/// <summary>
///
/// </summary>
/// <returns></returns>
public async Task <object> GetAsset(UInt160 asset)
{
var assetInfo = AssetCache.GetAssetInfo(asset);
if (assetInfo == null)
{
return(null);
}
var totalSupply = AssetCache.GetTotalSupply(asset);
using var db = new TrackDB();
var record = db.GetContract(asset);
var trans = db.QueryTransactions(new TransactionFilter()
{
Contracts = new List <UInt160>()
{
asset
}, PageSize = 0
});
return(new AssetInfoModel()
{
Asset = assetInfo.Asset,
Decimals = assetInfo.Decimals,
Name = assetInfo.Name,
Symbol = assetInfo.Symbol,
TotalSupply = totalSupply,
CreateTime = record?.CreateTime,
TransactionCount = trans.TotalCount,
});
}
/// <summary>
/// query all nep transactions(on chain)
/// </summary>
/// <returns></returns>
public async Task <object> QueryNep5Transactions(int pageIndex = 1, int limit = 100, UInt160 address = null, UInt160 asset = null, uint?blockHeight = null)
{
using var db = new TrackDB();
var filter = new TransactionFilter()
{
BlockHeight = blockHeight,
PageIndex = pageIndex,
PageSize = limit
};
if (address != null)
{
filter.FromOrTo = new List <UInt160>()
{
address
};
}
if (asset != null)
{
filter.Contracts = new List <UInt160>()
{
asset
};
}
var trans = db.QueryTransactions(filter, true);
var result = new PageList <TransactionPreviewModel>
{
TotalCount = trans.TotalCount,
PageSize = trans.PageSize,
PageIndex = pageIndex,
List = ConvertToTransactionPreviewModel(trans.List),
};
return(result);
}
