2020-10-29 19:01:58 +00:00
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// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Tests that abnormal program termination (i.e.crash) and restart can recovery
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// the snapshot properly if the snapshot is enabled.
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package core
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import (
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"bytes"
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"fmt"
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2021-06-15 10:56:14 +00:00
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"math/big"
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2020-10-29 19:01:58 +00:00
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"os"
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"strings"
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"testing"
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"time"
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2021-01-18 13:39:43 +00:00
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"github.com/ethereum/go-ethereum/consensus"
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2020-10-29 19:01:58 +00:00
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core/rawdb"
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2021-01-18 13:39:43 +00:00
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"github.com/ethereum/go-ethereum/core/types"
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2020-10-29 19:01:58 +00:00
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"github.com/ethereum/go-ethereum/core/vm"
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2021-01-18 13:39:43 +00:00
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"github.com/ethereum/go-ethereum/ethdb"
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2020-10-29 19:01:58 +00:00
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"github.com/ethereum/go-ethereum/params"
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)
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2021-01-18 13:39:43 +00:00
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// snapshotTestBasic wraps the common testing fields in the snapshot tests.
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type snapshotTestBasic struct {
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2020-10-29 19:01:58 +00:00
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chainBlocks int // Number of blocks to generate for the canonical chain
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snapshotBlock uint64 // Block number of the relevant snapshot disk layer
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commitBlock uint64 // Block number for which to commit the state to disk
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expCanonicalBlocks int // Number of canonical blocks expected to remain in the database (excl. genesis)
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expHeadHeader uint64 // Block number of the expected head header
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expHeadFastBlock uint64 // Block number of the expected head fast sync block
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expHeadBlock uint64 // Block number of the expected head full block
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expSnapshotBottom uint64 // The block height corresponding to the snapshot disk layer
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2021-01-18 13:39:43 +00:00
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// share fields, set in runtime
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datadir string
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db ethdb.Database
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gendb ethdb.Database
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engine consensus.Engine
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}
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func (basic *snapshotTestBasic) prepare(t *testing.T) (*BlockChain, []*types.Block) {
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// Create a temporary persistent database
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2022-04-08 13:44:55 +00:00
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datadir := t.TempDir()
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2021-03-22 18:06:30 +00:00
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db, err := rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "", false)
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2021-01-18 13:39:43 +00:00
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if err != nil {
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t.Fatalf("Failed to create persistent database: %v", err)
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}
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// Initialize a fresh chain
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var (
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genesis = (&Genesis{BaseFee: big.NewInt(params.InitialBaseFee)}).MustCommit(db)
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engine = ethash.NewFullFaker()
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gendb = rawdb.NewMemoryDatabase()
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// Snapshot is enabled, the first snapshot is created from the Genesis.
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// The snapshot memory allowance is 256MB, it means no snapshot flush
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// will happen during the block insertion.
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cacheConfig = defaultCacheConfig
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)
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chain, err := NewBlockChain(db, cacheConfig, params.AllEthashProtocolChanges, engine, vm.Config{}, nil, nil)
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if err != nil {
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t.Fatalf("Failed to create chain: %v", err)
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}
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blocks, _ := GenerateChain(params.TestChainConfig, genesis, engine, gendb, basic.chainBlocks, func(i int, b *BlockGen) {})
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// Insert the blocks with configured settings.
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var breakpoints []uint64
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if basic.commitBlock > basic.snapshotBlock {
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breakpoints = append(breakpoints, basic.snapshotBlock, basic.commitBlock)
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} else {
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breakpoints = append(breakpoints, basic.commitBlock, basic.snapshotBlock)
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}
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var startPoint uint64
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for _, point := range breakpoints {
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if _, err := chain.InsertChain(blocks[startPoint:point]); err != nil {
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t.Fatalf("Failed to import canonical chain start: %v", err)
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}
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startPoint = point
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if basic.commitBlock > 0 && basic.commitBlock == point {
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chain.stateCache.TrieDB().Commit(blocks[point-1].Root(), true, nil)
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}
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if basic.snapshotBlock > 0 && basic.snapshotBlock == point {
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2021-04-20 05:27:46 +00:00
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// Flushing the entire snap tree into the disk, the
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2021-09-29 19:28:47 +00:00
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// relevant (a) snapshot root and (b) snapshot generator
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2021-04-20 05:27:46 +00:00
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// will be persisted atomically.
