brain backup 2026-09-14

projects/colanode-hermes-bridge/src/ids.ts

@@ -0,0 +1,30 @@
+import { randomBytes } from 'node:crypto';
+
+const ENCODING = '0123456789ABCDEFGHJKMNPQRSTVWXYZ';
+
+export function generateId(): string {
+  const now = Date.now();
+  const time = encodeBase32(now, 10);
+  let random = '';
+  const bytes = randomBytes(16);
+  let value = 0;
+  let bits = 0;
+  for (const byte of bytes) {
+    value = (value << 8) | byte;
+    bits += 8;
+    while (bits >= 5 && random.length < 16) {
+      random += ENCODING[(value >>> (bits - 5)) & 31];
+      bits -= 5;
+    }
+  }
+  return time + random.padEnd(16, '0');
+}
+
+function encodeBase32(num: number, length: number): string {
+  let out = '';
+  for (let i = length - 1; i >= 0; i--) {
+    out = ENCODING[num % 32] + out;
+    num = Math.floor(num / 32);
+  }
+  return out;
+}