public static VaspClient Create(
VaspInformation vaspInfo,
VaspContractInfo vaspContractInfo,
string handshakePrivateKeyHex,
string signaturePrivateKeyHex,
IEthereumRpc nodeClientEthereumRpc,
IWhisperRpc nodeClientWhisperRpc,
IEnsProvider ensProvider,
ISignService signService,
ITransportClient transportClient)
{
var handshakeKey = ECDH_Key.ImportKey(handshakePrivateKeyHex);
var vaspClient = new VaspClient(
handshakeKey,
signaturePrivateKeyHex,
vaspContractInfo,
vaspInfo,
nodeClientEthereumRpc,
nodeClientWhisperRpc,
ensProvider,
transportClient,
signService);
return(vaspClient);
}
public async Task <VaspContractInfo> GetVaspContractInfoAync(string vaspSmartContracAddress)
{
var pathToAbi = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "VASP.abi");
var abi = File.ReadAllText(pathToAbi);
var contract = _web3.Eth.GetContract(abi, vaspSmartContracAddress);
var name = await contract.GetFunction("name").CallAsync <string>();
var vaspCode = await contract.GetFunction("code").CallAsync <byte[]>();
var handshakeKey = await contract.GetFunction("handshakeKey").CallAsync <string>();
var signingKey = await contract.GetFunction("signingKey").CallAsync <string>();
var postalAddress = await contract.GetFunction("postalAddress").CallDeserializingToObjectAsync <PostalAddressDTO>();
Country.List.TryGetValue(postalAddress.Country, out var country);
var vaspSmartContractInfo = new VaspContractInfo()
{
Name = name,
VaspCode = VaspCode.Create(vaspCode.ToHex()),
HandshakeKey = handshakeKey,
Address = new PostalAddress(
postalAddress.StreetName,
int.Parse(postalAddress.BuildingNumber),
postalAddress.AddressLine,
postalAddress.PostCode,
postalAddress.Town,
country),
SigningKey = signingKey,
Channgels = null,
Email = null,
OwnerAddress = null,
Website = null
};
return(vaspSmartContractInfo);
}
//TODO: Get rid of Whisper completely
private VaspClient(
ECDH_Key handshakeKey,
string signatureHexKey,
VaspContractInfo vaspContractInfo,
VaspInformation vaspInfo,
IEthereumRpc nodeClientEthereumRpc,
IWhisperRpc nodeClientWhisperRpc,
IEnsProvider ensProvider,
ITransportClient transportClient,
ISignService signService)
{
this._handshakeKey = handshakeKey;
this._signatureKey = signatureHexKey;
this._vaspContractInfo = vaspContractInfo;
this.VaspInfo = vaspInfo;
this._ethereumRpc = nodeClientEthereumRpc;
this._whisperRpc = nodeClientWhisperRpc;
this._cancellationTokenSource = new CancellationTokenSource();
this._ensProvider = ensProvider;
this._transportClient = transportClient;
this._signService = signService;
}
