAndDeleteRecordHookCompositeGas",
     "name": "install keys in table module",
-    "gasUsed": 1439079
+    "gasUsed": 1439094
   },
   {
     "file": "test/KeysInTableModule.t.sol",
@@ -117,7 +117,7 @@
     "file": "test/KeysInTableModule.t.sol",
     "test": "testSetAndDeleteRecordHookGas",
     "name": "install keys in table module",
-    "gasUsed": 1439079
+    "gasUsed": 1439094
   },
   {
     "file": "test/KeysInTableModule.t.sol",
@@ -135,7 +135,7 @@
     "file": "test/KeysWithValueModule.t.sol",
     "test": "testGetKeysWithValueGas",
     "name": "install keys with value module",
-    "gasUsed": 684459
+    "gasUsed": 684471
   },
   {
     "file": "test/KeysWithValueModule.t.sol",
@@ -153,7 +153,7 @@
     "file": "test/KeysWithValueModule.t.sol",
     "test": "testInstall",
     "name": "install keys with value module",
-    "gasUsed": 684459
+    "gasUsed": 684471
   },
   {
     "file": "test/KeysWithValueModule.t.sol",
@@ -165,7 +165,7 @@
     "file": "test/KeysWithValueModule.t.sol",
     "test": "testSetAndDeleteRecordHook",
     "name": "install keys with value module",
-    "gasUsed": 684459
+    "gasUsed": 684471
   },
   {
     "file": "test/KeysWithValueModule.t.sol",
@@ -183,7 +183,7 @@
     "file": "test/KeysWithValueModule.t.sol",
     "test": "testSetField",
     "name": "install keys with value module",
-    "gasUsed": 684459
+    "gasUsed": 684471
   },
   {
     "file": "test/KeysWithValueModule.t.sol",
@@ -267,60 +267,60 @@
     "file": "test/StandardDelegationsModule.t.sol",
     "test": "testCallFromCallboundDelegation",
     "name": "register a callbound delegation",
-    "gasUsed": 118198
+    "gasUsed": 118201
   },
   {
     "file": "test/StandardDelegationsModule.t.sol",
     "test": "testCallFromCallboundDelegation",
     "name": "call a system via a callbound delegation",
-    "gasUsed": 36679
+    "gasUsed": 36685
   },
   {
     "file": "test/StandardDelegationsModule.t.sol",
     "test": "testCallFromSystemDelegation",
     "name": "register a systembound delegation",
-    "gasUsed": 115751
+    "gasUsed": 115754
   },
   {
     "file": "test/StandardDelegationsModule.t.sol",
     "test": "testCallFromSystemDelegation",
     "name": "call a system via a systembound delegation",
-    "gasUsed": 33851
+    "gasUsed": 33857
   },
   {
     "file": "test/StandardDelegationsModule.t.sol",
     "test": "testCallFromTimeboundDelegation",
     "name": "register a timebound delegation",
-    "gasUsed": 112674
+    "gasUsed": 112677
   },
   {
     "file": "test/StandardDelegationsModule.t.sol",
     "test": "testCallFromTimeboundDelegation",
     "name": "call a system via a timebound delegation",
-    "gasUsed": 26797
+    "gasUsed": 26803
   },
   {
     "file": "test/UniqueEntityModule.t.sol",
     "test": "testInstall",
     "name": "install unique entity module",
-    "gasUsed": 704219
+    "gasUsed": 704234
   },
   {
     "file": "test/UniqueEntityModule.t.sol",
     "test": "testInstall",
     "name": "get a unique entity nonce (non-root module)",
-    "gasUsed": 50365
+    "gasUsed": 50368
   },
   {
     "file": "test/UniqueEntityModule.t.sol",
     "test": "testInstallRoot",
     "name": "installRoot unique entity module",
-    "gasUsed": 673145
+    "gasUsed": 673154
   },
   {
     "file": "test/UniqueEntityModule.t.sol",
     "test": "testInstallRoot",
     "name": "get a unique entity nonce (root module)",
-    "gasUsed": 50368
+    "gasUsed": 50371
   }
 ]

