feat!: just in time flags fix and epoch based storage flags

Cargo.toml

@@ -10,5 +10,6 @@ members = [
     "visualize",
     "path",
     "grovedbg-types",
-    "grovedb-version"
+    "grovedb-version",
+    "grovedb-epoch-based-storage-flags"
 ]

costs/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "grovedb-costs"
-version = "1.0.0"
+version = "1.1.0"
 edition = "2021"
 license = "MIT"
 description = "Costs extension crate for GroveDB"

grovedb-epoch-based-storage-flags/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "grovedb-epoch-based-storage-flags"
+authors = ["Samuel Westrich <[email protected]>"]
+description = "Epoch based storage flags for GroveDB"
+version = "1.1.0"
+edition = "2021"
+
+[dependencies]
+thiserror = { version = "1.0.63" }
+grovedb-costs = { version = "1.1.0", path = "../costs" }
+intmap = { version = "2.0.0", features = ["serde"]}
+integer-encoding = { version = "4.0.0" }
+hex = { version = "0.4.3" }

grovedb-epoch-based-storage-flags/src/error.rs

@@ -0,0 +1,45 @@
+/// Storage flag errors
+#[derive(Debug, thiserror::Error)]
+pub enum StorageFlagsError {
+    /// Error
+    #[error("deserialize unknown storage flags type error: {0}")]
+    DeserializeUnknownStorageFlagsType(String),
+    /// Error
+    #[error("storage flags wrong size error: {0}")]
+    StorageFlagsWrongSize(String),
+    /// Error
+    #[error("removing at epoch with no associated storage error: {0}")]
+    RemovingAtEpochWithNoAssociatedStorage(String),
+    /// Error
+    #[error("storage flags overflow error: {0}")]
+    StorageFlagsOverflow(String),
+    /// Error
+    #[error("removing flags error: {0}")]
+    RemovingFlagsError(String),
+    /// Error
+    #[error("merging storage flags from different owners error: {0}")]
+    MergingStorageFlagsFromDifferentOwners(String),
+    /// Error
+    #[error("merging storage flags with different base epoch: {0}")]
+    MergingStorageFlagsWithDifferentBaseEpoch(String),
+}
+
+impl StorageFlagsError {
+    /// Gets a mutable reference to the inner string of the error variant
+    pub(crate) fn get_mut_info(&mut self) -> &mut String {
+        match self {
+            StorageFlagsError::DeserializeUnknownStorageFlagsType(ref mut msg)
+            | StorageFlagsError::StorageFlagsWrongSize(ref mut msg)
+            | StorageFlagsError::RemovingAtEpochWithNoAssociatedStorage(ref mut msg)
+            | StorageFlagsError::StorageFlagsOverflow(ref mut msg)
+            | StorageFlagsError::RemovingFlagsError(ref mut msg)
+            | StorageFlagsError::MergingStorageFlagsFromDifferentOwners(ref mut msg)
+            | StorageFlagsError::MergingStorageFlagsWithDifferentBaseEpoch(ref mut msg) => msg,
+        }
+    }
+
+    /// adds info to the storage flags error
+    pub(crate) fn add_info(&mut self, info: &str) {
+        self.get_mut_info().push_str(format!(": {}", info).as_str());
+    }
+}