/// <summary>
/// Load the NFT based on the data from the cache
/// </summary>
/// <param name="metadata">Metadata from cache of NFTs</param>
/// <param name="utxo">Utxo of the NFT</param>
/// <param name="utxoindex">Utxo Index of the NFT</param>
/// <param name="txinfo">preloaded txinfo</param>
/// <param name="asType">Force the output type</param>
/// <param name="type">Specify the output type - you must set asType flag</param>
/// <returns>INFT compatible object</returns>
public static async Task <INFT> GetNFTFromCacheMetadata(IDictionary <string, string> metadata, string utxo, int utxoindex, NeblioAPI.GetTransactionInfoResponse txinfo = null, bool asType = false, NFTTypes type = NFTTypes.Image)
{
if (!asType)
{
try
{
type = ParseNFTType(metadata);
}
catch (Exception ex)
{
Console.WriteLine($"Cannot load Type of NFT from cache. " + ex.Message);
return(null);
}
}
if (type == NFTTypes.IoTDevice)
{
return(null);
}
if (utxoindex == 1 && metadata.TryGetValue("ReceiptFromPaymentUtxo", out var rfp))
{
if (!string.IsNullOrEmpty(rfp))
{
type = NFTTypes.Receipt;
}
}
if (txinfo == null)
{
txinfo = await NeblioTransactionHelpers.GetTransactionInfo(utxo);
if (txinfo == null)
{
return(null);
}
if (txinfo.Vout == null)
{
return(null);
}
}
var tokid = string.Empty;
try
{
var tid = txinfo.Vout.ToList()[utxoindex]?.Tokens.ToList()[0]?.TokenId;
tokid = tid;
if (string.IsNullOrEmpty(tokid))
{
tokid = NFTHelpers.TokenId;
}
}
catch (Exception ex)
{
Console.WriteLine("Cannot parse token Id from NFT. " + ex.Message);
return(null);
}
INFT nft = null;
switch (type)
{
case NFTTypes.Image:
nft = new ImageNFT(utxo);
break;
case NFTTypes.Profile:
nft = new ProfileNFT(utxo);
break;
case NFTTypes.Post:
nft = new PostNFT(utxo);
break;
case NFTTypes.Music:
nft = new MusicNFT(utxo);
break;
case NFTTypes.Payment:
nft = new PaymentNFT(utxo);
break;
case NFTTypes.Receipt:
nft = new ReceiptNFT(utxo);
break;
case NFTTypes.Invoice:
nft = new InvoiceNFT(utxo);
break;
case NFTTypes.Order:
nft = new OrderNFT(utxo);
break;
case NFTTypes.Product:
nft = new ProductNFT(utxo);
break;
case NFTTypes.Message:
nft = new MessageNFT(utxo);
break;
case NFTTypes.Ticket:
nft = new TicketNFT(utxo);
break;
case NFTTypes.Event:
nft = new EventNFT(utxo);
break;
case NFTTypes.CoruzantArticle:
nft = new CoruzantArticleNFT(utxo);
break;
case NFTTypes.CoruzantProfile:
nft = new CoruzantProfileNFT(utxo);
break;
case NFTTypes.Device:
nft = new DeviceNFT(utxo);
break;
case NFTTypes.IoTDevice:
nft = new IoTDeviceNFT(utxo);
break;
case NFTTypes.Protocol:
nft = new ProtocolNFT(utxo);
break;
case NFTTypes.HWSrc:
nft = new HWSrcNFT(utxo);
break;
case NFTTypes.FWSrc:
nft = new FWSrcNFT(utxo);
break;
case NFTTypes.SWSrc:
nft = new SWSrcNFT(utxo);
break;
case NFTTypes.MechSrc:
nft = new MechSrcNFT(utxo);
break;
case NFTTypes.IoTMessage:
nft = new IoTMessageNFT(utxo);
break;
case NFTTypes.Xray:
nft = new XrayNFT(utxo);
break;
case NFTTypes.XrayImage:
nft = new XrayImageNFT(utxo);
break;
}
if (nft != null)
{
nft.Time = TimeHelpers.UnixTimestampToDateTime((double)txinfo.Blocktime);
nft.Utxo = utxo;
nft.UtxoIndex = utxoindex;
nft.TxDetails = txinfo;
nft.TokenId = tokid;
nft.IsLoaded = true;
await nft.LoadLastData(metadata);
if (nft.Type == NFTTypes.Message)
{
(nft as MessageNFT).Decrypted = false;
}
if (nft.Type == NFTTypes.IoTMessage)
{
(nft as IoTMessageNFT).Decrypted = false;
}
if (nft.Type == NFTTypes.IoTDevice)
{
(nft as IoTDeviceNFT).DecryptedSetting = false;
}
return(nft);
}
else
{
return(null);
}
}
/// <summary>
/// Create and load the NFT from the transaction hash
/// </summary>
/// <param name="tokenId">Optional. If you know please provide to speed up the loading.</param>
/// <param name="utxo">NFT transaction hash</param>
/// <param name="utxoindex">Index of the NFT output. This is important for NFTs from multimint.</param>
/// <param name="time">already parsed time</param>
/// <param name="wait">await load - obsolete</param>
/// <param name="loadJustType">load just specific type of NFT</param>
