Differential D9353 Diff 28052 src/avalanche/delegationbuilder.cpp

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src/avalanche/delegationbuilder.cpp

	// Copyright (c) 2020 The Bitcoin developers			// Copyright (c) 2020 The Bitcoin developers
	// Distributed under the MIT software license, see the accompanying			// Distributed under the MIT software license, see the accompanying
	// file COPYING or http://www.opensource.org/licenses/mit-license.php.			// file COPYING or http://www.opensource.org/licenses/mit-license.php.

	#include <avalanche/delegationbuilder.h>			#include <avalanche/delegationbuilder.h>

	#include <key.h>			#include <key.h>

	namespace avalanche {			namespace avalanche {

	DelegationBuilder::DelegationBuilder(const Proof &p)			DelegationBuilder::DelegationBuilder(const Proof &p)
	: proofid(p.getId()), dgid(proofid) {			: proofid(p.getId()), dgid(proofid) {
	levels.push_back({p.getMaster(), {}});			levels.push_back({p.getMaster(), {}});
	}			}

				bool DelegationBuilder::importDelegation(const Delegation &d) {
				if (d.getProofId() != proofid) {
				return false;
				}

				if (levels.size() > 1) {
				// We already imported a delegation
				return false;
				}

				if (!d.levels.size()) {
				return true;
				}

				dgid = d.getId();
				for (auto &l : d.levels) {
				levels.back().sig = l.sig;
				levels.push_back({l.pubkey, {}});
				}

				return true;
				}

	bool DelegationBuilder::addLevel(const CKey &key, const CPubKey &master) {			bool DelegationBuilder::addLevel(const CKey &key, const CPubKey &master) {
	// Ensures that the private key provided is the one we need.			// Ensures that the private key provided is the one we need.
	if (levels.back().pubkey != key.GetPubKey()) {			if (levels.back().pubkey != key.GetPubKey()) {
	return false;			return false;
	}			}

	CHashWriter ss(SER_GETHASH, 0);			CHashWriter ss(SER_GETHASH, 0);
	ss << dgid;			ss << dgid;
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