private async IAsyncEnumerable <MessageResponse> TransferCoreAsync(UserInfo sender, UserInfo receiver, decimal amount, string symbol)
{
symbol = symbol.ToUpperInvariant();
var content = $@"转账方：[{sender.Name}]({_matatakiService.GetUserPageUrl(sender.Id)})
被转账方：[{receiver.Name}]({_matatakiService.GetUserPageUrl(receiver.Id)})
转账数目：{amount} {symbol}";
yield return(new MessageResponse("转账交易进行中...", content, parseMode: ParseMode.Markdown));
MessageResponse finalResponse;
try
{
var hash = await _matatakiService.TransferAsync(sender.Id, receiver.Id, amount, symbol);
finalResponse = new MessageResponse("*转账成功*", content, parseMode: ParseMode.Markdown).WithInlineButtons(
InlineButton.WithUrl("交易详情", "https://rinkeby.etherscan.io/tx/" + hash)
);
}
catch
{
finalResponse = new MessageResponse("*转账失败*", content, parseMode: ParseMode.Markdown);
}
yield return(finalResponse);
}
public async Task <MessageResponse> Handle(Message message)
{
var builder = new StringBuilder();
UserInfo?user = null;
try
{
user = await _backendService.GetUserByTelegramIdAsync(message.From.Id);
builder.AppendLine($"瞬Matataki 昵称： [{user.Name}]({_matatakiService.GetUserPageUrl(user.Id)})");
}
catch
{
builder.AppendLine("没有绑定 Matataki");
}
if (user?.IssuedTokens?.Length > 0)
{
var token = user.IssuedTokens[0];
builder.AppendLine($"Fan票 名称：[{token.Symbol} ({token.Name})]({_matatakiService.GetTokenPageUrl(user.IssuedTokens[0].Id)})");
}
else
{
builder.AppendLine("没有发行 Fan 票");
}
return(Markdown(builder.ToString()));
}
