Differential D9251 Diff 27770 src/avalanche/processor.cpp

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src/avalanche/processor.cpp

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	namespace {			namespace {
	/**			/**
	* When using TCP, we need to sign all messages as the transport layer is			* When using TCP, we need to sign all messages as the transport layer is
	* not secure.			* not secure.
	*/			*/
	class TCPResponse {			class TCPResponse {
	Response response;			Response response;
	std::array<uint8_t, 64> sig;			SchnorrSig sig;

	public:			public:
	TCPResponse(Response responseIn, const CKey &key)			TCPResponse(Response responseIn, const CKey &key)
	: response(std::move(responseIn)) {			: response(std::move(responseIn)) {
	CHashWriter hasher(SER_GETHASH, 0);			CHashWriter hasher(SER_GETHASH, 0);
	hasher << response;			hasher << response;
	const uint256 hash = hasher.GetHash();			const uint256 hash = hasher.GetHash();

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	bool Processor::sendHello(CNode *pfrom) const {			bool Processor::sendHello(CNode *pfrom) const {
	if (!peerData) {			if (!peerData) {
	// We do not have a delegation to advertise.			// We do not have a delegation to advertise.
	return false;			return false;
	}			}

	// Now let's sign!			// Now let's sign!
	std::array<uint8_t, 64> sig;			SchnorrSig sig;

	{			{
	CHashWriter hasher(SER_GETHASH, 0);			CHashWriter hasher(SER_GETHASH, 0);
	hasher << peerData->delegation.getId();			hasher << peerData->delegation.getId();
	hasher << pfrom->GetLocalNonce();			hasher << pfrom->GetLocalNonce();
	hasher << pfrom->nRemoteHostNonce;			hasher << pfrom->nRemoteHostNonce;
	hasher << pfrom->GetLocalExtraEntropy();			hasher << pfrom->GetLocalExtraEntropy();
	hasher << pfrom->nRemoteExtraEntropy;			hasher << pfrom->nRemoteExtraEntropy;
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