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| author | Péter Szilágyi <peterke@gmail.com> | 2015-10-07 17:14:30 +0800 |
|---|---|---|
| committer | Péter Szilágyi <peterke@gmail.com> | 2015-10-19 15:03:10 +0800 |
| commit | b97e34a8e4d06b315cc495819ba6612f89dec54f (patch) | |
| tree | 22ddf740ffe180b29b9b5a3a94684d7ac2a5ae19 /trie/trie.go | |
| parent | ab27bee25a845be90bd60e774ff68d2ea1501772 (diff) | |
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eth/downloader: concurrent receipt and state processing
Diffstat (limited to 'trie/trie.go')
| -rw-r--r-- | trie/trie.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/trie/trie.go b/trie/trie.go index aa8d39fe2..a3a383fb5 100644 --- a/trie/trie.go +++ b/trie/trie.go @@ -24,6 +24,7 @@ import ( "hash" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/crypto/sha3" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" @@ -35,8 +36,12 @@ const defaultCacheCapacity = 800 var ( // The global cache stores decoded trie nodes by hash as they get loaded. globalCache = newARC(defaultCacheCapacity) + // This is the known root hash of an empty trie. emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421") + + // This is the known hash of an empty state trie entry. + emptyState = crypto.Sha3Hash(nil) ) var ErrMissingRoot = errors.New("missing root node") |