496 lines
10 KiB
Go
496 lines
10 KiB
Go
package event
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import (
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/network/payload"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/stretchr/testify/require"
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)
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var (
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alphaKeys keys.PublicKeys
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wrongAlphaKeys keys.PublicKeys
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dummyInvocationScript = append([]byte{byte(opcode.PUSHDATA1), 64}, make([]byte, 64)...)
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wrongDummyInvocationScript = append([]byte{byte(opcode.PUSHDATA1), 64, 1}, make([]byte, 63)...)
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scriptHash util.Uint160
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)
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func init() {
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privat, _ := keys.NewPrivateKey()
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pub := privat.PublicKey()
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alphaKeys = keys.PublicKeys{pub}
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wrongPrivat, _ := keys.NewPrivateKey()
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wrongPub := wrongPrivat.PublicKey()
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wrongAlphaKeys = keys.PublicKeys{wrongPub}
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scriptHash, _ = util.Uint160DecodeStringLE("21fce15191428e9c2f0e8d0329ff6d3dd14882de")
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}
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type blockCounter struct {
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epoch uint32
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err error
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}
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func (b blockCounter) BlockCount() (res uint32, err error) {
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return b.epoch, b.err
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}
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func TestPrepare_IncorrectScript(t *testing.T) {
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preparator := notaryPreparator(
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PreparatorPrm{
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alphaKeysSource(),
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blockCounter{100, nil},
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},
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)
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t.Run("not contract call", func(t *testing.T) {
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bw := io.NewBufBinWriter()
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emit.Int(bw.BinWriter, 4)
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emit.String(bw.BinWriter, "test")
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emit.Bytes(bw.BinWriter, scriptHash.BytesBE())
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emit.Syscall(bw.BinWriter, interopnames.SystemContractCallNative) // any != interopnames.SystemContractCall
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nr := correctNR(bw.Bytes(), false)
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_, err := preparator.Prepare(nr)
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require.EqualError(t, err, errNotContractCall.Error())
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})
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t.Run("incorrect ", func(t *testing.T) {
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bw := io.NewBufBinWriter()
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emit.Int(bw.BinWriter, -1)
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emit.String(bw.BinWriter, "test")
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emit.Bytes(bw.BinWriter, scriptHash.BytesBE())
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emit.Syscall(bw.BinWriter, interopnames.SystemContractCall)
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nr := correctNR(bw.Bytes(), false)
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_, err := preparator.Prepare(nr)
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require.EqualError(t, err, errIncorrectCallFlag.Error())
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})
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}
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func TestPrepare_IncorrectNR(t *testing.T) {
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type (
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mTX struct {
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sigs []transaction.Signer
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scripts []transaction.Witness
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attrs []transaction.Attribute
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}
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fbTX struct {
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attrs []transaction.Attribute
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}
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)
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setIncorrectFields := func(nr payload.P2PNotaryRequest, m mTX, f fbTX) payload.P2PNotaryRequest {
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if m.sigs != nil {
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nr.MainTransaction.Signers = m.sigs
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}
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if m.scripts != nil {
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nr.MainTransaction.Scripts = m.scripts
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}
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if m.attrs != nil {
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nr.MainTransaction.Attributes = m.attrs
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}
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if f.attrs != nil {
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nr.FallbackTransaction.Attributes = f.attrs
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}
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return nr
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}
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alphaVerificationScript, _ := smartcontract.CreateMultiSigRedeemScript(len(alphaKeys)*2/3+1, alphaKeys)
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wrongAlphaVerificationScript, _ := smartcontract.CreateMultiSigRedeemScript(len(wrongAlphaKeys)*2/3+1, wrongAlphaKeys)
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tests := []struct {
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name string
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addW bool // additional witness for non alphabet invocations
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mTX mTX
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fbTX fbTX
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expErr error
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}{
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{
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name: "incorrect witness amount",
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addW: false,
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mTX: mTX{
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scripts: []transaction.Witness{{}},
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},
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expErr: errUnexpectedWitnessAmount,
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},
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{
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name: "not dummy invocation script",
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addW: false,
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mTX: mTX{
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scripts: []transaction.Witness{
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{},
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{
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InvocationScript: wrongDummyInvocationScript,
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},
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{},
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},
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},
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expErr: ErrTXAlreadyHandled,
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},
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{
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name: "incorrect main TX signers amount",
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addW: false,
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mTX: mTX{
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sigs: []transaction.Signer{{}},
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},
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expErr: errUnexpectedCosignersAmount,
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},
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{
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name: "incorrect main TX Alphabet signer",
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addW: false,
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mTX: mTX{
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sigs: []transaction.Signer{
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{},
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{
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Account: hash.Hash160(wrongAlphaVerificationScript),
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},
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{},
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},
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},
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expErr: errIncorrectAlphabetSigner,
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},
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{
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name: "incorrect main TX attribute amount",
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addW: false,
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mTX: mTX{
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attrs: []transaction.Attribute{{}, {}},
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},
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expErr: errIncorrectAttributesAmount,
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},
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{
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name: "incorrect main TX attribute",
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addW: false,
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mTX: mTX{
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attrs: []transaction.Attribute{
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{
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Value: &transaction.NotaryAssisted{
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NKeys: uint8(len(alphaKeys) + 1),
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},
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},
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},
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},
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expErr: errIncorrectAttribute,
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},
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{