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chain.snaps.Cap(blocks[point-1].Root(), 0)
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diskRoot, blockRoot := chain.snaps.DiskRoot(), blocks[point-1].Root()
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if !bytes.Equal(diskRoot.Bytes(), blockRoot.Bytes()) {
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t.Fatalf("Failed to flush disk layer change, want %x, got %x", blockRoot, diskRoot)
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2021-01-18 13:39:43 +00:00
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}
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}
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}
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if _, err := chain.InsertChain(blocks[startPoint:]); err != nil {
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t.Fatalf("Failed to import canonical chain tail: %v", err)
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}
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// Set runtime fields
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basic.datadir = datadir
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basic.db = db
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basic.gendb = gendb
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basic.engine = engine
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return chain, blocks
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2020-10-29 19:01:58 +00:00
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}
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2021-01-18 13:39:43 +00:00
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func (basic *snapshotTestBasic) verify(t *testing.T, chain *BlockChain, blocks []*types.Block) {
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// Iterate over all the remaining blocks and ensure there are no gaps
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verifyNoGaps(t, chain, true, blocks)
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verifyCutoff(t, chain, true, blocks, basic.expCanonicalBlocks)
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if head := chain.CurrentHeader(); head.Number.Uint64() != basic.expHeadHeader {
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t.Errorf("Head header mismatch: have %d, want %d", head.Number, basic.expHeadHeader)
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}
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if head := chain.CurrentFastBlock(); head.NumberU64() != basic.expHeadFastBlock {
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t.Errorf("Head fast block mismatch: have %d, want %d", head.NumberU64(), basic.expHeadFastBlock)
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}
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if head := chain.CurrentBlock(); head.NumberU64() != basic.expHeadBlock {
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t.Errorf("Head block mismatch: have %d, want %d", head.NumberU64(), basic.expHeadBlock)
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}
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// Check the disk layer, ensure they are matched
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block := chain.GetBlockByNumber(basic.expSnapshotBottom)
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if block == nil {
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t.Errorf("The correspnding block[%d] of snapshot disk layer is missing", basic.expSnapshotBottom)
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} else if !bytes.Equal(chain.snaps.DiskRoot().Bytes(), block.Root().Bytes()) {
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t.Errorf("The snapshot disk layer root is incorrect, want %x, get %x", block.Root(), chain.snaps.DiskRoot())
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}
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// Check the snapshot, ensure it's integrated
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all: bloom-filter based pruning mechanism (#21724)
* cmd, core, tests: initial state pruner
core: fix db inspector
cmd/geth: add verify-state
cmd/geth: add verification tool
core/rawdb: implement flatdb
cmd, core: fix rebase
core/state: use new contract code layout
core/state/pruner: avoid deleting genesis state
cmd/geth: add helper function
core, cmd: fix extract genesis
core: minor fixes
contracts: remove useless
core/state/snapshot: plugin stacktrie
core: polish
core/state/snapshot: iterate storage concurrently
core/state/snapshot: fix iteration
core: add comments
core/state/snapshot: polish code
core/state: polish
core/state/snapshot: rebase
core/rawdb: add comments
core/rawdb: fix tests
core/rawdb: improve tests
core/state/snapshot: fix concurrent iteration
core/state: run pruning during the recovery
core, trie: implement martin's idea
core, eth: delete flatdb and polish pruner
trie: fix import
core/state/pruner: add log
core/state/pruner: fix issues
core/state/pruner: don't read back
core/state/pruner: fix contract code write
core/state/pruner: check root node presence
cmd, core: polish log
core/state: use HEAD-127 as the target
core/state/snapshot: improve tests
cmd/geth: fix verification tool
cmd/geth: use HEAD as the verification default target
all: replace the bloomfilter with martin's fork
cmd, core: polish code
core, cmd: forcibly delete state root
core/state/pruner: add hash64
core/state/pruner: fix blacklist
core/state: remove blacklist
cmd, core: delete trie clean cache before pruning
cmd, core: fix lint
cmd, core: fix rebase
core/state: fix the special case for clique networks
core/state/snapshot: remove useless code
core/state/pruner: capping the snapshot after pruning
cmd, core, eth: fixes
core/rawdb: update db inspector
cmd/geth: polish code
core/state/pruner: fsync bloom filter
cmd, core: print warning log
core/state/pruner: adjust the parameters for bloom filter
cmd, core: create the bloom filter by size
core: polish
core/state/pruner: sanitize invalid bloomfilter size
cmd: address comments
cmd/geth: address comments
