From 9e98e367529e108d144250ee778c26e4ebe24133 Mon Sep 17 00:00:00 2001
From: Andre Staltz <andre@staltz.com>
Date: Tue, 18 Jul 2023 23:51:02 +0300
Subject: [PATCH] use db.identity.has

---
 lib/index.js | 17 +++++++++--------
 package.json |  2 +-
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index 753fdb6..f66d873 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -180,20 +180,21 @@ module.exports = {
         cb(new Error('Invalid token'))
         return
       }
-      const promise = /** @type {PPromise} */ (promises.get(token))
-      if (promise.type !== 'identity-add') {
+      const promise = /** @type {IdentityAddPromise} */ (promises.get(token))
+      const { type, identity } = promise
+      if (type !== 'identity-add') {
         cb(new Error('Invalid token'))
         return
       }
 
-      // TODO identity.has, and if true, then call cb with false
+      const keypair = { curve: 'ed25519', public: addition.key.bytes }
+      if (local.db.identity.has({ identity, keypair })) {
+        cb(null, false)
+        return
+      }
 
       local.db.identity.add(
-        {
-          identity: promise.identity,
-          keypair: { curve: 'ed25519', public: addition.key.bytes },
-          consent: addition.consent,
-        },
+        { identity, keypair, consent: addition.consent },
         /**
          * @param {Error | null} err
          * @param {any} rec
diff --git a/package.json b/package.json
index 10f6108..0262372 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "c8": "^7.11.0",
     "husky": "^4.3.0",
     "ppppp-caps": "github:staltz/ppppp-caps",
-    "ppppp-db": "github:staltz/ppppp-db",
+    "ppppp-db": "file:../db",
     "ppppp-keypair": "github:staltz/ppppp-keypair",
     "prettier": "^2.6.2",
     "pretty-quick": "^3.1.3",