From ad49955400f5966e12d2ed2b3f1d4f5fbd789c83 Mon Sep 17 00:00:00 2001
From: Ryosuke Abe <chike@sfc.wide.ad.jp>
Date: Tue, 5 Apr 2022 17:29:30 +0900
Subject: [PATCH] generate did document

---
 docs/.well-known/did.json | 18 ++++++++++++++++++
 src/index.js              | 20 ++++++++++++++++++--
 2 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 docs/.well-known/did.json

diff --git a/docs/.well-known/did.json b/docs/.well-known/did.json
new file mode 100644
index 0000000..cde3053
--- /dev/null
+++ b/docs/.well-known/did.json
@@ -0,0 +1,18 @@
+{
+  "@context": "https://www.w3.org/ns/did/v1",
+  "id": "did:web:chike.xyz:id-web-on-gh-pages",
+  "verificationMethod": [
+    {
+      "id": "did:web:chike.xyz:id-web-on-gh-pages#key1",
+      "type": "Ed25519VerificationKey2018",
+      "controller": "did:web:chike.xyz:id-web-on-gh-pages",
+      "publicKeyBase58": "251vtfUrTJkH5Zaq1Pp39FuKxn1K8AyDimoRgnqikiE34"
+    }
+  ],
+  "authentication": [
+    "did:web:chike.xyz:id-web-on-gh-pages#key1"
+  ],
+  "assertionMethod": [
+    "did:web:chike.xyz:id-web-on-gh-pages#key1"
+  ]
+}
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 3e96cf6..799fad3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,14 +1,23 @@
 const { randomBytes } = require('crypto');
 const secp256k1 = require('secp256k1');
 const bs58 = require('bs58');
+const fs = require('fs');
 
 // Setting
 const DOMAIN = 'chike.xyz';
 const GH_PROJECT = 'id-web-on-gh-pages';
 
 
-// MAIN
+// Templates
 const DID = `did:web:${DOMAIN}:${GH_PROJECT}`;
+const DID_DOCUMENT_FRAME = {
+  "@context": "https://www.w3.org/ns/did/v1",
+  "id": '',
+  "verificationMethod": [],
+  "authentication": [],
+  "assertionMethod": [],
+}
+
 const main = async () => {
   // generate privKey
   let privKey
@@ -25,8 +34,15 @@ const main = async () => {
     "controller": `${DID}`,
     "publicKeyBase58": bs58.encode(pubKey)
   }
+  const didDocument = DID_DOCUMENT_FRAME;
+  didDocument.id = key.controller;
+  didDocument.verificationMethod = [key];
+  didDocument.authentication = [key.id];
+  didDocument.assertionMethod = [key.id];
 
-  console.log(JSON.stringify(key, null, 2));
+  console.log('===GENERATED DID DOCUMENT===');
+  console.log(JSON.stringify(didDocument, null, 2));
+  fs.writeFileSync('./docs/.well-known/did.json', JSON.stringify(didDocument, null, 2));
 };
 
 main();
\ No newline at end of file