cmd/geth: address comment
core/state/pruner: address comments
core/state/pruner: rename homedir to datadir
cmd, core: address comments
core/state/pruner: address comment
core/state: address comments
core, cmd, tests: address comments
core: address comments
core/state/pruner: release the iterator after each commit
core/state/pruner: improve pruner
cmd, core: adjust bloom paramters
core/state/pruner: fix lint
core/state/pruner: fix tests
core: fix rebase
core/state/pruner: remove atomic rename
core/state/pruner: address comments
all: run go mod tidy
core/state/pruner: avoid false-positive for the middle state roots
core/state/pruner: add checks for middle roots
cmd/geth: replace crit with error
* core/state/pruner: fix lint
* core: drop legacy bloom filter
* core/state/snapshot: improve pruner
* core/state/snapshot: polish concurrent logs to report ETA vs. hashes
* core/state/pruner: add progress report for pruning and compaction too
* core: fix snapshot test API
* core/state: fix some pruning logs
* core/state/pruner: support recovering from bloom flush fail
Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2021-02-08 11:16:30 +00:00
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if err := chain.snaps.Verify(block.Root()); err != nil {
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t.Errorf("The disk layer is not integrated %v", err)
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}
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}
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2022-06-13 14:24:45 +00:00
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//nolint:unused
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func (basic *snapshotTestBasic) dump() string {
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buffer := new(strings.Builder)
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fmt.Fprint(buffer, "Chain:\n G")
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for i := 0; i < basic.chainBlocks; i++ {
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fmt.Fprintf(buffer, "->C%d", i+1)
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}
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fmt.Fprint(buffer, " (HEAD)\n\n")
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fmt.Fprintf(buffer, "Commit: G")
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if basic.commitBlock > 0 {
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fmt.Fprintf(buffer, ", C%d", basic.commitBlock)
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2020-10-29 19:01:58 +00:00
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}
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fmt.Fprint(buffer, "\n")
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fmt.Fprintf(buffer, "Snapshot: G")
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if basic.snapshotBlock > 0 {
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fmt.Fprintf(buffer, ", C%d", basic.snapshotBlock)
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2020-10-29 19:01:58 +00:00
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}
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fmt.Fprint(buffer, "\n")
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2021-01-18 13:39:43 +00:00
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//if crash {
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// fmt.Fprintf(buffer, "\nCRASH\n\n")
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//} else {
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// fmt.Fprintf(buffer, "\nSetHead(%d)\n\n", basic.setHead)
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//}
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fmt.Fprintf(buffer, "------------------------------\n\n")
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fmt.Fprint(buffer, "Expected in leveldb:\n G")
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for i := 0; i < basic.expCanonicalBlocks; i++ {
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fmt.Fprintf(buffer, "->C%d", i+1)
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}
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fmt.Fprintf(buffer, "\n\n")
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fmt.Fprintf(buffer, "Expected head header : C%d\n", basic.expHeadHeader)
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fmt.Fprintf(buffer, "Expected head fast block: C%d\n", basic.expHeadFastBlock)
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if basic.expHeadBlock == 0 {
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2020-10-29 19:01:58 +00:00
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fmt.Fprintf(buffer, "Expected head block : G\n")
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} else {
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fmt.Fprintf(buffer, "Expected head block : C%d\n", basic.expHeadBlock)
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2020-10-29 19:01:58 +00:00
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}
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if basic.expSnapshotBottom == 0 {
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fmt.Fprintf(buffer, "Expected snapshot disk : G\n")
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} else {
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fmt.Fprintf(buffer, "Expected snapshot disk : C%d\n", basic.expSnapshotBottom)
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}
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return buffer.String()
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}
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func (basic *snapshotTestBasic) teardown() {
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basic.db.Close()
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basic.gendb.Close()
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os.RemoveAll(basic.datadir)
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}
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// snapshotTest is a test case type for normal snapshot recovery.
