private void OnGetDataMessageReceived(InvPayload payload)
{
foreach (UInt256 hash in payload.Hashes.Distinct())
{
IInventory inventory;
if (!localNode.RelayCache.TryGet(hash, out inventory) && !localNode.ServiceEnabled)
{
continue;
}
switch (payload.Type)
{
case InventoryType.TX:
if (inventory == null)
{
inventory = LocalNode.GetTransaction(hash);
}
if (inventory == null && Blockchain.Default != null)
{
inventory = Blockchain.Default.GetTransaction(hash);
}
if (inventory != null)
{
EnqueueMessage("tx", inventory);
}
break;
case InventoryType.Block:
if (inventory == null && Blockchain.Default != null)
{
inventory = Blockchain.Default.GetBlock(hash);
}
if (inventory != null)
{
BloomFilter filter = bloom_filter;
if (filter == null)
{
EnqueueMessage("block", inventory);
}
else
{
Block block = (Block)inventory;
BitArray flags = new BitArray(block.Transactions.Select(p => TestFilter(filter, p)).ToArray());
EnqueueMessage("merkleblock", MerkleBlockPayload.Create(block, flags));
}
}
break;
case InventoryType.Consensus:
if (inventory != null)
{
EnqueueMessage("consensus", inventory);
}
break;
}
}
}
protected virtual JObject Process(string method, JArray _params)
{
switch (method)
{
case "getaccountstate":
{
UInt160 script_hash = Wallet.ToScriptHash(_params[0].AsString());
AccountState account = Blockchain.Default.GetAccountState(script_hash) ?? new AccountState(script_hash);
return(account.ToJson());
}
case "getassetstate":
{
UInt256 asset_id = UInt256.Parse(_params[0].AsString());
AssetState asset = Blockchain.Default.GetAssetState(asset_id);
return(asset?.ToJson() ?? throw new RpcException(-100, "Unknown asset"));
}
case "getbestblockhash":
return(Blockchain.Default.CurrentBlockHash.ToString());
case "getblock":
{
Block block;
if (_params[0] is JNumber)
{
uint index = (uint)_params[0].AsNumber();
block = Blockchain.Default.GetBlock(index);
}
else
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
block = Blockchain.Default.GetBlock(hash);
}
if (block == null)
{
throw new RpcException(-100, "Unknown block");
}
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
if (verbose)
{
JObject json = block.ToJson();
json["confirmations"] = Blockchain.Default.Height - block.Index + 1;
UInt256 hash = Blockchain.Default.GetNextBlockHash(block.Hash);
if (hash != null)
{
json["nextblockhash"] = hash.ToString();
}
return(json);
}
else
{
return(block.ToArray().ToHexString());
}
}
case "getblockcount":
return(Blockchain.Default.Height + 1);
case "getblockhash":
{
uint height = (uint)_params[0].AsNumber();
if (height >= 0 && height <= Blockchain.Default.Height)
{
return(Blockchain.Default.GetBlockHash(height).ToString());
}
else
{
throw new RpcException(-100, "Invalid Height");
}
}
case "getblocksysfee":
{
uint height = (uint)_params[0].AsNumber();
if (height >= 0 && height <= Blockchain.Default.Height)
{
return(Blockchain.Default.GetSysFeeAmount(height).ToString());
}
else
{
throw new RpcException(-100, "Invalid Height");
}
}
case "getconnectioncount":
return(LocalNode.RemoteNodeCount);
case "getcontractstate":
{
UInt160 script_hash = UInt160.Parse(_params[0].AsString());
ContractState contract = Blockchain.Default.GetContract(script_hash);
return(contract?.ToJson() ?? throw new RpcException(-100, "Unknown contract"));
}
case "getrawmempool":
return(new JArray(LocalNode.GetMemoryPool().Select(p => (JObject)p.Hash.ToString())));
case "getrawtransaction":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
int height = -1;
Transaction tx = LocalNode.GetTransaction(hash);
if (tx == null)
{
tx = Blockchain.Default.GetTransaction(hash, out height);
}
if (tx == null)
{
throw new RpcException(-100, "Unknown transaction");
}
if (verbose)
{
JObject json = tx.ToJson();
if (height >= 0)
{
Header header = Blockchain.Default.GetHeader((uint)height);
json["blockhash"] = header.Hash.ToString();
