public async Task <bool> SaveDataAsync(string gethConnectionUrl, IAccountUnlock accuntUnlock, IndexDBContext dbContext, IndexDBs indexDB, ITransationData transationData)
{
ISuitableBlockData suitableData = new SuitableBlockData(31744);
//获取适合保存到以太坊区块中的字符串长度
var photoStrings = suitableData.GetArrayListForSaving(transationData.IdPhotoData);
//保存到以太坊网络中
var web3 = new Web3Geth(gethConnectionUrl);
string resultHashs = null;
foreach (var photoString in photoStrings)
{
var input = new TransactionInput(new HexUTF8String(photoString).HexValue, new HexBigInteger("0xffffff"), transationData.Address);
await accuntUnlock.UnlockAccountAsync(gethConnectionUrl, transationData.Address, transationData.Password);
resultHashs += await web3.Eth.Transactions
.SendTransaction
.SendRequestAsync(input) + " ";
}
//将交易哈希与个人信息保存到索引数据库
var isSuccessful = await SaveTxHashToIndexDB(dbContext, indexDB, transationData, resultHashs);
if (!isSuccessful)
{
return(false);
}
return(true);
}
protected virtual async Task <bool> SaveTxHashToIndexDB(IndexDBContext dbContext, IndexDBs indexDB, ITransationData transationData, string HashString)
{
indexDB.ID = transationData.ID;
indexDB.AccountAddress = transationData.Address;
indexDB.TransationHash = HashString;
try
{
await dbContext.indexs.AddAsync(indexDB);
await dbContext.SaveChangesAsync();
return(true);
}
catch (Exception e)
{
return(false);
}
}
public async Task <ITransationData> PriKeyQueryAsync(string gethConnectionUrl, IndexDBContext dbContext, ITransationData transationData, string ID, Func <ITransationData, IndexDB.IndexDBs, ITransationData> requiredData)
{
string IdPhotoData = null;
//从索引数据库拿到交易哈希列表字符串
var dataIndex = await GetTxHashFormIndexDBAsnyc(dbContext, ID);
//拆分成交易哈希字符串数字
string[] TxHashs = dataIndex.TransationHash.Trim().Split(' ');
//使用交易哈希得到私链中保存的图片数据片段
var web3 = new Web3Geth(gethConnectionUrl);
foreach (var Txhash in TxHashs)
{
var result = await web3.Eth.Transactions
.GetTransactionByHash
.SendRequestAsync(Txhash);
//拼接片段
IdPhotoData += new Nethereum.Hex.HexConvertors
.HexUTF8StringConvertor()
.ConvertFromHex(result.Input);
}
//将数据转换成传输模型
transationData.IdPhotoData = IdPhotoData;
transationData.ID = dataIndex.ID;
transationData.Address = dataIndex.AccountAddress;
//如果没有委托，直接返回
if (requiredData == null)
{
return(transationData);
}
//使用委托使得用户可以实现传输模型接口,自定义需要获得的数据
transationData = requiredData.Invoke(transationData, dataIndex);
return(transationData);
}