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// It can be used for testing that restart Geth normally.
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type snapshotTest struct {
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snapshotTestBasic
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}
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func (snaptest *snapshotTest) test(t *testing.T) {
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// It's hard to follow the test case, visualize the input
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// log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
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// fmt.Println(tt.dump())
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chain, blocks := snaptest.prepare(t)
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// Restart the chain normally
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chain.Stop()
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newchain, err := NewBlockChain(snaptest.db, nil, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
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if err != nil {
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t.Fatalf("Failed to recreate chain: %v", err)
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}
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defer newchain.Stop()
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snaptest.verify(t, newchain, blocks)
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}
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// crashSnapshotTest is a test case type for innormal snapshot recovery.
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// It can be used for testing that restart Geth after the crash.
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type crashSnapshotTest struct {
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snapshotTestBasic
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}
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func (snaptest *crashSnapshotTest) test(t *testing.T) {
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// It's hard to follow the test case, visualize the input
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// log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
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// fmt.Println(tt.dump())
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chain, blocks := snaptest.prepare(t)
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// Pull the plug on the database, simulating a hard crash
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db := chain.db
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db.Close()
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// Start a new blockchain back up and see where the repair leads us
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2021-03-22 18:06:30 +00:00
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newdb, err := rawdb.NewLevelDBDatabaseWithFreezer(snaptest.datadir, 0, 0, snaptest.datadir, "", false)
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if err != nil {
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t.Fatalf("Failed to reopen persistent database: %v", err)
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}
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defer newdb.Close()
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// The interesting thing is: instead of starting the blockchain after
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// the crash, we do restart twice here: one after the crash and one
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// after the normal stop. It's used to ensure the broken snapshot
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// can be detected all the time.
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newchain, err := NewBlockChain(newdb, nil, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
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if err != nil {
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t.Fatalf("Failed to recreate chain: %v", err)
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}
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newchain.Stop()
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newchain, err = NewBlockChain(newdb, nil, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to recreate chain: %v", err)
|
|
|
|
}
|
|
|
|
defer newchain.Stop()
|
|
|
|
|
|
|
|
snaptest.verify(t, newchain, blocks)
|
|
|
|
}
|
|
|
|
|
|
|
|
// gappedSnapshotTest is a test type used to test this scenario:
|
|
|
|
// - have a complete snapshot
|
|
|
|
// - restart without enabling the snapshot
|
|
|
|
// - insert a few blocks
|
|
|
|
// - restart with enabling the snapshot again
|
|
|
|
type gappedSnapshotTest struct {
|
|
|
|
snapshotTestBasic
|
|
|
|
gapped int // Number of blocks to insert without enabling snapshot
|
|
|
|
}
|
|
|
|
|
|
|
|
func (snaptest *gappedSnapshotTest) test(t *testing.T) {
|
|
|
|
// It's hard to follow the test case, visualize the input
|
|
|
|
// log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
|
|
|
|
// fmt.Println(tt.dump())
|
|
|
|
chain, blocks := snaptest.prepare(t)
|
|
|
|
|
|
|
|
// Insert blocks without enabling snapshot if gapping is required.
