log inbound activity duration

packages/backend/src/models/SkActivityLog.ts

@@ -20,6 +20,12 @@ export class SkActivityLog {
 	@Column('timestamptz')
 	public at: Date;
 
+	/**
+	 * Processing duration in milliseconds
+	 */
+	@Column('double precision', { default: 0 })
+	public duration = 0;
+
 	@Column({
 		type: 'text',
 		name: 'key_id',
@@ -36,8 +42,8 @@ export class SkActivityLog {
 	@Column('boolean')
 	public accepted: boolean;
 
-	@Column('text')
-	public result: string;
+	@Column('text', { nullable: true })
+	public result: string | null = null;
 
 	@Column('jsonb')
 	// https://github.com/typeorm/typeorm/issues/8559

packages/backend/src/queue/processors/InboxProcessorService.ts

@@ -98,9 +98,16 @@ export class InboxProcessorService implements OnApplicationShutdown {
 		}
 
 		try {
+			const startTime = process.hrtime.bigint();
 			const result = await this._process(job, log);
+			const endTime = process.hrtime.bigint();
+
+			// Truncate nanoseconds to microseconds, then scale to milliseconds.
+			// 123,456,789 ns -> 123,456 us -> 123.456 ms
+			const duration = Number((endTime - startTime) / 1000n) / 1000;
 
 			log.accepted = result.startsWith('ok');
+			log.duration = duration;
 			log.result = result;
 
 			return result;
@@ -249,7 +256,7 @@ export class InboxProcessorService implements OnApplicationShutdown {
 			delete activity.id;
 		}
 
-		// Attach log to verified user
+		// Record verified user in log
 		if (log) {
 			log.verified = true;
 			log.authUser = authUser.user;
@@ -361,7 +368,6 @@ export class InboxProcessorService implements OnApplicationShutdown {
 			at: new Date(),
 			verified: false,
 			accepted: false,
-			result: 'not processed',
 			activity,
 			keyId,
 			host,