mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-12-25 03:56:34 +00:00
352 lines
9.2 KiB
Go
352 lines
9.2 KiB
Go
package consensus
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import (
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"encoding/hex"
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gio "io"
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"math/rand"
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"testing"
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"time"
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"github.com/CityOfZion/neo-go/pkg/core/transaction"
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"github.com/CityOfZion/neo-go/pkg/crypto/keys"
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"github.com/CityOfZion/neo-go/pkg/io"
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"github.com/CityOfZion/neo-go/pkg/util"
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"github.com/CityOfZion/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/dbft/payload"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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var messageTypes = []messageType{
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changeViewType,
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prepareRequestType,
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prepareResponseType,
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commitType,
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recoveryRequestType,
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recoveryMessageType,
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}
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func TestConsensusPayload_Setters(t *testing.T) {
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var p Payload
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p.SetVersion(1)
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assert.EqualValues(t, 1, p.Version())
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p.SetPrevHash(util.Uint256{1, 2, 3})
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assert.Equal(t, util.Uint256{1, 2, 3}, p.PrevHash())
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p.SetValidatorIndex(4)
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assert.EqualValues(t, 4, p.ValidatorIndex())
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p.SetHeight(11)
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assert.EqualValues(t, 11, p.Height())
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p.SetViewNumber(2)
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assert.EqualValues(t, 2, p.ViewNumber())
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p.SetType(payload.PrepareRequestType)
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assert.Equal(t, payload.PrepareRequestType, p.Type())
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pl := randomMessage(t, prepareRequestType)
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p.SetPayload(pl)
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require.Equal(t, pl, p.Payload())
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require.Equal(t, pl, p.GetPrepareRequest())
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pl = randomMessage(t, prepareResponseType)
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p.SetPayload(pl)
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require.Equal(t, pl, p.GetPrepareResponse())
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pl = randomMessage(t, commitType)
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p.SetPayload(pl)
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require.Equal(t, pl, p.GetCommit())
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pl = randomMessage(t, changeViewType)
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p.SetPayload(pl)
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require.Equal(t, pl, p.GetChangeView())
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pl = randomMessage(t, recoveryRequestType)
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p.SetPayload(pl)
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require.Equal(t, pl, p.GetRecoveryRequest())
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pl = randomMessage(t, recoveryMessageType)
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p.SetPayload(pl)
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require.Equal(t, pl, p.GetRecoveryMessage())
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}
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func TestConsensusPayload_Hash(t *testing.T) {
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dataHex := "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"
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data, err := hex.DecodeString(dataHex)
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require.NoError(t, err)
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r := io.NewBinReaderFromBuf(data)
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var p Payload
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p.DecodeBinary(r)
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require.NoError(t, err)
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require.Equal(t, p.Hash().String(), "45859759c8491597804f1922773947e0d37bf54484af82f80cd642f7b063aa56")
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}
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func TestConsensusPayload_Serializable(t *testing.T) {
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for _, mt := range messageTypes {
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p := randomPayload(t, mt)
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testSerializable(t, p, new(Payload))
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data := p.MarshalUnsigned()
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pu := new(Payload)
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require.NoError(t, pu.UnmarshalUnsigned(data))
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p.Witness = transaction.Witness{}
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require.Equal(t, p, pu)
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}
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}
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func TestConsensusPayload_DecodeBinaryInvalid(t *testing.T) {
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// PrepareResponse ConsensusPayload consists of:
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// 46-byte common prefix
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// 1-byte varint length of the payload (34),
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// - 1-byte view number
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// - 1-byte message type (PrepareResponse)
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// - 32-byte preparation hash
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// 1-byte delimiter (1)
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// 2-byte for empty invocation and verification scripts
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const (
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lenIndex = 46
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typeIndex = 47
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delimeterIndex = 81
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)
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buf := make([]byte, 46+1+34+1+2)
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expected := &Payload{
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message: message{
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Type: prepareResponseType,
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payload: &prepareResponse{},
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},
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Witness: transaction.Witness{
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InvocationScript: []byte{},
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VerificationScript: []byte{},
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},
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}
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// valid payload
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buf[delimeterIndex] = 1
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buf[lenIndex] = 34
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buf[typeIndex] = byte(prepareResponseType)
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r := io.NewBinReaderFromBuf(buf)
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p := new(Payload)
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p.DecodeBinary(r)
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require.NoError(t, r.Err)
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require.Equal(t, expected, p)
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// invalid type
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buf[typeIndex] = 0xFF
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r = io.NewBinReaderFromBuf(buf)
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new(Payload).DecodeBinary(r)
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require.Error(t, r.Err)
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// invalid format
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buf[delimeterIndex] = 0
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buf[typeIndex] = byte(prepareResponseType)
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r = io.NewBinReaderFromBuf(buf)
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new(Payload).DecodeBinary(r)
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require.Error(t, r.Err)
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// invalid message length
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buf[delimeterIndex] = 1
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buf[lenIndex] = 0xFF
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buf[typeIndex] = byte(prepareResponseType)
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r = io.NewBinReaderFromBuf(buf)
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new(Payload).DecodeBinary(r)
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require.Error(t, r.Err)
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}
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func TestCommit_Serializable(t *testing.T) {
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c := randomMessage(t, commitType)
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testSerializable(t, c, new(commit))
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}
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func TestPrepareResponse_Serializable(t *testing.T) {
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resp := randomMessage(t, prepareResponseType)
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testSerializable(t, resp, new(prepareResponse))
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}
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func TestPrepareRequest_Serializable(t *testing.T) {
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req := randomMessage(t, prepareRequestType)
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testSerializable(t, req, new(prepareRequest))
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}
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func TestRecoveryRequest_Serializable(t *testing.T) {
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req := randomMessage(t, recoveryRequestType)
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testSerializable(t, req, new(recoveryRequest))
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}
