{"action":"created","comment":{"url":"https://api.github.com/repos/ethereum/go-ethereum/pulls/comments/80643563","pull_request_review_id":1686621,"id":80643563,"diff_hunk":"@@ -232,7 +155,12 @@ func (it *NodeIterator) step() error {\n \t\t\t}\n \t\t\tfor parent.child++; parent.child < len(node.Children); parent.child++ {\n \t\t\t\tif current := node.Children[parent.child]; current != nil {\n-\t\t\t\t\tit.stack = append(it.stack, &nodeIteratorState{node: current, parent: ancestor, child: -1})\n+\t\t\t\t\tit.stack = append(it.stack, &nodeIteratorState{\n+\t\t\t\t\t\thash:   common.BytesToHash(node.hash),","path":"trie/iterator.go","position":214,"original_position":214,"commit_id":"ae9c64061fb5a1f827677e2e372f41ec6f109f0f","original_commit_id":"ae9c64061fb5a1f827677e2e372f41ec6f109f0f","user":{"login":"karalabe","id":129561,"avatar_url":"https://avatars.githubusercontent.com/u/129561?v=3","gravatar_id":"","url":"https://api.github.com/users/karalabe","html_url":"https://github.com/karalabe","followers_url":"https://api.github.com/users/karalabe/followers","following_url":"https://api.github.com/users/karalabe/following{/other_user}","gists_url":"https://api.github.com/users/karalabe/gists{/gist_id}","starred_url":"https://api.github.com/users/karalabe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/karalabe/subscriptions","organizations_url":"https://api.github.com/users/karalabe/orgs","repos_url":"https://api.github.com/users/karalabe/repos","events_url":"https://api.github.com/users/karalabe/events{/privacy}","received_events_url":"https://api.github.com/users/karalabe/received_events","type":"User","site_admin":false},"body":"I don't see why this should be set? The `hash` field supposed to be the hash of the current node, or `nil` if it's an internal node. Since we're iterating a full node, the children don't have hashes afaik. Also this code seems to set `hash` to the full node's hash, not the childs one. If I remove it though a test fails, which is even more odd, since the original code didn't have this and it passed.","created_at":"2016-09-27T08:34:28Z","updated_at":"2016-09-27T08:34:28Z","html_url":"https://github.com/ethereum/go-ethereum/pull/3045#discussion_r80643563","pull_request_url":"https://api.github.com/repos/ethereum/go-ethereum/pulls/3045","_links":{"self":{"href":"https://api.github.com/repos/ethereum/go-ethereum/pulls/comments/80643563"},"html":{"href":"https://github.com/ethereum/go-ethereum/pull/3045#discussion_r80643563"},"pull_request":{"href":"https://api.github.com/repos/ethereum/go-ethereum/pulls/3045"}}},"pull_request":{"url":"https://api.github.com/repos/ethereum/go-ethereum/pulls/3045","id":86834935,"html_url":"https://github.com/ethereum/go-ethereum/pull/3045","diff_url":"https://github.com/ethereum/go-ethereum/pull/3045.diff","patch_url":"https://github.com/ethereum/go-ethereum/pull/3045.patch","issue_url":"https://api.github.com/repos/ethereum/go-ethereum/issues/3045","number":3045,"state":"open","locked":false,"title":"core/state: replace all cache with trie 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