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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/trie/trie-fuzzer.go
+1 -1
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@@ -179,7 +179,7 @@ func runRandTest(rt randTest) error {
origin = hash
case opItercheckhash:
checktr := trie.NewEmpty(triedb)
it := trie.NewIterator(tr.NodeIterator(nil))
it := trie.NewIterator(tr.MustNodeIterator(nil))
for it.Next() {
checktr.MustUpdate(it.Key, it.Value)
}