Subsystems memory tracking: 1. Transaction pool (#4822)

* update sp-runtime

* total update

* usage informant

* update to crates.io version

* update Cargo.lock

* update dummy update

* fix todo

* cleanup

* avoid custom impl

* Update client/transaction-pool/graph/src/future.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* remove another custom impl

* remove another custom impl

* add kb in report

* update Cargo.lock

* review suggestions

* --amend

* --amend

* bump parity-util-mem to 0.5.0

* bumps

* update macro and versions

* add to grafana

* naming

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

substrate/client/transaction-pool/graph/src/future.rs

@@ -29,6 +29,7 @@ use sp_runtime::transaction_validity::{
 
 use crate::base_pool::Transaction;
 
+#[derive(parity_util_mem::MallocSizeOf)]
 /// Transaction with partially satisfied dependencies.
 pub struct WaitingTransaction<Hash, Ex> {
 	/// Transaction details.
@@ -109,7 +110,7 @@ impl<Hash, Ex> WaitingTransaction<Hash, Ex> {
 ///
 /// Contains transactions that are still awaiting for some other transactions that
 /// could provide a tag that they require.
-#[derive(Debug)]
+#[derive(Debug, parity_util_mem::MallocSizeOf)]
 pub struct FutureTransactions<Hash: hash::Hash + Eq, Ex> {
 	/// tags that are not yet provided by any transaction and we await for them
 	wanted_tags: HashMap<Tag, HashSet<Hash>>,
@@ -243,3 +244,30 @@ impl<Hash: hash::Hash + Eq + Clone, Ex> FutureTransactions<Hash, Ex> {
 		self.waiting.values().fold(0, |acc, tx| acc + tx.transaction.bytes)
 	}
 }
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+
+	#[test]
+	fn can_track_heap_size() {
+		let mut future = FutureTransactions::default();
+		future.import(WaitingTransaction {
+			transaction: Transaction {
+				data: vec![0u8; 1024],
+				bytes: 1,
+				hash: 1,
+				priority: 1,
+				valid_till: 2,
+				requires: vec![vec![1], vec![2]],
+				provides: vec![vec![3], vec![4]],
+				propagate: true,
+			}.into(),
+			missing_tags: vec![vec![1u8], vec![2u8]].into_iter().collect(),
+			imported_at: std::time::Instant::now(),
+		});
+
+		// data is at least 1024!
+		assert!(parity_util_mem::malloc_size(&future) > 1024);
+	}
+}