# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
from xdrlib3 import Packer, Unpacker
from .signer_key_ed25519_signed_payload import SignerKeyEd25519SignedPayload
from .signer_key_type import SignerKeyType
from .uint256 import Uint256
__all__ = ["SignerKey"]
[docs]
class SignerKey:
"""
XDR Source Code::
union SignerKey switch (SignerKeyType type)
{
case SIGNER_KEY_TYPE_ED25519:
uint256 ed25519;
case SIGNER_KEY_TYPE_PRE_AUTH_TX:
/* SHA-256 Hash of TransactionSignaturePayload structure */
uint256 preAuthTx;
case SIGNER_KEY_TYPE_HASH_X:
/* Hash of random 256 bit preimage X */
uint256 hashX;
case SIGNER_KEY_TYPE_ED25519_SIGNED_PAYLOAD:
struct
{
/* Public key that must sign the payload. */
uint256 ed25519;
/* Payload to be raw signed by ed25519. */
opaque payload<64>;
} ed25519SignedPayload;
};
"""
def __init__(
self,
type: SignerKeyType,
ed25519: Uint256 = None,
pre_auth_tx: Uint256 = None,
hash_x: Uint256 = None,
ed25519_signed_payload: SignerKeyEd25519SignedPayload = None,
) -> None:
self.type = type
self.ed25519 = ed25519
self.pre_auth_tx = pre_auth_tx
self.hash_x = hash_x
self.ed25519_signed_payload = ed25519_signed_payload
def pack(self, packer: Packer) -> None:
self.type.pack(packer)
if self.type == SignerKeyType.SIGNER_KEY_TYPE_ED25519:
if self.ed25519 is None:
raise ValueError("ed25519 should not be None.")
self.ed25519.pack(packer)
return
if self.type == SignerKeyType.SIGNER_KEY_TYPE_PRE_AUTH_TX:
if self.pre_auth_tx is None:
raise ValueError("pre_auth_tx should not be None.")
self.pre_auth_tx.pack(packer)
return
if self.type == SignerKeyType.SIGNER_KEY_TYPE_HASH_X:
if self.hash_x is None:
raise ValueError("hash_x should not be None.")
self.hash_x.pack(packer)
return
if self.type == SignerKeyType.SIGNER_KEY_TYPE_ED25519_SIGNED_PAYLOAD:
if self.ed25519_signed_payload is None:
raise ValueError("ed25519_signed_payload should not be None.")
self.ed25519_signed_payload.pack(packer)
return
@classmethod
def unpack(cls, unpacker: Unpacker) -> SignerKey:
type = SignerKeyType.unpack(unpacker)
if type == SignerKeyType.SIGNER_KEY_TYPE_ED25519:
ed25519 = Uint256.unpack(unpacker)
return cls(type=type, ed25519=ed25519)
if type == SignerKeyType.SIGNER_KEY_TYPE_PRE_AUTH_TX:
pre_auth_tx = Uint256.unpack(unpacker)
return cls(type=type, pre_auth_tx=pre_auth_tx)
if type == SignerKeyType.SIGNER_KEY_TYPE_HASH_X:
hash_x = Uint256.unpack(unpacker)
return cls(type=type, hash_x=hash_x)
if type == SignerKeyType.SIGNER_KEY_TYPE_ED25519_SIGNED_PAYLOAD:
ed25519_signed_payload = SignerKeyEd25519SignedPayload.unpack(unpacker)
return cls(type=type, ed25519_signed_payload=ed25519_signed_payload)
return cls(type=type)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> SignerKey:
unpacker = Unpacker(xdr)
return cls.unpack(unpacker)
def to_xdr(self) -> str:
xdr_bytes = self.to_xdr_bytes()
return base64.b64encode(xdr_bytes).decode()
@classmethod
def from_xdr(cls, xdr: str) -> SignerKey:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def __hash__(self):
return hash(
(
self.type,
self.ed25519,
self.pre_auth_tx,
self.hash_x,
self.ed25519_signed_payload,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.type == other.type
and self.ed25519 == other.ed25519
and self.pre_auth_tx == other.pre_auth_tx
and self.hash_x == other.hash_x
and self.ed25519_signed_payload == other.ed25519_signed_payload
)
def __str__(self):
out = []
out.append(f"type={self.type}")
out.append(f"ed25519={self.ed25519}") if self.ed25519 is not None else None
out.append(
f"pre_auth_tx={self.pre_auth_tx}"
) if self.pre_auth_tx is not None else None
out.append(f"hash_x={self.hash_x}") if self.hash_x is not None else None
out.append(
f"ed25519_signed_payload={self.ed25519_signed_payload}"
) if self.ed25519_signed_payload is not None else None
return f"<SignerKey [{', '.join(out)}]>"