Accept only empty nonce for memo validation script to work as a blocking script

src/oracle/bncWatcher/bncWatcher.js

@@ -156,13 +156,11 @@ async function loop() {
 
   for (let i = transactions.length - 1; i >= 0; i -= 1) {
     const tx = transactions[i]
-    if (tx.memo !== 'funding') {
+    if (tx.memo === '') {
       const publicKeyEncoded = (await getTx(tx.txHash)).signatures[0].pub_key.value
       await proxyHttpClient.post('/transfer', {
         to: computeAddress(Buffer.from(publicKeyEncoded, 'base64')),
-        value: new BN(tx.value)
-          .multipliedBy(10 ** 18)
-          .integerValue(),
+        value: new BN(tx.value).multipliedBy(10 ** 18).integerValue(),
         hash: `0x${tx.txHash}`
       })
     }

src/test-services/binanceSend/testBinanceSend.js

@@ -40,7 +40,7 @@ async function main() {
     receipt = await client.multiSend(from, outputs, 'funding')
   } else {
     console.log(`From ${from} to ${to}, ${tokens} ${FOREIGN_ASSET}'`)
-    receipt = await client.transfer(from, to, tokens, FOREIGN_ASSET, 'exchange')
+    receipt = await client.transfer(from, to, tokens, FOREIGN_ASSET, '')
   }
 
   if (receipt.status === 200) {