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core/state: access trie through Database interface, track errors (#14589)

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With this commit, core/state's access to the underlying key/value database is
mediated through an interface. Database errors are tracked in StateDB and
returned by CommitTo or the new Error method.

Motivation for this change: We can remove the light client's duplicated copy of
core/state. The light client now supports node iteration, so tracing and storage
enumeration can work with the light client (not implemented in this commit).
This commit is contained in:
Felix Lange
2017-06-27 15:57:06 +02:00
committed by GitHub
parent bb366271fe
commit 9e5f03b6c4
49 changed files with 810 additions and 1664 deletions
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2
eth/api.go
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@ -637,7 +637,7 @@ func (api *PrivateDebugAPI) StorageRangeAt(ctx context.Context, blockHash common
return storageRangeAt(st, keyStart, maxResult), nil
}
func storageRangeAt(st *trie.SecureTrie, start []byte, maxResult int) StorageRangeResult {
func storageRangeAt(st state.Trie, start []byte, maxResult int) StorageRangeResult {
it := trie.NewIterator(st.NodeIterator(start))
result := StorageRangeResult{Storage: storageMap{}}
for i := 0; i < maxResult && it.Next(); i++ {