packages/world/gas-report.json

@@ -45,49 +45,49 @@
     "file": "test/BatchCall.t.sol",
     "test": "testBatchCallFromReturnData",
     "name": "call systems with batchCallFrom",
-    "gasUsed": 52611
+    "gasUsed": 52620
   },
   {
     "file": "test/BatchCall.t.sol",
     "test": "testBatchCallReturnData",
     "name": "call systems with batchCall",
-    "gasUsed": 51457
+    "gasUsed": 51466
   },
   {
     "file": "test/Factories.t.sol",
     "test": "testCreate2Factory",
     "name": "deploy contract via Create2",
-    "gasUsed": 4659744
+    "gasUsed": 4759984
   },
   {
     "file": "test/Factories.t.sol",
     "test": "testWorldFactory",
     "name": "deploy world via WorldFactory",
-    "gasUsed": 12642949
+    "gasUsed": 13039359
   },
   {
     "file": "test/World.t.sol",
     "test": "testCall",
     "name": "call a system via the World",
-    "gasUsed": 12361
+    "gasUsed": 12364
   },
   {
     "file": "test/World.t.sol",
     "test": "testCallFromNamespaceDelegation",
     "name": "call a system via a namespace fallback delegation",
-    "gasUsed": 26131
+    "gasUsed": 26137
   },
   {
     "file": "test/World.t.sol",
     "test": "testCallFromUnlimitedDelegation",
     "name": "register an unlimited delegation",
-    "gasUsed": 47607
+    "gasUsed": 47610
   },
   {
     "file": "test/World.t.sol",
     "test": "testCallFromUnlimitedDelegation",
     "name": "call a system via an unlimited delegation",
-    "gasUsed": 12797
+    "gasUsed": 12800
   },
   {
     "file": "test/World.t.sol",
@@ -105,37 +105,37 @@
     "file": "test/World.t.sol",
     "test": "testRegisterFunctionSelector",
     "name": "Register a function selector",
-    "gasUsed": 84542
+    "gasUsed": 84545
   },
   {
     "file": "test/World.t.sol",
     "test": "testRegisterNamespace",
     "name": "Register a new namespace",
-    "gasUsed": 120969
+    "gasUsed": 120972
   },
   {
     "file": "test/World.t.sol",
     "test": "testRegisterRootFunctionSelector",
     "name": "Register a root function selector",
-    "gasUsed": 80445
+    "gasUsed": 80448
   },
   {
     "file": "test/World.t.sol",
     "test": "testRegisterSystem",
     "name": "register a system",
-    "gasUsed": 164363
+    "gasUsed": 164366
   },
   {
     "file": "test/World.t.sol",
     "test": "testRegisterTable",
     "name": "Register a new table in the namespace",
-    "gasUsed": 536881
+    "gasUsed": 536884
   },
   {
     "file": "test/World.t.sol",
     "test": "testRenounceNamespace",
     "name": "Renounce namespace ownership",
-    "gasUsed": 36773
+    "gasUsed": 36776
   },
   {
     "file": "test/World.t.sol",
@@ -153,13 +153,13 @@
     "file": "test/World.t.sol",
     "test": "testUnregisterNamespaceDelegation",
     "name": "unregister a namespace delegation",
-    "gasUsed": 28360
+    "gasUsed": 28363
   },
   {
     "file": "test/World.t.sol",
     "test": "testUnregisterUnlimitedDelegation",
     "name": "unregister an unlimited delegation",
-    "gasUsed": 26255
+    "gasUsed": 26258
   },
   {
     "file": "test/WorldDynamicUpdate.t.sol",

packages/world/mud.config.ts

@@ -103,6 +103,10 @@ export default mudConfig({
       },
       offchainOnly: true,
     },
+    CoreModuleAddress: {
+      keySchema: {},
+      valueSchema: "address",
+    },
   },
   excludeSystems: [
     // Worldgen currently does not support systems inheriting logic

packages/world/src/World.sol

@@ -19,6 +19,7 @@ import { requireInterface } from "./requireInterface.sol";
 import { InstalledModules } from "./codegen/tables/InstalledModules.sol";
 import { UserDelegationControl } from "./codegen/tables/UserDelegationControl.sol";
 import { NamespaceDelegationControl } from "./codegen/tables/NamespaceDelegationControl.sol";
+import { CoreModuleAddress } from "./codegen/tables/CoreModuleAddress.sol";
 
 import { IModule, IModule } from "./IModule.sol";
 import { IWorldKernel } from "./IWorldKernel.sol";
@@ -71,10 +72,12 @@ contract World is StoreData, IWorldKernel {
     }
 
     // The World can only be initialized once
-    if (InstalledModules._get(CORE_MODULE_NAME, keccak256("")) != address(0)) {
+    if (CoreModuleAddress.get() != address(0)) {
       revert World_AlreadyInitialized();
     }
 
+    CoreModuleAddress.set(address(coreModule));
+
     // Initialize the World by installing the core module
     _installRootModule(coreModule, new bytes(0));
   }