我试图通过使用本地存储的区块链 只有(通过比特币核心下载)来检查给定比特币地址的 平衡。类似的东西(通过使用 NBitCoin 和/或 QBitNinja) ,但不需要访问网络:
private static readonly QBitNinjaClient client = new QBitNinjaClient(Network.Main);
public decimal CheckBalance(BitcoinPubKeyAddress address)
{
var balanceModel = client.GetBalance(address, true).Result;
decimal balance = 0;
if (balanceModel.Operations.Count > 0)
{
var unspentCoins = new List<Coin>();
foreach (var operation in balanceModel.Operations)
unspentCoins.AddRange(operation.ReceivedCoins.Select(coin => coin as Coin));
balance = unspentCoins.Sum(x => x.Amount.ToDecimal(MoneyUnit.BTC));
}
return balance;
}
上面的示例需要访问网络。我需要在线下做同样的事。我想出了这个主意,但显然没用:
public decimal CheckBalanceLocal(BitcoinPubKeyAddress address)
{
var node = Node.ConnectToLocal(Network.Main);
node.VersionHandshake();
var chain = node.GetChain();
var store = new BlockStore(@"F:\Program Files\Bitcoin\Cache\blocks", Network.Main);
var index = new IndexedBlockStore(new InMemoryNoSqlRepository(), store);
index.ReIndex();
var headers = chain.ToEnumerable(false).ToArray();
var balance = (
from header in headers
select index.Get(header.HashBlock)
into block
from tx in block.Transactions
from txout in tx.Outputs
where txout.ScriptPubKey.GetDestinationAddress(Network.Main) == address
select txout.Value.ToDecimal(MoneyUnit.BTC)).Sum();
return balance;
}
InMemoryNoSqlRepository
被存储在一个文件,以防止使用 ReIndex()
,这会减慢一切我的要求是通过查询存储在磁盘上的块,使用与第一个方法相同的方法来实现 检查平衡。
实际上,我需要的可能只是对 这个问题的回答: