void NewCertificate(object o)
{
var errors = ValidateInputs();
if (!errors.ToString().IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Errors generating Certificate - " +
Environment.NewLine +
errors.ToString()));
IsMessageBoxVisible = true;
return;
}
var keygen = KeyPairUtils.CreateGenerator(Repository.Srand, Model.KeyPairGenerator, Model.KeyStrength);
var keypair = keygen.GenerateKeyPair();
//load the ca pfx file
var caStore = X509Utils.LoadCAPfx(Repository.Instance.KeyStorePassword);
var caCert = caStore.GetCertificate("ca").Certificate;
var caKey = caStore.GetKey("ca").Key;
var cert = X509Utils.GenerateUserCertificate(Model.X509Name,
caCert.SubjectDN,
Model.Validity,
keypair.Public,
caKey,
Model.SignatureAlgorithm,
KeyUsageUtils.GetKeyUsage(Model.KeyUsages),
Model.ExtendedKeyUsages == null
? null
: new ExtendedKeyUsage(
KeyUsageUtils.GetExtendedKeyUsages(
Model.ExtendedKeyUsages)));
_newCertCompletedAction.Invoke(Model.CommonName, cert, keypair);
}
void NewKeyStore(object o)
{
var passwordBoxes = (object[])o;
var errors = ValidateInputs(passwordBoxes);
if (!errors.ToString().IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Errors generating Certificate - " +
Environment.NewLine +
errors.ToString()));
IsMessageBoxVisible = true;
return;
}
var password = ((PasswordBox)passwordBoxes[0]).Password.ToCharArray();
var keygen = KeyPairUtils.CreateGenerator(Repository.Srand, Model.KeyPairGenerator, Model.KeyStrength);
var keypair = keygen.GenerateKeyPair();
var repo = Repository.Instance;
repo.NewCertificateAuthority(Model.CARepositoryPath, password);
repo.KeyPairType = Model.KeyPairType;
var cert = X509Utils.GenerateCACertificate(Model.X509Name,
Model.Validity,
keypair.Public,
keypair.Private,
Model.SignatureAlgorithm,
KeyUsageUtils.GetKeyUsage(Model.KeyUsages),
Model.ExtendedKeyUsages == null ? null : new ExtendedKeyUsage(KeyUsageUtils.GetExtendedKeyUsages(Model.ExtendedKeyUsages)),
Model.PathLenContraint);
X509Utils.ExportPKCS12(Repository.Instance.CAKeyStore, /*Model.CommonName*/ "ca", keypair.Private, password, cert);
File.WriteAllText(Repository.CaPfxFilename, PemUtilities.Encode(cert));
_newCaCompletedAction.Invoke(new KeyStoreViewModel(password, Model.CARepositoryPath));
//KeyStoreViewModelEx.Instance.Load(password);
}
public async Task testTokensBuildAndCombineTransferPartingTransaction()
{
var publicKeyObj = BlockchainAccount.publicKeyFromHex(publicKey);
var privateKeyObj = BlockchainAccount.privateKeyFromHex(privateKey);
// initial tokens amount
int tokens = 10000;
TestToken assetData = new TestToken();
assetData.token = "My Token on " + DateTime.Now.Ticks.ToString();
assetData.number_tokens = tokens;
TestMetadata metaData = new TestMetadata();
metaData.msg = "My first transaction";
// Set up, sign, and send your transaction
var transaction = BigchainDbTransactionBuilder <TestToken, TestMetadata>
.init()
.addAssets(assetData)
.addMetaData(metaData)
.addOutput(tokens.ToString(), publicKeyObj)
.operation(Operations.CREATE)
.buildAndSignOnly(publicKeyObj, privateKeyObj);
//.buildAndSign(account.PublicKey, account.PrivateKey);
//var info = transaction.toHashInput();
var createTransaction = await TransactionsApi <TestToken, TestMetadata> .sendTransactionAsync(transaction);
Thread.Sleep(5000);
createTransaction.Data.ShouldNotBe(null);
// the asset's ID is equal to the ID of the transaction that created it
if (createTransaction.Data != null)
{
string testId2 = createTransaction.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(testId2);
testTran2.ShouldNotBe(null);
}
// Describe the output you are fulfilling on the previous transaction
FulFill spendFrom = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFrom.TransactionId = createTransaction.Data.Id;
spendFrom.OutputIndex = 0;
// we want to transfer 200 tokens to my cat
int amount = 200;
BlockchainAccount catAccount = new BlockchainAccount();
Details details = null;
TestToken transferData = new TestToken();
assetData.token = "To my cat";
assetData.number_tokens = amount;
int amountLeft = tokens - amount;
// Use the previous transaction's asset and TRANSFER it
var build2 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData).
