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	template <typename Tx>			template <typename Tx>
	static inline CTransactionRef MakeTransactionRef(Tx &&txIn) {			static inline CTransactionRef MakeTransactionRef(Tx &&txIn) {
	return std::make_shared<const CTransaction>(std::forward<Tx>(txIn));			return std::make_shared<const CTransaction>(std::forward<Tx>(txIn));
	}			}

	/** Compute the size of a transaction */			/** Compute the size of a transaction */
	int64_t GetTransactionSize(const CTransaction &tx);			int64_t GetTransactionSize(const CTransaction &tx);

				/** Precompute sighash midstate to avoid quadratic hashing */
				struct PrecomputedTransactionData {
				uint256 hashPrevouts, hashSequence, hashOutputs;

				PrecomputedTransactionData()
				: hashPrevouts(), hashSequence(), hashOutputs() {}

				PrecomputedTransactionData(const PrecomputedTransactionData &txdata)
				: hashPrevouts(txdata.hashPrevouts), hashSequence(txdata.hashSequence),
				hashOutputs(txdata.hashOutputs) {}

				PrecomputedTransactionData(const CTransaction &tx);
				};

	#endif // BITCOIN_PRIMITIVES_TRANSACTION_H			#endif // BITCOIN_PRIMITIVES_TRANSACTION_H