update unimplemented hints list

crates/starknet-os/src/hints/unimplemented.rs

@@ -1,4 +1,24 @@
 use indoc::indoc;
 
 #[allow(unused)]
-pub const HINT_4: &str = indoc! {r#"exit_syscall(selector=ids.SHA256_PROCESS_BLOCK_SELECTOR)"#};
+const LOG2_CEIL: &str = indoc! {r#"
+	from starkware.python.math_utils import log2_ceil
+    ids.res = log2_ceil(ids.value)"#
+};
+
+#[allow(unused)]
+const COMPRESS: &str = indoc! {r#"
+	from starkware.starknet.core.os.data_availability.compression import compress
+    data = memory.get_range_as_ints(addr=ids.data_start, size=ids.data_end - ids.data_start)
+    segments.write_arg(ids.compressed_dst, compress(data))"#
+};
+
+#[allow(unused)]
+pub const DICTIONARY_FROM_BUCKET: &str =
+    indoc! {r#"initial_dict = {bucket_index: 0 for bucket_index in range(ids.TOTAL_N_BUCKETS)}"#};
+
+#[allow(unused)]
+const GET_PREV_OFFSET: &str = indoc! {r#"
+	dict_tracker = __dict_manager.get_tracker(ids.dict_ptr)
+    ids.prev_offset = dict_tracker.data[ids.bucket_index]"#
+};