|
|
|
|
chain.Stop()
|
|
|
|
gappedBlocks, _ := GenerateChain(params.TestChainConfig, blocks[len(blocks)-1], snaptest.engine, snaptest.gendb, snaptest.gapped, func(i int, b *BlockGen) {})
|
|
|
|
|
|
|
|
// Insert a few more blocks without enabling snapshot
|
|
|
|
var cacheConfig = &CacheConfig{
|
|
|
|
TrieCleanLimit: 256,
|
|
|
|
TrieDirtyLimit: 256,
|
|
|
|
TrieTimeLimit: 5 * time.Minute,
|
|
|
|
SnapshotLimit: 0,
|
|
|
|
}
|
|
|
|
newchain, err := NewBlockChain(snaptest.db, cacheConfig, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to recreate chain: %v", err)
|
|
|
|
}
|
|
|
|
newchain.InsertChain(gappedBlocks)
|
|
|
|
newchain.Stop()
|
|
|
|
|
|
|
|
// Restart the chain with enabling the snapshot
|
|
|
|
newchain, err = NewBlockChain(snaptest.db, nil, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to recreate chain: %v", err)
|
|
|
|
}
|
|
|
|
defer newchain.Stop()
|
|
|
|
|
|
|
|
snaptest.verify(t, newchain, blocks)
|
|
|
|
}
|
|
|
|
|
|
|
|
// setHeadSnapshotTest is the test type used to test this scenario:
|
|
|
|
// - have a complete snapshot
|
|
|
|
// - set the head to a lower point
|
|
|
|
// - restart
|
|
|
|
type setHeadSnapshotTest struct {
|
|
|
|
snapshotTestBasic
|
|
|
|
setHead uint64 // Block number to set head back to
|
|
|
|
}
|
|
|
|
|
|
|
|
func (snaptest *setHeadSnapshotTest) test(t *testing.T) {
|
|
|
|
// It's hard to follow the test case, visualize the input
|
|
|
|
// log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
|
|
|
|
// fmt.Println(tt.dump())
|
|
|
|
chain, blocks := snaptest.prepare(t)
|
|
|
|
|
|
|
|
// Rewind the chain if setHead operation is required.
|
|
|
|
chain.SetHead(snaptest.setHead)
|
|
|
|
chain.Stop()
|
|
|
|
|
|
|
|
newchain, err := NewBlockChain(snaptest.db, nil, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to recreate chain: %v", err)
|
|
|
|
}
|
|
|
|
defer newchain.Stop()
|
|
|
|
|
|
|
|
snaptest.verify(t, newchain, blocks)
|
|
|
|
}
|
|
|
|
|
|
|
|
// wipeCrashSnapshotTest is the test type used to test this scenario:
|
|
|
|
// - have a complete snapshot
|
|
|
|
// - restart, insert more blocks without enabling the snapshot
|
|
|
|
// - restart again with enabling the snapshot
|
|
|
|
// - crash
|
|
|
|
type wipeCrashSnapshotTest struct {
|
|
|
|
snapshotTestBasic
|
|
|
|
newBlocks int
|
|
|
|
}
|
|
|
|
|
|
|
|
func (snaptest *wipeCrashSnapshotTest) test(t *testing.T) {
|
|
|
|
// It's hard to follow the test case, visualize the input
|
|
|
|
// log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
|
|
|
|
// fmt.Println(tt.dump())
|
|
|
|
chain, blocks := snaptest.prepare(t)
|
|
|
|
|
|
|
|
// Firstly, stop the chain properly, with all snapshot journal
|
|
|
|
// and state committed.
|
|
|
|
chain.Stop()
|
|
|
|
|
|
|
|
config := &CacheConfig{
|
|
|
|
TrieCleanLimit: 256,
|
|
|
|
TrieDirtyLimit: 256,
|
|
|
|
TrieTimeLimit: 5 * time.Minute,
|
|
|
|
SnapshotLimit: 0,
|
|
|
|
}
|
|
|
|
newchain, err := NewBlockChain(snaptest.db, config, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to recreate chain: %v", err)
|
|
|
|
}
|
|
|
|
newBlocks, _ := GenerateChain(params.TestChainConfig, blocks[len(blocks)-1], snaptest.engine, snaptest.gendb, snaptest.newBlocks, func(i int, b *BlockGen) {})
|
|
|
|
newchain.InsertChain(newBlocks)
|
|
|
|
newchain.Stop()
|
|
|
|
|
|
|
|
// Restart the chain, the wiper should starts working
|
|
|
|
config = &CacheConfig{
|
|
|
|
TrieCleanLimit: 256,
|
|
|
|
TrieDirtyLimit: 256,
|
|
|
|
TrieTimeLimit: 5 * time.Minute,
|
|
|
|
SnapshotLimit: 256,
|
|
|
|
SnapshotWait: false, // Don't wait rebuild
|
|
|
|
}
|
2022-06-13 14:24:45 +00:00
|
|
|
_, err = NewBlockChain(snaptest.db, config, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
|
2021-01-18 13:39:43 +00:00
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to recreate chain: %v", err)
|
|
|
|
}
|
|
|
|
// Simulate the blockchain crash.
