Introduce community history archive routine

This introduces logic needed to:

- Create WakuMessageArchives and and indices from store waku messages
- History archive torrent data to disk and create .torrent file from
  that
- Seed and unseed history archive torrents as necessary
- Starting/stopping the torrent client
- Enabling/disabling community history support for individual components
  and starting/stopping the routine intervals accordingly

This does not yet handle magnet links (#2568)

Closes #2567

appdatabase/migrations/sql/1647871329_add_community_archives_info_table.up.sql

@@ -0,0 +1,7 @@
+CREATE TABLE communities_archive_info (
+  community_id TEXT PRIMARY KEY ON CONFLICT REPLACE,
+  magnetlink_clock INT NOT NULL DEFAULT 0,
+  last_message_archive_end_date INT NOT NULL DEFAULT 0
+)
+
+

eth-node/types/topic.go

@@ -1,5 +1,9 @@
 package types
 
+import (
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
 const (
 	// TopicLength is the expected length of the topic, in bytes
 	TopicLength = 4
@@ -84,3 +88,16 @@ func MakeFullNodeBloom() []byte {
 	}
 	return bloom
 }
+
+func StringToTopic(s string) (t TopicType) {
+	str, _ := hexutil.Decode(s)
+	return BytesToTopic(str)
+}
+
+func TopicTypeToByteArray(t TopicType) []byte {
+	topic := make([]byte, 4)
+	for i, b := range t {
+		topic[i] = b
+	}
+	return topic
+}

multiaccounts/accounts/database.go

@@ -977,3 +977,7 @@ func (db *Database) GifFavorites() (favorites json.RawMessage, err error) {
 	}
 	return favorites, nil
 }
+
+func (db *Database) GetNodeConfig() (*params.NodeConfig, error) {
+	return nodecfg.GetNodeConfig(db.db)
+}