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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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cmd/geth/dbcmd.go
+5 -1
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@@ -519,8 +519,12 @@ func dbDumpTrie(ctx *cli.Context) error {
if err != nil {
return err
}
trieIt, err := theTrie.NodeIterator(start)
if err != nil {
return err
}
var count int64
it := trie.NewIterator(theTrie.NodeIterator(start))
it := trie.NewIterator(trieIt)
for it.Next() {
if max > 0 && count == max {
fmt.Printf("Exiting after %d values\n", count)