json["confirmations"] = Blockchain.Default.Height - header.Index + 1;
json["blocktime"] = header.Timestamp;
}
return(json);
}
else
{
return(tx.ToArray().ToHexString());
}
}
case "getstorage":
{
UInt160 script_hash = UInt160.Parse(_params[0].AsString());
byte[] key = _params[1].AsString().HexToBytes();
StorageItem item = Blockchain.Default.GetStorageItem(new StorageKey
{
ScriptHash = script_hash,
Key = key
}) ?? new StorageItem();
return(item.Value?.ToHexString());
}
case "gettxout":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
ushort index = (ushort)_params[1].AsNumber();
return(Blockchain.Default.GetUnspent(hash, index)?.ToJson(index));
}
case "invoke":
{
UInt160 script_hash = UInt160.Parse(_params[0].AsString());
ContractParameter[] parameters = ((JArray)_params[1]).Select(p => ContractParameter.FromJson(p)).ToArray();
byte[] script;
using (ScriptBuilder sb = new ScriptBuilder())
{
script = sb.EmitAppCall(script_hash, parameters).ToArray();
}
return(GetInvokeResult(script));
}
case "invokefunction":
{
UInt160 script_hash = UInt160.Parse(_params[0].AsString());
string operation = _params[1].AsString();
ContractParameter[] args = _params.Count >= 3 ? ((JArray)_params[2]).Select(p => ContractParameter.FromJson(p)).ToArray() : new ContractParameter[0];
byte[] script;
using (ScriptBuilder sb = new ScriptBuilder())
{
script = sb.EmitAppCall(script_hash, operation, args).ToArray();
}
return(GetInvokeResult(script));
}
case "invokescript":
{
byte[] script = _params[0].AsString().HexToBytes();
return(GetInvokeResult(script));
}
case "sendrawtransaction":
{
Transaction tx = Transaction.DeserializeFrom(_params[0].AsString().HexToBytes());
return(LocalNode.Relay(tx));
}
case "submitblock":
{
Block block = _params[0].AsString().HexToBytes().AsSerializable <Block>();
return(LocalNode.Relay(block));
}
case "validateaddress":
{
JObject json = new JObject();
UInt160 scriptHash;
try
{
scriptHash = Wallet.ToScriptHash(_params[0].AsString());
}
catch
{
scriptHash = null;
}
json["address"] = _params[0];
json["isvalid"] = scriptHash != null;
return(json);
}
case "getpeers":
{
JObject json = new JObject();
{
JArray unconnectedPeers = new JArray();
foreach (IPEndPoint peer in LocalNode.GetUnconnectedPeers())
{
JObject peerJson = new JObject();
peerJson["address"] = peer.Address.ToString();
peerJson["port"] = peer.Port;
unconnectedPeers.Add(peerJson);
}
json["unconnected"] = unconnectedPeers;
}
{
JArray badPeers = new JArray();
foreach (IPEndPoint peer in LocalNode.GetBadPeers())
{
JObject peerJson = new JObject();
peerJson["address"] = peer.Address.ToString();
peerJson["port"] = peer.Port;
badPeers.Add(peerJson);
}
json["bad"] = badPeers;
}
{
JArray connectedPeers = new JArray();
foreach (RemoteNode node in LocalNode.GetRemoteNodes())
{
JObject peerJson = new JObject();
peerJson["address"] = node.RemoteEndpoint.Address.ToString();
peerJson["port"] = node.ListenerEndpoint?.Port ?? 0;
connectedPeers.Add(peerJson);
}
json["connected"] = connectedPeers;
}
return(json);
}
case "getversion":
{
JObject json = new JObject();
json["port"] = LocalNode.Port;
json["nonce"] = LocalNode.Nonce;
json["useragent"] = LocalNode.UserAgent;
return(json);
}
default:
throw new RpcException(-32601, "Method not found");
}
}
protected virtual JObject Process(string method, JArray _params)
{
switch (method)
{
case "getbestblockhash":
return(Blockchain.Default.CurrentBlockHash.ToString());
case "getblock":
{
Block block;
if (_params[0] is JNumber)
{
uint index = (uint)_params[0].AsNumber();
block = Blockchain.Default.GetBlock(index);
}
else
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
block = Blockchain.Default.GetBlock(hash);
}
if (block == null)
{
throw new RpcException(-100, "Unknown block");
}
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
if (verbose)
{
JObject json = block.ToJson();
json["confirmations"] = Blockchain.Default.Height - block.Index + 1;
