async def request_signatures(
self, request: harvester_protocol.RequestSignatures):
"""
The farmer requests a signature on the header hash, for one of the proofs that we found.
A signature is created on the header hash using the harvester private key. This can also
be used for pooling.
"""
plot_filename = Path(request.plot_identifier[64:]).resolve()
with self.harvester.plot_manager:
try:
plot_info = self.harvester.plot_manager.plots[plot_filename]
except KeyError:
self.harvester.log.warning(
f"KeyError plot {plot_filename} does not exist.")
return None
# Look up local_sk from plot to save locked memory
(
pool_public_key_or_puzzle_hash,
farmer_public_key,
local_master_sk,
) = parse_plot_info(plot_info.prover.get_memo())
local_sk = master_sk_to_local_sk(local_master_sk)
if isinstance(pool_public_key_or_puzzle_hash, G1Element):
include_taproot = False
else:
assert isinstance(pool_public_key_or_puzzle_hash, bytes32)
include_taproot = True
agg_pk = ProofOfSpace.generate_plot_public_key(local_sk.get_g1(),
farmer_public_key,
include_taproot)
# This is only a partial signature. When combined with the farmer's half, it will
# form a complete PrependSignature.
message_signatures: List[Tuple[bytes32, G2Element]] = []
for message in request.messages:
signature: G2Element = AugSchemeMPL.sign(local_sk, message, agg_pk)
message_signatures.append((message, signature))
response: harvester_protocol.RespondSignatures = harvester_protocol.RespondSignatures(
request.plot_identifier,
request.challenge_hash,
request.sp_hash,
local_sk.get_g1(),
farmer_public_key,
message_signatures,
)
return make_msg(ProtocolMessageTypes.respond_signatures, response)
))
],
)
respond_signatures = harvester_protocol.RespondSignatures(
"plot_1",
bytes32(
bytes.fromhex(
"59468dce63b5b08490ec4eec4c461fc84b69b6f80a64f4c76b0d55780f7e7e7a")
),
bytes32(
bytes.fromhex(
"270b5fc00545db714077aba3b60245d769f492563f108a73b2b8502503d12b9e")
),
G1Element(
bytes.fromhex(
"a04c6b5ac7dfb935f6feecfdd72348ccf1d4be4fe7e26acf271ea3b7d308da61e0a308f7a62495328a81f5147b66634c"
), ),
G1Element(
bytes.fromhex(
"a04c6b5ac7dfb935f6feecfdd72348ccf1d4be4fe7e26acf271ea3b7d308da61e0a308f7a62495328a81f5147b66634c"
), ),
[(bytes32(
bytes.fromhex(
"c32fd5310f5e8623697561930dca73cb9da5b3ddb903f52818724bb3bdd9349c")
), g2_element)],
)
plot = harvester_protocol.Plot(
"plot_1",
uint8(124),