diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/src/main.cpp b/src/main.cpp index 6567c77e93..7dd1c2c068 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -20,7 +20,6 @@ #include <sstream> -#include <boost/dynamic_bitset.hpp> #include <boost/algorithm/string/replace.hpp> #include <boost/filesystem.hpp> #include <boost/filesystem/fstream.hpp> @@ -3519,75 +3518,6 @@ void static ProcessGetData(CNode* pfrom) } } -struct CCoin { - uint32_t nTxVer; // Don't call this nVersion, that name has a special meaning inside IMPLEMENT_SERIALIZE - uint32_t nHeight; - CTxOut out; - - IMPLEMENT_SERIALIZE( - READWRITE(nTxVer); - READWRITE(nHeight); - READWRITE(out); - ) -}; - -bool ProcessGetUTXOs(const vector<COutPoint> &vOutPoints, bool fCheckMemPool, vector<unsigned char> *result, vector<CCoin> *resultCoins) -{ - // Defined by BIP 64. - // - // Allows a peer to retrieve the CTxOut structures corresponding to the given COutPoints. - // Note that this data is not authenticated by anything: this code could just invent any - // old rubbish and hand it back, with the peer being unable to tell unless they are checking - // the outpoints against some out of band data. - // - // Also the answer could change the moment after we give it. However some apps can tolerate - // this, because they're only using the result as a hint or are willing to trust the results - // based on something else. For example we may be a "trusted node" for the peer, or it may - // be checking the results given by several nodes for consistency, it may - // run the UTXOs returned against scriptSigs of transactions obtained elsewhere (after checking - // for a standard script form), and because the height in which the UTXO was defined is provided - // a client that has a map of heights to block headers (as SPV clients do, for recent blocks) - // can request the creating block via hash. - // - // IMPORTANT: Clients expect ordering to be preserved! - if (vOutPoints.size() > MAX_INV_SZ) - return error("message getutxos size() = %u", vOutPoints.size()); - - LogPrint("net", "getutxos for %d queries %s mempool\n", vOutPoints.size(), fCheckMemPool ? "with" : "without"); - - boost::dynamic_bitset<unsigned char> hits(vOutPoints.size()); - { - LOCK2(cs_main, mempool.cs); - CCoinsViewMemPool cvMemPool(*pcoinsTip, mempool); - CCoinsViewCache view(fCheckMemPool ? cvMemPool : *pcoinsTip); - for (size_t i = 0; i < vOutPoints.size(); i++) - { - CCoins coins; - uint256 hash = vOutPoints[i].hash; - if (view.GetCoins(hash, coins)) - { - mempool.pruneSpent(hash, coins); - if (coins.IsAvailable(vOutPoints[i].n)) - { - hits[i] = true; - // Safe to index into vout here because IsAvailable checked if it's off the end of the array, or if - // n is valid but points to an already spent output (IsNull). - CCoin coin; - coin.nTxVer = coins.nVersion; - coin.nHeight = coins.nHeight; - coin.out = coins.vout.at(vOutPoints[i].n); - assert(!coin.out.IsNull()); - resultCoins->push_back(coin); - } - } - } - } - - boost::to_block_range(hits, std::back_inserter(*result)); - return true; -} - - bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, int64_t nTimeReceived) { RandAddSeedPerfmon(); @@ -3936,22 +3866,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, } - else if (strCommand == "getutxos") - { - bool fCheckMemPool; - vector<COutPoint> vOutPoints; - vRecv >> fCheckMemPool; - vRecv >> vOutPoints; - - vector<unsigned char> bitmap; - vector<CCoin> outs; - if (ProcessGetUTXOs(vOutPoints, fCheckMemPool, &bitmap, &outs)) - pfrom->PushMessage("utxos", chainActive.Height(), chainActive.Tip()->GetBlockHash(), bitmap, outs); - else - Misbehaving(pfrom->GetId(), 20); - } - - else if (strCommand == "tx") { vector<uint256> vWorkQueue; |