示例#1
0
		/// <summary>
		/// Verify that a transaction is fully signed, have enough fees, and follow the Standard and Miner Transaction Policy rules
		/// </summary>
		/// <param name="tx">The transaction to check</param>
		/// <param name="expectedFees">The expected fees (more or less 10%)</param>
		/// <param name="errors">Detected errors</param>
		/// <returns>True if no error</returns>
		public bool Verify(Transaction tx, Money expectedFees, out TransactionPolicyError[] errors)
		{
			if(tx == null)
				throw new ArgumentNullException("tx");
			var coins = tx.Inputs.Select(i => FindCoin(i.PrevOut)).Where(c => c != null).ToArray();
			List<TransactionPolicyError> exceptions = new List<TransactionPolicyError>();
			var policyErrors = MinerTransactionPolicy.Instance.Check(tx, coins);
			exceptions.AddRange(policyErrors);
			policyErrors = StandardTransactionPolicy.Check(tx, coins);
			exceptions.AddRange(policyErrors);
			if(expectedFees != null)
			{
				var fees = tx.GetFee(coins);
				if(fees != null)
				{
					Money margin = Money.Zero;
					if(DustPrevention)
						margin = GetDust() * 2;
					if(!fees.Almost(expectedFees, margin))
						exceptions.Add(new NotEnoughFundsPolicyError("Fees different than expected", expectedFees - fees));
				}
			}
			errors = exceptions.ToArray();
			return errors.Length == 0;
		}
示例#2
0
		/// <summary>
		/// Verify that a transaction is fully signed and have enough fees
		/// </summary>
		/// <param name="tx">The transaction to check</param>
		/// <param name="expectedFeeRate">The expected fee rate</param>
		/// <param name="errors">Detected errors</param>
		/// <returns>True if no error</returns>
		public bool Verify(Transaction tx, FeeRate expectedFeeRate, out TransactionPolicyError[] errors)
		{
			if(tx == null)
				throw new ArgumentNullException("tx");
			return Verify(tx, expectedFeeRate == null ? null : expectedFeeRate.GetFee(tx), out errors);
		}
示例#3
0
		/// <summary>
		/// Verify that a transaction is fully signed and have enough fees
		/// </summary>
		/// <param name="tx">The transaction to check</param>
		/// <param name="errors">Detected errors</param>
		/// <returns>True if no error</returns>
		public bool Verify(Transaction tx, out TransactionPolicyError[] errors)
		{
			return Verify(tx, null as Money, out errors);
		}