diff --git a/cli/contract_test.go b/cli/contract_test.go
index 69ac75e21..994216ae7 100644
--- a/cli/contract_test.go
+++ b/cli/contract_test.go
@@ -10,6 +10,7 @@ import (
 	"testing"
 
 	"github.com/nspcc-dev/neo-go/pkg/config"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
 	"github.com/nspcc-dev/neo-go/pkg/rpc/response/result"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm"
@@ -71,6 +72,35 @@ func TestContractInitAndCompile(t *testing.T) {
 	})
 }
 
+// Checks that error is returned if GAS available for test-invoke exceeds
+// GAS needed to be consumed.
+func TestDeployBigContract(t *testing.T) {
+	e := newExecutorWithConfig(t, true, func(c *config.Config) {
+		c.ApplicationConfiguration.RPC.MaxGasInvoke = fixedn.Fixed8(1)
+	})
+	defer e.Close(t)
+
+	// For proper nef generation.
+	config.Version = "0.90.0-test"
+
+	tmpDir := path.Join(os.TempDir(), "neogo.test.deployfail")
+	require.NoError(t, os.Mkdir(tmpDir, os.ModePerm))
+	defer os.RemoveAll(tmpDir)
+
+	nefName := path.Join(tmpDir, "deploy.nef")
+	manifestName := path.Join(tmpDir, "deploy.manifest.json")
+	e.Run(t, "neo-go", "contract", "compile",
+		"--in", "testdata/deploy/main.go", // compile single file
+		"--config", "testdata/deploy/neo-go.yml",
+		"--out", nefName, "--manifest", manifestName)
+
+	e.In.WriteString("one\r")
+	e.RunWithError(t, "neo-go", "contract", "deploy",
+		"--rpc-endpoint", "http://"+e.RPC.Addr,
+		"--wallet", validatorWallet, "--address", validatorAddr,
+		"--in", nefName, "--manifest", manifestName)
+}
+
 func TestComlileAndInvokeFunction(t *testing.T) {
 	e := newExecutor(t, true)
 	defer e.Close(t)
diff --git a/cli/executor_test.go b/cli/executor_test.go
index be56c31ec..417e4f73b 100644
--- a/cli/executor_test.go
+++ b/cli/executor_test.go
@@ -61,10 +61,13 @@ type executor struct {
 	In *bytes.Buffer
 }
 
-func newTestChain(t *testing.T) (*core.Blockchain, *server.Server, *network.Server) {
+func newTestChain(t *testing.T, f func(*config.Config)) (*core.Blockchain, *server.Server, *network.Server) {
 	configPath := "../config/protocol.unit_testnet.single.yml"
 	cfg, err := config.LoadFile(configPath)
 	require.NoError(t, err, "could not load config")
+	if f != nil {
+		f(&cfg)
+	}
 
 	memoryStore := storage.NewMemoryStore()
 	logger := zaptest.NewLogger(t)
@@ -85,6 +88,10 @@ func newTestChain(t *testing.T) (*core.Blockchain, *server.Server, *network.Serv
 }
 
 func newExecutor(t *testing.T, needChain bool) *executor {
+	return newExecutorWithConfig(t, needChain, nil)
+}
+
+func newExecutorWithConfig(t *testing.T, needChain bool, f func(*config.Config)) *executor {
 	e := &executor{
 		CLI: newApp(),
 		Out: bytes.NewBuffer(nil),
@@ -97,7 +104,7 @@ func newExecutor(t *testing.T, needChain bool) *executor {
 	require.Nil(t, input.Terminal) // check that tests clean up properly
 	input.Terminal = terminal.NewTerminal(rw, "")
 	if needChain {
-		e.Chain, e.RPC, e.NetSrv = newTestChain(t)
+		e.Chain, e.RPC, e.NetSrv = newTestChain(t, f)
 	}
 	return e
 }
diff --git a/cli/smartcontract/smart_contract.go b/cli/smartcontract/smart_contract.go
index 4f90d9c7c..270a4014b 100644
--- a/cli/smartcontract/smart_contract.go
+++ b/cli/smartcontract/smart_contract.go
@@ -773,6 +773,9 @@ func contractDeploy(ctx *cli.Context) error {
 	}
 	// It doesn't require any signers.
 	invRes, err := c.InvokeScript(txScript, nil)
+	if err == nil && invRes.FaultException != "" {
+		err = errors.New(invRes.FaultException)
+	}
 	if err != nil {
 		return cli.NewExitError(fmt.Errorf("failed to test-invoke deployment script: %w", err), 1)
 	}
diff --git a/pkg/rpc/response/result/invoke.go b/pkg/rpc/response/result/invoke.go
index 922dcdcad..bfd4c72ea 100644
--- a/pkg/rpc/response/result/invoke.go
+++ b/pkg/rpc/response/result/invoke.go
@@ -26,7 +26,7 @@ type Invoke struct {
 
 type invokeAux struct {
 	State          string          `json:"state"`
-	GasConsumed    fixedn.Fixed8   `json:"gasconsumed,string"`
+	GasConsumed    fixedn.Fixed8   `json:"gasconsumed"`
 	Script         []byte          `json:"script"`
 	Stack          json.RawMessage `json:"stack"`
 	FaultException string          `json:"exception,omitempty"`
diff --git a/pkg/rpc/response/result/invoke_test.go b/pkg/rpc/response/result/invoke_test.go
index 611831acb..f1975d42b 100644
--- a/pkg/rpc/response/result/invoke_test.go
+++ b/pkg/rpc/response/result/invoke_test.go
@@ -6,7 +6,6 @@ import (
 	"math/big"
 	"testing"
 
-	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"github.com/stretchr/testify/require"
 )
@@ -14,7 +13,7 @@ import (
 func TestInvoke_MarshalJSON(t *testing.T) {
 	result := &Invoke{
 		State:          "HALT",
-		GasConsumed:    int64(fixedn.Fixed8FromFloat(123.45)),
+		GasConsumed:    237626000,
 		Script:         []byte{10},
 		Stack:          []stackitem.Item{stackitem.NewBigInteger(big.NewInt(1))},
 		FaultException: "",
@@ -26,7 +25,7 @@ func TestInvoke_MarshalJSON(t *testing.T) {
 	require.NoError(t, err)
 	expected := `{
 		"state":"HALT",
-		"gasconsumed":"123.45",
+		"gasconsumed":"2.37626",
 		"script":"` + base64.StdEncoding.EncodeToString(result.Script) + `",
 		"stack":[
 			{"type":"Integer","value":"1"}