def _create_policy_txn(signer, policy_name, rules):
entries = []
for rule in rules:
rule = rule.split(" ")
if rule[0] == "PERMIT_KEY":
entry = Policy.Entry(type=Policy.PERMIT_KEY, key=rule[1])
entries.append(entry)
elif rule[0] == "DENY_KEY":
entry = Policy.Entry(type=Policy.DENY_KEY, key=rule[1])
entries.append(entry)
policy = Policy(name=policy_name, entries=entries)
payload = IdentityPayload(type=IdentityPayload.POLICY,
data=policy.SerializeToString())
policy_address = _policy_to_address(policy_name)
header = TransactionHeader(
signer_public_key=signer.get_public_key().as_hex(),
family_name='sawtooth_identity',
family_version='1.0',
inputs=[_REQUIRED_INPUT, policy_address],
outputs=[policy_address],
dependencies=[],
payload_sha512=hashlib.sha512(payload.SerializeToString()).hexdigest(),
batcher_public_key=signer.get_public_key().as_hex(),
nonce=hex(random.randint(0, 2**64)))
header_bytes = header.SerializeToString()
transaction = Transaction(header=header_bytes,
payload=payload.SerializeToString(),
header_signature=signer.sign(header_bytes))
return transaction
def _create_role_txn(public_key, signing_key, role_name, policy_name):
role = Role(name=role_name, policy_name=policy_name)
payload = IdentityPayload(type=IdentityPayload.ROLE,
data=role.SerializeToString())
policy_address = _policy_to_address(policy_name)
role_address = _role_to_address(role_name)
header = TransactionHeader(
signer_public_key=public_key,
family_name='sawtooth_identity',
family_version='1.0',
inputs=[_REQUIRED_INPUT, policy_address, role_address],
outputs=[role_address],
dependencies=[],
payload_sha512=hashlib.sha512(payload.SerializeToString()).hexdigest(),
batcher_public_key=public_key,
nonce=time.time().hex().encode())
header_bytes = header.SerializeToString()
signature = signing.sign(header_bytes, signing_key)
transaction = Transaction(header=header_bytes,
payload=payload.SerializeToString(),
header_signature=signature)
return transaction
def _create_policy_txn(pubkey, signing_key, policy_name, rules):
entries = []
for rule in rules:
rule = rule.split(" ")
if rule[0] == "PERMIT_KEY":
entry = Policy.Entry(type=Policy.PERMIT_KEY,
key=rule[1])
entries.append(entry)
elif rule[0] == "DENY_KEY":
entry = Policy.Entry(type=Policy.DENY_KEY,
key=rule[1])
entries.append(entry)
policy = Policy(name=policy_name, entries=entries)
payload = IdentityPayload(type=IdentityPayload.POLICY,
data=policy.SerializeToString())
policy_address = _policy_to_address(policy_name)
header = TransactionHeader(
signer_pubkey=pubkey,
family_name='sawtooth_identity',
family_version='1.0',
inputs=[policy_address],
outputs=[policy_address],
dependencies=[],
payload_encoding="application/protobuf",
payload_sha512=hashlib.sha512(
payload.SerializeToString()).hexdigest(),
batcher_pubkey=pubkey,
nonce=time.time().hex().encode())
header_bytes = header.SerializeToString()
signature = signing.sign(header_bytes, signing_key)
transaction = Transaction(
header=header_bytes,
payload=payload.SerializeToString(),
header_signature=signature)
return transaction