feat: seed input: autocomplete and validate words

lnbits/extensions/watchonly/static/components/seed-input/seed-input.html

@@ -0,0 +1,80 @@
+<div>
+  <div v-if="done">
+    <div class="row">
+      <div class="col-12">Seed Input Done</div>
+    </div>
+  </div>
+  <div v-else>
+    <div class="row">
+      <div class="col-3 q-pt-sm">Word Count</div>
+      <div class="col-6 q-pr-lg">
+        <q-select
+          filled
+          dense
+          v-model="wordCount"
+          type="number"
+          label="Word Count"
+          :options="wordCountOptions"
+          @input="initWords"
+        ></q-select>
+      </div>
+      <div class="col-3 q-pr-lg"></div>
+    </div>
+    <div class="row">
+      <div class="col-3 q-pr-lg"></div>
+      <div class="col-6">Enter word at position: {{actualPosition}}</div>
+      <div class="col-3 q-pr-lg"></div>
+    </div>
+    <div class="row">
+      <div class="col-3 q-pr-lg">
+        <q-btn
+          v-if="currentPosition > 0"
+          @click="previousPosition"
+          unelevated
+          class="btn-full"
+          color="secondary"
+          >Previous</q-btn
+        >
+      </div>
+      <div class="col-6 q-pr-lg">
+        <q-select
+          filled
+          dense
+          use-input
+          hide-selected
+          fill-input
+          input-debounce="0"
+          v-model="currentWord"
+          :options="options"
+          @filter="filterFn"
+          @input-value="setModel"
+        ></q-select>
+      </div>
+
+      <div class="col-3 q-pr-lg">
+        <q-btn
+          v-if="currentPosition < wordCount - 1"
+          @click="nextPosition"
+          unelevated
+          class="btn-full"
+          color="secondary"
+          >Next</q-btn
+        >
+        <q-btn
+          v-else
+          @click="seedInputDone"
+          unelevated
+          class="btn-full"
+          color="primary"
+          >Done</q-btn
+        >
+      </div>
+      <q-linear-progress
+        :value="currentPosition / (wordCount -1)"
+        size="5px"
+        color="primary"
+        class="q-mt-sm"
+      ></q-linear-progress>
+    </div>
+  </div>
+</div>

lnbits/extensions/watchonly/static/components/seed-input/seed-input.js

@@ -0,0 +1,102 @@
+async function seedInput(path) {
+  const template = await loadTemplateAsync(path)
+  Vue.component('seed-input', {
+    name: 'seed-input',
+    template,
+
+    computed: {
+      actualPosition: function () {
+        return this.words[this.currentPosition].position
+      }
+    },
+
+    data: function () {
+      return {
+        wordCountOptions: ['12', '15', '18', '21', '24'],
+        wordCount: 24,
+        words: [],
+        currentPosition: 0,
+        stringOptions: [],
+        options: [],
+        currentWord: '',
+        done: false
+      }
+    },
+
+    methods: {
+      filterFn(val, update, abort) {
+        update(() => {
+          const needle = val.toLocaleLowerCase()
+          this.options = this.stringOptions
+            .filter(v => v.toLocaleLowerCase().indexOf(needle) != -1)
+            .sort((a, b) => {
+              if (a.startsWith(needle)) {
+                if (b.startsWith(needle)) {
+                  return a - b
+                }
+                return -1
+              } else {
+                if (b.startsWith(needle)) {
+                  return 1
+                }
+                return a - b
+              }
+            })
+        })
+      },
+      initWords() {
+        const words = []
+        for (let i = 1; i <= this.wordCount; i++) {
+          words.push({
+            position: i,
+            value: ''
+          })
+        }
+        this.currentPosition = 0
+        this.words = _.shuffle(words)
+      },
+      setModel(val) {
+        this.currentWord = val
+        this.words[this.currentPosition].value = this.currentWord
+      },
+      nextPosition() {
+        if (this.currentPosition < this.wordCount - 1) {
+          this.currentPosition++
+        }
+        this.currentWord = this.words[this.currentPosition].value
+      },
+      previousPosition() {
+        if (this.currentPosition > 0) {
+          this.currentPosition--
+        }
+        this.currentWord = this.words[this.currentPosition].value
+      },
+      seedInputDone() {
+        const badWordPositions = this.words
+          .filter(w => !w.value || !this.stringOptions.includes(w.value))
+          .map(w => w.position)
+        if (badWordPositions.length) {
+          this.$q.notify({
+            timeout: 10000,
+            type: 'warning',
+            message:
+              'The seed has incorrect words. Please check at these positions: ',
+            caption: 'Position: ' + badWordPositions.join(', ')
+          })
+          return
+        }
+        const mnemonic = this.words
+          .sort((a, b) => a.position - b.position)
+          .map(w => w.value)
+          .join(' ')
+        this.$emit('on-seed-input-done', mnemonic)
+        this.done = true
+      }
+    },
+
+    created: async function () {
+      this.stringOptions = bip39WordList
+      this.initWords()
+    }
+  })
+}

lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.html

@@ -375,18 +375,17 @@
   </q-dialog>
 
   <q-dialog v-model="showConsole" position="top">
-
     <q-card class="q-pa-lg q-pt-xl">
       <div class="row q-mt-lg q-mb-lg">
         <div class="col">
-        <q-badge
-          class="text-subtitle2 float-right"
-          color="yellow"
-          text-color="black"
-        >
-          Open the browser Developer Console for more Details!
-        </q-badge>
-      </div>
+          <q-badge
+            class="text-subtitle2 float-right"
+            color="yellow"
+            text-color="black"
+          >
+            Open the browser Developer Console for more Details!
+          </q-badge>
+        </div>
       </div>
 
       <q-input
@@ -460,26 +459,37 @@
         >
           For test purposes only. Do not enter word list with real funds!!!
         </q-badge>
-        <br /><br /><br />
-        <span>Enter new word list separated by space</span>
-        <q-input
-          v-model.trim="hww.mnemonic"
-          filled
-          :type="hww.showMnemonic ? 'text' : 'password'"
-          filled
-          dense
-          label="Word List"
-        >
-          <template v-slot:append>
-            <q-icon
-              :name="hww.showMnemonic ? 'visibility' : 'visibility_off'"
-              class="cursor-pointer"
-              @click="hww.showMnemonic = !hww.showMnemonic"
-            />
-          </template>
-        </q-input>
+        <br />
+        <q-toggle
+          label="Enter word list separated by space"
+          color="secodary"
+          v-model="hww.quickMnemonicInput"
+        ></q-toggle>
         <br />
 
+        <div v-if="hww.quickMnemonicInput">
+          <q-input
+            v-model.trim="hww.mnemonic"
+            filled
+            :type="hww.showMnemonic ? 'text' : 'password'"
+            filled
+            dense
+            label="Word List"
+          >
+            <template v-slot:append>
+              <q-icon
+                :name="hww.showMnemonic ? 'visibility' : 'visibility_off'"
+                class="cursor-pointer"
+                @click="hww.showMnemonic = !hww.showMnemonic"
+              />
+            </template>
+          </q-input>
+        </div>
+
+        <seed-input v-else @on-seed-input-done="seedInputDone"></seed-input>
+        <br />
+        <q-separator></q-separator>
+        <br />
         <span>Enter new password (8 numbers/letters)</span>
         <q-input
           v-model.trim="hww.password"

lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js

@@ -22,6 +22,7 @@ async function serialSigner(path) {
           showPassword: false,
           mnemonic: null,
           showMnemonic: false,
+          quickMnemonicInput: false,
           passphrase: null,
           showPassphrase: false,
           hasPassphrase: false,
@@ -174,6 +175,10 @@ async function serialSigner(path) {
       isAuthenticated: function () {
         return this.hww.authenticated
       },
+
+      seedInputDone: function (mnemonic) {
+        this.hww.mnemonic = mnemonic
+      },
       isAuthenticating: function () {
         if (this.isAuthenticated()) return false
         return new Promise(resolve => {

lnbits/extensions/watchonly/static/js/index.js

@@ -7,6 +7,7 @@ const watchOnly = async () => {
   await history('static/components/history/history.html')
   await utxoList('static/components/utxo-list/utxo-list.html')
   await feeRate('static/components/fee-rate/fee-rate.html')
+  await seedInput('static/components/seed-input/seed-input.html')
   await sendTo('static/components/send-to/send-to.html')
   await payment('static/components/payment/payment.html')
   await serialSigner('static/components/serial-signer/serial-signer.html')

lnbits/extensions/watchonly/templates/watchonly/index.html

@@ -239,6 +239,8 @@
 <script src="{{ url_for('watchonly_static', path='js/tables.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='js/map.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='js/utils.js') }}"></script>
+<script src="{{ url_for('watchonly_static', path='js/bip39-word-list.js') }}"></script>
+
 <script src="{{ url_for('watchonly_static', path='components/my-checkbox/my-checkbox.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/wallet-config/wallet-config.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/wallet-list/wallet-list.js') }}"></script>
@@ -246,10 +248,12 @@
 <script src="{{ url_for('watchonly_static', path='components/history/history.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/utxo-list/utxo-list.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/fee-rate/fee-rate.js') }}"></script>
+<script src="{{ url_for('watchonly_static', path='components/seed-input/seed-input.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/send-to/send-to.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/payment/payment.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/serial-signer/serial-signer.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='components/serial-port-config/serial-port-config.js') }}"></script>
+
 <script src="{{ url_for('watchonly_static', path='js/crypto/noble-secp256k1.js') }}"></script>
 <script src="{{ url_for('watchonly_static', path='js/crypto/aes.js') }}"></script>