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author | Péter Szilágyi <peterke@gmail.com> | 2016-01-08 19:46:45 +0800 |
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committer | Péter Szilágyi <peterke@gmail.com> | 2016-02-16 18:21:08 +0800 |
commit | 151c7bef41ed96d9aace3dba235ad2db5fe26e03 (patch) | |
tree | 1902240da75c6ac29ff3edb30d25ddbe2c49ac5e /core/state/iterator.go | |
parent | 5a057a8dedd1fa284e04bc2e7780e74d4600fdeb (diff) | |
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core/state, trie: node iterator reports parent hashes too
Diffstat (limited to 'core/state/iterator.go')
-rw-r--r-- | core/state/iterator.go | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/core/state/iterator.go b/core/state/iterator.go index 59a8e0242..a051e5e01 100644 --- a/core/state/iterator.go +++ b/core/state/iterator.go @@ -34,11 +34,13 @@ type NodeIterator struct { stateIt *trie.NodeIterator // Primary iterator for the global state trie dataIt *trie.NodeIterator // Secondary iterator for the data trie of a contract - codeHash common.Hash // Hash of the contract source code - code []byte // Source code associated with a contract + accountHash common.Hash // Hash of the node containing the account + codeHash common.Hash // Hash of the contract source code + code []byte // Source code associated with a contract - Hash common.Hash // Hash of the current entry being iterated (nil if not standalone) - Entry interface{} // Current state entry being iterated (internal representation) + Hash common.Hash // Hash of the current entry being iterated (nil if not standalone) + Entry interface{} // Current state entry being iterated (internal representation) + Parent common.Hash // Hash of the first full ancestor node (nil if current is the root) } // NewNodeIterator creates an post-order state node iterator. @@ -112,6 +114,7 @@ func (it *NodeIterator) step() { panic(fmt.Sprintf("code %x: %v", account.CodeHash, err)) } } + it.accountHash = it.stateIt.Parent } // retrieve pulls and caches the current state entry the iterator is traversing. @@ -127,11 +130,14 @@ func (it *NodeIterator) retrieve() bool { // Otherwise retrieve the current entry switch { case it.dataIt != nil: - it.Hash, it.Entry = it.dataIt.Hash, it.dataIt.Node + it.Hash, it.Entry, it.Parent = it.dataIt.Hash, it.dataIt.Node, it.dataIt.Parent + if it.Parent == (common.Hash{}) { + it.Parent = it.accountHash + } case it.code != nil: - it.Hash, it.Entry = it.codeHash, it.code + it.Hash, it.Entry, it.Parent = it.codeHash, it.code, it.accountHash case it.stateIt != nil: - it.Hash, it.Entry = it.stateIt.Hash, it.stateIt.Node + it.Hash, it.Entry, it.Parent = it.stateIt.Hash, it.stateIt.Node, it.stateIt.Parent } return true } |