mirror of
https://github.com/nspcc-dev/neo-go.git
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433275265f
This is just a much better way to do the same thing. Inspired by nspcc-dev/neofs-sdk-go#407. Signed-off-by: Roman Khimov <roman@nspcc.ru>
92 lines
2.8 KiB
Go
92 lines
2.8 KiB
Go
package chaindump_test
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import (
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"errors"
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"testing"
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"github.com/nspcc-dev/neo-go/internal/basicchain"
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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/chaindump"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/neotest"
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"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
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"github.com/stretchr/testify/require"
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)
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func TestBlockchain_DumpAndRestore(t *testing.T) {
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t.Run("no state root", func(t *testing.T) {
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testDumpAndRestore(t, func(c *config.Blockchain) {
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c.StateRootInHeader = false
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c.P2PSigExtensions = true
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}, nil)
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})
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t.Run("with state root", func(t *testing.T) {
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testDumpAndRestore(t, func(c *config.Blockchain) {
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c.StateRootInHeader = true
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c.P2PSigExtensions = true
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}, nil)
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})
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t.Run("remove untraceable", func(t *testing.T) {
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// Dump can only be created if all blocks and transactions are present.
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testDumpAndRestore(t, func(c *config.Blockchain) {
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c.P2PSigExtensions = true
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}, func(c *config.Blockchain) {
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c.MaxTraceableBlocks = 2
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c.Ledger.RemoveUntraceableBlocks = true
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c.P2PSigExtensions = true
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})
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})
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}
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func testDumpAndRestore(t *testing.T, dumpF, restoreF func(c *config.Blockchain)) {
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if restoreF == nil {
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restoreF = dumpF
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}
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bc, validators, committee := chain.NewMultiWithCustomConfig(t, dumpF)
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e := neotest.NewExecutor(t, bc, validators, committee)
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basicchain.Init(t, "../../../", e)
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require.True(t, bc.BlockHeight() > 5) // ensure that test is valid
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w := io.NewBufBinWriter()
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require.NoError(t, chaindump.Dump(bc, w.BinWriter, 0, bc.BlockHeight()+1))
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require.NoError(t, w.Err)
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buf := w.Bytes()
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t.Run("invalid start", func(t *testing.T) {
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bc2, _, _ := chain.NewMultiWithCustomConfig(t, restoreF)
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r := io.NewBinReaderFromBuf(buf)
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require.Error(t, chaindump.Restore(bc2, r, 2, 1, nil))
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})
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t.Run("good", func(t *testing.T) {
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bc2, _, _ := chain.NewMultiWithCustomConfig(t, dumpF)
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r := io.NewBinReaderFromBuf(buf)
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require.NoError(t, chaindump.Restore(bc2, r, 0, 2, nil))
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require.Equal(t, uint32(1), bc2.BlockHeight())
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r = io.NewBinReaderFromBuf(buf) // new reader because start is relative to dump
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require.NoError(t, chaindump.Restore(bc2, r, 2, 1, nil))
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t.Run("check handler", func(t *testing.T) {
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lastIndex := uint32(0)
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errStopped := errors.New("stopped")
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f := func(b *block.Block) error {
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lastIndex = b.Index
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if b.Index >= bc.BlockHeight()-1 {
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return errStopped
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}
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return nil
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}
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require.NoError(t, chaindump.Restore(bc2, r, 0, 1, f))
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require.Equal(t, bc2.BlockHeight(), lastIndex)
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r = io.NewBinReaderFromBuf(buf)
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err := chaindump.Restore(bc2, r, 4, bc.BlockHeight()-bc2.BlockHeight(), f)
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require.ErrorIs(t, err, errStopped)
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require.Equal(t, bc.BlockHeight()-1, lastIndex)
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})
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})
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}
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