public async Task <string> walletExportIpfs(
string exportKey, string walletKey = "")
{
string path = IOFacilitator.homePath() + d_identifier + "WBtemp";
try
{
// create export file
await walletExportLocal(path, exportKey);
// convert export file from byte file to txt file
string textFilePath = IOFacilitator.convertByteToTextFile(
d_identifier + "WBtemp");
// upload text file to ipfs
IpfsFacilitator ipfs = new IpfsFacilitator();
string ipfsPath = await ipfs.addFile(textFilePath);
WalletBackupModel model = new WalletBackupModel(
ipfsPath,
d_identifier,
(walletKey == "" ? d_identifier : walletKey),
exportKey);
model.exportToJsonFile();
return(JsonConvert.SerializeObject(model));
}
catch (Exception e)
{
return($"Error: {e.Message}");
}
}
public async Task <string> walletImportIpfs(string identifier,
string jsonConfig)
{
WalletBackupModel model =
WalletBackupModel.importFromJson(jsonConfig);
IpfsFacilitator ipfs = new IpfsFacilitator();
string localPath = IOFacilitator.homePath() + "temp";
try
{
// get file content
string txt = await ipfs.getFile(model.ipfs_path, identifier);
// create local file from ipfs content
IOFacilitator.createFile(txt, "temp.txt");
// convert txt to binary
IOFacilitator.convertTextToByteFile("temp.txt", "temp");
// import wallet into client
string res = await walletImportLocal(identifier, localPath, model.wallet_key,
model.export_key);
return(res);
}
catch (Exception e)
{
return($"Error: {e.Message}");
}
}
public async Task <string> createWalletBackupSharedSecrets(
int min, int total)
{
string list = await listSharedSecrets();
if (list != "0")
{
throw new Exception("There allready exist shared secrets.");
}
if (!IOFacilitator.fileExists(WalletBackupModel.filePath(d_identifier)))
{
throw new Exception("There must be an IPFS backup of the wallet. No IPFS export JSON file was found for this wallet.");
}
WalletBackupModel model =
WalletBackupModel.importFromJsonFile(d_identifier);
List <string> secrets = SecretSharingFacilitator.createSharedSecret(
model.toJson(), min, total);
int idx = 0;
foreach (string secret in secrets)
{
await addRecord(
"shared-secret",
secret,
"WBSS",
createSharedSecretTagJson(++idx, min, total));
}
list = await listSharedSecrets();
return(list);
}
static public WalletBackupModel importFromJsonFile(string walletIdentifier)
{
string importJson = IOFacilitator.readFile(
WalletBackupModel.filePath(walletIdentifier));
return WalletBackupModel.importFromJson(importJson);
}