Generate validation schema for LNC

pages/settings/wallets/[wallet].js

@@ -10,7 +10,7 @@ import Info from '@/components/info'
 import Text from '@/components/text'
 import { AutowithdrawSettings } from '@/components/autowithdraw-shared'
 import dynamic from 'next/dynamic'
-import { object, string } from 'yup'
+import { array, object, string } from 'yup'
 import { autowithdrawSchemaMembers } from '@/lib/validate'
 import { useMe } from '@/components/me'
 import { TOR_REGEXP } from '@/lib/url'
@@ -154,7 +154,7 @@ function generateSchema (wallet, { me }) {
       return field.validate.schema
     }
 
-    const { type: validationType } = field.validate
+    const { type: validationType, words, min, max } = field.validate
 
     let validator
 
@@ -192,6 +192,29 @@ function generateSchema (wallet, { me }) {
           })
     }
 
+    if (words) {
+      validator = array()
+        .transform(function (value, originalValue) {
+          if (this.isType(value) && value !== null) {
+            return value
+          }
+          return originalValue ? originalValue.trim().split(/[\s]+/) : []
+        })
+        .test(async (values, context) => {
+          for (const v of values) {
+            try {
+              await string().oneOf(words).validate(v)
+            } catch {
+              return context.createError({ message: `'${v}' is not a valid ${field.label} word` })
+            }
+          }
+          return true
+        })
+    }
+
+    if (min !== undefined) validator = validator.min(min)
+    if (max !== undefined) validator = validator.max(max)
+
     if (!field.optional) validator = validator.required('required')
 
     return validator

wallets/lnc/index.js

@@ -1,4 +1,4 @@
-import { lncSchema } from '@/lib/validate'
+import bip39Words from '@/lib/bip39-words'
 
 export const name = 'lnc'
 
@@ -7,7 +7,12 @@ export const fields = [
     name: 'pairingPhrase',
     label: 'pairing phrase',
     type: 'password',
-    help: 'We only need permissions for the uri `/lnrpc.Lightning/SendPaymentSync`\n\nCreate a budgeted account with narrow permissions:\n\n```$ litcli accounts create --balance <budget>```\n\n```$ litcli sessions add --type custom --label <your label> --account_id <account_id> --uri /lnrpc.Lightning/SendPaymentSync```\n\nGrab the `pairing_secret_mnemonic` from the output and paste it here.'
+    help: 'We only need permissions for the uri `/lnrpc.Lightning/SendPaymentSync`\n\nCreate a budgeted account with narrow permissions:\n\n```$ litcli accounts create --balance <budget>```\n\n```$ litcli sessions add --type custom --label <your label> --account_id <account_id> --uri /lnrpc.Lightning/SendPaymentSync```\n\nGrab the `pairing_secret_mnemonic` from the output and paste it here.',
+    validate: {
+      words: bip39Words,
+      min: 2,
+      max: 10
+    }
   },
   {
     name: 'password',
@@ -23,5 +28,3 @@ export const card = {
   subtitle: 'use Lightning Node Connect for LND payments',
   badges: ['send only', 'non-custodialish', 'budgetable']
 }
-
-export const schema = lncSchema