itest: make WaitForNTxsInMempool public

We make the WaitForNTxsInMempool function public as it's going to be
needed in the mintV2 loadtest.

Author: GeorgeTsagk

itest/assets_test.go

@@ -183,7 +183,7 @@ func testMintBatchResume(t *harnessTest) {
 	require.NoError(t.t, t.tapd.stop(false))
 	require.NoError(t.t, t.tapd.start(false))
 
-	hashes, err := waitForNTxsInMempool(
+	hashes, err := WaitForNTxsInMempool(
 		t.lndHarness.Miner().Client, 1, defaultWaitTimeout,
 	)
 	require.NoError(t.t, err)

itest/test_harness.go

@@ -476,10 +476,10 @@ func isMempoolEmpty(miner *rpcclient.Client, timeout time.Duration) (bool,
 	}
 }
 
-// waitForNTxsInMempool polls until finding the desired number of transactions
+// WaitForNTxsInMempool polls until finding the desired number of transactions
 // in the provided miner's mempool. An error is returned if this number is not
 // met after the given timeout.
-func waitForNTxsInMempool(miner *rpcclient.Client, n int,
+func WaitForNTxsInMempool(miner *rpcclient.Client, n int,
 	timeout time.Duration) ([]*chainhash.Hash, error) {
 
 	breakTimeout := time.After(timeout)

itest/utils.go

@@ -142,7 +142,7 @@ func MineBlocks(t *testing.T, client *rpcclient.Client,
 	var txids []*chainhash.Hash
 	var err error
 	if numTxs > 0 {
-		txids, err = waitForNTxsInMempool(
+		txids, err = WaitForNTxsInMempool(
 			client, numTxs, minerMempoolTimeout,
 		)
 		if err != nil {
@@ -386,7 +386,7 @@ func FinalizeBatchUnconfirmed(t *testing.T, minerClient *rpcclient.Client,
 		batchResp.Batch.BatchKey,
 		mintrpc.BatchState_BATCH_STATE_BROADCAST,
 	)
-	hashes, err := waitForNTxsInMempool(
+	hashes, err := WaitForNTxsInMempool(
 		minerClient, 1, options.mintingTimeout,
 	)
 	require.NoError(t, err)