def get_seq(self, address: PlatformAddress, block_number: int = None):
if not PlatformAddress.check(address):
raise ValueError(
f"Expected the first argument of getSeq to be a PlatformAddress value but found {address}"
)
if block_number is not None and block_number >= 0:
raise ValueError(
f"Expected the second argument of getSeq to be a number but found ${block_number}"
)
return self.rpc.send_rpc_request("chain", "get_seq",
str(PlatformAddress.ensure(address)),
block_number)
def approve_transaction(
self,
account: Union[str, PlatformAddress],
transaction: AssetTransaction,
keystore=None,
passphrase="",
):
if not is_keystore(keystore):
raise ValueError(
f"Expected keyStore param to be a KeyStore instance but found {keystore}"
)
if not PlatformAddress.check(account):
raise ValueError(
f"Expected account param to be a PlatformAddress value but found {account}"
)
account_id = PlatformAddress.ensure(account).account_id
return keystore.platform.sign(account_id.to_string(),
transaction.tracker(), passphrase)
def send_transaction(
self,
tx: Transaction,
account: PlatformAddress = None,
passphrase: str = None,
seq: Union[int, None] = None,
fee: U64 = None,
block_number: int = None,
):
if not isinstance(tx, Transaction):
raise ValueError(
f"Expected the first argument of sendTransaction to be a Transaction but found {tx}"
)
account = self.transaction_signer if account is None else account
fee = (self.get_mint_transaction_fee(
tx.transaction_type(), block_number) if fee is None else fee)
if account is None:
raise ValueError("The account to sign the tx is not specified")
elif not PlatformAddress.check(account):
raise ValueError(
f"Expected account param of sendTransaction to be a PlatformAddress value but found {account}"
)
seq = self.get_seq(account) if seq is None else seq
tx.seq = seq
if fee is None:
raise ValueError("The fee of the tx is not specified")
tx.fee = fee
address = PlatformAddress.ensure(account)
sig = self.rpc.account.sign(tx.unsigned_hash(), address, passphrase)
return self.send_signed_transaction(SignedTransaction(tx, sig))
def sign_transaction(
self,
tx: Transaction,
account: Union[PlatformAddress, str],
fee: Union[U64, str, int],
seq: int,
keystore=None,
passphrase="",
):
if not isinstance(tx, Transaction):
raise ValueError(
f"Expected the first argument of signTransaction to be a Transaction instance but found {tx}"
)
keystore = self.ensure_keystore()
if not is_keystore(keystore):
raise ValueError(
f"Expected keyStore param to be a KeyStore instance but found {keystore}"
)
if not PlatformAddress.check(account):
raise ValueError(
f"Expected account param to be a PlatformAddress value but found {account}"
)
if not U64.check(fee):
raise ValueError(
f"Expected fee param to be a U64 value but found {fee}")
if not isinstance(seq, int):
raise ValueError(
f"Expected seq param to be a number value but found {seq}")
tx.fee = fee
tx.seq = seq
account_id = PlatformAddress.ensure(account).account_id
sig = keystore.platform.sign(account_id.to_string(),
tx.unsigned_hash(), passphrase)
return SignedTransaction(tx, sig)
def sign(self,
message_digest: H256,
address: PlatformAddress,
passphrase: str = None):
if not H256.check(message_digest):
raise ValueError(
f"Expected the first argument to be an H256 value but found {message_digest}"
)
if not PlatformAddress.check(address):
raise ValueError(
f"Expected the second argument to be a PlatformAddress value but found {address}"
)
if passphrase is not None and not isinstance(passphrase, str):
raise ValueError(
f"Expected the third argument to be a string but found {passphrase}"
)
return self.rpc.send_rpc_request(
"account",
"sign",
"0x" + str(H256(message_digest)),
str(PlatformAddress.ensure(address)),
passphrase,
)
def check_registrar(registrar: Union[None, PlatformAddress]):
if registrar is not None and not PlatformAddress.check(registrar):
raise ValueError(
f"Expected registrar param to be either null or a PlatformAddress value but found ${registrar}"
)
def check_approver(approver: Union[None, PlatformAddress]):
if approver is not None and not PlatformAddress.check(approver):
raise ValueError(
f"Expected approver param to be either null or a PlatformAddress value but found ${approver}"
)