feat: pick wallet scoring without UI

lib/new-settings-loader.js

@@ -63,6 +63,16 @@ function saveAccounts (accounts) {
   return Promise.all([loadAccounts(), getOperatorId('middleware')])
     .then(([currentAccounts, operatorId]) => {
       const newAccounts = _.merge(currentAccounts, accounts)
+
+      // Only allow one wallet scoring active at a time
+      if (accounts.elliptic?.enabled && newAccounts.scorechain) {
+        newAccounts.scorechain.enabled = false
+      }
+
+      if (accounts.scorechain?.enabled && newAccounts.elliptic) {
+        newAccounts.elliptic.enabled = false
+      }
+
       return db.tx(t => {
         return t.none(accountsSql, ['accounts', { accounts: newAccounts }, true, NEW_SETTINGS_LOADER_SCHEMA_VERSION])
           .then(() => t.none('NOTIFY $1:name, $2', ['reload', JSON.stringify({ schema: asyncLocalStorage.getStore().get('schema'), operatorId })]))