public override WalletAccount CreateAccount(Contract contract, KeyPair key = null)
{
NEP6Contract nep6contract = contract as NEP6Contract;
if (nep6contract == null)
{
nep6contract = new NEP6Contract
{
Script = contract.Script,
ParameterList = contract.ParameterList,
ParameterNames = contract.ParameterList.Select((p, i) => $"parameter{i}").ToArray(),
Deployed = false
};
}
NEP6Account account;
if (key == null)
{
account = new NEP6Account(this, nep6contract.ScriptHash);
}
else
{
account = new NEP6Account(this, nep6contract.ScriptHash, key, password);
}
account.Contract = nep6contract;
AddAccount(account, false);
return(account);
}
private void AddAccount(NEP6Account account, bool is_import)
{
lock (accounts)
{
if (accounts.TryGetValue(account.ScriptHash, out NEP6Account account_old))
{
account.Label = account_old.Label;
account.IsDefault = account_old.IsDefault;
account.Lock = account_old.Lock;
if (account.Contract == null)
{
account.Contract = account_old.Contract;
}
else
{
NEP6Contract contract_old = (NEP6Contract)account_old.Contract;
if (contract_old != null)
{
NEP6Contract contract = (NEP6Contract)account.Contract;
contract.ParameterNames = contract_old.ParameterNames;
contract.Deployed = contract_old.Deployed;
}
}
account.Extra = account_old.Extra;
}
accounts[account.ScriptHash] = account;
}
}
public override bool VerifyPassword(string password)
{
lock (accounts)
{
NEP6Account account = accounts.Values.FirstOrDefault(p => !p.Decrypted);
if (account == null)
{
account = accounts.Values.FirstOrDefault(p => p.HasKey);
}
if (account == null)
{
return(true);
}
if (account.Decrypted)
{
return(account.VerifyPassword(password));
}
else
{
try
{
account.GetKey(password);
return(true);
}
catch (FormatException)
{
return(false);
}
}
}
}
public override WalletAccount CreateAccount(UInt160 scriptHash)
{
NEP6Account account = new NEP6Account(this, scriptHash);
AddAccount(account, true);
return(account);
}
private void AddAccount(NEP6Account account, bool is_import)
{
lock (accounts)
{
if (accounts.TryGetValue(account.ScriptHash, out NEP6Account account_old))
{
account.Label = account_old.Label;
account.IsDefault = account_old.IsDefault;
account.Lock = account_old.Lock;
if (account.Contract == null)
{
account.Contract = account_old.Contract;
}
else
{
NEP6Contract contract_old = (NEP6Contract)account_old.Contract;
if (contract_old != null)
{
NEP6Contract contract = (NEP6Contract)account.Contract;
contract.ParameterNames = contract_old.ParameterNames;
contract.Deployed = contract_old.Deployed;
}
}
account.Extra = account_old.Extra;
}
else
{
indexer.RegisterAccounts(new[] { account.ScriptHash }, is_import ? 0 : Blockchain.Singleton.Height);
}
accounts[account.ScriptHash] = account;
}
}
public NEP6Wallet(WalletIndexer indexer, string path, string name = null)
{
this.indexer = indexer;
this.path = path;
if (File.Exists(path))
{
JObject wallet;
using (StreamReader reader = new StreamReader(path))
{
wallet = JObject.Parse(reader);
}
this.name = wallet["name"]?.AsString();
this.version = Version.Parse(wallet["version"].AsString());
this.Scrypt = ScryptParameters.FromJson(wallet["scrypt"]);
this.accounts = ((JArray)wallet["accounts"]).Select(p => NEP6Account.FromJson(p, this)).ToDictionary(p => p.ScriptHash);
this.extra = wallet["extra"];
indexer.RegisterAccounts(accounts.Keys);
}
else
{
this.name = name;
this.version = Version.Parse("1.0");
this.Scrypt = ScryptParameters.Default;
this.accounts = new Dictionary <UInt160, NEP6Account>();
this.extra = JObject.Null;
}
indexer.WalletTransaction += WalletIndexer_WalletTransaction;
}
private void LoadFromJson(JObject wallet, out ScryptParameters scrypt, out Dictionary <UInt160, NEP6Account> accounts, out JObject extra)
