feat: Rebrand Polkadot/Substrate references to PezkuwiChain

This commit systematically rebrands various references from Parity Technologies'
Polkadot/Substrate ecosystem to PezkuwiChain within the kurdistan-sdk.

Key changes include:
- Updated external repository URLs (zombienet-sdk, parity-db, parity-scale-codec, wasm-instrument) to point to pezkuwichain forks.
- Modified internal documentation and code comments to reflect PezkuwiChain naming and structure.
- Replaced direct references to  with  or specific paths within the  for XCM, Pezkuwi, and other modules.
- Cleaned up deprecated  issue and PR references in various  and  files, particularly in  and  modules.
- Adjusted image and logo URLs in documentation to point to PezkuwiChain assets.
- Removed or rephrased comments related to external Polkadot/Substrate PRs and issues.

This is a significant step towards fully customizing the SDK for the PezkuwiChain ecosystem.

bizinikiwi/primitives/database/src/kvdb.rs

@@ -0,0 +1,118 @@
+// This file is part of Bizinikiwi.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/// A wrapper around `kvdb::Database` that implements `pezsp_database::Database` trait
+use ::kvdb::{DBTransaction, KeyValueDB};
+
+use crate::{error, Change, ColumnId, Database, Transaction};
+
+struct DbAdapter<D: KeyValueDB + 'static>(D);
+
+fn handle_err<T>(result: std::io::Result<T>) -> T {
+	match result {
+		Ok(r) => r,
+		Err(e) => {
+			panic!("Critical database error: {:?}", e);
+		},
+	}
+}
+
+/// Wrap RocksDb database into a trait object that implements `pezsp_database::Database`
+pub fn as_database<D, H>(db: D) -> std::sync::Arc<dyn Database<H>>
+where
+	D: KeyValueDB + 'static,
+	H: Clone + AsRef<[u8]>,
+{
+	std::sync::Arc::new(DbAdapter(db))
+}
+
+impl<D: KeyValueDB> DbAdapter<D> {
+	// Returns counter key and counter value if it exists.
+	fn read_counter(&self, col: ColumnId, key: &[u8]) -> error::Result<(Vec<u8>, Option<u32>)> {
+		// Add a key suffix for the counter
+		let mut counter_key = key.to_vec();
+		counter_key.push(0);
+		Ok(match self.0.get(col, &counter_key).map_err(|e| error::DatabaseError(Box::new(e)))? {
+			Some(data) => {
+				let mut counter_data = [0; 4];
+				if data.len() != 4 {
+					return Err(error::DatabaseError(Box::new(std::io::Error::new(
+						std::io::ErrorKind::Other,
+						format!("Unexpected counter len {}", data.len()),
+					))));
+				}
+				counter_data.copy_from_slice(&data);
+				let counter = u32::from_le_bytes(counter_data);
+				(counter_key, Some(counter))
+			},
+			None => (counter_key, None),
+		})
+	}
+}
+
+impl<D: KeyValueDB, H: Clone + AsRef<[u8]>> Database<H> for DbAdapter<D> {
+	fn commit(&self, transaction: Transaction<H>) -> error::Result<()> {
+		let mut tx = DBTransaction::new();
+		for change in transaction.0.into_iter() {
+			match change {
+				Change::Set(col, key, value) => tx.put_vec(col, &key, value),
+				Change::Remove(col, key) => tx.delete(col, &key),
+				Change::Store(col, key, value) => match self.read_counter(col, key.as_ref())? {
+					(counter_key, Some(mut counter)) => {
+						counter += 1;
+						tx.put(col, &counter_key, &counter.to_le_bytes());
+					},
+					(counter_key, None) => {
+						let d = 1u32.to_le_bytes();
+						tx.put(col, &counter_key, &d);
+						tx.put_vec(col, key.as_ref(), value);
+					},
+				},
+				Change::Reference(col, key) => {
+					if let (counter_key, Some(mut counter)) =
+						self.read_counter(col, key.as_ref())?
+					{
+						counter += 1;
+						tx.put(col, &counter_key, &counter.to_le_bytes());
+					}
+				},
+				Change::Release(col, key) => {
+					if let (counter_key, Some(mut counter)) =
+						self.read_counter(col, key.as_ref())?
+					{
+						counter -= 1;
+						if counter == 0 {
+							tx.delete(col, &counter_key);
+							tx.delete(col, key.as_ref());
+						} else {
+							tx.put(col, &counter_key, &counter.to_le_bytes());
+						}
+					}
+				},
+			}
+		}
+		self.0.write(tx).map_err(|e| error::DatabaseError(Box::new(e)))
+	}
+
+	fn get(&self, col: ColumnId, key: &[u8]) -> Option<Vec<u8>> {
+		handle_err(self.0.get(col, key))
+	}
+
+	fn contains(&self, col: ColumnId, key: &[u8]) -> bool {
+		handle_err(self.0.has_key(col, key))
+	}
+}