addInput(details, spendFrom, publicKeyObj).
addOutput(amountLeft.ToString(), publicKeyObj).
addOutput(amount.ToString(), catAccount.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(publicKeyObj, privateKeyObj);
var transferTransaction = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build2);
Thread.Sleep(5000);
transferTransaction.Data.ShouldNotBe(null);
if (transferTransaction != null)
{
string tran2 = transferTransaction.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran2);
testTran2.ShouldNotBe(null);
}
var useThisKey = transferTransaction.Data.Outputs[0].PublicKeys[0];
var compKey = KeyPairUtils.encodePublicKeyInBase58(publicKeyObj);
// get unspent outputs
var list = await OutputsApi.getUnspentOutputsAsync(useThisKey);
//list.Count.ShouldBe(1);
// Describe the output you are fulfilling on spent outputs
FulFill spendFrom2 = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFrom2.TransactionId = transferTransaction.Data.Id; // list[0].TransactionId;
spendFrom2.OutputIndex = 0;
// now we want to send 100 tokens to my dog
BlockchainAccount dogAccount = new BlockchainAccount();
Details details2 = null;
TestToken transferData2 = new TestToken();
transferData2.token = "To my dog";
transferData2.number_tokens = amount;
amountLeft = amountLeft - amount;
// Use the previous transaction's asset and TRANSFER it
var build3 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData2).
addInput(details2, spendFrom2, publicKeyObj).
addOutput(amountLeft.ToString(), publicKeyObj).
addOutput(amount.ToString(), dogAccount.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(publicKeyObj, privateKeyObj);
var transferTransaction3 = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build3);
Thread.Sleep(5000);
transferTransaction3.Data.ShouldNotBe(null);
if (transferTransaction3 != null)
{
string tran2 = transferTransaction3.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran2);
testTran2.ShouldNotBe(null);
}
// now dog wants to share with puppy 100 tokens
BlockchainAccount puppyAccount = new BlockchainAccount();
Details details3 = null;
TestToken transferData3 = new TestToken();
transferData3.token = "To my puppy";
int topuppy = 100;
transferData3.number_tokens = topuppy;
FulFill spendFrom3 = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFrom3.TransactionId = transferTransaction3.Data.Id; // list[0].TransactionId;
spendFrom3.OutputIndex = 1;
var dogAmountLeft = amount - topuppy;
// Use the previous transaction's asset and TRANSFER it
var build4 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData3).
addInput(details3, spendFrom3, dogAccount.PublicKey).
addOutput(dogAmountLeft.ToString(), dogAccount.PublicKey).
addOutput(topuppy.ToString(), puppyAccount.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(dogAccount.PublicKey, dogAccount.Key);
var transferTransaction4 = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build4);
Thread.Sleep(5000);
if (transferTransaction4.Messsage != null)
{
var msg = transferTransaction4.Messsage.Message;
}
transferTransaction4.Data.ShouldNotBe(null);
if (transferTransaction4 != null)
{
string tran2 = transferTransaction4.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran2);
testTran2.ShouldNotBe(null);
}
// now we feel bad for puppy and want to give puppy another 100
// Describe the output you are fulfilling on the previous transaction
FulFill spendFrom5 = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
// last transfer transaction id to dog
spendFrom5.TransactionId = transferTransaction3.Data.Id;
spendFrom5.OutputIndex = 0;
// we want to transfer 100 tokens.
int amount5 = 100;
Details details5 = null;
TestToken transferData5 = new TestToken();
transferData5.token = "To my puppy extra 100";
transferData5.number_tokens = amount5;
amountLeft = amountLeft - amount5;
// Use the previous transaction's asset and TRANSFER it
var build5 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData5).
addInput(details5, spendFrom5, publicKeyObj).
