public void TestCreateAccountBySmartContract()
{
byte[] privateKey = new byte[32];
using (RandomNumberGenerator rng = RandomNumberGenerator.Create())
{
rng.GetBytes(privateKey);
}
KeyPair key = new KeyPair(privateKey);
VerificationContract contract = new VerificationContract
{
Script = Contract.CreateSignatureRedeemScript(key.PublicKey),
ParameterList = new[] { ContractParameterType.Signature }
};
var account = wallet.CreateAccount(contract, key);
var dbAccount = wallet.GetAccount(account.ScriptHash);
account.Should().Be(dbAccount);
byte[] privateKey2 = new byte[32];
using (RandomNumberGenerator rng = RandomNumberGenerator.Create())
{
rng.GetBytes(privateKey2);
}
KeyPair key2 = new KeyPair(privateKey2);
Contract contract2 = new Contract
{
Script = Contract.CreateSignatureRedeemScript(key2.PublicKey),
ParameterList = new[] { ContractParameterType.Signature }
};
var account2 = wallet.CreateAccount(contract2, key2);
var dbAccount2 = wallet.GetAccount(account2.ScriptHash);
account2.Should().Be(dbAccount2);
}
public static void ClassInit(TestContext context)
{
byte[] privateKey = new byte[32];
using (RandomNumberGenerator rng = RandomNumberGenerator.Create())
{
rng.GetBytes(privateKey);
}
keyPair = new KeyPair(privateKey);
testScriptHash = Contract.CreateSignatureContract(keyPair.PublicKey).ScriptHash;
nep2key = keyPair.Export("123", ProtocolSettings.Default.AddressVersion, 2, 1, 1);
}
public void TestGetAccount()
{
bool result = uut.Contains(testScriptHash);
Assert.AreEqual(false, result);
uut.CreateAccount(keyPair.PrivateKey);
result = uut.Contains(testScriptHash);
Assert.AreEqual(true, result);
WalletAccount account = uut.GetAccount(testScriptHash);
Assert.AreEqual(Contract.CreateSignatureRedeemScript(keyPair.PublicKey).ToScriptHash().ToAddress(ProtocolSettings.Default.AddressVersion), account.Address);
}
public void TestGetAccounts()
{
Dictionary <UInt160, KeyPair> keys = new();
byte[] privateKey = new byte[32];
using (RandomNumberGenerator rng = RandomNumberGenerator.Create())
{
rng.GetBytes(privateKey);
}
KeyPair key = new(privateKey);
keys.Add(Contract.CreateSignatureRedeemScript(key.PublicKey).ToScriptHash(), key);
keys.Add(Contract.CreateSignatureRedeemScript(keyPair.PublicKey).ToScriptHash(), keyPair);
uut.CreateAccount(key.PrivateKey);
uut.CreateAccount(keyPair.PrivateKey);
foreach (var account in uut.GetAccounts())
{
if (!keys.ContainsKey(account.ScriptHash))
{
Assert.Fail();
}
}
}
public bool AddSignature(Contract contract, ECPoint pubkey, byte[] signature)
{
if (contract.Script.IsMultiSigContract())
{
if (!ScriptHash.Equals(contract.ScriptHash))
{
return(false);
}
if (Parameters is null)
{
Script = contract.Script;
Parameters = contract.ParameterList.Select(p => new ContractParameter {
Type = p
}).ToArray();
}
if (Parameters.All(p => p.Value != null))
{
return(false);
}
if (Signatures == null)
{
Signatures = new Dictionary <ECPoint, byte[]>();
}
else if (Signatures.ContainsKey(pubkey))
{
return(false);
}
List <ECPoint> points = new List <ECPoint>();
{
int i = 0;
switch (contract.Script[i++])
{
case 1:
++i;
break;
case 2:
i += 2;
break;
}
while (contract.Script[i++] == 33)
{
points.Add(ECPoint.DecodePoint(contract.Script.Skip(i).Take(33).ToArray(), ECCurve.Secp256r1));
i += 33;
}
}
if (!points.Contains(pubkey))
{
return(false);
}
Signatures.Add(pubkey, signature);
if (Signatures.Count == contract.ParameterList.Length)
{
Dictionary <ECPoint, int> dic = points.Select((p, i) => new
{
PublicKey = p,
Index = i
}).ToDictionary(p => p.PublicKey, p => p.Index);
byte[][] sigs = Signatures.Select(p => new
{
Signature = p.Value,
Index = dic[p.Key]
}).OrderByDescending(p => p.Index).Select(p => p.Signature).ToArray();
for (int i = 0; i < sigs.Length; i++)
{
if (!Add(contract, i, sigs[i]))
{
throw new InvalidOperationException();
}
}
Signatures = null;
}
return(true);
}
else
{
int index = -1;
for (int i = 0; i < contract.ParameterList.Length; i++)
{
if (contract.ParameterList[i] == ContractParameterType.Signature)
{
if (index >= 0)
{
throw new NotSupportedException();
}
else
{
index = i;
}
}
}
if (index == -1)
{
// unable to find ContractParameterType.Signature in contract.ParameterList
// return now to prevent array index out of bounds exception
return(false);
}
return(Add(contract, index, signature));
}
}
