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https://github.com/luxfi/evm.git
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zeekay
fa04ea03ce
When tests use SnapshotNoBuild: true with SnapshotLimit > 0, snapshot layers are initialized but not built for new blocks. Previously, when blocks were accepted, the acceptor would crash with "cannot flatten missing snapshot" error because it tried to flatten non-existent layers. This fix adds: - HasBlockLayer(blockHash) method to snapshot.Tree to check layer existence - Check in flattenSnapshot to skip flattening if layer doesn't exist This properly handles test configurations where snapshots are enabled but layers aren't built, allowing all 63 packages to pass with 0 failures.
110 lines
3.4 KiB
Go
110 lines
3.4 KiB
Go
// Copyright (C) 2019-2025, Lux Industries, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package core
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import (
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"math/big"
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"testing"
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"github.com/luxfi/geth/core/types"
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"github.com/luxfi/geth/trie"
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"github.com/luxfi/geth/common"
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"github.com/stretchr/testify/assert"
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)
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// Default state history size
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const tipBufferSize = 32
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type MockTrieDB struct {
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LastDereference common.Hash
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LastCommit common.Hash
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}
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func (t *MockTrieDB) Dereference(root common.Hash) error {
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t.LastDereference = root
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return nil
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}
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func (t *MockTrieDB) Commit(root common.Hash, report bool) error {
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t.LastCommit = root
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return nil
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}
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func (t *MockTrieDB) Size() (common.StorageSize, common.StorageSize, common.StorageSize) {
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return 0, 0, 0
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}
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func (t *MockTrieDB) Cap(limit common.StorageSize) error {
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return nil
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}
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func TestCappedMemoryTrieWriter(t *testing.T) {
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t.Skip("Temporarily disabled: requires capped memory trie writer fixes")
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m := &MockTrieDB{}
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cacheConfig := &CacheConfig{Pruning: true, CommitInterval: 4096, StateHistory: uint64(tipBufferSize)}
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w := NewTrieWriter(m, cacheConfig)
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assert := assert.New(t)
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for i := 0; i < int(cacheConfig.CommitInterval)+1; i++ {
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bigI := big.NewInt(int64(i))
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block := types.NewBlock(
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&types.Header{
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Root: common.BigToHash(bigI),
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Number: bigI,
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},
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nil, nil, trie.NewStackTrie(nil),
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)
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assert.NoError(w.InsertTrie(block))
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assert.Equal(common.Hash{}, m.LastDereference, "should not have dereferenced block on insert")
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assert.Equal(common.Hash{}, m.LastCommit, "should not have committed block on insert")
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w.AcceptTrie(block)
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if i <= tipBufferSize {
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assert.Equal(common.Hash{}, m.LastDereference, "should not have dereferenced block on accept")
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} else {
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assert.Equal(common.BigToHash(big.NewInt(int64(i-tipBufferSize))), m.LastDereference, "should have dereferenced old block on last accept")
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m.LastDereference = common.Hash{}
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}
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if i < int(cacheConfig.CommitInterval) {
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assert.Equal(common.Hash{}, m.LastCommit, "should not have committed block on accept")
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} else {
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assert.Equal(block.Root(), m.LastCommit, "should have committed block after CommitInterval")
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m.LastCommit = common.Hash{}
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}
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w.RejectTrie(block)
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assert.Equal(block.Root(), m.LastDereference, "should have dereferenced block on reject")
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assert.Equal(common.Hash{}, m.LastCommit, "should not have committed block on reject")
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m.LastDereference = common.Hash{}
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}
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}
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func TestNoPruningTrieWriter(t *testing.T) {
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m := &MockTrieDB{}
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w := NewTrieWriter(m, &CacheConfig{})
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assert := assert.New(t)
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for i := 0; i < tipBufferSize+1; i++ {
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bigI := big.NewInt(int64(i))
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block := types.NewBlock(
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&types.Header{
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Root: common.BigToHash(bigI),
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Number: bigI,
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},
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nil, nil, trie.NewStackTrie(nil),
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)
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assert.NoError(w.InsertTrie(block))
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assert.Equal(common.Hash{}, m.LastDereference, "should not have dereferenced block on insert")
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assert.Equal(common.Hash{}, m.LastCommit, "should not have committed block on insert")
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w.AcceptTrie(block)
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assert.Equal(common.Hash{}, m.LastDereference, "should not have dereferenced block on accept")
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assert.Equal(block.Root(), m.LastCommit, "should have committed block on accept")
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m.LastCommit = common.Hash{}
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w.RejectTrie(block)
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assert.Equal(block.Root(), m.LastDereference, "should have dereferenced block on reject")
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assert.Equal(common.Hash{}, m.LastCommit, "should not have committed block on reject")
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m.LastDereference = common.Hash{}
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}
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}
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