|
|
|
|
|
|
|
|
newchain, err = NewBlockChain(snaptest.db, nil, params.AllEthashProtocolChanges, snaptest.engine, vm.Config{}, nil, nil)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to recreate chain: %v", err)
|
|
|
|
}
|
|
|
|
snaptest.verify(t, newchain, blocks)
|
|
|
|
}
|
|
|
|
|
2020-10-29 19:01:58 +00:00
|
|
|
// Tests a Geth restart with valid snapshot. Before the shutdown, all snapshot
|
|
|
|
// journal will be persisted correctly. In this case no snapshot recovery is
|
|
|
|
// required.
|
|
|
|
func TestRestartWithNewSnapshot(t *testing.T) {
|
|
|
|
// Chain:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
|
|
|
|
//
|
|
|
|
// Commit: G
|
|
|
|
// Snapshot: G
|
|
|
|
//
|
|
|
|
// SetHead(0)
|
|
|
|
//
|
|
|
|
// ------------------------------
|
|
|
|
//
|
|
|
|
// Expected in leveldb:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8
|
|
|
|
//
|
|
|
|
// Expected head header : C8
|
|
|
|
// Expected head fast block: C8
|
|
|
|
// Expected head block : C8
|
|
|
|
// Expected snapshot disk : G
|
2021-01-18 13:39:43 +00:00
|
|
|
test := &snapshotTest{
|
|
|
|
snapshotTestBasic{
|
|
|
|
chainBlocks: 8,
|
|
|
|
snapshotBlock: 0,
|
|
|
|
commitBlock: 0,
|
|
|
|
expCanonicalBlocks: 8,
|
|
|
|
expHeadHeader: 8,
|
|
|
|
expHeadFastBlock: 8,
|
|
|
|
expHeadBlock: 8,
|
|
|
|
expSnapshotBottom: 0, // Initial disk layer built from genesis
|
|
|
|
},
|
|
|
|
}
|
|
|
|
test.test(t)
|
|
|
|
test.teardown()
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Tests a Geth was crashed and restarts with a broken snapshot. In this case the
|
|
|
|
// chain head should be rewound to the point with available state. And also the
|
|
|
|
// new head should must be lower than disk layer. But there is no committed point
|
|
|
|
// so the chain should be rewound to genesis and the disk layer should be left
|
|
|
|
// for recovery.
|
|
|
|
func TestNoCommitCrashWithNewSnapshot(t *testing.T) {
|
|
|
|
// Chain:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
|
|
|
|
//
|
|
|
|
// Commit: G
|
|
|
|
// Snapshot: G, C4
|
|
|
|
//
|
|
|
|
// CRASH
|
|
|
|
//
|
|
|
|
// ------------------------------
|
|
|
|
//
|
|
|
|
// Expected in leveldb:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8
|
|
|
|
//
|
|
|
|
// Expected head header : C8
|
|
|
|
// Expected head fast block: C8
|
|
|
|
// Expected head block : G
|
|
|
|
// Expected snapshot disk : C4
|
2021-01-18 13:39:43 +00:00
|
|
|
test := &crashSnapshotTest{
|
|
|
|
snapshotTestBasic{
|
|
|
|
chainBlocks: 8,
|
|
|
|
snapshotBlock: 4,
|
|
|
|
commitBlock: 0,
|
|
|
|
expCanonicalBlocks: 8,
|
|
|
|
expHeadHeader: 8,
|
|
|
|
expHeadFastBlock: 8,
|
|
|
|
expHeadBlock: 0,
|
|
|
|
expSnapshotBottom: 4, // Last committed disk layer, wait recovery
|
|
|
|
},
|
|
|
|
}
|
|
|
|
test.test(t)
|
|
|
|
test.teardown()
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Tests a Geth was crashed and restarts with a broken snapshot. In this case the
|
|
|
|
// chain head should be rewound to the point with available state. And also the
|
|
|
|
// new head should must be lower than disk layer. But there is only a low committed
|
|
|
|
// point so the chain should be rewound to committed point and the disk layer
|
|
|
|
// should be left for recovery.
