dcrdtest: Use adjusted simnet miner for tests

This speeds up test execution.

.gitignore

@@ -0,0 +1 @@
+dcrdlogs

dcrdtest/simnet_miner.go

@@ -196,3 +196,11 @@ func AdjustedSimnetMiner(ctx context.Context, client *rpcclient.Client, nb uint3
 
 	return hashes, nil
 }
+
+// AdjustedSimnetMinerForClient returns a miner function that closes over the
+// passed rpclient to use the adjusted simnet miner to generate blocks.
+func AdjustedSimnetMinerForClient(c *rpcclient.Client) func(ctx context.Context, nb uint32) ([]*chainhash.Hash, error) {
+	return func(ctx context.Context, nb uint32) ([]*chainhash.Hash, error) {
+		return AdjustedSimnetMiner(ctx, c, nb)
+	}
+}

dcrdtest/votingwallet_test.go

@@ -63,6 +63,7 @@ func TestMinimalVotingWallet(t *testing.T) {
 	logDir := "./dcrdlogs"
 	extraArgs := []string{
 		"--debuglevel=debug",
+		"--logdir=" + logDir,
 	}
 
 	info, err := os.Stat(logDir)
@@ -87,12 +88,16 @@ func TestMinimalVotingWallet(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	err = hn.SetUp(ctx, true, 8)
+	err = hn.SetUp(ctx, false, 0)
 	if err != nil {
 		t.Fatal(err)
 	}
 	defer hn.TearDown()
 
+	if _, err := AdjustedSimnetMiner(ctx, hn.Node, 64); err != nil {
+		t.Fatal(err)
+	}
+
 	type testCase struct {
 		name string
 		f    func(ctx context.Context, t *testing.T, vw *VotingWallet)
@@ -113,6 +118,8 @@ func TestMinimalVotingWallet(t *testing.T) {
 				t1.Fatalf("unable to create voting wallet for test: %v", err)
 			}
 
+			vw.SetMiner(AdjustedSimnetMinerForClient(hn.Node))
+
 			err = vw.Start(ctx)
 			if err != nil {
 				t1.Fatalf("unable to setup voting wallet: %v", err)