def get_result(self, request: Request):
version = request.operation.get(GET_TXN_AUTHOR_AGREEMENT_VERSION)
digest = request.operation.get(GET_TXN_AUTHOR_AGREEMENT_DIGEST)
timestamp = request.operation.get(GET_TXN_AUTHOR_AGREEMENT_TIMESTAMP)
if version is not None:
path = StaticTAAHelper.state_path_taa_version(version)
digest, proof = self._get_value_from_state(path, with_proof=True)
return self._return_txn_author_agreement(request,
proof,
digest=digest)
if digest is not None:
path = StaticTAAHelper.state_path_taa_digest(digest)
data, proof = self._get_value_from_state(path, with_proof=True)
return self._return_txn_author_agreement(request, proof, data=data)
if timestamp is not None:
head_hash = self.database_manager.ts_store.get_equal_or_prev(
timestamp, CONFIG_LEDGER_ID)
if head_hash is None:
return self._return_txn_author_agreement(request, None)
path = StaticTAAHelper.state_path_taa_latest()
digest, proof = self._get_value_from_state(path,
head_hash,
with_proof=True)
return self._return_txn_author_agreement(request,
proof,
head_hash=head_hash,
digest=digest)
path = StaticTAAHelper.state_path_taa_latest()
digest, proof = self._get_value_from_state(path, with_proof=True)
return self._return_txn_author_agreement(request, proof, digest=digest)
def test_update_state(txn_author_agreement_disable_handler,
taa_disable_request, txn_author_agreement_handler, tconf,
domain_state, taa_pp_time):
# create TAAs
taa_txns = []
taa_digests = []
taa_state_datas = []
for _ in list(range(5)):
txn, digest, state_data = create_taa_txn(
taa_request(tconf, domain_state, taa_pp_time), taa_pp_time)
taa_txns.append(txn)
taa_digests.append(digest)
taa_state_datas.append(state_data)
assert taa_txns
# create a disable txn
disable_seq_no = 1
disable_txn_time = get_utc_epoch()
taa_disable_txn = reqToTxn(taa_disable_request)
append_txn_metadata(taa_disable_txn, disable_seq_no, disable_txn_time)
# set a TAAs
for index, taa_txn in enumerate(taa_txns):
txn_author_agreement_handler.update_state(taa_txn, None, None)
check_taa_in_state(
handler=txn_author_agreement_handler,
digest=taa_digests[index],
version=taa_state_datas[index][0][TXN_AUTHOR_AGREEMENT_VERSION],
state_data=taa_state_datas[index])
assert txn_author_agreement_disable_handler.state.get(
StaticTAAHelper.state_path_taa_latest(),
isCommitted=False) == taa_digests[index].encode()
# disable TAAs
txn_author_agreement_disable_handler.update_state(taa_disable_txn, None,
None)
assert txn_author_agreement_disable_handler.state.get(
StaticTAAHelper.state_path_taa_latest(), isCommitted=False) is None
# set a TAAs
for index, state_data in enumerate(taa_state_datas):
state_value = state_data[0]
state_value[TXN_AUTHOR_AGREEMENT_RETIREMENT_TS] = disable_txn_time
check_taa_in_state(handler=txn_author_agreement_handler,
digest=taa_digests[index],
version=state_value[TXN_AUTHOR_AGREEMENT_VERSION],
state_data=(state_data[0], disable_seq_no,
disable_txn_time))
def test_update_state(txn_author_agreement_handler, taa_request):
seq_no = 1
txn_time = 1560241033
txn_id = "id"
txn = reqToTxn(taa_request)
payload = get_payload_data(txn)
text = payload[TXN_AUTHOR_AGREEMENT_TEXT]
version = payload[TXN_AUTHOR_AGREEMENT_VERSION]
digest = StaticTAAHelper.taa_digest(text, version)
append_txn_metadata(txn, seq_no, txn_time, txn_id)
state_value = {
TXN_AUTHOR_AGREEMENT_TEXT: text,
TXN_AUTHOR_AGREEMENT_VERSION: version
}
txn_author_agreement_handler.update_state(txn, None, taa_request)
assert txn_author_agreement_handler.get_from_state(
StaticTAAHelper.state_path_taa_digest(digest)) == (state_value, seq_no,
txn_time)
assert txn_author_agreement_handler.state.get(
StaticTAAHelper.state_path_taa_latest()) == digest
assert txn_author_agreement_handler.state.get(
StaticTAAHelper.state_path_taa_version(version)) == digest
def _add_taa_to_state(self, digest, seq_no, txn_time, text, version,
ratification_ts):
self._set_taa_to_state(digest, seq_no, txn_time, text, version,