|
|
|
|
func TestLowCommitCrashWithNewSnapshot(t *testing.T) {
|
|
|
|
// Chain:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
|
|
|
|
//
|
|
|
|
// Commit: G, C2
|
|
|
|
// Snapshot: G, C4
|
|
|
|
//
|
|
|
|
// CRASH
|
|
|
|
//
|
|
|
|
// ------------------------------
|
|
|
|
//
|
|
|
|
// Expected in leveldb:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8
|
|
|
|
//
|
|
|
|
// Expected head header : C8
|
|
|
|
// Expected head fast block: C8
|
|
|
|
// Expected head block : C2
|
|
|
|
// Expected snapshot disk : C4
|
2021-01-18 13:39:43 +00:00
|
|
|
test := &crashSnapshotTest{
|
|
|
|
snapshotTestBasic{
|
|
|
|
chainBlocks: 8,
|
|
|
|
snapshotBlock: 4,
|
|
|
|
commitBlock: 2,
|
|
|
|
expCanonicalBlocks: 8,
|
|
|
|
expHeadHeader: 8,
|
|
|
|
expHeadFastBlock: 8,
|
|
|
|
expHeadBlock: 2,
|
|
|
|
expSnapshotBottom: 4, // Last committed disk layer, wait recovery
|
|
|
|
},
|
|
|
|
}
|
|
|
|
test.test(t)
|
|
|
|
test.teardown()
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Tests a Geth was crashed and restarts with a broken snapshot. In this case
|
|
|
|
// the chain head should be rewound to the point with available state. And also
|
|
|
|
// the new head should must be lower than disk layer. But there is only a high
|
|
|
|
// committed point so the chain should be rewound to genesis and the disk layer
|
|
|
|
// should be left for recovery.
|
|
|
|
func TestHighCommitCrashWithNewSnapshot(t *testing.T) {
|
|
|
|
// Chain:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
|
|
|
|
//
|
|
|
|
// Commit: G, C6
|
|
|
|
// Snapshot: G, C4
|
|
|
|
//
|
|
|
|
// CRASH
|
|
|
|
//
|
|
|
|
// ------------------------------
|
|
|
|
//
|
|
|
|
// Expected in leveldb:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8
|
|
|
|
//
|
|
|
|
// Expected head header : C8
|
|
|
|
// Expected head fast block: C8
|
|
|
|
// Expected head block : G
|
|
|
|
// Expected snapshot disk : C4
|
2021-01-18 13:39:43 +00:00
|
|
|
test := &crashSnapshotTest{
|
|
|
|
snapshotTestBasic{
|
|
|
|
chainBlocks: 8,
|
|
|
|
snapshotBlock: 4,
|
|
|
|
commitBlock: 6,
|
|
|
|
expCanonicalBlocks: 8,
|
|
|
|
expHeadHeader: 8,
|
|
|
|
expHeadFastBlock: 8,
|
|
|
|
expHeadBlock: 0,
|
|
|
|
expSnapshotBottom: 4, // Last committed disk layer, wait recovery
|
|
|
|
},
|
|
|
|
}
|
|
|
|
test.test(t)
|
|
|
|
test.teardown()
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Tests a Geth was running with snapshot enabled. Then restarts without
|
|
|
|
// enabling snapshot and after that re-enable the snapshot again. In this
|
|
|
|
// case the snapshot should be rebuilt with latest chain head.
|
|
|
|
func TestGappedNewSnapshot(t *testing.T) {
|
|
|
|
// Chain:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
|
|
|
|
//
|
|
|
|
// Commit: G
|
|
|
|
// Snapshot: G
|
|
|
|
//
|
|
|
|
// SetHead(0)
|
|
|
|
//
|
|
|
|
// ------------------------------
|
|
|
|
//
|
|
|
|
// Expected in leveldb:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10
|
|
|
|
//
|
|
|
|
// Expected head header : C10
|
|
|
|
// Expected head fast block: C10
|
|
|
|
// Expected head block : C10
|
|
|
|
// Expected snapshot disk : C10
|
2021-01-18 13:39:43 +00:00
|
|
|
test := &gappedSnapshotTest{
|
|
|
|
snapshotTestBasic: snapshotTestBasic{
|
|
|
|
chainBlocks: 8,
|
|
|
|
snapshotBlock: 0,
|
|
|
|
commitBlock: 0,
|
|
|
|
expCanonicalBlocks: 10,
|
|
|
|
expHeadHeader: 10,
|
|
|
|
expHeadFastBlock: 10,
|
|
|
|
expHeadBlock: 10,
|
|
|
|
expSnapshotBottom: 10, // Rebuilt snapshot from the latest HEAD
|
|
|
|
},
|
|
|
|
gapped: 2,
|
|
|
|
}
|
|
|
|
test.test(t)
|
|
|
|
test.teardown()
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Tests the Geth was running with snapshot enabled and resetHead is applied.
