def modify_signing_requirements(self,
public_keys_signers,
signature_count,
low_treshold=0,
high_treshold=2,
master_weight=2):
"""modify_signing_requirements sets the signing requirements for a multisig account. It also adds
the public keys of the signer to this account.
:param public_keys_signers: list of public keys of signers.
:type public_keys_signers: list
:param signature_count: amount of signatures required to transfer funds.
:type signature_count: int
:param low_treshold: weight required for low security operations (transaction processing, allow trust, bump sequence)
:type low_treshold: int
:param high_treshold: weight required for high security operations (set options, account merge)
:type high_treshold: int
:param master_weight: A number from 0-255 (inclusive) representing the weight of the master key. If the weight of the master key is updated to 0, it is effectively disabled.
:type master_weight: int
"""
account = self.load_account()
source_keypair = Keypair.from_secret(self.secret)
horizon_server = self._get_horizon_server()
base_fee = horizon_server.fetch_base_fee()
transaction_builder = TransactionBuilder(
account,
network_passphrase=_NETWORK_PASSPHRASES[str(self.network)],
base_fee=base_fee)
# set the signing options
transaction_builder.append_set_options_op(
low_threshold=low_treshold,
med_threshold=signature_count,
high_threshold=high_treshold,
master_weight=master_weight)
# For every public key given, add it as a signer to this account
for public_key_signer in public_keys_signers:
transaction_builder.append_ed25519_public_key_signer(
public_key_signer, 1)
transaction_builder.set_timeout(30)
tx = transaction_builder.build()
tx.sign(source_keypair)
try:
response = horizon_server.submit_transaction(tx)
self._log_info(response)
self._log_info(
"Set the signers of {address} to require {signature_count} signers"
.format(address=self.address, signature_count=signature_count))
except BadRequestError:
self._log_info(
"Transaction need additional signatures in order to send")
return tx.to_xdr()
def modify_signing_requirements(self, public_keys_signers, signature_count, low_treshold=1, high_treshold=2):
"""modify_signing_requirements sets to amount of signatures required for the creation of multisig account. It also adds
the public keys of the signer to this account
:param public_keys_signers: list of public keys of signers.
:type public_keys_signers: list
:param signature_count: amount of signatures requires to transfer funds.
:type signature_count: str
:param low_treshold: amount of signatures required for low security operations (transaction processing, allow trust, bump sequence)
:type low_treshold: str
:param high_treshold: amount of signatures required for high security operations (set options, account merge)
:type: str
"""
if len(public_keys_signers) != signature_count - 1:
raise Exception(
"Number of public_keys must be 1 less than the signature count in order to set the signature count"
)
account = self.load_account()
source_keypair = Keypair.from_secret(self.secret)
transaction_builder = TransactionBuilder(account)
# set the signing options
transaction_builder.append_set_options_op(
low_threshold=low_treshold, med_threshold=signature_count, high_threshold=high_treshold
)
# For every public key given, add it as a signer to this account
for public_key_signer in public_keys_signers:
transaction_builder.append_ed25519_public_key_signer(public_key_signer, 1)
transaction_builder.set_timeout(30)
tx = transaction_builder.build()
tx.sign(source_keypair)
horizon_server = self._get_horizon_server()
try:
response = horizon_server.submit_transaction(tx)
self._log_info(response)
self._log_info(
"Set the signers of {address} to require {signature_count} signers".format(
address=self.address, signature_count=signature_count
)
)
except BadRequestError:
self._log_info("Transaction need additional signatures in order to send")
return tx.to_xdr()
