private DataNode ValidateRequest(string[] args)
{
if (args.Length >= 3)
{
string dapp = args[args.Length - 2];
string token = args[args.Length - 1];
if (authTokens.ContainsKey(dapp))
{
if (authTokens[dapp] == token)
{
return(null);
}
}
}
return(APIUtils.FromAPIResult(new Error()
{
message = "Invalid or missing API token"
}));
}
public void Execute(string cmd, Action <int, DataNode, bool> callback)
{
var args = cmd.Split(',');
DataNode root;
int id = 0;
if (int.TryParse(args[0], out id))
{
}
if (args.Length != 2)
{
root = APIUtils.FromAPIResult(new Error()
{
message = "Malformed request"
});
callback(id, root, false);
return;
}
cmd = args[1];
args = cmd.Split('/');
bool success = false;
var requestType = args[0];
if (requestType != "authorize")
{
var status = this.Status;
if (status != WalletStatus.Ready)
{
root = APIUtils.FromAPIResult(new Error()
{
message = $"Wallet is {status}"
});
callback(id, root, false);
return;
}
}
if (_isPendingRequest)
{
root = APIUtils.FromAPIResult(new Error()
{
message = $"A previouus request is still pending"
});
callback(id, root, false);
return;
}
_isPendingRequest = true;
switch (requestType)
{
case "authorize":
{
if (args.Length == 2)
{
string token;
var dapp = args[1];
if (authTokens.ContainsKey(dapp))
{
token = authTokens[dapp];
success = true;
root = APIUtils.FromAPIResult(new Authorization()
{
wallet = this.Name, dapp = dapp, token = token
});
}
else
{
this.Authorize(dapp, (authorized, error) =>
{
if (authorized)
{
var bytes = new byte[32];
rnd.NextBytes(bytes);
token = Base16.Encode(bytes);
authTokens[dapp] = token;
success = true;
root = APIUtils.FromAPIResult(new Authorization()
{
wallet = this.Name, dapp = dapp, token = token
});
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = error
});
}
callback(id, root, success);
_isPendingRequest = false;
});
return;
}
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = $"authorize: Invalid amount of arguments: {args.Length} instead of 2"
});
}
break;
}
case "getAccount":
{
root = ValidateRequest(args);
if (root == null)
{
var account = this.GetAccount();
root = APIUtils.FromAPIResult(account);
success = true;
}
break;
}
case "signTx":
{
root = ValidateRequest(args);
if (root == null)
{
if (args.Length == 7)
{
var nexus = args[1];
var chain = args[2];
var script = Base16.Decode(args[3]);
byte[] payload = args[4].Length > 0 ? Base16.Decode(args[4]) : null;
SignTransaction(nexus, chain, script, payload, id, (hash, txError) => {
if (hash != Hash.Null)
{
success = true;
root = APIUtils.FromAPIResult(new Transaction()
{
hash = hash.ToString()
});
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = txError
});
}
callback(id, root, success);
_isPendingRequest = false;
});
return;
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid amount of arguments: {args.Length} instead of 7"
});
}
}
break;
}
case "invokeScript":
{
root = ValidateRequest(args);
if (root == null)
{
if (args.Length == 4)
{
var script = Base16.Decode(args[1]);
InvokeScript(script, id, (invokeResult, invokeError) =>
{
if (invokeResult != null)
{
success = true;
root = APIUtils.FromAPIResult(new Invocation()
{
result = Base16.Encode(invokeResult)
});
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = invokeError
});
}
callback(id, root, success);
_isPendingRequest = false;
});
return;
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = $"invokeScript: Invalid amount of arguments: {args.Length} instead of 4"
});
}
}
break;
}
default:
root = APIUtils.FromAPIResult(new Error()
{
message = "Invalid request type"
});
break;
}
callback(id, root, success);
_isPendingRequest = false;
}
public void Execute(string cmd, Action <int, DataNode, bool> callback)
{
var args = cmd.Split(',');
DataNode root;
int id = 0;
if (int.TryParse(args[0], out id))
{
}
if (args.Length != 2)
{
root = APIUtils.FromAPIResult(new Error()
{
message = "Malformed request"
});
callback(id, root, false);
return;
}
cmd = args[1];
args = cmd.Split('/');
bool success = false;
var requestType = args[0];
if (requestType != "authorize")
{
var status = this.Status;
if (status != WalletStatus.Ready)
{
root = APIUtils.FromAPIResult(new Error()
{
message = $"Wallet is {status}"
});
callback(id, root, false);
return;
}
}
switch (requestType)
{
case "authorize":
{
if (args.Length == 2)
{
string token;
var dapp = args[1];
if (authTokens.ContainsKey(dapp))
{
token = authTokens[dapp];
}
else
{
var bytes = new byte[32];
rnd.NextBytes(bytes);
token = Base16.Encode(bytes);
authTokens[dapp] = token;
}
success = true;
root = APIUtils.FromAPIResult(new Authorization()
{
wallet = this.Name, dapp = dapp, token = token
});