ratification_ts)
self.state.set(StaticTAAHelper.state_path_taa_version(version), digest)
self.state.set(StaticTAAHelper.state_path_taa_latest(), digest)
def update_state(self, txn, prev_result, request, is_committed=False):
self._validate_txn_type(txn)
seq_no = get_seq_no(txn)
txn_time = get_txn_time(txn)
_, taa_list = self.state.generate_state_proof_for_keys_with_prefix(
StaticTAAHelper.state_path_taa_digest(""),
serialize=False,
get_value=True)
for encode_key, encode_data in taa_list.items():
taa = rlp_decode(encode_data)
taa, last_seq_no, last_update_time = self._decode_state_value(
taa[0])
digest = StaticTAAHelper.get_digest_from_state_key(encode_key)
if TXN_AUTHOR_AGREEMENT_RETIREMENT_TS not in taa or taa.get(
TXN_AUTHOR_AGREEMENT_RETIREMENT_TS, 0) > txn_time:
self._set_taa_to_state(
digest,
seq_no,
txn_time,
taa[TXN_AUTHOR_AGREEMENT_TEXT],
taa[TXN_AUTHOR_AGREEMENT_VERSION],
taa.get(TXN_AUTHOR_AGREEMENT_RATIFICATION_TS,
last_update_time),
retirement_ts=txn_time)
self.state.remove(StaticTAAHelper.state_path_taa_latest())
def additional_dynamic_validation(self, request: Request,
req_pp_time: Optional[int]):
if not self.state.get(StaticTAAHelper.state_path_taa_latest(),
isCommitted=False):
raise InvalidClientRequest(
request.identifier, request.reqId,
"Transaction author agreement is already disabled.")
def test_update_state(txn_author_agreement_handler, taa_request, taa_pp_time):
txn, digest, state_data = create_taa_txn(taa_request, taa_pp_time)
txn_author_agreement_handler.update_state(txn, None, taa_request)
check_taa_in_state(handler=txn_author_agreement_handler,
digest=digest,
version=state_data[0][TXN_AUTHOR_AGREEMENT_VERSION],
state_data=state_data)
assert txn_author_agreement_handler.state.get(
StaticTAAHelper.state_path_taa_latest(),
isCommitted=False) == digest.encode()
def _update_txn_author_agreement(self, seq_no, txn_time, text, version):
digest = StaticTAAHelper.taa_digest(text, version)
data = encode_state_value(
{
TXN_AUTHOR_AGREEMENT_TEXT: text,
TXN_AUTHOR_AGREEMENT_VERSION: version
},
seq_no,
txn_time,
serializer=config_state_serializer)
self.state.set(StaticTAAHelper.state_path_taa_digest(digest), data)
self.state.set(StaticTAAHelper.state_path_taa_latest(), digest)
self.state.set(StaticTAAHelper.state_path_taa_version(version), digest)
def update_state(self, txn, prev_result, request, is_committed=False):
self._validate_txn_type(txn)
payload = get_payload_data(txn)
text = payload[TXN_AUTHOR_AGREEMENT_TEXT]
version = payload[TXN_AUTHOR_AGREEMENT_VERSION]
seq_no = get_seq_no(txn)
txn_time = get_txn_time(txn)
digest = StaticTAAHelper.taa_digest(text, version)
data = encode_state_value({
TXN_AUTHOR_AGREEMENT_TEXT: text,
TXN_AUTHOR_AGREEMENT_VERSION: version
}, seq_no, txn_time, serializer=config_state_serializer)
self.state.set(StaticTAAHelper.state_path_taa_digest(digest), data)
self.state.set(StaticTAAHelper.state_path_taa_latest(), digest)
self.state.set(StaticTAAHelper.state_path_taa_version(version), digest)
def test_dynamic_validation_update_with_retired_taa_off(
txn_author_agreement_handler, domain_state, taa_request, taa_pp_time,
set_aml, retired_time):
txn, digest, state_data = create_taa_txn(taa_request, taa_pp_time)
txn_author_agreement_handler.update_state(txn, None, taa_request)
txn_author_agreement_handler.state.remove(
StaticTAAHelper.state_path_taa_latest())
if retired_time != "without":
taa_request.operation[
TXN_AUTHOR_AGREEMENT_RETIREMENT_TS] = retired_time
with pytest.raises(
InvalidClientRequest,
match=
"Retirement date cannot be changed when TAA enforcement is disabled."
):
txn_author_agreement_handler.dynamic_validation(
taa_request, taa_pp_time)
def test_dynamic_validation(txn_author_agreement_disable_handler,
taa_disable_request):
txn_author_agreement_disable_handler.state.set(
StaticTAAHelper.state_path_taa_latest(), "{}")
txn_author_agreement_disable_handler.dynamic_validation(
taa_disable_request, 0)