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name: "incorrect main TX proxy witness",
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addW: false,
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mTX: mTX{
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scripts: []transaction.Witness{
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{
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InvocationScript: make([]byte, 1),
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},
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{
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InvocationScript: dummyInvocationScript,
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},
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{},
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},
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},
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expErr: errIncorrectProxyWitnesses,
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},
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{
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name: "incorrect main TX Alphabet witness",
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addW: false,
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mTX: mTX{
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scripts: []transaction.Witness{
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{},
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{
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VerificationScript: wrongAlphaVerificationScript,
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InvocationScript: dummyInvocationScript,
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},
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{},
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},
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},
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expErr: errIncorrectAlphabet,
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},
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{
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name: "incorrect main TX Notary witness",
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addW: false,
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mTX: mTX{
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scripts: []transaction.Witness{
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{},
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{
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VerificationScript: alphaVerificationScript,
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InvocationScript: dummyInvocationScript,
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},
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{
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InvocationScript: wrongDummyInvocationScript,
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},
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},
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},
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expErr: errIncorrectNotaryPlaceholder,
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},
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{
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name: "incorrect fb TX attributes amount",
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addW: false,
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fbTX: fbTX{
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attrs: []transaction.Attribute{{}},
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},
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expErr: errIncorrectFBAttributesAmount,
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},
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{
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name: "incorrect fb TX attributes",
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addW: false,
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fbTX: fbTX{
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attrs: []transaction.Attribute{{}, {}, {}},
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},
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expErr: errIncorrectFBAttributes,
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},
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{
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name: "expired fb TX",
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addW: false,
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fbTX: fbTX{
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[]transaction.Attribute{
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{},
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{
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Type: transaction.NotValidBeforeT,
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Value: &transaction.NotValidBefore{
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Height: 1,
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},
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},
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{},
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},
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},
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expErr: ErrMainTXExpired,
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},
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{
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name: "incorrect invoker TX Alphabet witness",
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addW: true,
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mTX: mTX{
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scripts: []transaction.Witness{
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{},
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{
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VerificationScript: alphaVerificationScript,
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InvocationScript: dummyInvocationScript,
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},
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{},
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{},
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},
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},
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expErr: errIncorrectInvokerWitnesses,
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},
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{
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name: "incorrect main TX attribute with invoker",
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addW: true,
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mTX: mTX{
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attrs: []transaction.Attribute{
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{
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Value: &transaction.NotaryAssisted{
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NKeys: uint8(len(alphaKeys) + 2),
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},
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},
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},
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},
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expErr: errIncorrectAttribute,
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},
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}
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preparator := notaryPreparator(
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PreparatorPrm{
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alphaKeysSource(),
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blockCounter{100, nil},
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},
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)
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var (
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incorrectNR payload.P2PNotaryRequest
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err error
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)
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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correctNR := correctNR(nil, test.addW)
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incorrectNR = setIncorrectFields(*correctNR, test.mTX, test.fbTX)
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_, err = preparator.Prepare(&incorrectNR)
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require.EqualError(t, err, test.expErr.Error())
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})
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}
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}
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func TestPrepare_CorrectNR(t *testing.T) {
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tests := []struct {
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hash util.Uint160
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method string
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args []interface{}
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}{
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{
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scriptHash,
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"test1",
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nil,
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},
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{
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scriptHash,
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"test2",
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[]interface{}{
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int64(4),
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"test",
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[]interface{}{
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int64(4),
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false,
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true,
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},
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},
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},
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}
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preparator := notaryPreparator(
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PreparatorPrm{
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alphaKeysSource(),
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blockCounter{100, nil},
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},
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)
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for _, test := range tests {
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for i := 0; i < 1; i++ { // run tests against 3 and 4 witness NR
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additionalWitness := i == 0
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nr := correctNR(script(test.hash, test.method, test.args...), additionalWitness)
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event, err := preparator.Prepare(nr)
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require.NoError(t, err)
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require.Equal(t, test.method, event.Type().String())
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require.Equal(t, test.hash.StringLE(), event.ScriptHash().StringLE())
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// check args parsing
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bw := io.NewBufBinWriter()
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emit.Array(bw.BinWriter, test.args...)
