public static ExpressChain CreateBlockchain(int count)
{
var wallets = new List <(DevWallet wallet, Neo.Wallets.WalletAccount account)>(count);
ushort GetPortNumber(int index, ushort portNumber) => (ushort)((49000 + (index * 1000)) + portNumber);
try
{
for (var i = 1; i <= count; i++)
{
var wallet = new DevWallet($"node{i}");
var account = wallet.CreateAccount();
account.IsDefault = true;
wallets.Add((wallet, account));
}
var keys = wallets.Select(t => t.account.GetKey().PublicKey).ToArray();
var contract = Neo.SmartContract.Contract.CreateMultiSigContract((keys.Length * 2 / 3) + 1, keys);
foreach (var(wallet, account) in wallets)
{
var multiSigContractAccount = wallet.CreateAccount(contract, account.GetKey());
multiSigContractAccount.Label = "MultiSigContract";
}
// 49152 is the first port in the "Dynamic and/or Private" range as specified by IANA
// http://www.iana.org/assignments/port-numbers
var nodes = new List <ExpressConsensusNode>(count);
for (var i = 0; i < count; i++)
{
nodes.Add(new ExpressConsensusNode()
{
TcpPort = GetPortNumber(i, 333),
WebSocketPort = GetPortNumber(i, 334),
RpcPort = GetPortNumber(i, 332),
Wallet = wallets[i].wallet.ToExpressWallet()
});
}
return(new ExpressChain()
{
Magic = ExpressChain.GenerateMagicValue(),
ConsensusNodes = nodes,
});
}
finally
{
foreach (var(wallet, _) in wallets)
{
wallet.Dispose();
}
}
}
static bool TryGetNEP6Wallet(string path, string password, ProtocolSettings settings, [MaybeNullWhen(false)] out Wallet wallet, [MaybeNullWhen(false)] out UInt160 accountHash)
{
try
{
var nep6wallet = new Neo.Wallets.NEP6.NEP6Wallet(path, settings);
using var unlock = nep6wallet.Unlock(password);
var nep6account = nep6wallet.GetAccounts().SingleOrDefault(a => a.IsDefault)
?? nep6wallet.GetAccounts().SingleOrDefault()
?? throw new InvalidOperationException("Neo-express only supports NEP-6 wallets with a single default account or a single account");
if (nep6account.IsMultiSigContract())
{
throw new Exception("Neo-express doesn't supports multi-sig NEP-6 accounts");
}
var keyPair = nep6account.GetKey() ?? throw new Exception("account.GetKey() returned null");
wallet = new DevWallet(settings, string.Empty);
var account = wallet.CreateAccount(keyPair.PrivateKey);
accountHash = account.ScriptHash;
return(true);
}
catch
{
wallet = null;
accountHash = null;
return(false);
}
}
internal static ExpressChain CreateChain(int nodeCount)
{
if (nodeCount != 1 && nodeCount != 4 && nodeCount != 7)
{
throw new ArgumentException("invalid blockchain node count", nameof(nodeCount));
}
var wallets = new List <(DevWallet wallet, Neo.Wallets.WalletAccount account)>(nodeCount);
for (var i = 1; i <= nodeCount; i++)
{
var wallet = new DevWallet($"node{i}");
var account = wallet.CreateAccount();
account.IsDefault = true;
wallets.Add((wallet, account));
}
var keys = wallets.Select(t => t.account.GetKey().PublicKey).ToArray();
var contract = Neo.SmartContract.Contract.CreateMultiSigContract((keys.Length * 2 / 3) + 1, keys);
foreach (var(wallet, account) in wallets)
{
var multiSigContractAccount = wallet.CreateAccount(contract, account.GetKey());
multiSigContractAccount.Label = "MultiSigContract";
}
// 49152 is the first port in the "Dynamic and/or Private" range as specified by IANA
// http://www.iana.org/assignments/port-numbers
var nodes = new List <ExpressConsensusNode>(nodeCount);
for (var i = 0; i < nodeCount; i++)
{
nodes.Add(new ExpressConsensusNode()
{
TcpPort = GetPortNumber(i, 3),
WebSocketPort = GetPortNumber(i, 4),
RpcPort = GetPortNumber(i, 2),
Wallet = wallets[i].wallet.ToExpressWallet()
});
}
return(new ExpressChain()
{
Magic = ExpressChain.GenerateMagicValue(),
ConsensusNodes = nodes,
});
internal static ExpressChain CreateChain(int nodeCount, byte?addressVersion)
{
if (nodeCount != 1 && nodeCount != 4 && nodeCount != 7)
{
throw new ArgumentException("invalid blockchain node count", nameof(nodeCount));
}
var settings = ProtocolSettings.Default with
{
Network = ExpressChain.GenerateNetworkValue(),
AddressVersion = addressVersion ?? ProtocolSettings.Default.AddressVersion
};
var wallets = new List <(DevWallet wallet, WalletAccount account)>(nodeCount);
for (var i = 1; i <= nodeCount; i++)
{
var wallet = new DevWallet(settings, $"node{i}");
var account = wallet.CreateAccount();
account.IsDefault = true;
wallets.Add((wallet, account));
}
var keys = wallets.Select(t => t.account.GetKey().PublicKey).ToArray();
var contract = Contract.CreateMultiSigContract((keys.Length * 2 / 3) + 1, keys);
foreach (var(wallet, account) in wallets)
{
var multiSigContractAccount = wallet.CreateAccount(contract, account.GetKey());
multiSigContractAccount.Label = "Consensus MultiSigContract";
}
var nodes = wallets.Select((w, i) => new ExpressConsensusNode
{
TcpPort = GetPortNumber(i, 3),
WebSocketPort = GetPortNumber(i, 4),
RpcPort = GetPortNumber(i, 2),
Wallet = w.wallet.ToExpressWallet()
});
return(new ExpressChain()
{
Network = settings.Network,
AddressVersion = settings.AddressVersion,
ConsensusNodes = nodes.ToList(),
});
public static ExpressWallet CreateWallet(string name)
{
using (var wallet = new DevWallet(name))
{
var account = wallet.CreateAccount();
account.IsDefault = true;
return(wallet.ToExpressWallet());
}
}
static bool TryGetNEP2Wallet(string nep2, string password, ProtocolSettings settings, [MaybeNullWhen(false)] out Wallet wallet, [MaybeNullWhen(false)] out UInt160 accountHash)
{
try
{
var privateKey = Wallet.GetPrivateKeyFromNEP2(nep2, password, settings.AddressVersion);
wallet = new DevWallet(settings, string.Empty);
var account = wallet.CreateAccount(privateKey);
accountHash = account.ScriptHash;
return(true);
}
catch
{
wallet = null;
accountHash = null;
return(false);
}
}