UInt256 hash = Blockchain.Default.GetNextBlockHash(block.Hash);
if (hash != null)
{
json["nextblockhash"] = hash.ToString();
}
return(json);
}
else
{
return(block.ToArray().ToHexString());
}
}
case "getblockcount":
return(Blockchain.Default.Height + 1);
case "getblockhash":
{
uint height = (uint)_params[0].AsNumber();
return(Blockchain.Default.GetBlockHash(height).ToString());
}
case "getconnectioncount":
return(LocalNode.RemoteNodeCount);
case "getrawmempool":
return(new JArray(LocalNode.GetMemoryPool().Select(p => (JObject)p.Hash.ToString())));
case "getrawtransaction":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
int height = -1;
Transaction tx = LocalNode.GetTransaction(hash);
if (tx == null)
{
tx = Blockchain.Default.GetTransaction(hash, out height);
}
if (tx == null)
{
throw new RpcException(-101, "Unknown transaction");
}
if (verbose)
{
JObject json = tx.ToJson();
if (height >= 0)
{
Header header = Blockchain.Default.GetHeader((uint)height);
json["blockhash"] = header.Hash.ToString();
json["confirmations"] = Blockchain.Default.Height - header.Index + 1;
json["blocktime"] = header.Timestamp;
}
return(json);
}
else
{
return(tx.ToArray().ToHexString());
}
}
case "gettxout":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
ushort index = (ushort)_params[1].AsNumber();
return(Blockchain.Default.GetUnspent(hash, index)?.ToJson(index));
}
case "sendrawtransaction":
{
Transaction tx = Transaction.DeserializeFrom(_params[0].AsString().HexToBytes());
return(LocalNode.Relay(tx));
}
case "submitblock":
{
Block block = _params[0].AsString().HexToBytes().AsSerializable <Block>();
return(LocalNode.Relay(block));
}
case "validateaddress":
{
JObject json = new JObject();
UInt160 scriptHash;
try
{
scriptHash = Wallet.ToScriptHash(_params[0].AsString());
}
catch
{
scriptHash = null;
}
json["address"] = _params[0];
json["isvalid"] = scriptHash != null;
return(json);
}
default:
throw new RpcException(-32601, "Method not found");
}
}
private JObject InternalCall(string method, JArray _params)
{
switch (method)
{
case "getbalance":
if (Program.Wallet == null)
{
throw new RpcException(-400, "Access denied.");
}
else
{
UInt256 assetId = UInt256.Parse(_params[0].AsString());
IEnumerable <Coin> coins = Program.Wallet.FindCoins().Where(p => p.AssetId.Equals(assetId));
JObject json = new JObject();
json["balance"] = coins.Where(p => p.State == CoinState.Unspent || p.State == CoinState.Unconfirmed).Sum(p => p.Value).ToString();
json["confirmed"] = coins.Where(p => p.State == CoinState.Unspent).Sum(p => p.Value).ToString();
return(json);
}
case "getbestblockhash":
return(Blockchain.Default.CurrentBlockHash.ToString());
case "getblock":
{
Block block;
if (_params[0] is JNumber)
{
uint index = (uint)_params[0].AsNumber();
block = Blockchain.Default.GetBlock(index);
}
else
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
block = Blockchain.Default.GetBlock(hash);
}
if (block == null)
{
throw new RpcException(-100, "Unknown block");
}
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
if (verbose)
{
JObject json = block.ToJson();
json["confirmations"] = Blockchain.Default.Height - block.Height + 1;
UInt256 hash = Blockchain.Default.GetNextBlockHash(block.Hash);
if (hash != null)
{
json["nextblockhash"] = hash.ToString();
}
return(json);
}
else
{
return(block.ToArray().ToHexString());
}
}
case "getblockcount":
return(Blockchain.Default.Height + 1);
case "getblockhash":
{
uint height = (uint)_params[0].AsNumber();
return(Blockchain.Default.GetBlockHash(height).ToString());
}
case "getconnectioncount":
return(localNode.RemoteNodeCount);
case "getrawmempool":
return(new JArray(LocalNode.GetMemoryPool().Select(p => (JObject)p.Hash.ToString())));
case "getrawtransaction":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
int height = -1;