{
this.name = wallet["name"]?.AsString();
this.version = Version.Parse(wallet["version"].AsString());
scrypt = ScryptParameters.FromJson(wallet["scrypt"]);
accounts = ((JArray)wallet["accounts"]).Select(p => NEP6Account.FromJson(p, this)).ToDictionary(p => p.ScriptHash);
extra = wallet["extra"];
}
private void LoadFromJson(JObject wallet, out ScryptParameters scrypt, out Dictionary <UInt160, NEP6Account> accounts, out JObject extra)
{
this.version = Version.Parse(wallet["version"].AsString());
this.name = wallet["name"]?.AsString();
scrypt = ScryptParameters.FromJson(wallet["scrypt"]);
accounts = ((JArray)wallet["accounts"]).Select(p => NEP6Account.FromJson(p, this)).ToDictionary(p => p.ScriptHash);
extra = wallet["extra"];
if (!VerifyPasswordInternal(password))
{
throw new InvalidOperationException("Wrong password.");
}
}
public override bool VerifyPassword(string password)
{
lock (accounts)
{
NEP6Account account = accounts.Values.FirstOrDefault(p => !p.Decrypted);
if (account == null)
{
account = accounts.Values.FirstOrDefault(p => p.HasKey);
}
if (account == null)
{
return(true);
}
return(account.VerifyPassword(password));
}
}
public override WalletAccount CreateAccount(byte[] privateKey)
{
KeyPair key = new KeyPair(privateKey);
NEP6Contract contract = new NEP6Contract
{
Script = Contract.CreateSignatureRedeemScript(key.PublicKey),
ParameterList = new[] { ContractParameterType.Signature },
ParameterNames = new[] { "signature" },
Deployed = false
};
NEP6Account account = new NEP6Account(this, contract.ScriptHash, key, password)
{
Contract = contract
};
AddAccount(account, false);
return(account);
}
public override WalletAccount Import(string wif)
{
KeyPair key = new KeyPair(GetPrivateKeyFromWIF(wif));
NEP6Contract contract = new NEP6Contract
{
Script = Contract.CreateSignatureRedeemScript(key.PublicKey),
ParameterList = new[] { ContractParameterType.Signature },
ParameterNames = new[] { "signature" },
Deployed = false
};
NEP6Account account = new NEP6Account(this, contract.ScriptHash, key, password)
{
Contract = contract
};
AddAccount(account, true);
return(account);
}
public WalletAccount GetDefaultAccount()
{
NEP6Account first = null;
lock (accounts)
{
foreach (NEP6Account account in accounts.Values)
{
if (account.IsDefault)
{
return(account);
}
if (first == null)
{
first = account;
}
}
}
return(first);
}
public override WalletAccount Import(X509Certificate2 cert)
{
KeyPair key;
using (ECDsa ecdsa = cert.GetECDsaPrivateKey())
{
key = new KeyPair(ecdsa.ExportParameters(true).D);
}
NEP6Contract contract = new NEP6Contract
{
Script = Contract.CreateSignatureRedeemScript(key.PublicKey),
ParameterList = new[] { ContractParameterType.Signature },
ParameterNames = new[] { "signature" },
Deployed = false
};
NEP6Account account = new NEP6Account(this, contract.ScriptHash, key, password)
{
Contract = contract
};
AddAccount(account, true);
return(account);
}
public override WalletAccount Import(string nep2, string passphrase, int N = 16384, int r = 8, int p = 8)
{
KeyPair key = new KeyPair(GetPrivateKeyFromNEP2(nep2, passphrase, N, r, p));
NEP6Contract contract = new NEP6Contract
{
Script = Contract.CreateSignatureRedeemScript(key.PublicKey),
ParameterList = new[] { ContractParameterType.Signature },
ParameterNames = new[] { "signature" },
Deployed = false
};
NEP6Account account;
if (Scrypt.N == 16384 && Scrypt.R == 8 && Scrypt.P == 8)
{
account = new NEP6Account(this, contract.ScriptHash, nep2);
}
else
{
account = new NEP6Account(this, contract.ScriptHash, key, passphrase);
}
account.Contract = contract;
AddAccount(account, true);
return(account);
}
