Beispiel #1
0
func (it *TrieIterator) iterateNode(key []int, currentNode *ethutil.Value, cb EachCallback) {
	if currentNode.Len() == 2 {
		k := CompactDecode(currentNode.Get(0).Str())

		pk := append(key, k...)
		if currentNode.Get(1).Len() != 0 && currentNode.Get(1).Str() == "" {
			it.iterateNode(pk, currentNode.Get(1), cb)
		} else {

			if k[len(k)-1] == 16 {
				cb(DecodeCompact(pk), currentNode.Get(1))
			} else {
				it.fetchNode(pk, currentNode.Get(1).Bytes(), cb)
			}
		}
	} else {
		for i := 0; i < currentNode.Len(); i++ {
			pk := append(key, i)
			if i == 16 && currentNode.Get(i).Len() != 0 {
				cb(DecodeCompact(pk), currentNode.Get(i))
			} else {
				if currentNode.Get(i).Len() != 0 && currentNode.Get(i).Str() == "" {
					it.iterateNode(pk, currentNode.Get(i), cb)
				} else {
					val := currentNode.Get(i).Str()
					if val != "" {
						it.fetchNode(pk, []byte(val), cb)
					}
				}
			}
		}
	}
}
Beispiel #2
0
// Some time in the near future this will need refactoring :-)
// XXX Note to self, IsSlice == inline node. Str == sha3 to node
func (it *TrieIterator) workNode(currentNode *ethutil.Value) {
	if currentNode.Len() == 2 {
		k := CompactDecode(currentNode.Get(0).Str())

		if currentNode.Get(1).Str() == "" {
			it.workNode(currentNode.Get(1))
		} else {
			if k[len(k)-1] == 16 {
				it.values = append(it.values, currentNode.Get(1).Str())
			} else {
				it.shas = append(it.shas, currentNode.Get(1).Bytes())
				it.getNode(currentNode.Get(1).Bytes())
			}
		}
	} else {
		for i := 0; i < currentNode.Len(); i++ {
			if i == 16 && currentNode.Get(i).Len() != 0 {
				it.values = append(it.values, currentNode.Get(i).Str())
			} else {
				if currentNode.Get(i).Str() == "" {
					it.workNode(currentNode.Get(i))
				} else {
					val := currentNode.Get(i).Str()
					if val != "" {
						it.shas = append(it.shas, currentNode.Get(1).Bytes())
						it.getNode([]byte(val))
					}
				}
			}
		}
	}
}