/// <param name="justType">specify the type of the NFT which can be load - you must turn on justType flag</param>
/// <param name="skipTheType">skip some type of NFT</param>
/// <param name="skipType">specify the type of NFT which should be skipped - you must turn on skipTheType flag</param>
/// <param name="address">Specify address of owner</param>
/// <param name="txinfo">if you have loaded txinfo provide it to speed up the loading</param>
/// <returns>INFT compatible object</returns>
public static async Task <INFT> GetNFT(string tokenId,
string utxo,
int utxoindex = 0,
double time = 0,
bool wait = false,
bool loadJustType = false,
NFTTypes justType = NFTTypes.Image,
bool skipTheType = false,
NFTTypes skipType = NFTTypes.Image,
string address = "",
NeblioAPI.GetTransactionInfoResponse txinfo = null)
{
NFTTypes type = NFTTypes.Image;
INFT nft = null;
if (txinfo == null)
{
txinfo = await NeblioTransactionHelpers.GetTransactionInfo(utxo);
}
if (txinfo == null)
{
return(null);
}
if (txinfo.Vout == null)
{
return(null);
}
var tokid = tokenId;
try
{
var tid = txinfo.Vout.ToList()[utxoindex]?.Tokens.ToList()[0];
if (tid == null)
{
return(null);
}
if (tid.Amount > 1)
{
return(null);
}
tokid = tid.TokenId;
if (string.IsNullOrEmpty(tokid))
{
tokid = NFTHelpers.TokenId;
}
}
catch
{
return(null);
}
if (VEDLDataContext.AllowCache && tokid == NFTHelpers.TokenId)
{
// try to load it from cache
try
{
if (VEDLDataContext.NFTCache.TryGetValue($"{utxo}:{utxoindex}", out var cachedMetadata))
{
cachedMetadata.LastAccess = DateTime.UtcNow;
cachedMetadata.NumberOfReads++;
Console.WriteLine($"Loading {utxo}:{utxoindex} NFT from cache.");
if (cachedMetadata.NFTType == NFTTypes.Receipt)
{
Console.WriteLine($"NFT Receipt");
}
nft = await GetNFTFromCacheMetadata(cachedMetadata.Metadata, utxo, utxoindex, txinfo, true, cachedMetadata.NFTType);
if (nft != null)
{
Console.WriteLine($"Loading {utxo}:{utxoindex} NFT from cache done.");
}
if (nft != null)
{
return(nft);
}
else
{
Console.WriteLine($"Loading {utxo}:{utxoindex} NFT from cache was not possible!");
}
}
}
catch (Exception ex)
{
Console.WriteLine("Cannot load NFT from cache. " + ex.Message);
return(null);
}
}
var meta = await NeblioTransactionHelpers.GetTransactionMetadata(tokid, utxo);
if (meta == null)
{
return(null);
}
else if (meta.Count == 0 || meta.Count == 1)
{
return(null);
}
try
{
if (!meta.TryGetValue("NFT", out var nftt))
{
return(null);
}
else
if (nftt != "true")
{
return(null);
}
type = ParseNFTType(meta);
}
catch (Exception ex)
{
Console.WriteLine($"Cannot load Type of NFT {utxo}. " + ex.Message);
if (meta.TryGetValue("SourceUtxo", out var sourceutxo))
{
type = NFTTypes.Image;
}
else
{
return(null);
}
}
if (utxoindex == 1 && meta.TryGetValue("ReceiptFromPaymentUtxo", out var rfp))
{
if (!string.IsNullOrEmpty(rfp))
{
type = NFTTypes.Receipt;
}
}
if (loadJustType)
{
if (justType != type)
{
return(null);
}
}
if (skipTheType)
{
if (skipType == type || (skipType == NFTTypes.Message && type == NFTTypes.IoTMessage))
{
return(null);
}
}
var Time = TimeHelpers.UnixTimestampToDateTime(time);
switch (type)
{
case NFTTypes.Image:
nft = new ImageNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
//if (wait)
await nft.ParseOriginData(meta);
//else
//nft.ParseOriginData(meta);
nft.ParsePrice(meta);
break;
case NFTTypes.Profile:
nft = new ProfileNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as ProfileNFT).LoadLastData(meta);
return(nft);
case NFTTypes.Post:
nft = new PostNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as PostNFT).LoadLastData(meta);
break;
case NFTTypes.Music:
nft = new MusicNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
//await ponft.ParseOriginData();
if (wait)
{
await nft.ParseOriginData(meta);
}
else
{
nft.ParseOriginData(meta);
}
nft.ParsePrice(meta);
break;
case NFTTypes.Payment:
nft = new PaymentNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as PaymentNFT).LoadLastData(meta);
break;
case NFTTypes.Receipt:
