diff --git a/doc/bips.md b/doc/bips.md index 2552a7f03..b8efabbcf 100644 --- a/doc/bips.md +++ b/doc/bips.md @@ -20,3 +20,4 @@ BIPs that are implemented by Bitcoin Core (up-to-date up to **v0.12.0**): * [`BIP 111`](https://github.com/bitcoin/bips/blob/master/bip-0111.mediawiki): `NODE_BLOOM` service bit added, and enforced for all peer versions as of **v0.13.0** ([PR #6579](https://github.com/bitcoin/bitcoin/pull/6579) and [PR #6641](https://github.com/bitcoin/bitcoin/pull/6641)). * [`BIP 125`](https://github.com/bitcoin/bips/blob/master/bip-0125.mediawiki): Opt-in full replace-by-fee signaling honoured in mempool and mining as of **v0.12.0** ([PR 6871](https://github.com/bitcoin/bitcoin/pull/6871)). * [`BIP 130`](https://github.com/bitcoin/bips/blob/master/bip-0130.mediawiki): direct headers announcement is negotiated with peer versions `>=70012` as of **v0.12.0** ([PR 6494](https://github.com/bitcoin/bitcoin/pull/6494)). +* [`BIP 133`](https://github.com/bitcoin/bips/blob/master/bip-0133.mediawiki): feefilter messages are respected and sent for peer versions `>=70013` as of **v0.13.0** ([PR 7542](https://github.com/bitcoin/bitcoin/pull/7542)). diff --git a/qa/pull-tester/rpc-tests.py b/qa/pull-tester/rpc-tests.py index 5242917e2..b4ba9032d 100755 --- a/qa/pull-tester/rpc-tests.py +++ b/qa/pull-tester/rpc-tests.py @@ -152,7 +152,6 @@ testScriptsExt = [ 'getblocktemplate_proposals.py', 'txn_doublespend.py', 'txn_clone.py --mineblock', - # 'pruning.py', # Prune mode is incompatible with -txindex. 'forknotify.py', 'invalidateblock.py', # 'rpcbind_test.py', #temporary, bug in libevent, see #6655 @@ -162,6 +161,8 @@ testScriptsExt = [ 'mempool_packages.py', 'maxuploadtarget.py', # 'replace-by-fee.py', # RBF is disabled in Dash Core + 'p2p-feefilter.py', + # 'pruning.py', # leave pruning last as it takes a REALLY long time #### Prune mode is incompatible with -txindex. ] def runtests(): diff --git a/qa/rpc-tests/p2p-feefilter.py b/qa/rpc-tests/p2p-feefilter.py new file mode 100755 index 000000000..f85c18dcd --- /dev/null +++ b/qa/rpc-tests/p2p-feefilter.py @@ -0,0 +1,99 @@ +#!/usr/bin/env python2 +# Copyright (c) 2016 The Bitcoin Core developers +# Distributed under the MIT/X11 software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +# + +from test_framework.mininode import * +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import * +import time + +''' +FeeFilterTest -- test processing of feefilter messages +''' + +def hashToHex(hash): + return format(hash, '064x').decode('utf-8') + +# Wait up to 60 secs to see if the testnode has received all the expected invs +def allInvsMatch(invsExpected, testnode): + for x in xrange(60): + with mininode_lock: + if (sorted(invsExpected) == sorted(testnode.txinvs)): + return True; + time.sleep(1) + return False; + +# TestNode: bare-bones "peer". Used to track which invs are received from a node +# and to send the node feefilter messages. +class TestNode(SingleNodeConnCB): + def __init__(self): + SingleNodeConnCB.__init__(self) + self.txinvs = [] + + def on_inv(self, conn, message): + for i in message.inv: + if (i.type == 1): + self.txinvs.append(hashToHex(i.hash)) + + def clear_invs(self): + with mininode_lock: + self.txinvs = [] + + def send_filter(self, feerate): + self.send_message(msg_feefilter(feerate)) + self.sync_with_ping() + +class FeeFilterTest(BitcoinTestFramework): + def setup_network(self): + # Node1 will be used to generate txs which should be relayed from Node0 + # to our test node + self.nodes = [] + self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-logtimemicros"])) + self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-logtimemicros"])) + connect_nodes(self.nodes[0], 1) + + def run_test(self): + node1 = self.nodes[1] + # Get out of IBD + node1.generate(1) + sync_blocks(self.nodes) + + # Setup the p2p connections and start up the network thread. + test_node = TestNode() + connection = NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test_node) + test_node.add_connection(connection) + NetworkThread().start() + test_node.wait_for_verack() + + # Test that invs are received for all txs at feerate