addOutput(amountLeft.ToString(), publicKeyObj).
addOutput(amount5.ToString(), puppyAccount.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(publicKeyObj, privateKeyObj);
var transferTransaction5 = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build5);
Thread.Sleep(5000);
transferTransaction5.Data.ShouldNotBe(null);
if (transferTransaction5 != null)
{
string tran5 = transferTransaction5.Data.Id;
var testTran5 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran5);
testTran5.ShouldNotBe(null);
}
// at this point, puppy has 2 transactions, with 100 tokens each. we want to combine those into
Details details6 = null;
TestToken transferData6 = new TestToken();
transferData5.token = "Puppy combined account";
transferData5.number_tokens = amount5 + topuppy;
// we need to spend 2 previous transactions and create new one
FulFill spendFromA = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFromA.TransactionId = transferTransaction4.Data.Id; // list[0].TransactionId;
spendFromA.OutputIndex = 1;
FulFill spendFromB = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFromB.TransactionId = transferTransaction5.Data.Id; // list[0].TransactionId;
spendFromB.OutputIndex = 1;
var combinedAmount = amount5 + topuppy;
var build6 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData5).
addInput(details6, spendFromA, puppyAccount.PublicKey).
addInput(details6, spendFromB, puppyAccount.PublicKey).
addOutput(combinedAmount.ToString(), puppyAccount.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(puppyAccount.PublicKey, puppyAccount.Key);
var transferTransaction6 = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build6);
Thread.Sleep(5000);
transferTransaction6.Data.ShouldNotBe(null);
transferTransaction6.Data.Outputs[0].Amount.ShouldBe("200");
if (transferTransaction6 != null)
{
string tran6 = transferTransaction6.Data.Id;
var testTran6 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran6);
testTran6.ShouldNotBe(null);
}
}
public async Task testTokensBuildAndTransferPartingTransaction()
{
var publicKeyObj = BlockchainAccount.publicKeyFromHex(publicKey);
var privateKeyObj = BlockchainAccount.privateKeyFromHex(privateKey);
int tokens = 10000;
TestToken assetData = new TestToken();
assetData.token = "My Token on" + DateTime.Now.Ticks.ToString();
assetData.number_tokens = tokens;
TestMetadata metaData = new TestMetadata();
metaData.msg = "My first transaction";
// Set up, sign, and send your transaction
var transaction = BigchainDbTransactionBuilder <TestToken, TestMetadata>
.init()
.addAssets(assetData)
.addMetaData(metaData)
.addOutput(tokens.ToString(), publicKeyObj)
.operation(Operations.CREATE)
.buildAndSignOnly(publicKeyObj, privateKeyObj);
//.buildAndSign(account.PublicKey, account.PrivateKey);
//var info = transaction.toHashInput();
var createTransaction = await TransactionsApi <TestToken, TestMetadata> .sendTransactionAsync(transaction);
createTransaction.Data.ShouldNotBe(null);
// the asset's ID is equal to the ID of the transaction that created it
if (createTransaction.Data != null)
{
string testId2 = createTransaction.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(testId2);
testTran2.ShouldNotBe(null);
}
// Describe the output you are fulfilling on the previous transaction
FulFill spendFrom = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFrom.TransactionId = createTransaction.Data.Id;
spendFrom.OutputIndex = 0;
// we want to transfer 200 tokens.
int amount = 200;
//int amountFake = 20000;
BlockchainAccount account = new BlockchainAccount();
Details details = null;
TestToken transferData = new TestToken();
assetData.token = "To my cat";
assetData.number_tokens = amount;
int amountLeft = tokens - amount;
// Use the previous transaction's asset and TRANSFER it
var build2 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData).
addInput(details, spendFrom, publicKeyObj).
addOutput(amountLeft.ToString(), publicKeyObj).
