feat: change generated addresses to be UA

lib/blockchain/common.js

@@ -30,6 +30,7 @@ const BINARIES = {
     url: 'https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-1.10.17-25c9b49f.tar.gz',
     dir: 'geth-linux-amd64-1.10.17-25c9b49f'
   },
+  // TODO: update ZEC URL for new 4.7.0 version once the tarball is available
   ZEC: {
     url: 'https://z.cash/downloads/zcash-4.6.0-2-linux64-debian-bullseye.tar.gz',
     dir: 'zcash-4.6.0-2/bin'

lib/plugins/wallet/zcashd/zcashd.js

@@ -93,7 +93,10 @@ function sendCoins (account, tx, settings, operatorId) {
 
 function newAddress (account, info, tx, settings, operatorId) {
   return checkCryptoCode(info.cryptoCode)
-    .then(() => fetch('getnewaddress'))
+    .then(() => fetch('z_listaccounts'))
+    .then(accountsRes => _.size(accountsRes) === 0 ? fetch('z_getnewaccount') : Promise.resolve(_.first(accountsRes)))
+    .then(account => fetch('z_getaddressforaccount', [account.account]))
+    .then(res => res.address)
 }
 
 function addressBalance (address, confs) {