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = "Invalid amount of arguments"
});
}
break;
}
case "getAccount":
{
root = ValidateRequest(args);
if (root == null)
{
var account = this.GetAccount();
root = APIUtils.FromAPIResult(account);
success = true;
}
break;
}
case "signTx":
{
root = ValidateRequest(args);
if (root == null)
{
if (args.Length == 3)
{
var script = args[1];
SignTransaction(script, id, callback);
return;
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = "Invalid amount of arguments"
});
}
}
break;
}
case "invokeScript":
{
root = ValidateRequest(args);
if (root == null)
{
if (args.Length == 3)
{
var script = args[1];
InvokeScript(script, id, callback);
return;
}
else
{
root = APIUtils.FromAPIResult(new Error()
{
message = "Invalid amount of arguments"
});
}
}
break;
}
default:
root = APIUtils.FromAPIResult(new Error()
{
message = "Invalid request type"
});
break;
}
callback(id, root, success);
}
public void Execute(string cmd, Action <int, DataNode, bool> callback)
{
var args = cmd.Split(',');
DataNode answer;
int id = 0;
if (!int.TryParse(args[0], out id))
{
answer = APIUtils.FromAPIResult(new Error()
{
message = "Invalid request id"
});
callback(id, answer, false);
return;
}
if (args.Length != 2)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = "Malformed request"
});
callback(id, answer, false);
return;
}
cmd = args[1];
args = cmd.Split('/');
bool success = false;
var requestType = args[0];
if (requestType != "authorize")
{
var status = this.Status;
if (status != WalletStatus.Ready)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"Wallet is {status}"
});
callback(id, answer, false);
return;
}
}
if (_isPendingRequest)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"A previous request is still pending"
});
callback(id, answer, false);
return;
}
_isPendingRequest = true;
switch (requestType)
{
case "version":
{
answer = APIUtils.FromAPIResult(new Invocation()
{
result = LinkProtocol.ToString()
});
success = true;
break;
}
case "authorize":
{
if (args.Length == 2)
{
string token;
var dapp = args[1];
if (authTokens.ContainsKey(dapp))
{
token = authTokens[dapp];
success = true;
answer = APIUtils.FromAPIResult(new Authorization()
{
wallet = this.Name, nexus = this.Nexus, dapp = dapp, token = token
});
}
else
{
var bytes = new byte[32];
rnd.NextBytes(bytes);
token = Base16.Encode(bytes);
this.Authorize(dapp, token, (authorized, error) =>
{
if (authorized)
{
authTokens[dapp] = token;
success = true;
answer = APIUtils.FromAPIResult(new Authorization()
{
wallet = this.Name, nexus = this.Nexus, dapp = dapp, token = token
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = error
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
return;
}
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"authorize: Invalid amount of arguments: {args.Length} instead of 2"
});
}
break;
}
case "getAccount":
{
answer = ValidateRequest(args);
if (answer == null)
{
var account = this.GetAccount();
answer = APIUtils.FromAPIResult(account);
success = true;
}
break;
}
case "signData":
{
answer = ValidateRequest(args);
if (answer == null)
{
if (args.Length == 5)
{
var data = Base16.Decode(args[1], false);
if (data == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid input received"
});
}
else
{
var signatureKind = (SignatureKind)Enum.Parse(typeof(SignatureKind), args[2], true);
SignData(data, signatureKind, id, (signature, random, txError) => {
if (signature != null)
{
success = true;
answer = APIUtils.FromAPIResult(new Signature()
{
signature = signature, random = random
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = txError
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
}
return;
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid amount of arguments: {args.Length} instead of 5"
});
}
}
break;
}
case "signTx":
{
answer = ValidateRequest(args);
if (answer == null)
{
if (args.Length == 7)
{
var nexus = args[1];
if (nexus == this.Nexus)
{
args = args.Skip(1).ToArray();
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid nexus: '{nexus}' expected '{this.Nexus}' instead"
});
break;
}
}
if (args.Length == 6)
{
var chain = args[1];
var script = Base16.Decode(args[2], false);
if (script == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid script data"
});
}
else
{
byte[] payload = args[4].Length > 0 ? Base16.Decode(args[4], false) : null;
SignTransaction(chain, script, payload, id, (hash, txError) => {
if (hash != Hash.Null)
{
success = true;
answer = APIUtils.FromAPIResult(new Transaction()
{
hash = hash.ToString()
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = txError
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