addOutput(amount.ToString(), account.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(publicKeyObj, privateKeyObj);
var transferTransaction = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build2);
transferTransaction.Data.ShouldNotBe(null);
if (transferTransaction != null)
{
string tran2 = transferTransaction.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran2);
testTran2.ShouldNotBe(null);
}
var useThisKey = transferTransaction.Data.Outputs[0].PublicKeys[0];
var compKey = KeyPairUtils.encodePublicKeyInBase58(publicKeyObj);
// get unspent outputs
var list = await OutputsApi.getUnspentOutputsAsync(useThisKey);
//list.Count.ShouldBe(1);
// Describe the output you are fulfilling on spent outputs
FulFill spendFrom2 = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFrom2.TransactionId = transferTransaction.Data.Id; // list[0].TransactionId;
spendFrom2.OutputIndex = 0;
BlockchainAccount dogAccount = new BlockchainAccount();
Details details2 = null;
TestToken transferData2 = new TestToken();
transferData2.token = "To my dog";
transferData2.number_tokens = amount;
amountLeft = amountLeft - amount;
// Use the previous transaction's asset and TRANSFER it
var build3 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData2).
addInput(details2, spendFrom2, publicKeyObj).
addOutput(amountLeft.ToString(), publicKeyObj).
addOutput(amount.ToString(), dogAccount.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(publicKeyObj, privateKeyObj);
var transferTransaction3 = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build3);
transferTransaction3.Data.ShouldNotBe(null);
if (transferTransaction3 != null)
{
string tran2 = transferTransaction3.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran2);
testTran2.ShouldNotBe(null);
}
//// Describe the output you are fulfilling on spent outputs
//FulFill spendFrom2a = new FulFill();
//// the asset's ID is equal to the ID of the transaction that created it
//spendFrom2a.TransactionId = transferTransaction3.Data.Id; // list[0].TransactionId;
//spendFrom2a.OutputIndex = 0;
//Details details2a = null;
//TestToken transferData2a = new TestToken();
//transferData2a.token = "To my dog named Bingo";
//transferData2a.number_tokens = amount;
//// Use the previous transaction's asset and TRANSFER it
//var build3a = BigchainDbTransactionBuilder<Asset<string>, TestToken>.
// init().
// addMetaData(transferData2a).
// addInput(details2a, spendFrom2a, dogAccount.PublicKey).
// addOutput(amountLeft.ToString(), publicKeyObj).
// addOutput(amount.ToString(), dogAccount.PublicKey).
// addAssets(createTransaction.Data.Id).
// operation(Operations.TRANSFER).
// buildAndSignOnly(dogAccount.PublicKey, dogAccount.Key);
//var transferTransaction3a = await TransactionsApi<Asset<string>, TestToken>.sendTransactionAsync(build3a);
//transferTransaction3.Data.ShouldNotBe(null);
//if (transferTransaction3 != null)
//{
// string tran2 = transferTransaction3.Data.Id;
// var testTran2 = await TransactionsApi<object, object>.getTransactionByIdAsync(tran2);
// testTran2.ShouldNotBe(null);
//}
// now dog wants to share with puppy
BlockchainAccount puppyAccount = new BlockchainAccount();
Details details3 = null;
TestToken transferData3 = new TestToken();
transferData3.token = "To my puppy";
int topuppy = 100;
transferData3.number_tokens = topuppy;
FulFill spendFrom3 = new FulFill();
// the asset's ID is equal to the ID of the transaction that created it
spendFrom3.TransactionId = transferTransaction3.Data.Id; // list[0].TransactionId;
spendFrom3.OutputIndex = 1;
amountLeft = amount - topuppy;
// Use the previous transaction's asset and TRANSFER it
var build4 = BigchainDbTransactionBuilder <Asset <string>, TestToken> .
init().
addMetaData(transferData3).
addInput(details3, spendFrom3, dogAccount.PublicKey).
addOutput(amountLeft.ToString(), dogAccount.PublicKey).
addOutput(topuppy.ToString(), puppyAccount.PublicKey).
addAssets(createTransaction.Data.Id).
operation(Operations.TRANSFER).
buildAndSignOnly(dogAccount.PublicKey, dogAccount.Key);
var transferTransaction4 = await TransactionsApi <Asset <string>, TestToken> .sendTransactionAsync(build4);
if (transferTransaction4.Messsage != null)
{
var msg = transferTransaction4.Messsage.Message;
}
transferTransaction4.Data.ShouldNotBe(null);
if (transferTransaction4 != null)
{
string tran2 = transferTransaction4.Data.Id;
var testTran2 = await TransactionsApi <object, object> .getTransactionByIdAsync(tran2);
testTran2.ShouldNotBe(null);
}
}
