private async void btnKMSSetItem_Click(object sender, EventArgs e)
{
if (ValidateKMSSet() == false)
{
return;
}
if (contractHandler == null &&
!string.IsNullOrEmpty(txtKMSContractAddress.Text.Trim()))
{
Web3 web3 = GetWeb3();
contractHandler = web3.Eth.GetContractHandler(txtKMSContractAddress.Text.Trim());
}
if (contractHandler == null)
{
MessageBox.Show("Problem in getting an instance of the Contract Handler. " +
"Please try specifying a valid Contract Address", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
StartProgressBar();
btnKMSSetItem.Enabled = false;
var encryptedText = RSAEncryptionHelper.Encrypt(txtValue.Text.Trim(), filteredCert);
var account = new Nethereum.Web3.Accounts.Account(privateKey);
var setItemRequest = new SetItemFunction
{
Key = txtKeyName.Text.Trim(),
Value = encryptedText,
FromAddress = account.Address
};
// Set the Gas value
var estimate = await contractHandler
.EstimateGasAsync(setItemRequest);
setItemRequest.Gas = estimate.Value;
var setItemFunctionTxnReceipt = await contractHandler
.SendRequestAndWaitForReceiptAsync(setItemRequest);
if (setItemFunctionTxnReceipt != null &&
setItemFunctionTxnReceipt.BlockNumber.Value > 0)
{
string[] keyCollection = new string[3];
ListViewItem listItem;
keyCollection[0] = txtKeyName.Text.Trim();
keyCollection[1] = encryptedText;
keyCollection[2] = "";
listItem = new ListViewItem(keyCollection);
listView1.Items.Add(listItem);
}
btnKMSSetItem.Enabled = true;
StopProgressBar();
}