fix: remove unused crypto unit fields

lib/new-config-manager.js

@@ -152,7 +152,8 @@ const getCryptosFromWalletNamespace = config => {
 const getCashInSettings = config => fromNamespace(namespaces.CASH_IN)(config)
 
 const getCryptoUnits = (crypto, config) => {
-  return getWalletSettings(crypto, config).cryptoUnits
+  const walletSettings = getWalletSettings(crypto, config)
+  return walletSettings.cryptoUnits
 }
 
 module.exports = {

lib/new-settings-loader.js

@@ -85,6 +85,17 @@ function saveConfig (config) {
     })
 }
 
+function removeFromConfig (fields) {
+  return Promise.all([loadLatestConfigOrNone(), getOperatorId('middleware')])
+    .then(([currentConfig, operatorId]) => {
+      const newConfig = _.omit(fields, currentConfig)
+      return db.tx(t => {
+        return t.none(configSql, ['config', { config: newConfig }, true, NEW_SETTINGS_LOADER_SCHEMA_VERSION])
+          .then(() => t.none('NOTIFY $1:name, $2', ['reload', JSON.stringify({ schema: asyncLocalStorage.getStore().get('schema'), operatorId })]))
+      }).catch(console.error)
+    })
+}
+
 function migrationSaveConfig (config) {
   return loadLatestConfigOrNone()
     .then(currentConfig => {
@@ -194,5 +205,6 @@ module.exports = {
   loadLatestConfig,
   loadLatestConfigOrNone,
   load,
-  migrate
+  migrate,
+  removeFromConfig
 }

migrations/1658940716689-remove-coin-specific-cryptounits.js

@@ -0,0 +1,22 @@
+const { removeFromConfig, loadLatest } = require('../lib/new-settings-loader')
+const { getCryptosFromWalletNamespace } = require('../lib/new-config-manager.js')
+const _ = require('lodash/fp')
+
+exports.up = function (next) {
+  loadLatest()
+    .then(settings => {
+      const configuredCryptos = getCryptosFromWalletNamespace(settings.config)
+      if (!configuredCryptos.length) return Promise.resolve()
+
+      return removeFromConfig(_.map(it => `wallets_${it}_cryptoUnits`, configuredCryptos))
+    })
+    .then(() => next())
+    .catch(err => {
+      console.log(err.message)
+      return next(err)
+    })
+}
+
+exports.down = function (next) {
+  next()
+}

new-lamassu-admin/src/pages/Wallet/Wizard.js

@@ -1,4 +1,3 @@
-import { utils as coinUtils } from '@lamassu/coins'
 import * as R from 'ramda'
 import React, { useState } from 'react'
 import * as Yup from 'yup'
@@ -97,14 +96,7 @@ const Wizard = ({
       : accountsToSave
 
     if (isLastStep) {
-      const defaultCryptoUnit = R.head(
-        R.keys(coinUtils.getCryptoCurrency(coin.code).units)
-      )
-      const configToSave = {
-        ...newConfig,
-        cryptoUnits: defaultCryptoUnit
-      }
-      return save(toNamespace(coin.code, configToSave), newAccounts)
+      return save(toNamespace(coin.code, newConfig), newAccounts)
     }
 
     setState({