feat: add tx hash retrieval in wallet plugin

lib/plugins/wallet/monerod/monerod.js

@@ -235,6 +235,14 @@ function checkBlockchainStatus (cryptoCode) {
   })
 }
 
+function getTxHashesByAddress (cryptoCode, address) {
+  checkCryptoCode(cryptoCode)
+    .then(() => refreshWallet())
+    .then(() => fetch('get_address_index', { address: address }))
+    .then(addressRes => fetch('get_transfers', { in: true, pool: true, pending: true, account_index: addressRes.index.major, address_indices: [addressRes.index.minor] }))
+    .then(_.map(({ txid }) => txid))
+}
+
 module.exports = {
   balance,
   sendCoins,
@@ -242,5 +250,6 @@ module.exports = {
   getStatus,
   newFunding,
   cryptoNetwork,
-  checkBlockchainStatus
+  checkBlockchainStatus,
+  getTxHashesByAddress
 }