使用.net进行Algorand开发系列教程之ASA转账

        // 激活(Opt-In)某种ASA
    // 如果你需要给其他用户转ASA，那么对方必须先激活
    // 然后才能接收ASA       
    // First we update standard Transaction parameters
    // To account for changes in the state of the blockchain
    transParams = algodApiInstance.TransactionParams();
    tx = Utils.GetActivateAssetTransaction(acct3.Address, assetID, transParams, "opt in transaction");

    // The transaction must be signed by the current manager account
    // We are reusing the signedTx variable from the first transaction in the example    
    signedTx = acct3.SignTransaction(tx);
    // send the transaction to the network and
    // wait for the transaction to be confirmed
    Algorand.Algod.Client.Model.Account act = null;
    try
    {
        TransactionID id = Utils.SubmitTransaction(algodApiInstance, signedTx);
        Console.WriteLine("Transaction ID: " + id.TxId);
        Console.WriteLine(Utils.WaitTransactionToComplete(algodApiInstance, id.TxId));
        // We can now list the account information for acct3 
        // and see that it can accept the new asseet
        act = algodApiInstance.AccountInformation(acct3.Address.ToString());
        Console.WriteLine(act);
    }
    catch (Exception e)
    {
        //e.printStackTrace();
        Console.WriteLine(e.Message);
        return;
    }

    // ASA转账
    // 激活后account3就可以接收ASA了
    // 现在我们从acctout1向account3转账
    // First we update standard Transaction parameters
    // To account for changes in the state of the blockchain
    transParams = algodApiInstance.TransactionParams();
    // Next we set asset xfer specific parameters
    // We set the assetCloseTo to null so we do not close the asset out
    ulong assetAmount = 10;
    tx = Utils.GetTransferAssetTransaction(acct1.Address, acct3.Address, assetID, assetAmount, transParams, null, "transfer message");
    // The transaction must be signed by the sender account
    // We are reusing the signedTx variable from the first transaction in the example    
    signedTx = acct1.SignTransaction(tx);
    // send the transaction to the network and
    // wait for the transaction to be confirmed
    try
    {
        TransactionID id = Utils.SubmitTransaction(algodApiInstance, signedTx);
        Console.WriteLine("Transaction ID: " + id.TxId);
        Console.WriteLine(Utils.WaitTransactionToComplete(algodApiInstance, id.TxId));
        // We can now list the account information for acct3 
        // and see that it now has 5 of the new asset
        act = algodApiInstance.AccountInformation(acct3.Address.ToString());
        Console.WriteLine(act.GetHolding(assetID).Amount);
    }
    catch (Exception e)
    {
        //e.printStackTrace();
        Console.WriteLine(e.Message);
        return;
    }

    // 冻结资产
    // 如果freeze address当时没有设置，则无法冻结资产
    // 此例中冻结account3中的资产
    // 冻结事件须由freeze acount来发出，本例中为account1
    // First we update standard Transaction parameters
    // To account for changes in the state of the blockchain
    transParams = algodApiInstance.TransactionParams();
    // Next we set asset xfer specific parameters
    // The sender should be freeze account acct2
    // Theaccount to freeze should be set to acct3
    tx = Utils.GetFreezeAssetTransaction(acct1.Address, acct3.Address, assetID, true, transParams, "freeze transaction");
    // The transaction must be signed by the freeze account acct2
    // We are reusing the signedTx variable from the first transaction in the example    
    signedTx = acct1.SignTransaction(tx);
    // send the transaction to the network and
    // wait for the transaction to be confirmed
    try
    {
        TransactionID id = Utils.SubmitTransaction(algodApiInstance, signedTx);
        Console.WriteLine("Transaction ID: " + id.TxId);
        Console.WriteLine(Utils.WaitTransactionToComplete(algodApiInstance, id.TxId));
        // We can now list the account information for acct3 
        // and see that it now frozen 
        // Note--currently no getter method for frozen state
        act = algodApiInstance.AccountInformation(acct3.Address.ToString());
        Console.WriteLine(act.GetHolding(assetID).ToString());
    }
    catch (Exception e)
    {
        //e.printStackTrace();
        Console.WriteLine(e.Message);
        return;
    }

// 撤回转账
    // 撤加转账必须由clawbackaddress发起。
    // 如果资产的manager将clawbackaddress设为空，则此操作不可执行
    // 本例中会将10个资产从account3撤回到account1
    // 此操作需要由clawbackaccount（account2）进行签名
    // 此操作发送者为原操作的发起者（acct1)
    // First we update standard Transaction parameters
    // To account for changes in the state of the blockchain
    transParams = algodApiInstance.TransactionParams();
    // Next we set asset xfer specific parameters
    assetAmount = 10;
    tx = Utils.GetRevokeAssetTransaction(acct2.Address, acct3.Address, acct1.Address, assetID, assetAmount, transParams, "revoke transaction");
    // The transaction must be signed by the clawback account
    // We are reusing the signedTx variable from the first transaction in the example    
    signedTx = acct2.SignTransaction(tx);
    // send the transaction to the network and
    // wait for the transaction to be confirmed
    try
    {
        TransactionID id = Utils.SubmitTransaction(algodApiInstance, signedTx);
        Console.WriteLine("Transaction ID: " + id);
        Console.WriteLine(Utils.WaitTransactionToComplete(algodApiInstance, id.TxId));
        // We can now list the account information for acct3 
        // and see that it now has 0 of the new asset
        act = algodApiInstance.AccountInformation(acct3.Address.ToString());
        Console.WriteLine(act.GetHolding(assetID).Amount);
    }
    catch (Exception e)
    {
        Console.WriteLine(e.Message);
        return;
    }