package transaction import ( "encoding/base64" "encoding/hex" "errors" "math" "testing" "github.com/nspcc-dev/neo-go/pkg/config/netmode" "github.com/nspcc-dev/neo-go/pkg/encoding/address" "github.com/nspcc-dev/neo-go/pkg/internal/testserdes" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestWitnessEncodeDecode(t *testing.T) { verif, err := hex.DecodeString("552102486fd15702c4490a26703112a5cc1d0923fd697a33406bd5a1c00e0013b09a7021024c7b7fb6c310fccf1ba33b082519d82964ea93868d676662d4a59ad548df0e7d2102aaec38470f6aad0042c6e877cfd8087d2676b0f516fddd362801b9bd3936399e2103b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c2103b8d9d5771d8f513aa0869b9cc8d50986403b78c6da36890638c3d46a5adce04a2102ca0e27697b9c248f6f16e085fd0061e26f44da85b58ee835c110caa5ec3ba5542102df48f60e8f3e01c48ff40b9b7f1310d7a8b2a193188befe1c2e3df740e89509357ae") assert.Nil(t, err) invoc, err := hex.DecodeString("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") assert.Nil(t, err) lenInvoc := len(invoc) lenVerif := len(verif) t.Log(lenInvoc) t.Log(lenVerif) wit := &Witness{ InvocationScript: invoc, VerificationScript: verif, } witDecode := &Witness{} testserdes.EncodeDecodeBinary(t, wit, witDecode) t.Log(len(witDecode.VerificationScript)) t.Log(len(witDecode.InvocationScript)) } func TestDecodeEncodeInvocationTX(t *testing.T) { tx := decodeTransaction(rawInvocationTX, t) script := "AwB0O6QLAAAADBSqB8w/IZOpc5BKCabmC4fx+WJzlwwU+BPCzI4Yu+SzuH+O+RBbULuTkY4TwAwIdHJhbnNmZXIMFLyvQdaEx9StbuDZnalwe50fDI5mQWJ9W1I4" assert.Equal(t, script, base64.StdEncoding.EncodeToString(tx.Script)) assert.Equal(t, uint32(1325564094), tx.Nonce) assert.Equal(t, int64(9007990), tx.SystemFee) assert.Equal(t, int64(1252390), tx.NetworkFee) assert.Equal(t, uint32(2163940), tx.ValidUntilBlock) assert.Equal(t, "58ea0709dac398c451fd51fdf4466f5257c77927c7909834a0ef3b469cd1a2ce", tx.Hash().StringLE()) assert.Equal(t, 1, len(tx.Signers)) assert.Equal(t, CalledByEntry, tx.Signers[0].Scopes) assert.Equal(t, "NiXgSLtGUjTRTgp4y9ax7vyJ9UZAjsRDVt", address.Uint160ToString(tx.Signers[0].Account)) assert.Equal(t, 0, len(tx.Attributes)) invoc := "DEAjYLv2S5ZEwl8Gbb1AZFSwern1bo4l2S2QyWxZj2wp2X6r3PIm81dUgWYs/N0GTuQQl45frj8JovgxKbqc2CZB" verif := "DCEDyvdj+R02kcultd8+sT5mj9rOApWzfi4ln9D7FS01T5ALQZVEDXg=" assert.Equal(t, 1, len(tx.Scripts)) assert.Equal(t, invoc, base64.StdEncoding.EncodeToString(tx.Scripts[0].InvocationScript)) assert.Equal(t, verif, base64.StdEncoding.EncodeToString(tx.Scripts[0].VerificationScript)) data, err := testserdes.EncodeBinary(tx) assert.NoError(t, err) assert.Equal(t, rawInvocationTX, hex.EncodeToString(data)) } func TestNew(t *testing.T) { script := []byte{0x51} tx := New(netmode.UnitTestNet, script, 1) tx.Signers = []Signer{{Account: util.Uint160{1, 2, 3}}} assert.Equal(t, int64(1), tx.SystemFee) assert.Equal(t, script, tx.Script) // Update hash fields to match tx2 that is gonna autoupdate them on decode. _ = tx.Hash() _ = tx.Size() testserdes.EncodeDecodeBinary(t, tx, &Transaction{Network: netmode.UnitTestNet}) } func TestNewTransactionFromBytes(t *testing.T) { script := []byte{0x51} tx := New(netmode.UnitTestNet, script, 1) tx.NetworkFee = 123 tx.Signers = []Signer{{Account: util.Uint160{1, 2, 3}}} data, err := testserdes.EncodeBinary(tx) require.NoError(t, err) // set cached fields tx.Hash() tx.FeePerByte() tx1, err := NewTransactionFromBytes(netmode.UnitTestNet, data) require.NoError(t, err) require.Equal(t, tx, tx1) data = append(data, 42) _, err = NewTransactionFromBytes(netmode.UnitTestNet, data) require.Error(t, err) } func TestEncodingTXWithNoScript(t *testing.T) { _, err := testserdes.EncodeBinary(new(Transaction)) require.Error(t, err) } func TestDecodingTXWithNoScript(t *testing.T) { txBin, err := hex.DecodeString("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000") require.NoError(t, err) err = testserdes.DecodeBinary(txBin, new(Transaction)) require.Error(t, err) } func TestMarshalUnmarshalJSONInvocationTX(t *testing.T) { tx := &Transaction{ Version: 0, Signers: []Signer{{Account: util.Uint160{1, 2, 3}}}, Script: []byte{1, 2, 3, 4}, Attributes: []Attribute{{Type: HighPriority}}, Scripts: []Witness{}, Trimmed: false, } testserdes.MarshalUnmarshalJSON(t, tx, new(Transaction)) } func TestTransaction_HasAttribute(t *testing.T) { tx := New(netmode.UnitTestNet, []byte{1}, 0) require.False(t, tx.HasAttribute(HighPriority)) tx.Attributes = append(tx.Attributes, Attribute{Type: HighPriority}) require.True(t, tx.HasAttribute(HighPriority)) tx.Attributes = append(tx.Attributes, Attribute{Type: HighPriority}) require.True(t, tx.HasAttribute(HighPriority)) } func TestTransaction_isValid(t *testing.T) { newTx := func() *Transaction { return &Transaction{ Version: 0, SystemFee: 100, NetworkFee: 100, Signers: []Signer{ {Account: util.Uint160{1, 2, 3}}, { Account: util.Uint160{4, 5, 6}, Scopes: Global, }, }, Script: []byte{1, 2, 3, 4}, Attributes: []Attribute{}, Scripts: []Witness{}, Trimmed: false, } } t.Run("Valid", func(t *testing.T) { t.Run("NoAttributes", func(t *testing.T) { tx := newTx() require.NoError(t, tx.isValid()) }) t.Run("HighPriority", func(t *testing.T) { tx := newTx() tx.Attributes = []Attribute{{Type: HighPriority}} require.NoError(t, tx.isValid()) }) }) t.Run("InvalidVersion", func(t *testing.T) { tx := newTx() tx.Version = 1 require.True(t, errors.Is(tx.isValid(), ErrInvalidVersion)) }) t.Run("NegativeSystemFee", func(t *testing.T) { tx := newTx() tx.SystemFee = -1 require.True(t, errors.Is(tx.isValid(), ErrNegativeSystemFee)) }) t.Run("NegativeNetworkFee", func(t *testing.T) { tx := newTx() tx.NetworkFee = -1 require.True(t, errors.Is(tx.isValid(), ErrNegativeNetworkFee)) }) t.Run("TooBigFees", func(t *testing.T) { tx := newTx() tx.SystemFee = math.MaxInt64 - tx.NetworkFee + 1 require.True(t, errors.Is(tx.isValid(), ErrTooBigFees)) }) t.Run("EmptySigners", func(t *testing.T) { tx := newTx() tx.Signers = tx.Signers[:0] require.True(t, errors.Is(tx.isValid(), ErrEmptySigners)) }) t.Run("NonUniqueSigners", func(t *testing.T) { tx := newTx() tx.Signers[1].Account = tx.Signers[0].Account require.True(t, errors.Is(tx.isValid(), ErrNonUniqueSigners)) }) t.Run("MultipleHighPriority", func(t *testing.T) { tx := newTx() tx.Attributes = []Attribute{ {Type: HighPriority}, {Type: HighPriority}, } require.True(t, errors.Is(tx.isValid(), ErrInvalidAttribute)) }) t.Run("MultipleOracle", func(t *testing.T) { tx := newTx() tx.Attributes = []Attribute{ {Type: OracleResponseT}, {Type: OracleResponseT}, } require.True(t, errors.Is(tx.isValid(), ErrInvalidAttribute)) }) t.Run("NoScript", func(t *testing.T) { tx := newTx() tx.Script = []byte{} require.True(t, errors.Is(tx.isValid(), ErrEmptyScript)) }) }