Ejemplo n.º 1
0
        /// <summary>
        /// Retrieves information regarding a claim attached to an account.
        /// </summary>
        /// <param name="address">
        /// Address of the account having the claim information to retrieve.
        /// </param>
        /// <param name="hash">
        /// The hash/id of the claim information to retrieve.
        /// </param>
        /// <param name="configure">
        /// Optional callback method providing an opportunity to modify
        /// the execution configuration for just this method call.
        /// It is executed prior to submitting the request to the network.
        /// </param>
        /// <returns>
        /// The claim details, if found. Throws an exception if not.
        /// </returns>
        /// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
        /// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
        /// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
        /// <exception cref="ConsensusException">If the network was unable to come to consensus before the duration of the transaction expired.</exception>
        /// <exception cref="TransactionException">If the network rejected the create request as invalid or had missing data.</exception>
        public async Task <Claim> GetClaimAsync(Address address, ReadOnlyMemory <byte> hash, Action <IContext>?configure = null)
        {
            address = RequireInputParameter.Address(address);
            hash    = RequireInputParameter.Hash(hash);
            var context         = CreateChildContext(configure);
            var gateway         = RequireInContext.Gateway(context);
            var payer           = RequireInContext.Payer(context);
            var transfers       = Transactions.CreateCryptoTransferList((payer, -context.FeeLimit), (gateway, context.FeeLimit));
            var transactionId   = Transactions.GetOrCreateTransactionID(context);
            var transactionBody = Transactions.CreateCryptoTransferTransactionBody(context, transfers, transactionId, "Get Claim Info");
            var query           = new Query
            {
                CryptoGetClaim = new CryptoGetClaimQuery
                {
                    Header    = Transactions.SignQueryHeader(transactionBody, payer),
                    AccountID = Protobuf.ToAccountID(address),
                    Hash      = ByteString.CopyFrom(hash.ToArray())
                }
            };
            var response = await Transactions.ExecuteRequestWithRetryAsync(context, query, getRequestMethod, getResponseCode);

            ValidateResult.PreCheck(transactionId, getResponseCode(response));
            return(Protobuf.FromClaim(response.CryptoGetClaim.Claim));