}
return;
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid amount of arguments: {args.Length} instead of 7"
});
}
}
break;
}
case "invokeScript":
{
answer = ValidateRequest(args);
if (answer == null)
{
if (args.Length == 4)
{
var script = Base16.Decode(args[1], false);
if (script == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid script data"
});
}
else
{
InvokeScript(script, id, (invokeResult, invokeError) =>
{
if (invokeResult != null)
{
success = true;
answer = APIUtils.FromAPIResult(new Invocation()
{
result = Base16.Encode(invokeResult)
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = invokeError
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
return;
}
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"invokeScript: Invalid amount of arguments: {args.Length} instead of 4"
});
}
}
break;
}
case "writeArchive":
{
answer = ValidateRequest(args);
if (answer == null)
{
if (args.Length == 6)
{
var archiveHash = Hash.Parse(args[1]);
var blockIndex = int.Parse(args[2]);
var bytes = Base16.Decode(args[3], false);
if (bytes == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"invokeScript: Invalid archive data"
});
}
else
{
WriteArchive(archiveHash, blockIndex, bytes, (result, error) =>
{
if (result)
{
success = true;
answer = APIUtils.FromAPIResult(new Transaction()
{
hash = archiveHash.ToString()
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = error
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
}
return;
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"invokeScript: Invalid amount of arguments: {args.Length} instead of 6"
});
}
}
break;
}
default:
answer = APIUtils.FromAPIResult(new Error()
{
message = "Invalid request type"
});
break;
}
callback(id, answer, success);
_isPendingRequest = false;
}
public void Execute(string cmd, Action <int, DataNode, bool> callback)
{
var args = cmd.Split(',');
DataNode answer;
int id = 0;
if (!int.TryParse(args[0], out id))
{
answer = APIUtils.FromAPIResult(new Error()
{
message = "Invalid request id"
});
callback(id, answer, false);
return;
}
if (args.Length != 2)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = "Malformed request"
});
callback(id, answer, false);
return;
}
cmd = args[1];
args = cmd.Split('/');
bool success = false;
var requestType = args[0];
if (requestType != "authorize")
{
var status = this.Status;
if (status != WalletStatus.Ready)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"Wallet is {status}"
});
callback(id, answer, false);
return;
}
}
if (_isPendingRequest)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"A previous request is still pending"
});
callback(id, answer, false);
return;
}
_isPendingRequest = true;
Connection connection = null;
if (requestType != "authorize")
{
connection = ValidateRequest(args);
if (connection == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = "Invalid or missing API token"
});
callback(id, answer, false);
return;
}
// exclude dapp/token args
args = args.Take(args.Length - 2).ToArray();
}
args = args.Skip(1).ToArray();
switch (requestType)
{
case "authorize":
{
if (args.Length == 1 || args.Length == 2)
{
string token;
var dapp = args[0];
int version;
if (args.Length == 2)
{
var str = args[1];
if (!int.TryParse(str, out version))
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"authorize: Invalid version: {str}"
});
callback(id, answer, false);
_isPendingRequest = false;
return;
}
}
else
{
version = 1;
}
if (_connections.ContainsKey(dapp))
{
connection = _connections[dapp];
success = true;
answer = APIUtils.FromAPIResult(new Authorization()
{
wallet = this.Name, nexus = this.Nexus, dapp = dapp, token = connection.Token, version = connection.Version
});
}
else
{
var bytes = new byte[32];
rnd.NextBytes(bytes);
token = Base16.Encode(bytes);
this.Authorize(dapp, token, version, (authorized, error) =>
{
if (authorized)
{
_connections[dapp] = new Connection(token, version);
success = true;
answer = APIUtils.FromAPIResult(new Authorization()
{
wallet = this.Name, nexus = this.Nexus, dapp = dapp, token = token
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = error
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
return;
}
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"authorize: Invalid amount of arguments: {args.Length}"
});
}
break;
}
case "getAccount":
{
int expectedLength;
switch (connection.Version)
{
case 1:
expectedLength = 0;
break;
default:
expectedLength = 1;
break;
}
if (args.Length == expectedLength)
{
string platform;
if (connection.Version >= 2)
{
platform = args[0].ToLower();
}
else
{
platform = "phantasma";
}
GetAccount(platform, (account, error) => {
