360 lines
12 KiB
Go
360 lines
12 KiB
Go
package core
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import (
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"encoding/binary"
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"errors"
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"fmt"
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"strings"
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"sync/atomic"
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/internal/testchain"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/util/slice"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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func TestVerifyHeader(t *testing.T) {
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bc := newTestChain(t)
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prev := bc.topBlock.Load().(*block.Block).Header
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t.Run("Invalid", func(t *testing.T) {
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t.Run("Hash", func(t *testing.T) {
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h := prev.Hash()
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h[0] = ^h[0]
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hdr := newBlock(bc.config, 1, h).Header
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require.True(t, errors.Is(bc.verifyHeader(&hdr, &prev), ErrHdrHashMismatch))
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})
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t.Run("Index", func(t *testing.T) {
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hdr := newBlock(bc.config, 3, prev.Hash()).Header
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require.True(t, errors.Is(bc.verifyHeader(&hdr, &prev), ErrHdrIndexMismatch))
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})
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t.Run("Timestamp", func(t *testing.T) {
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hdr := newBlock(bc.config, 1, prev.Hash()).Header
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hdr.Timestamp = 0
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require.True(t, errors.Is(bc.verifyHeader(&hdr, &prev), ErrHdrInvalidTimestamp))
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})
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})
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t.Run("Valid", func(t *testing.T) {
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hdr := newBlock(bc.config, 1, prev.Hash()).Header
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require.NoError(t, bc.verifyHeader(&hdr, &prev))
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})
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}
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func TestAddBlock(t *testing.T) {
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const size = 3
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bc := newTestChain(t)
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blocks, err := bc.genBlocks(size)
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require.NoError(t, err)
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lastBlock := blocks[len(blocks)-1]
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assert.Equal(t, lastBlock.Index, bc.HeaderHeight())
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assert.Equal(t, lastBlock.Hash(), bc.CurrentHeaderHash())
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// This one tests persisting blocks, so it does need to persist()
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_, err = bc.persist(false)
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require.NoError(t, err)
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key := make([]byte, 1+util.Uint256Size)
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key[0] = byte(storage.DataExecutable)
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for _, block := range blocks {
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copy(key[1:], block.Hash().BytesBE())
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_, err := bc.dao.Store.Get(key)
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require.NoErrorf(t, err, "block %s not persisted", block.Hash())
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}
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assert.Equal(t, lastBlock.Index, bc.BlockHeight())
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assert.Equal(t, lastBlock.Hash(), bc.CurrentHeaderHash())
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}
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func TestRemoveOldTransfers(t *testing.T) {
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// Creating proper number of transfers/blocks takes unnecessary time, so emulate
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// some DB with stale entries.
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bc := newTestChain(t)
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h, err := bc.GetHeader(bc.GetHeaderHash(0))
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require.NoError(t, err)
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older := h.Timestamp - 1000
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newer := h.Timestamp + 1000
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acc1 := util.Uint160{1}
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acc2 := util.Uint160{2}
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acc3 := util.Uint160{3}
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ttl := state.TokenTransferLog{Raw: []byte{1}} // It's incorrect, but who cares.
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for i := uint32(0); i < 3; i++ {
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bc.dao.PutTokenTransferLog(acc1, older, i, false, &ttl)
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}
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for i := uint32(0); i < 3; i++ {
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bc.dao.PutTokenTransferLog(acc2, newer, i, false, &ttl)
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}
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for i := uint32(0); i < 2; i++ {
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bc.dao.PutTokenTransferLog(acc3, older, i, true, &ttl)
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}
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for i := uint32(0); i < 2; i++ {
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bc.dao.PutTokenTransferLog(acc3, newer, i, true, &ttl)
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}
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_, err = bc.dao.Persist()
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require.NoError(t, err)
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_ = bc.removeOldTransfers(0)
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for i := uint32(0); i < 2; i++ {
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log, err := bc.dao.GetTokenTransferLog(acc1, older, i, false)
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require.NoError(t, err)
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require.Equal(t, 0, len(log.Raw))
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}
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log, err := bc.dao.GetTokenTransferLog(acc1, older, 2, false)
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require.NoError(t, err)
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require.NotEqual(t, 0, len(log.Raw))
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for i := uint32(0); i < 3; i++ {
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log, err = bc.dao.GetTokenTransferLog(acc2, newer, i, false)
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require.NoError(t, err)
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require.NotEqual(t, 0, len(log.Raw))
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}
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log, err = bc.dao.GetTokenTransferLog(acc3, older, 0, true)
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require.NoError(t, err)
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require.Equal(t, 0, len(log.Raw))
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log, err = bc.dao.GetTokenTransferLog(acc3, older, 1, true)
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require.NoError(t, err)
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require.NotEqual(t, 0, len(log.Raw))
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for i := uint32(0); i < 2; i++ {
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log, err = bc.dao.GetTokenTransferLog(acc3, newer, i, true)
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require.NoError(t, err)
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require.NotEqual(t, 0, len(log.Raw))
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}
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}
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func TestBlockchain_InitWithIncompleteStateJump(t *testing.T) {
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var (
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stateSyncInterval = 4
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maxTraceable uint32 = 6
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)
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spountCfg := func(c *config.Config) {
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c.ProtocolConfiguration.RemoveUntraceableBlocks = true
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c.ProtocolConfiguration.StateRootInHeader = true
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c.ProtocolConfiguration.P2PStateExchangeExtensions = true
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c.ProtocolConfiguration.StateSyncInterval = stateSyncInterval
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c.ProtocolConfiguration.MaxTraceableBlocks = maxTraceable
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c.ProtocolConfiguration.KeepOnlyLatestState = true
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}
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bcSpout := newTestChainWithCustomCfg(t, spountCfg)
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// Generate some content.
