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cmd, core/state, eth, tests, trie: improve state reader (#27428)

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The state availability is checked during the creation of a state reader.

-    In hash-based database, if the specified root node does not exist on disk disk, then
    the state reader won't be created and an error will be returned.

-    In path-based database, if the specified state layer is not available, then the
    state reader won't be created and an error will be returned.

This change also contains a stricter semantics regarding the `Commit` operation: once it has been performed, the trie is no longer usable, and certain operations will return an error.
This commit is contained in:
rjl493456442
2023-06-20 15:31:45 -04:00
committed by GitHub
parent 8c288b528d
commit 6d2aeb43d5
32 changed files with 384 additions and 151 deletions
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tests/fuzzers/stacktrie/trie_fuzzer.go
+1 -1
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@@ -221,7 +221,7 @@ func (f *fuzzer) fuzz() int {
panic(fmt.Sprintf("roots differ: (trie) %x != %x (stacktrie)", rootA, rootC))
}
trieA, _ = trie.New(trie.TrieID(rootA), dbA)
iterA := trieA.NodeIterator(nil)
iterA := trieA.MustNodeIterator(nil)
for iterA.Next(true) {
if iterA.Hash() == (common.Hash{}) {
if _, present := nodeset[string(iterA.Path())]; present {