if (error == null)
{
success = true;
answer = APIUtils.FromAPIResult(account);
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = error
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
return;
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"getAccount: Invalid amount of arguments: {args.Length}"
});
}
break;
}
case "signData":
{
int expectedLength;
switch (connection.Version)
{
case 1:
expectedLength = 2;
break;
default:
expectedLength = 3;
break;
}
if (args.Length == expectedLength)
{
var data = Base16.Decode(args[0], false);
if (data == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid input received"
});
}
else
{
SignatureKind signatureKind;
if (!Enum.TryParse <SignatureKind>(args[1], out signatureKind))
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signData: Invalid signature: " + args[1]
});
callback(id, answer, false);
_isPendingRequest = false;
return;
}
var platform = connection.Version >= 2 ? args[2].ToLower() : "phantasma";
SignData(platform, signatureKind, data, id, (signature, random, txError) => {
if (signature != null)
{
success = true;
answer = APIUtils.FromAPIResult(new Signature()
{
signature = signature, random = random
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = txError
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
}
return;
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid amount of arguments: {args.Length}"
});
}
break;
}
case "signTx":
{
int expectedLength;
switch (connection.Version)
{
case 1:
expectedLength = 4;
break;
default:
expectedLength = 5;
break;
}
if (args.Length == expectedLength)
{
int index = 0;
if (connection.Version == 1)
{
var txNexus = args[index]; index++;
if (txNexus != this.Nexus)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Expected nexus {this.Nexus}, instead got {txNexus}"
});
callback(id, answer, false);
_isPendingRequest = false;
return;
}
}
var chain = args[index]; index++;
var script = Base16.Decode(args[index], false); index++;
if (script == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid script data"
});
}
else
{
byte[] payload = args[index].Length > 0 ? Base16.Decode(args[index], false) : null;
index++;
string platform;
SignatureKind signatureKind;
if (connection.Version >= 2)
{
if (!Enum.TryParse <SignatureKind>(args[index], out signatureKind))
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid signature: " + args[index]
});
callback(id, answer, false);
_isPendingRequest = false;
return;
}
index++;
platform = args[index].ToLower();
index++;
}
else
{
platform = "phantasma";
signatureKind = SignatureKind.Ed25519;
}
SignTransaction(platform, signatureKind, chain, script, payload, id, (hash, txError) => {
if (hash != Hash.Null)
{
success = true;
answer = APIUtils.FromAPIResult(new Transaction()
{
hash = hash.ToString()
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = txError
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
}
return;
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid amount of arguments: {args.Length}"
});
}
break;
}
case "invokeScript":
{
if (args.Length == 2)
{
var chain = args[0];
var script = Base16.Decode(args[1], false);
if (script == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"signTx: Invalid script data"
});
}
else
{
InvokeScript(chain, script, id, (invokeResult, invokeError) =>
{
if (invokeResult != null)
{
success = true;
answer = APIUtils.FromAPIResult(new Invocation()
{
result = Base16.Encode(invokeResult)
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = invokeError
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
return;
}
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"invokeScript: Invalid amount of arguments: {args.Length}"
});
}
break;
}
case "writeArchive":
{
if (args.Length == 3)
{
var archiveHash = Hash.Parse(args[0]);
var blockIndex = int.Parse(args[1]);
var bytes = Base16.Decode(args[2], false);
if (bytes == null)
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"invokeScript: Invalid archive data"
});
}
else
{
WriteArchive(archiveHash, blockIndex, bytes, (result, error) =>
{
if (result)
{
success = true;
answer = APIUtils.FromAPIResult(new Transaction()
{
hash = archiveHash.ToString()
});
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = error
});
}
callback(id, answer, success);
_isPendingRequest = false;
});
}
return;
}
else
{
answer = APIUtils.FromAPIResult(new Error()
{
message = $"writeArchive: Invalid amount of arguments: {args.Length}"
});
}
break;
}
default:
answer = APIUtils.FromAPIResult(new Error()
{
message = "Invalid request type"
});
break;
}
callback(id, answer, success);
_isPendingRequest = false;
}
