lntest+itest: finalize moving miner methods

itest/lnd_watchtower_test.go

@@ -86,7 +86,7 @@ func testTowerClientTowerAndSessionManagement(ht *lntest.HarnessTest) {
 			}
 
 			if mineOnFail {
-				ht.Miner.MineBlocksSlow(1)
+				ht.MineBlocks(1)
 			}
 
 			return fmt.Errorf("expected %d sessions, got %d",
@@ -515,7 +515,7 @@ func testRevokedCloseRetributionAltruistWatchtowerCase(ht *lntest.HarnessTest,
 	// Query for the mempool transaction found above. Then assert that all
 	// the inputs of this transaction are spending outputs generated by
 	// Carol's breach transaction above.
-	justiceTx := ht.Miner.GetRawTransaction(justiceTXID)
+	justiceTx := ht.GetRawTransaction(justiceTXID)
 	for _, txIn := range justiceTx.MsgTx().TxIn {
 		require.Equal(ht, breachTXID[:], txIn.PreviousOutPoint.Hash[:],
 			"justice tx not spending commitment utxo")
@@ -702,7 +702,7 @@ func assertNumBackups(ht *lntest.HarnessTest, node *rpc.HarnessRPC,
 		}
 
 		if mineOnFail {
-			ht.Miner.MineBlocksSlow(1)
+			ht.MineBlocks(1)
 		}
 
 		return fmt.Errorf("expected %d backups, got %d",