public async Task <JToken> SendApiRequest(Request request)
{
if (request.Type == "identityFromPermissions" && !Paired)
{
return(false);
}
await Pair();
if (!Paired)
{
throw new Exception("The user did not allow this app to connect to their Scatter");
}
var tcs = new TaskCompletionSource <JToken>();
request.Id = UtilsHelper.RandomNumber(24);
request.Appkey = StorageProvider.GetAppkey();
request.Nonce = StorageProvider.GetNonce() ?? "";
var nextNonce = UtilsHelper.RandomNumberBytes();
request.NextNonce = UtilsHelper.ByteArrayToHexString(Sha256Manager.GetHash(nextNonce));
StorageProvider.SetNonce(UtilsHelper.ByteArrayToHexString(nextNonce));
OpenTasks.Add(request.Id, tcs);
OpenTaskTimes.Add(request.Id, DateTime.Now);
await Send("api", new { data = request, plugin = AppName });
return(await tcs.Task);
}
/// <summary>
/// Sign bytes using the signature provider
/// </summary>
/// <param name="chainId">EOSIO Chain id</param>
/// <param name="requiredKeys">required public keys for signing this bytes</param>
/// <param name="signBytes">signature bytes</param>
/// <param name="abiNames">abi contract names to get abi information from</param>
/// <returns>List of signatures per required keys</returns>
public async Task <IEnumerable <string> > Sign(string chainId, IEnumerable <string> requiredKeys, byte[] signBytes, IEnumerable <string> abiNames = null)
{
IEnumerable <AbiRequest> abis = null;
if (abiNames != null)
{
abis = abiNames.Select(a => new AbiRequest()
{
account_name = a
});
}
else
{
abis = new List <AbiRequest>();
}
var result = await Scatter.RequestSignature(new SignatureRequest()
{
network = Scatter.GetNetwork(),
blockchain = ScatterConstants.Blockchains.EOSIO,
requiredFields = new List <object>(), //TODO create concrete object for requiredFields
transaction = new Transaction()
{
abis = abis,
serializedTransaction = UtilsHelper.ByteArrayToHexString(signBytes),
chainId = chainId
},
origin = Scatter.GetAppName()
});
return(result.signatures);
}
public async Task <IEnumerable <string> > Sign(string chainId, IEnumerable <string> requiredKeys, byte[] signBytes, IEnumerable <string> abiNames = null)
{
IEnumerable <object> abis = null;
if (abiNames != null)
{
abis = abiNames.Select(a => new { account_name = a });
}
else
{
abis = new List <object>();
}
var result = await Scatter.RequestSignature(new
{
network = Scatter.Network,
blockchain = Scatter.Blockchains.EOSIO,
requiredFields = new List <object>(),
transaction = new
{
abis,
serializedTransaction = UtilsHelper.ByteArrayToHexString(signBytes),
chainId
},
origin = Scatter.AppName
});
return(result.Signatures);
}
protected void HandlePairedResponse(bool?paired)
{
Paired = paired.GetValueOrDefault();
if (Paired)
{
var storedAppKey = StorageProvider.GetAppkey();
string hashed = storedAppKey.StartsWith("appkey:") ?
UtilsHelper.ByteArrayToHexString(Sha256Manager.GetHash(Encoding.UTF8.GetBytes(storedAppKey))) :
storedAppKey;
if (string.IsNullOrWhiteSpace(storedAppKey) ||
storedAppKey != hashed)
{
StorageProvider.SetAppkey(hashed);
}
}
OpenTask openTask;
if (!OpenTasks.TryGetValue(PairOpenId, out openTask))
{
return;
}
openTask.PromiseTask.SetResult(Paired);
openTask.TaskTimeoutMS = int.MaxValue;
}
public ScatterUnitTests()
{
var storageProvider = new MemoryStorageProvider();
storageProvider.SetAppkey(UtilsHelper.ByteArrayToHexString(Sha256Manager.GetHash(Encoding.UTF8.GetBytes("appkey:0a182c0d054b6fd9f9361c82fcd040b46c41a6f61952a3ea"))));
var scatter = new Scatter(new ScatterConfigurator()
{
AppName = "SCATTER-SHARP",
Network = network,
StorageProvider = storageProvider
});
ScatterUnitTestCases = new ScatterUnitTestCases(scatter, network);
}
/// <summary>
/// Send api request to scatter
/// </summary>
/// <typeparam name="TRequest">Request type param</typeparam>
/// <typeparam name="TReturn">Return type param</typeparam>
/// <param name="request">Request object</param>
/// <param name="timeout">set response timeout that overrides the default one</param>
/// <returns></returns>
public async Task <TReturn> SendApiRequest <TRequest, TReturn>(Request <TRequest> request, int?timeout = null)
{
if (request.type == "identityFromPermissions" && !Paired)
{
return(default(TReturn));
}
await Pair();
if (!Paired)
{
throw new Exception("The user did not allow this app to connect to their Scatter");
}
var tcs = new TaskCompletionSource <object>();
do
{
request.id = UtilsHelper.RandomNumber(24);
}while (OpenTasks.ContainsKey(request.id));
request.appkey = StorageProvider.GetAppkey();
request.nonce = StorageProvider.GetNonce() ?? "";
var nextNonce = UtilsHelper.RandomNumberBytes();
request.nextNonce = UtilsHelper.ByteArrayToHexString(Sha256Manager.GetHash(nextNonce));
StorageProvider.SetNonce(UtilsHelper.ByteArrayToHexString(nextNonce));
OpenTasks.Add(request.id, new OpenTask()
{
PromiseTask = tcs,
TaskRequestTime = DateTime.Now,
TaskTimeoutMS = timeout.HasValue ? timeout.Value : TimeoutMS
});
await SockIO.EmitAsync("api", new RequestWrapper()
{
data = request,
plugin = AppName
});
return(BuildApiResponse <TReturn>(await tcs.Task));
}
protected void HandlePairedResponse(bool?paired)
{
Paired = paired.GetValueOrDefault();
if (Paired)
{
var storedAppKey = StorageProvider.GetAppkey();
string hashed = storedAppKey.StartsWith("appkey:") ?
UtilsHelper.ByteArrayToHexString(Sha256Manager.GetHash(Encoding.UTF8.GetBytes(storedAppKey))) :
storedAppKey;
if (string.IsNullOrWhiteSpace(storedAppKey) ||
storedAppKey != hashed)
{
StorageProvider.SetAppkey(hashed);
}
}
if (PairOpenTask != null)
{
PairOpenTask.SetResult(Paired);
}
}
