✨ Fully rewrite relay

src/consts.ts

@@ -0,0 +1,59 @@
+/**
+ * Minimum required Proof of Work (PoW) difficulty for note acceptance.
+ *
+ * Notes with PoW below this threshold will be rejected without decryption attempts.
+ * This threshold serves as a DoS protection mechanism for the CCN in case of
+ * public key compromise.
+ */
+export const MIN_POW = 8;
+
+/**
+ * Target Proof of Work (PoW) difficulty for relay-generated notes.
+ *
+ * Defines the PoW difficulty level that the relay will compute when generating
+ * and encrypting its own notes before broadcasting them to the network.
+ *
+ * Expected Performance on modern hardware (2025):
+ * - Difficulty 8: ~1ms
+ * - Difficulty 21: ~5-6 seconds
+ */
+export const POW_TO_MINE = 10;
+
+/**
+ * Maximum size of a note chunk in bytes.
+ *
+ * This value determines the maximum size of a note that can be encrypted and
+ * sent in a single chunk.
+ */
+export const MAX_CHUNK_SIZE = 32768;
+
+/**
+ * Interval for cleaning up expired note chunks in milliseconds.
+ *
+ * This value determines how often the relay will check for and remove expired
+ * note chunks from the database.
+ */
+export const CHUNK_CLEANUP_INTERVAL = 1000 * 60 * 60;
+
+/**
+ * Maximum age of a note chunk in milliseconds.
+ *
+ * This value determines the maximum duration a note chunk can remain in the
+ * database before it is considered expired and eligible for cleanup.
+ */
+export const CHUNK_MAX_AGE = 1000 * 60 * 60 * 24;
+
+/**
+ * Interval for processing the outbound event queue in milliseconds.
+ *
+ * This determines how often the relay will attempt to send pending events
+ * to external relays.
+ */
+export const QUEUE_PROCESS_INTERVAL = 10000;
+
+/**
+ * Maximum number of transmission attempts for outbound events.
+ *
+ * Events that fail to transmit this many times will be marked as permanently failed.
+ */
+export const MAX_TRANSMISSION_ATTEMPTS = 5;