Fix .gitignore: stop tracking ignored files

2026-05-26 19:26:33 +00:00 · 2025-07-27 10:39:02 +05:30
parent b42747e9a3
commit 3a87ef0576
625 changed files with 88566 additions and 63 deletions
@@ -0,0 +1,165 @@
+import "helpers/helpers.spec"
+
+methods {
+    // initialize, reinitialize, disable
+    initialize()        envfree
+    reinitialize(uint8) envfree
+    disable()           envfree
+
+    nested_init_init()            envfree
+    nested_init_reinit(uint8)       envfree
+    nested_reinit_init(uint8)       envfree
+    nested_reinit_reinit(uint8,uint8) envfree
+
+    // view
+    version()      returns uint8 envfree
+    initializing() returns bool  envfree
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Definitions                                                                                                         │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+definition isUninitialized() returns bool = version() == 0;
+definition isInitialized()   returns bool = version() > 0;
+definition isDisabled()      returns bool = version() == 255;
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Invariant: A contract must only ever be in an initializing state while in the middle of a transaction execution.    │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+invariant notInitializing()
+    !initializing()
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: The version cannot decrease & disable state is irrevocable.                                                   │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule increasingVersion(env e) {
+    uint8 versionBefore = version();
+    bool disabledBefore = isDisabled();
+
+    method f; calldataarg args;
+    f(e, args);
+
+    assert versionBefore <= version(), "_initialized must only increase";
+    assert disabledBefore => isDisabled(), "a disabled initializer must stay disabled";
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: Cannot initialize a contract that is already initialized.                                                     │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule cannotInitializeTwice() {
+    require isInitialized();
+
+    initialize@withrevert();
+
+    assert lastReverted, "contract must only be initialized once";
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: Cannot initialize once disabled.                                                                              │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule cannotInitializeOnceDisabled() {
+    require isDisabled();
+
+    initialize@withrevert();
+
+    assert lastReverted, "contract is disabled";
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: Cannot reinitialize once disabled.                                                                            │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule cannotReinitializeOnceDisabled() {
+    require isDisabled();
+
+    uint8 n;
+    reinitialize@withrevert(n);
+
+    assert lastReverted, "contract is disabled";
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: Cannot nest initializers (after construction).                                                                │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule cannotNestInitializers_init_init() {
+    nested_init_init@withrevert();
+    assert lastReverted, "nested initializers";
+}
+
+rule cannotNestInitializers_init_reinit(uint8 m) {
+    nested_init_reinit@withrevert(m);
+    assert lastReverted, "nested initializers";
+}
+
+rule cannotNestInitializers_reinit_init(uint8 n) {
+    nested_reinit_init@withrevert(n);
+    assert lastReverted, "nested initializers";
+}
+
+rule cannotNestInitializers_reinit_reinit(uint8 n, uint8 m) {
+    nested_reinit_reinit@withrevert(n, m);
+    assert lastReverted, "nested initializers";
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: Initialize correctly sets the version.                                                                        │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule initializeEffects() {
+    requireInvariant notInitializing();
+
+    bool isUninitializedBefore = isUninitialized();
+
+    initialize@withrevert();
+    bool success = !lastReverted;
+
+    assert success <=> isUninitializedBefore, "can only initialize uninitialized contracts";
+    assert success => version() == 1,         "initialize must set version() to 1";
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: Reinitialize correctly sets the version.                                                                      │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule reinitializeEffects() {
+    requireInvariant notInitializing();
+
+    uint8 versionBefore = version();
+
+    uint8 n;
+    reinitialize@withrevert(n);
+    bool success = !lastReverted;
+
+    assert success <=> versionBefore < n, "can only reinitialize to a latter versions";
+    assert success => version() == n,     "reinitialize must set version() to n";
+}
+
+/*
+┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ Rule: Can disable.                                                                                                  │
+└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
+*/
+rule disableEffect() {
+    requireInvariant notInitializing();
+
+    disable@withrevert();
+    bool success = !lastReverted;
+
+    assert success,      "call to _disableInitializers failed";
+    assert isDisabled(), "disable state not set";
+}