Differential D10140 Diff 30447 src/avalanche/proofbuilder.cpp

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src/avalanche/proofbuilder.cpp

Show All 27 Lines	bool ProofBuilder::addUTXO(COutPoint utxo, Amount amount, uint32_t height,
return stakes		return stakes
.emplace(Stake(std::move(utxo), amount, height, is_coinbase,		.emplace(Stake(std::move(utxo), amount, height, is_coinbase,
key.GetPubKey()),		key.GetPubKey()),
std::move(key))		std::move(key))
.second;		.second;
}		}

Proof ProofBuilder::build() {		Proof ProofBuilder::build() {
		SchnorrSig proofSignature;
		const LimitedProofId limitedProofId = getLimitedProofId();
		if (!masterKey.SignSchnorr(limitedProofId, proofSignature)) {
		proofSignature.fill(0);
		}

const ProofId proofid = getProofId();		const ProofId proofid = getProofId();
const StakeCommitment commitment(proofid);		const StakeCommitment commitment(proofid);

std::vector<SignedStake> signedStakes;		std::vector<SignedStake> signedStakes;
signedStakes.reserve(stakes.size());		signedStakes.reserve(stakes.size());

while (!stakes.empty()) {		while (!stakes.empty()) {
auto handle = stakes.extract(stakes.begin());		auto handle = stakes.extract(stakes.begin());
signedStakes.push_back(handle.value().sign(commitment));		signedStakes.push_back(handle.value().sign(commitment));
}		}

return Proof(sequence, expirationTime, masterKey.GetPubKey(),		return Proof(sequence, expirationTime, masterKey.GetPubKey(),
std::move(signedStakes), payoutScriptPubKey);		std::move(signedStakes), payoutScriptPubKey,
		std::move(proofSignature));
}		}

ProofId ProofBuilder::getProofId() const {		LimitedProofId ProofBuilder::getLimitedProofId() const {
CHashWriter ss(SER_GETHASH, 0);		CHashWriter ss(SER_GETHASH, 0);
ss << sequence;		ss << sequence;
ss << expirationTime;		ss << expirationTime;

if (!Proof::useLegacy(gArgs)) {		if (!Proof::useLegacy(gArgs)) {
ss << payoutScriptPubKey;		ss << payoutScriptPubKey;
}		}

WriteCompactSize(ss, stakes.size());		WriteCompactSize(ss, stakes.size());
for (const auto &s : stakes) {		for (const auto &s : stakes) {
ss << s.stake;		ss << s.stake;
}		}

CHashWriter ss2(SER_GETHASH, 0);		return LimitedProofId(ss.GetHash());
ss2 << ss.GetHash();		}
ss2 << masterKey.GetPubKey();
		ProofId ProofBuilder::getProofId() const {
		CHashWriter ss(SER_GETHASH, 0);
		ss << getLimitedProofId();
		ss << masterKey.GetPubKey();

return ProofId(ss2.GetHash());		return ProofId(ss.GetHash());
}		}

} // namespace avalanche		} // namespace avalanche