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test/functional/test_framework/messages.py
| Show First 20 Lines • Show All 890 Lines • ▼ Show 20 Lines | def deserialize(self, f): | ||||
| self.stake.deserialize(f) | self.stake.deserialize(f) | ||||
| self.sig = f.read(64) | self.sig = f.read(64) | ||||
| def serialize(self) -> bytes: | def serialize(self) -> bytes: | ||||
| return self.stake.serialize() + self.sig | return self.stake.serialize() + self.sig | ||||
| class AvalancheProof: | class AvalancheProof: | ||||
| __slots__ = ("sequence", "expiration", "master", "stakes", "proofid") | __slots__ = ( | ||||
| "sequence", | |||||
| "expiration", | |||||
| "master", | |||||
| "stakes", | |||||
| "limited_proofid", | |||||
| "proofid") | |||||
| def __init__(self, sequence=0, expiration=0, | def __init__(self, sequence=0, expiration=0, | ||||
| master=b"", signed_stakes=None): | master=b"", signed_stakes=None): | ||||
| self.sequence: int = sequence | self.sequence: int = sequence | ||||
| self.expiration: int = expiration | self.expiration: int = expiration | ||||
| self.master: bytes = master | self.master: bytes = master | ||||
| self.stakes: List[AvalancheSignedStake] = signed_stakes or [ | self.stakes: List[AvalancheSignedStake] = signed_stakes or [ | ||||
| AvalancheSignedStake()] | AvalancheSignedStake()] | ||||
| self.proofid: int = self.compute_proof_id() | |||||
| def compute_proof_id(self) -> int: | self.limited_proofid: int = None | ||||
| """Return Bitcoin's 256-bit hash (double SHA-256) of the | self.proofid: int = None | ||||
| self.compute_proof_id() | |||||
| def compute_proof_id(self): | |||||
| """Compute Bitcoin's 256-bit hash (double SHA-256) of the | |||||
| serialized proof data. | serialized proof data. | ||||
| :return: bytes of length 32 | |||||
| """ | """ | ||||
| ss = struct.pack("<Qq", self.sequence, self.expiration) | ss = struct.pack("<Qq", self.sequence, self.expiration) | ||||
| ss += ser_compact_size(len(self.stakes)) | ss += ser_compact_size(len(self.stakes)) | ||||
| # Use unsigned stakes | # Use unsigned stakes | ||||
| for s in self.stakes: | for s in self.stakes: | ||||
| ss += s.stake.serialize() | ss += s.stake.serialize() | ||||
| h = hash256(ss) | h = hash256(ss) | ||||
| self.limited_proofid = uint256_from_str(h) | |||||
| h += ser_string(self.master) | h += ser_string(self.master) | ||||
| h = hash256(h) | h = hash256(h) | ||||
| # make it an int, for comparing with Delegation.proofid | # make it an int, for comparing with Delegation.proofid | ||||
| return uint256_from_str(h) | self.proofid = uint256_from_str(h) | ||||
| def deserialize(self, f): | def deserialize(self, f): | ||||
| self.sequence = struct.unpack("<Q", f.read(8))[0] | self.sequence = struct.unpack("<Q", f.read(8))[0] | ||||
| self.expiration = struct.unpack("<q", f.read(8))[0] | self.expiration = struct.unpack("<q", f.read(8))[0] | ||||
| self.master = deser_string(f) | self.master = deser_string(f) | ||||
| self.stakes = deser_vector(f, AvalancheSignedStake) | self.stakes = deser_vector(f, AvalancheSignedStake) | ||||
| self.proofid = self.compute_proof_id() | self.compute_proof_id() | ||||
| def serialize(self): | def serialize(self): | ||||
| r = b"" | r = b"" | ||||
| r += struct.pack("<Q", self.sequence) | r += struct.pack("<Q", self.sequence) | ||||
| r += struct.pack("<q", self.expiration) | r += struct.pack("<q", self.expiration) | ||||
| r += ser_string(self.master) | r += ser_string(self.master) | ||||
| r += ser_vector(self.stakes) | r += ser_vector(self.stakes) | ||||
| return r | return r | ||||
| ▲ Show 20 Lines • Show All 1,126 Lines • Show Last 20 Lines | |||||