Transaction tx = LocalNode.GetTransaction(hash);
if (tx == null)
{
tx = Blockchain.Default.GetTransaction(hash, out height);
}
if (tx == null)
{
throw new RpcException(-101, "Unknown transaction");
}
if (verbose)
{
JObject json = tx.ToJson();
if (height >= 0)
{
Header header = Blockchain.Default.GetHeader((uint)height);
json["blockhash"] = header.Hash.ToString();
json["confirmations"] = Blockchain.Default.Height - header.Height + 1;
json["blocktime"] = header.Timestamp;
}
return(json);
}
else
{
return(tx.ToArray().ToHexString());
}
}
case "gettxout":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
ushort index = (ushort)_params[1].AsNumber();
return(Blockchain.Default.GetUnspent(hash, index)?.ToJson(index));
}
case "sendrawtransaction":
{
Transaction tx = Transaction.DeserializeFrom(_params[0].AsString().HexToBytes());
return(localNode.Relay(tx));
}
case "sendtoaddress":
if (Program.Wallet == null)
{
throw new RpcException(-400, "Access denied");
}
else
{
UInt256 assetId = UInt256.Parse(_params[0].AsString());
UInt160 scriptHash = Wallet.ToScriptHash(_params[1].AsString());
Fixed8 value = Fixed8.Parse(_params[2].AsString());
Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
if (value <= Fixed8.Zero)
{
throw new RpcException(-32602, "Invalid params");
}
ContractTransaction tx = Program.Wallet.MakeTransaction(new ContractTransaction
{
Outputs = new[]
{
new TransactionOutput
{
AssetId = assetId,
Value = value,
ScriptHash = scriptHash
}
}
}, fee);
if (tx == null)
{
throw new RpcException(-300, "Insufficient funds");
}
SignatureContext context = new SignatureContext(tx);
Program.Wallet.Sign(context);
if (context.Completed)
{
tx.Scripts = context.GetScripts();
Program.Wallet.SaveTransaction(tx);
localNode.Relay(tx);
return(tx.ToJson());
}
else
{
return(context.ToJson());
}
}
case "submitblock":
{
Block block = _params[0].AsString().HexToBytes().AsSerializable <Block>();
return(localNode.Relay(block));
}
default:
throw new RpcException(-32601, "Method not found");
}
}
private JObject InternalCall(string method, JArray _params)
{
switch (method)
{
case "getbestblockhash":
return(Blockchain.Default.CurrentBlockHash.ToString());
case "getblock":
{
Block block;
if (_params[0] is JNumber)
{
uint index = (uint)_params[0].AsNumber();
block = Blockchain.Default.GetBlock(index);
}
else
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
block = Blockchain.Default.GetBlock(hash);
}
if (block == null)
{
throw new RpcException(-100, "Unknown block");
}
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
if (verbose)
{
return(block.ToJson());
}
else
{
return(block.ToArray().ToHexString());
}
}
case "getblockcount":
return(Blockchain.Default.Height + 1);
case "getblockhash":
{
uint height = (uint)_params[0].AsNumber();
return(Blockchain.Default.GetBlockHash(height).ToString());
}
case "getconnectioncount":
return(localNode.RemoteNodeCount);
case "getrawmempool":
return(new JArray(LocalNode.GetMemoryPool().Select(p => (JObject)p.Hash.ToString())));
case "getrawtransaction":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
Transaction tx = LocalNode.GetTransaction(hash);
if (tx == null)
{
tx = Blockchain.Default.GetTransaction(hash);
}
if (tx == null)
{
throw new RpcException(-101, "Unknown transaction");
}
if (verbose)
{
return(tx.ToJson());
}
else
{
return(tx.ToArray().ToHexString());
}
}
case "gettxout":
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
ushort index = (ushort)_params[1].AsNumber();
return(Blockchain.Default.GetUnspent(hash, index)?.ToJson(index));
}
case "sendrawtransaction":
{
Transaction tx = Transaction.DeserializeFrom(_params[0].AsString().HexToBytes());
return(localNode.Relay(tx));
}
case "submitblock":
{
Block block = _params[0].AsString().HexToBytes().AsSerializable <Block>();
return(localNode.Relay(block));
}
default:
throw new RpcException(-32601, "Method not found");
}
}