/// <summary>
/// Builds and configures Centaurus vault
/// </summary>
/// <returns>Transaction cursor</returns>
private async Task <long> BuildAndConfigureVault(stellar_dotnet_sdk.responses.AccountResponse vaultAccount)
{
var majority = MajorityHelper.GetMajorityCount(constellationInitInfo.Auditors.Count());
var sourceAccount = await StellarAccountHelper.GetStellarAccount(vaultAccount.KeyPair);
var transactionBuilder = new TransactionBuilder(sourceAccount);
transactionBuilder.SetFee(10_000);
var existingTrustlines = vaultAccount.Balances
.Where(b => b.Asset is stellar_dotnet_sdk.AssetTypeCreditAlphaNum)
.Select(b => b.Asset)
.Cast <stellar_dotnet_sdk.AssetTypeCreditAlphaNum>();
foreach (var a in constellationInitInfo.Assets)
{
var asset = a.ToAsset() as stellar_dotnet_sdk.AssetTypeCreditAlphaNum;
if (asset == null) //if null than asset is stellar_dotnet_sdk.AssetTypeNative
{
throw new InvalidOperationException("Native assets are supported by default."); //better to throw exception to avoid confusions with id
}
if (existingTrustlines.Any(t => t.Code == asset.Code && t.Issuer == asset.Issuer))
{
continue;
}
var trustOperation = new ChangeTrustOperation.Builder(asset, "922337203685.4775807");
transactionBuilder.AddOperation(trustOperation.Build());
}
var optionOperationBuilder = new SetOptionsOperation.Builder()
.SetMasterKeyWeight(0)
.SetLowThreshold(majority)
.SetMediumThreshold(majority)
.SetHighThreshold(majority);
transactionBuilder.AddOperation(optionOperationBuilder.Build());
foreach (var signer in constellationInitInfo.Auditors)
{
transactionBuilder.AddOperation(new SetOptionsOperation.Builder().SetSigner(Signer.Ed25519PublicKey(signer), 1).Build());
}
var transaction = transactionBuilder.Build();
transaction.Sign(Global.Settings.KeyPair);
var result = await Global.StellarNetwork.Server.SubmitTransaction(transaction);
if (!result.IsSuccess())
{
throw new Exception($"Transaction failed. Result Xdr: {result.ResultXdr}");
}
var tx = await Global.StellarNetwork.Server.Transactions.Transaction(result.Hash);
return(long.Parse(tx.PagingToken));
}
private async void CreateBalances()
{
//Change this, this should be used with the server the wallet is using and with the account you selected,
//not a hard coded one.
Server server = new Server("https://horizon-testnet.stellar.org/");
KeyPair accountKeyPair = KeyPair.FromAccountId("GDLIITOORUA7DN3DDFEGNCGNFVRFKJKFOXJOE2FO4FYMFQF5LRT5YL7U");
stellar_dotnet_sdk.responses.AccountResponse accountResponse = await server.Accounts.Account(accountKeyPair);
for (int i = 0; i < accountResponse.Balances.Length; i++)
{
stellar_dotnet_sdk.responses.Balance balance = accountResponse.Balances[i];
AssetCard assetCard = new AssetCard();
//Set AssetCard Balance
Balance assetCardBalance = new Balance();
assetCard.Balance = assetCardBalance;
assetCardBalance.Amount = balance.BalanceString;
//Check if it's native or not
if (balance.AssetType == "native")
{
assetCardBalance.AssetCode = "XLM";
assetCardBalance.IssuerAddress = "Native Lumens";
}
else
{
assetCardBalance.AssetCode = balance.AssetCode;
assetCardBalance.IssuerAddress = balance.AssetIssuer.AccountId;
}
//Set AssetCard Other
assetCard.BgColor = "#275AF0";
//Add it to the list
_assetsCards.Add(assetCard);
}
}