nft = new ReceiptNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as ReceiptNFT).LoadLastData(meta);
break;
case NFTTypes.Invoice:
nft = new InvoiceNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as InvoiceNFT).LoadLastData(meta);
break;
case NFTTypes.Order:
nft = new OrderNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as OrderNFT).LoadLastData(meta);
break;
case NFTTypes.Product:
nft = new ProductNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as ProductNFT).LoadLastData(meta);
break;
case NFTTypes.Message:
nft = new MessageNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as MessageNFT).LoadLastData(meta);
break;
case NFTTypes.Ticket:
nft = new TicketNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await nft.ParseOriginData(meta);
}
else
{
nft.ParseOriginData(meta);
}
nft.ParsePrice(meta);
break;
case NFTTypes.Event:
nft = new EventNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await nft.ParseOriginData(meta);
}
else
{
nft.ParseOriginData(meta);
}
nft.ParsePrice(meta);
break;
case NFTTypes.CoruzantArticle:
nft = new CoruzantArticleNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as CoruzantArticleNFT).LoadLastData(meta);
}
else
{
(nft as CoruzantArticleNFT).LoadLastData(meta);
}
nft.ParsePrice(meta);
break;
case NFTTypes.CoruzantProfile:
nft = new CoruzantProfileNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as CoruzantProfileNFT).LoadLastData(meta);
}
else
{
(nft as CoruzantProfileNFT).LoadLastData(meta);
}
break;
case NFTTypes.Device:
nft = new DeviceNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as DeviceNFT).LoadLastData(meta);
}
else
{
(nft as DeviceNFT).LoadLastData(meta);
}
break;
case NFTTypes.IoTDevice:
nft = new IoTDeviceNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as IoTDeviceNFT).LoadLastData(meta);
}
else
{
(nft as IoTDeviceNFT).LoadLastData(meta);
}
break;
case NFTTypes.Protocol:
nft = new ProtocolNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as ProtocolNFT).LoadLastData(meta);
}
else
{
(nft as ProtocolNFT).LoadLastData(meta);
}
break;
case NFTTypes.HWSrc:
nft = new HWSrcNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as HWSrcNFT).LoadLastData(meta);
}
else
{
(nft as HWSrcNFT).LoadLastData(meta);
}
break;
case NFTTypes.FWSrc:
nft = new FWSrcNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as FWSrcNFT).LoadLastData(meta);
}
else
{
(nft as FWSrcNFT).LoadLastData(meta);
}
break;
case NFTTypes.SWSrc:
nft = new SWSrcNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as SWSrcNFT).LoadLastData(meta);
}
else
{
(nft as SWSrcNFT).LoadLastData(meta);
}
break;
case NFTTypes.MechSrc:
nft = new MechSrcNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
if (wait)
{
await(nft as MechSrcNFT).LoadLastData(meta);
}
else
{
(nft as MechSrcNFT).LoadLastData(meta);
}
break;
case NFTTypes.IoTMessage:
nft = new IoTMessageNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as IoTMessageNFT).LoadLastData(meta);
break;
case NFTTypes.Xray:
nft = new XrayNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as XrayNFT).LoadLastData(meta);
break;
case NFTTypes.XrayImage:
nft = new XrayImageNFT(utxo);
nft.TokenId = tokid;
nft.Time = Time;
nft.TxDetails = txinfo;
nft.UtxoIndex = utxoindex;
await(nft as XrayImageNFT).LoadLastData(meta);
break;
}
if (VEDLDataContext.AllowCache && tokid == NFTHelpers.TokenId && VEDLDataContext.NFTCache.Count < VEDLDataContext.MaxCachedItems)
{
if (nft.Type != NFTTypes.IoTDevice)
{
try
{
var mtd = await nft.GetMetadata();
if (!VEDLDataContext.NFTCache.TryGetValue($"{nft.Utxo}:{nft.UtxoIndex}", out var m))
{
VEDLDataContext.NFTCache.TryAdd($"{nft.Utxo}:{nft.UtxoIndex}", new Dto.NFTCacheDto()
{
Address = address,
NFTType = nft.Type,
Metadata = mtd,
Utxo = nft.Utxo,
UtxoIndex = nft.UtxoIndex,
NumberOfReads = 0,
LastAccess = DateTime.UtcNow,
FirstSave = DateTime.UtcNow
});
}
}
catch (Exception ex)
{
Console.WriteLine($"Cannot load NFT {utxo} of type {nft.TypeText} to NFTCache dictionary. " + ex.Message);
}
}
}
return(nft);
}