diff --git a/chainstate/broadcast_test.go b/chainstate/broadcast_test.go
index 9d70933c..28c0a306 100644
--- a/chainstate/broadcast_test.go
+++ b/chainstate/broadcast_test.go
@@ -35,7 +35,8 @@ func TestClient_Broadcast(t *testing.T) {
 
 	t.Run("error - missing tx id", func(t *testing.T) {
 		// given
-		c := NewTestClient(context.Background(), t)
+		c := NewTestClient(context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}))
 
 		// when
 		provider, err := c.Broadcast(
@@ -50,7 +51,8 @@ func TestClient_Broadcast(t *testing.T) {
 
 	t.Run("error - missing tx hex", func(t *testing.T) {
 		// given
-		c := NewTestClient(context.Background(), t)
+		c := NewTestClient(context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}))
 
 		// when
 		provider, err := c.Broadcast(
@@ -105,6 +107,7 @@ func TestClient_Broadcast_BroadcastClient(t *testing.T) {
 			Build()
 		c := NewTestClient(
 			context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}),
 			WithBroadcastClient(bc),
 		)
 
diff --git a/chainstate/client_test.go b/chainstate/client_test.go
index 4899a54d..fb65e16a 100644
--- a/chainstate/client_test.go
+++ b/chainstate/client_test.go
@@ -51,6 +51,7 @@ func TestNewClient(t *testing.T) {
 		require.NotNil(t, customClient)
 		c, err := NewClient(
 			context.Background(),
+			WithMinercraft(&MinerCraftBase{}),
 			WithBroadcastClient(customClient),
 		)
 		require.NoError(t, err)
@@ -61,7 +62,7 @@ func TestNewClient(t *testing.T) {
 
 	t.Run("custom minercraft client", func(t *testing.T) {
 		customClient, err := minercraft.NewClient(
-			minercraft.DefaultClientOptions(), nil, "", nil, nil,
+			minercraft.DefaultClientOptions(), &http.Client{}, minercraft.Arc, nil, nil,
 		)
 		require.NoError(t, err)
 		require.NotNil(t, customClient)
diff --git a/chainstate/transaction_test.go b/chainstate/transaction_test.go
index 6df900a1..84049040 100644
--- a/chainstate/transaction_test.go
+++ b/chainstate/transaction_test.go
@@ -97,7 +97,6 @@ func TestClient_Transaction_MAPI(t *testing.T) {
 		assert.Equal(t, minerTaal.Name, info.Provider)
 		assert.Equal(t, minerTaal.MinerID, info.MinerID)
 	})
-
 }
 
 func TestClient_Transaction_BroadcastClient(t *testing.T) {
@@ -110,6 +109,7 @@ func TestClient_Transaction_BroadcastClient(t *testing.T) {
 			Build()
 		c := NewTestClient(
 			context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}),
 			WithBroadcastClient(bc),
 		)
 
@@ -135,6 +135,7 @@ func TestClient_Transaction_BroadcastClient(t *testing.T) {
 			Build()
 		c := NewTestClient(
 			context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}),
 			WithBroadcastClient(bc),
 			WithNetwork(StressTestNet),
 		)
@@ -161,6 +162,7 @@ func TestClient_Transaction_BroadcastClient(t *testing.T) {
 			Build()
 		c := NewTestClient(
 			context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}),
 			WithBroadcastClient(bc),
 			WithNetwork(TestNet),
 		)
@@ -296,7 +298,8 @@ func TestClient_Transaction_MultipleClients_Fastest(t *testing.T) {
 
 	t.Run("error - missing id", func(t *testing.T) {
 		// given
-		c := NewTestClient(context.Background(), t)
+		c := NewTestClient(context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}))
 
 		// when
 		info, err := c.QueryTransactionFastest(
@@ -311,7 +314,8 @@ func TestClient_Transaction_MultipleClients_Fastest(t *testing.T) {
 
 	t.Run("error - missing requirements", func(t *testing.T) {
 		// given
-		c := NewTestClient(context.Background(), t)
+		c := NewTestClient(context.Background(), t,
+			WithMinercraft(&MinerCraftBase{}))
 
 		// when
 		info, err := c.QueryTransactionFastest(