|
|
|
|
// In this case the head is rewound to the target(with state available). After
|
|
|
|
// that the chain is restarted and the original disk layer is kept.
|
|
|
|
func TestSetHeadWithNewSnapshot(t *testing.T) {
|
|
|
|
// Chain:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
|
|
|
|
//
|
|
|
|
// Commit: G
|
|
|
|
// Snapshot: G
|
|
|
|
//
|
|
|
|
// SetHead(4)
|
|
|
|
//
|
|
|
|
// ------------------------------
|
|
|
|
//
|
|
|
|
// Expected in leveldb:
|
|
|
|
// G->C1->C2->C3->C4
|
|
|
|
//
|
|
|
|
// Expected head header : C4
|
|
|
|
// Expected head fast block: C4
|
|
|
|
// Expected head block : C4
|
|
|
|
// Expected snapshot disk : G
|
2021-01-18 13:39:43 +00:00
|
|
|
test := &setHeadSnapshotTest{
|
|
|
|
snapshotTestBasic: snapshotTestBasic{
|
|
|
|
chainBlocks: 8,
|
|
|
|
snapshotBlock: 0,
|
|
|
|
commitBlock: 0,
|
|
|
|
expCanonicalBlocks: 4,
|
|
|
|
expHeadHeader: 4,
|
|
|
|
expHeadFastBlock: 4,
|
|
|
|
expHeadBlock: 4,
|
|
|
|
expSnapshotBottom: 0, // The initial disk layer is built from the genesis
|
|
|
|
},
|
|
|
|
setHead: 4,
|
|
|
|
}
|
|
|
|
test.test(t)
|
|
|
|
test.teardown()
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|
|
|
|
|
2021-01-18 13:39:43 +00:00
|
|
|
// Tests the Geth was running with a complete snapshot and then imports a few
|
|
|
|
// more new blocks on top without enabling the snapshot. After the restart,
|
|
|
|
// crash happens. Check everything is ok after the restart.
|
|
|
|
func TestRecoverSnapshotFromWipingCrash(t *testing.T) {
|
|
|
|
// Chain:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
|
|
|
|
//
|
|
|
|
// Commit: G
|
|
|
|
// Snapshot: G
|
|
|
|
//
|
|
|
|
// SetHead(0)
|
|
|
|
//
|
|
|
|
// ------------------------------
|
|
|
|
//
|
|
|
|
// Expected in leveldb:
|
|
|
|
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10
|
|
|
|
//
|
|
|
|
// Expected head header : C10
|
|
|
|
// Expected head fast block: C10
|
|
|
|
// Expected head block : C8
|
|
|
|
// Expected snapshot disk : C10
|
|
|
|
test := &wipeCrashSnapshotTest{
|
|
|
|
snapshotTestBasic: snapshotTestBasic{
|
|
|
|
chainBlocks: 8,
|
|
|
|
snapshotBlock: 4,
|
|
|
|
commitBlock: 0,
|
|
|
|
expCanonicalBlocks: 10,
|
|
|
|
expHeadHeader: 10,
|
|
|
|
expHeadFastBlock: 10,
|
|
|
|
expHeadBlock: 10,
|
|
|
|
expSnapshotBottom: 10,
|
|
|
|
},
|
|
|
|
newBlocks: 2,
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|
2021-01-18 13:39:43 +00:00
|
|
|
test.test(t)
|
|
|
|
test.teardown()
|
2020-10-29 19:01:58 +00:00
|
|
|
}
|