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for i := 0; i < len(bcSpout.GetConfig().StandbyCommittee); i++ {
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require.NoError(t, bcSpout.AddBlock(bcSpout.newBlock()))
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}
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// reach next to the latest state sync point and pretend that we've just restored
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stateSyncPoint := (int(bcSpout.BlockHeight())/stateSyncInterval + 1) * stateSyncInterval
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for i := bcSpout.BlockHeight() + 1; i <= uint32(stateSyncPoint); i++ {
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require.NoError(t, bcSpout.AddBlock(bcSpout.newBlock()))
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}
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require.Equal(t, uint32(stateSyncPoint), bcSpout.BlockHeight())
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b := bcSpout.newBlock()
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require.NoError(t, bcSpout.AddHeaders(&b.Header))
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// put storage items with STTemp prefix
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batch := storage.NewMemCachedStore(bcSpout.dao.Store)
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tempPrefix := storage.STTempStorage
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if bcSpout.dao.Version.StoragePrefix == tempPrefix {
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tempPrefix = storage.STStorage
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}
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bPrefix := make([]byte, 1)
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bPrefix[0] = byte(bcSpout.dao.Version.StoragePrefix)
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bcSpout.dao.Store.Seek(storage.SeekRange{Prefix: bPrefix}, func(k, v []byte) bool {
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key := slice.Copy(k)
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key[0] = byte(tempPrefix)
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value := slice.Copy(v)
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batch.Put(key, value)
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return true
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})
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_, err := batch.Persist()
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require.NoError(t, err)
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checkNewBlockchainErr := func(t *testing.T, cfg func(c *config.Config), store storage.Store, errText string) {
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unitTestNetCfg, err := config.Load("../../config", testchain.Network())
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require.NoError(t, err)
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cfg(&unitTestNetCfg)
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log := zaptest.NewLogger(t)
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_, err = NewBlockchain(store, unitTestNetCfg.ProtocolConfiguration, log)
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if len(errText) != 0 {
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require.Error(t, err)
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require.True(t, strings.Contains(err.Error(), errText))
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} else {
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require.NoError(t, err)
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}
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}
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boltCfg := func(c *config.Config) {
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spountCfg(c)
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c.ProtocolConfiguration.KeepOnlyLatestState = true
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}
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// manually store statejump stage to check statejump recover process
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bPrefix[0] = byte(storage.SYSStateJumpStage)
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t.Run("invalid RemoveUntraceableBlocks setting", func(t *testing.T) {
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bcSpout.dao.Store.Put(bPrefix, []byte{byte(stateJumpStarted)})
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checkNewBlockchainErr(t, func(c *config.Config) {
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boltCfg(c)
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c.ProtocolConfiguration.RemoveUntraceableBlocks = false
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}, bcSpout.dao.Store, "state jump was not completed, but P2PStateExchangeExtensions are disabled or archival node capability is on")
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})
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t.Run("invalid state jump stage format", func(t *testing.T) {
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bcSpout.dao.Store.Put(bPrefix, []byte{0x01, 0x02})
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checkNewBlockchainErr(t, boltCfg, bcSpout.dao.Store, "invalid state jump stage format")
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})
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t.Run("missing state sync point", func(t *testing.T) {
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bcSpout.dao.Store.Put(bPrefix, []byte{byte(stateJumpStarted)})
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checkNewBlockchainErr(t, boltCfg, bcSpout.dao.Store, "failed to get state sync point from the storage")
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})
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t.Run("invalid state sync point", func(t *testing.T) {
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bcSpout.dao.Store.Put(bPrefix, []byte{byte(stateJumpStarted)})
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point := make([]byte, 4)
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binary.LittleEndian.PutUint32(point, uint32(len(bcSpout.headerHashes)))
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bcSpout.dao.Store.Put([]byte{byte(storage.SYSStateSyncPoint)}, point)
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checkNewBlockchainErr(t, boltCfg, bcSpout.dao.Store, "invalid state sync point")
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})
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for _, stage := range []stateJumpStage{stateJumpStarted, newStorageItemsAdded, genesisStateRemoved, 0x03} {
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t.Run(fmt.Sprintf("state jump stage %d", stage), func(t *testing.T) {
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bcSpout.dao.Store.Put(bPrefix, []byte{byte(stage)})
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point := make([]byte, 4)
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binary.LittleEndian.PutUint32(point, uint32(stateSyncPoint))
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bcSpout.dao.Store.Put([]byte{byte(storage.SYSStateSyncPoint)}, point)
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var errText string
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if stage == 0x03 {
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errText = "unknown state jump stage"
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}
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checkNewBlockchainErr(t, spountCfg, bcSpout.dao.Store, errText)
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})
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}
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}
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func TestChainWithVolatileNumOfValidators(t *testing.T) {
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bc := newTestChainWithCustomCfg(t, func(c *config.Config) {
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c.ProtocolConfiguration.ValidatorsCount = 0
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c.ProtocolConfiguration.CommitteeHistory = map[uint32]int{
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0: 1,
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4: 4,