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func TestRecoveryMessage_Serializable(t *testing.T) {
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msg := randomMessage(t, recoveryMessageType)
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testSerializable(t, msg, new(recoveryMessage))
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}
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func randomPayload(t *testing.T, mt messageType) *Payload {
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p := &Payload{
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message: message{
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Type: mt,
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ViewNumber: byte(rand.Uint32()),
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payload: randomMessage(t, mt),
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},
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version: 1,
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validatorIndex: 13,
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height: rand.Uint32(),
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timestamp: rand.Uint32(),
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Witness: transaction.Witness{
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InvocationScript: fillRandom(t, make([]byte, 3)),
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VerificationScript: []byte{byte(opcode.PUSH0)},
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},
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}
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fillRandom(t, p.prevHash[:])
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if mt == changeViewType {
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p.payload.(*changeView).newViewNumber = p.ViewNumber() + 1
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}
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return p
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}
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func randomMessage(t *testing.T, mt messageType) io.Serializable {
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switch mt {
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case changeViewType:
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return &changeView{
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timestamp: rand.Uint32(),
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}
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case prepareRequestType:
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return randomPrepareRequest(t)
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case prepareResponseType:
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resp := &prepareResponse{}
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fillRandom(t, resp.preparationHash[:])
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return resp
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case commitType:
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var c commit
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fillRandom(t, c.signature[:])
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return &c
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case recoveryRequestType:
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return &recoveryRequest{timestamp: rand.Uint32()}
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case recoveryMessageType:
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return randomRecoveryMessage(t)
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default:
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require.Fail(t, "invalid type")
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return nil
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}
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}
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func randomPrepareRequest(t *testing.T) *prepareRequest {
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const txCount = 3
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req := &prepareRequest{
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timestamp: rand.Uint32(),
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nonce: rand.Uint64(),
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transactionHashes: make([]util.Uint256, txCount),
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minerTx: *newMinerTx(rand.Uint32()),
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}
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req.transactionHashes[0] = req.minerTx.Hash()
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for i := 1; i < txCount; i++ {
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fillRandom(t, req.transactionHashes[i][:])
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}
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fillRandom(t, req.nextConsensus[:])
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return req
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}
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func randomRecoveryMessage(t *testing.T) *recoveryMessage {
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result := randomMessage(t, prepareRequestType)
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require.IsType(t, (*prepareRequest)(nil), result)
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prepReq := result.(*prepareRequest)
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return &recoveryMessage{
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preparationPayloads: []*preparationCompact{
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{
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ValidatorIndex: 1,
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InvocationScript: fillRandom(t, make([]byte, 10)),
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},
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},
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commitPayloads: []*commitCompact{
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{
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ViewNumber: 0,
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ValidatorIndex: 1,
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Signature: [64]byte{1, 2, 3},
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InvocationScript: fillRandom(t, make([]byte, 20)),
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},
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{
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ViewNumber: 0,
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ValidatorIndex: 2,
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Signature: [64]byte{11, 3, 4, 98},
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InvocationScript: fillRandom(t, make([]byte, 10)),
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},
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},
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changeViewPayloads: []*changeViewCompact{
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{
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Timestamp: rand.Uint32(),
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ValidatorIndex: 3,
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OriginalViewNumber: 3,
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InvocationScript: fillRandom(t, make([]byte, 4)),
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},
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},
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prepareRequest: &message{
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Type: prepareRequestType,
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payload: prepReq,
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},
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}
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}
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func TestPayload_Sign(t *testing.T) {
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key, err := keys.NewPrivateKey()
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require.NoError(t, err)
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priv := &privateKey{key}
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p := randomPayload(t, prepareRequestType)
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require.False(t, p.Verify(util.Uint160{}))
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require.NoError(t, p.Sign(priv))
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require.True(t, p.Verify(p.Witness.ScriptHash()))
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}
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func TestMessageType_String(t *testing.T) {
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require.Equal(t, "ChangeView", changeViewType.String())
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require.Equal(t, "PrepareRequest", prepareRequestType.String())
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require.Equal(t, "PrepareResponse", prepareResponseType.String())
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require.Equal(t, "Commit", commitType.String())
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require.Equal(t, "RecoveryMessage", recoveryMessageType.String())
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require.Equal(t, "RecoveryRequest", recoveryRequestType.String())
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require.Equal(t, "UNKNOWN(0xff)", messageType(0xff).String())
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}
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func testSerializable(t *testing.T, expected, actual io.Serializable) {
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w := io.NewBufBinWriter()
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expected.EncodeBinary(w.BinWriter)
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r := io.NewBinReaderFromBuf(w.Bytes())
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actual.DecodeBinary(r)
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require.Equal(t, expected, actual)
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}
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func fillRandom(t *testing.T, buf []byte) []byte {
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r := rand.New(rand.NewSource(time.Now().Unix()))
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_, err := gio.ReadFull(r, buf)
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require.NoError(t, err)
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return buf
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}
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func newMinerTx(nonce uint32) *transaction.Transaction {
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return &transaction.Transaction{
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Type: transaction.MinerType,
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Version: 0,
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Data: &transaction.MinerTX{
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Nonce: rand.Uint32(),
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},
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Attributes: []transaction.Attribute{},
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Inputs: []transaction.Input{},
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Outputs: []transaction.Output{},
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Scripts: []transaction.Witness{},
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Trimmed: false,
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}
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}
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