def get_from_proof(cls, root_hash, key, proof):
trie = cls({})
for node in proof:
trie._persist_node(node)
trie.root_hash = root_hash
try:
return trie.get(key)
except KeyError as e:
raise BadTrieProof("Missing proof node with hash {}".format(e.args))
def get_from_proof(cls, root_hash, key, proof):
trie = cls({})
for node in proof:
trie._set_raw_node(node)
with trie.at_root(root_hash) as proven_snapshot:
try:
return proven_snapshot.get(key)
except KeyError as e:
raise BadTrieProof("Missing proof node with hash {}".format(
e.args))