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24: 6,
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}
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c.ProtocolConfiguration.ValidatorsHistory = map[uint32]int{
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0: 1,
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4: 4,
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}
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require.NoError(t, c.ProtocolConfiguration.Validate())
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})
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require.Equal(t, uint32(0), bc.BlockHeight())
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priv0 := testchain.PrivateKeyByID(0)
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vals, err := bc.GetValidators()
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require.NoError(t, err)
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script, err := smartcontract.CreateDefaultMultiSigRedeemScript(vals)
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require.NoError(t, err)
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curWit := transaction.Witness{
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VerificationScript: script,
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}
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for i := 1; i < 26; i++ {
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comm, err := bc.GetCommittee()
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require.NoError(t, err)
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if i < 5 {
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require.Equal(t, 1, len(comm))
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} else if i < 25 {
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require.Equal(t, 4, len(comm))
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} else {
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require.Equal(t, 6, len(comm))
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}
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// Mimic consensus.
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if bc.config.ShouldUpdateCommitteeAt(uint32(i)) {
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vals, err = bc.GetValidators()
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} else {
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vals, err = bc.GetNextBlockValidators()
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}
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require.NoError(t, err)
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if i < 4 {
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require.Equalf(t, 1, len(vals), "at %d", i)
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} else {
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require.Equalf(t, 4, len(vals), "at %d", i)
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}
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require.NoError(t, err)
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script, err := smartcontract.CreateDefaultMultiSigRedeemScript(vals)
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require.NoError(t, err)
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nextWit := transaction.Witness{
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VerificationScript: script,
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}
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b := &block.Block{
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Header: block.Header{
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NextConsensus: nextWit.ScriptHash(),
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Script: curWit,
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},
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}
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curWit = nextWit
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b.PrevHash = bc.GetHeaderHash(i - 1)
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b.Timestamp = uint64(time.Now().UTC().Unix())*1000 + uint64(i)
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b.Index = uint32(i)
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b.RebuildMerkleRoot()
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if i < 5 {
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signa := priv0.SignHashable(uint32(bc.config.Magic), b)
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b.Script.InvocationScript = append([]byte{byte(opcode.PUSHDATA1), byte(len(signa))}, signa...)
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} else {
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b.Script.InvocationScript = testchain.Sign(b)
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}
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err = bc.AddBlock(b)
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require.NoErrorf(t, err, "at %d", i)
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}
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}
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func setSigner(tx *transaction.Transaction, h util.Uint160) {
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tx.Signers = []transaction.Signer{{
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Account: h,
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Scopes: transaction.Global,
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}}
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}
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// This test checks that value of BaseExecFee returned from corresponding Blockchain's method matches
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// the one provided to the constructor of new interop context.
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func TestBlockchain_BaseExecFeeBaseStoragePrice_Compat(t *testing.T) {
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bc := newTestChain(t)
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check := func(t *testing.T) {
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ic := bc.newInteropContext(trigger.Application, bc.dao, bc.topBlock.Load().(*block.Block), nil)
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require.Equal(t, bc.GetBaseExecFee(), ic.BaseExecFee())
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require.Equal(t, bc.GetStoragePrice(), ic.BaseStorageFee())
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}
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t.Run("zero block", func(t *testing.T) {
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check(t)
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})
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t.Run("non-zero block", func(t *testing.T) {
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require.NoError(t, bc.AddBlock(bc.newBlock()))
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check(t)
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})
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}
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func TestBlockchain_IsRunning(t *testing.T) {
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chain := initTestChain(t, nil, nil)
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require.False(t, chain.isRunning.Load().(bool))
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oldPersisted := atomic.LoadUint32(&chain.persistedHeight)
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go chain.Run()
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require.NoError(t, chain.AddBlock(chain.newBlock()))
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require.Eventually(t, func() bool {
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persisted := atomic.LoadUint32(&chain.persistedHeight)
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return persisted > oldPersisted
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}, 2*persistInterval, 100*time.Millisecond)
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require.True(t, chain.isRunning.Load().(bool))
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chain.Close()
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require.False(t, chain.isRunning.Load().(bool))
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}
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