Cache Full Companion paths and shared secrets to recover RAM

src/helpers/ContactInfo.cpp

@@ -0,0 +1,28 @@
+#include "ContactInfo.h"
+
+#if MESH_CONTACT_CACHE
+#include "ContactSecretCache.h"
+
+#ifndef MAX_CONTACTS
+#define MAX_CONTACTS 32
+#endif
+
+namespace mesh {
+
+ContactPathStorage& contactPathStorage() {
+  // Eight anonymous peers plus room for independent in-flight snapshots.
+  static ContactPathPool<MAX_CONTACTS + 40> pool;
+  return pool;
+}
+
+ContactSecretCache& contactSecretCache() {
+  static ContactSecretCache cache;
+  return cache;
+}
+
+} // namespace mesh
+
+const uint8_t* ContactInfo::getSharedSecret(const mesh::LocalIdentity& self_id) const {
+  return mesh::contactSecretCache().get(self_id, id.pub_key);
+}
+#endif