of 20 sat/byte + node1.settxfee(Decimal("0.00020000")) + txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] + assert(allInvsMatch(txids, test_node)) + test_node.clear_invs() + + # Set a filter of 15 sat/byte + test_node.send_filter(15000) + + # Test that txs are still being received (paying 20 sat/byte) + txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] + assert(allInvsMatch(txids, test_node)) + test_node.clear_invs() + + # Change tx fee rate to 10 sat/byte and test they are no longer received + node1.settxfee(Decimal("0.00010000")) + [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] + sync_mempools(self.nodes) # must be sure node 0 has received all txs + time.sleep(10) # wait 10 secs to be sure its doesn't relay any + assert(allInvsMatch([], test_node)) + test_node.clear_invs() + + # Remove fee filter and check that txs are received again + test_node.send_filter(0) + txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] + assert(allInvsMatch(txids, test_node)) + test_node.clear_invs() + +if __name__ == '__main__': + FeeFilterTest().main() diff --git a/qa/rpc-tests/test_framework/mininode.py b/qa/rpc-tests/test_framework/mininode.py index 36a2cf068..c5f01fe32 100755 --- a/qa/rpc-tests/test_framework/mininode.py +++ b/qa/rpc-tests/test_framework/mininode.py @@ -1031,6 +1031,23 @@ def wait_until(predicate, attempts=float('inf'), timeout=float('inf')): return False +class msg_feefilter(object): + command = "feefilter" + + def __init__(self, feerate=0L): + self.feerate = feerate + + def deserialize(self, f): + self.feerate = struct.unpack("", _("Specify data directory")); strUsage += HelpMessageOpt("-dbcache=", strprintf(_("Set database cache size in megabytes (%d to %d, default: %d)"), nMinDbCache, nMaxDbCache, nDefaultDbCache)); + strUsage += HelpMessageOpt("-feefilter", strprintf(_("Tell other nodes to filter invs to us by our mempool min fee (default: %u)"), DEFAULT_FEEFILTER)); strUsage += HelpMessageOpt("-loadblock=", _("Imports blocks from external blk000??.dat file on startup")); strUsage += HelpMessageOpt("-maxorphantx=", strprintf(_("Keep at most unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS)); strUsage += HelpMessageOpt("-maxmempool=", strprintf(_("Keep the transaction memory pool below megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE)); diff --git a/src/net.cpp b/src/net.cpp index dae7fc439..5e92bad96 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -2474,7 +2474,7 @@ bool CConnman::DisconnectNode(NodeId id) return false; } -void CConnman::RelayTransaction(const CTransaction& tx) +void CConnman::RelayTransaction(const CTransaction& tx, CFeeRate feerate) { CDataStream ss(SER_NETWORK, PROTOCOL_VERSION); ss.reserve(10000); @@ -2488,10 +2488,10 @@ void CConnman::RelayTransaction(const CTransaction& tx) } else { // MSG_TX ss << tx; } - RelayTransaction(tx, ss); + RelayTransaction(tx, feerate, ss); } -void CConnman::RelayTransaction(const CTransaction& tx, const CDataStream& ss) +void CConnman::RelayTransaction(const CTransaction& tx, CFeeRate feerate, const CDataStream& ss) { uint256 hash = tx.GetHash(); int nInv = static_cast(CPrivateSend::GetDSTX(hash)) ? MSG_DSTX : @@ -2515,6 +2515,11 @@ void CConnman::RelayTransaction(const CTransaction& tx, const CDataStream& ss) { if(!pnode->fRelayTxes) continue; + { + LOCK(pnode->cs_feeFilter); + if (feerate.GetFeePerK() < pnode->minFeeFilter) + continue; + } LOCK(pnode->cs_filter); if (pnode->pfilter) { @@ -2711,6 +2716,9 @@ CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn fPingQueued = false; fMasternode = false; nMinPingUsecTime = std::numeric_limits::max(); + minFeeFilter = 0; + lastSentFeeFilter = 0; + nextSendTimeFeeFilter = 0; vchKeyedNetGroup = CalculateKeyedNetGroup(addr); id = idIn; nLocalServices = nLocalServicesIn; diff --git a/src/net.h b/src/net.h index 46789e04c..cd1a1e383 100644 --- a/src/net.h +++ b/src/net.h @@ -8,6 +8,7 @@ #include "addrdb.h" #include "addrman.h" +#include "amount.h" #include "bloom.h" #include "compat.h" #include "limitedmap.h" @@ -304,8 +305,8 @@ public: std::vector CopyNodeVector(); void ReleaseNodeVector(const std::vector& vecNodes); - void