def write_header(hasher: Writer, header: EosTxHeader) -> None:
write_uint32_le(hasher, header.expiration)
write_uint16_le(hasher, header.ref_block_num)
write_uint32_le(hasher, header.ref_block_prefix)
write_variant32(hasher, header.max_net_usage_words)
write_uint8(hasher, header.max_cpu_usage_ms)
write_variant32(hasher, header.delay_sec)
def write_tx_header(self, w: Writer, tx: SignTx | PrevTx,
witness_marker: bool) -> None:
# defined in ZIP-225 (see https://zips.z.cash/zip-0225)
assert tx.version_group_id is not None
assert tx.branch_id is not None # checked in sanitize_*
assert tx.expiry is not None
write_uint32_le(w,
tx.version | OVERWINTERED) # nVersion | fOverwintered
write_uint32_le(w, tx.version_group_id) # nVersionGroupId
write_uint32_le(w, tx.branch_id) # nConsensusBranchId
write_uint32_le(w, tx.lock_time) # lock_time
write_uint32_le(w, tx.expiry) # expiryHeight
def write_auth(w: Writer, auth: EosAuthorization) -> None:
write_uint32_le(w, auth.threshold)
write_variant32(w, len(auth.keys))
for key in auth.keys:
write_variant32(w, key.type)
write_bytes_unchecked(w, key.key)
write_uint16_le(w, key.weight)
write_variant32(w, len(auth.accounts))
for account in auth.accounts:
write_uint64_le(w, account.account.actor)
write_uint64_le(w, account.account.permission)
write_uint16_le(w, account.weight)
write_variant32(w, len(auth.waits))
for wait in auth.waits:
write_uint32_le(w, wait.wait_sec)
write_uint16_le(w, wait.weight)
def write_auth(w: Writer, auth: EosAuthorization) -> None:
write_uint32_le(w, auth.threshold)
write_uvarint(w, len(auth.keys))
for key in auth.keys:
if key.key is None:
raise wire.DataError("Key must be provided explicitly.")
write_uvarint(w, key.type)
write_bytes_fixed(w, key.key, 33)
write_uint16_le(w, key.weight)
write_uvarint(w, len(auth.accounts))
for account in auth.accounts:
write_uint64_le(w, account.account.actor)
write_uint64_le(w, account.account.permission)
write_uint16_le(w, account.weight)
write_uvarint(w, len(auth.waits))
for wait in auth.waits:
write_uint32_le(w, wait.wait_sec)
write_uint16_le(w, wait.weight)
def serialize_tx_common(
common: NEMTransactionCommon,
public_key: bytes,
transaction_type: int,
version: int | None = None,
) -> bytearray:
w = bytearray()
write_uint32_le(w, transaction_type)
if version is None:
version = common.network << 24 | 1
write_uint32_le(w, version)
write_uint32_le(w, common.timestamp)
write_bytes_with_len(w, public_key)
write_uint64_le(w, common.fee)
write_uint32_le(w, common.deadline)
return w
def write_action_buyrambytes(w: Writer, msg: EosActionBuyRamBytes) -> None:
write_uint64_le(w, msg.payer)
write_uint64_le(w, msg.receiver)
write_uint32_le(w, msg.bytes)
def write_bytes_with_len(w: Writer, buf: bytes) -> None:
write_uint32_le(w, len(buf))
write_bytes_unchecked(w, buf)
def write_bytes_with_len(w, buf: bytes):
write_uint32_le(w, len(buf))
write_bytes(w, buf)
def write_action_buyrambytes(w: bytearray, msg: EosActionBuyRamBytes):
write_uint64_le(w, msg.payer)
write_uint64_le(w, msg.receiver)
write_uint32_le(w, msg.bytes)