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ctx := vm.NewContext(bw.Bytes())
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opCode, param, err := ctx.Next()
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require.NoError(t, err)
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for _, opGot := range event.Params() {
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require.Equal(t, opCode, opGot.code)
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require.Equal(t, param, opGot.param)
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opCode, param, err = ctx.Next()
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require.NoError(t, err)
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}
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_, _, err = ctx.Next() // PACK opcode
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require.NoError(t, err)
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_, _, err = ctx.Next() // packing len opcode
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require.NoError(t, err)
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opCode, _, err = ctx.Next()
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require.NoError(t, err)
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require.Equal(t, opcode.RET, opCode)
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}
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}
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}
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func alphaKeysSource() client.AlphabetKeys {
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return func() (keys.PublicKeys, error) {
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return alphaKeys, nil
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}
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}
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func script(hash util.Uint160, method string, args ...interface{}) []byte {
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bw := io.NewBufBinWriter()
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if len(args) > 0 {
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emit.AppCall(bw.BinWriter, hash, method, callflag.All, args)
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} else {
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emit.AppCallNoArgs(bw.BinWriter, hash, method, callflag.All)
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}
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return bw.Bytes()
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}
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func correctNR(script []byte, additionalWitness bool) *payload.P2PNotaryRequest {
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alphaVerificationScript, _ := smartcontract.CreateMultiSigRedeemScript(len(alphaKeys)*2/3+1, alphaKeys)
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signers := []transaction.Signer{
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{},
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{
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Account: hash.Hash160(alphaVerificationScript),
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},
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{},
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}
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if additionalWitness { // insert on element with index 2
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signers = append(signers[:2+1], signers[2:]...)
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signers[2] = transaction.Signer{Account: hash.Hash160(alphaVerificationScript)}
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}
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scripts := []transaction.Witness{
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{},
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{
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InvocationScript: dummyInvocationScript,
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VerificationScript: alphaVerificationScript,
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},
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{
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InvocationScript: dummyInvocationScript,
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},
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}
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if additionalWitness { // insert on element with index 2
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scripts = append(scripts[:2+1], scripts[2:]...)
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scripts[2] = transaction.Witness{
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InvocationScript: dummyInvocationScript,
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VerificationScript: alphaVerificationScript,
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}
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}
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nKeys := uint8(len(alphaKeys))
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if additionalWitness {
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nKeys++
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}
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return &payload.P2PNotaryRequest{
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MainTransaction: &transaction.Transaction{
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Signers: signers,
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Scripts: scripts,
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Attributes: []transaction.Attribute{
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{
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Value: &transaction.NotaryAssisted{
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NKeys: nKeys,
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},
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},
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},
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Script: script,
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},
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FallbackTransaction: &transaction.Transaction{
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Attributes: []transaction.Attribute{
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{},
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{
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Type: transaction.NotValidBeforeT,
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Value: &transaction.NotValidBefore{
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Height: 1000,
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},
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},
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{},
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},
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},
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}
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}
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