RelayTransaction(const CTransaction& tx); - void RelayTransaction(const CTransaction& tx, const CDataStream& ss); + void RelayTransaction(const CTransaction& tx, CFeeRate feerate); + void RelayTransaction(const CTransaction& tx, CFeeRate feerate, const CDataStream& ss); void RelayInv(CInv &inv, const int minProtoVersion = MIN_PEER_PROTO_VERSION); // Addrman functions @@ -765,6 +766,11 @@ public: int64_t nMinPingUsecTime; // Whether a ping is requested. bool fPingQueued; + // Minimum fee rate with which to filter inv's to this node + CAmount minFeeFilter; + CCriticalSection cs_feeFilter; + CAmount lastSentFeeFilter; + int64_t nextSendTimeFeeFilter; std::vector vchKeyedNetGroup; diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 4081efd4b..f3b22f159 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -50,6 +50,8 @@ using namespace std; int64_t nTimeBestReceived = 0; // Used only to inform the wallet of when we last received a block +extern FeeFilterRounder filterRounder; + struct COrphanTx { CTransaction tx; NodeId fromPeer; @@ -1624,8 +1626,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, mapAlreadyAskedFor.erase(inv.hash); - if (!AlreadyHave(inv) && AcceptToMemoryPool(mempool, state, tx, true, &fMissingInputs)) - { + CFeeRate txFeeRate = CFeeRate(0); + if (!AlreadyHave(inv) && AcceptToMemoryPool(mempool, state, tx, true, &fMissingInputs, &txFeeRate)) { // Process custom txes, this changes AlreadyHave to "true" if (strCommand == NetMsgType::DSTX) { LogPrintf("DSTX -- Masternode transaction accepted, txid=%s, peer=%d\n", @@ -1638,7 +1640,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, } mempool.check(pcoinsTip); - connman.RelayTransaction(tx); + connman.RelayTransaction(tx, txFeeRate); vWorkQueue.push_back(inv.hash); pfrom->nLastTXTime = GetTime(); @@ -1671,10 +1673,11 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, if (setMisbehaving.count(fromPeer)) continue; - if (AcceptToMemoryPool(mempool, stateDummy, orphanTx, true, &fMissingInputs2)) + CFeeRate orphanFeeRate = CFeeRate(0); + if (AcceptToMemoryPool(mempool, stateDummy, orphanTx, true, &fMissingInputs2, &orphanFeeRate)) { LogPrint("mempool", " accepted orphan tx %s\n", orphanHash.ToString()); - connman.RelayTransaction(orphanTx); + connman.RelayTransaction(orphanTx, orphanFeeRate); vWorkQueue.push_back(orphanHash); vEraseQueue.push_back(orphanHash); } @@ -1725,7 +1728,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, instantsend.RejectLockRequest(txLockRequest); // this lets other nodes to create lock request candidate i.e. // this allows multiple conflicting lock requests to compete for votes - connman.RelayTransaction(tx); + connman.RelayTransaction(tx, txFeeRate); } if (pfrom->fWhitelisted && GetBoolArg("-whitelistforcerelay", DEFAULT_WHITELISTFORCERELAY)) { @@ -1740,7 +1743,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, int nDoS = 0; if (!state.IsInvalid(nDoS) || nDoS == 0) { LogPrintf("Force relaying tx %s from whitelisted peer=%d\n", tx.GetHash().ToString(), pfrom->id); - connman.RelayTransaction(tx); + connman.RelayTransaction(tx, txFeeRate); } else { LogPrintf("Not relaying invalid transaction %s from whitelisted peer=%d (%s)\n", tx.GetHash().ToString(), pfrom->id, FormatStateMessage(state)); } @@ -1952,6 +1955,13 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, if (!fInMemPool) continue; // another thread removed since queryHashes, maybe... if (!pfrom->pfilter->IsRelevantAndUpdate(tx)) continue; } + if (pfrom->minFeeFilter) { + CFeeRate feeRate; + mempool.lookupFeeRate(hash, feeRate); + LOCK(pfrom->cs_feeFilter); + if (feeRate.GetFeePerK() < pfrom->minFeeFilter) + continue; + } vInv.push_back(inv); if (vInv.size() == MAX_INV_SZ) { connman.PushMessage(pfrom, NetMsgType::INV, vInv); @@ -2151,8 +2161,20 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, } } } - else - { + + else if (strCommand == NetMsgType::FEEFILTER) { + CAmount newFeeFilter = 0; + vRecv >> newFeeFilter; + if (MoneyRange(newFeeFilter)) { + { + LOCK(pfrom->cs_feeFilter); + pfrom->minFeeFilter = newFeeFilter; + } + LogPrint("net", "received: feefilter of %s from peer=%d\n", CFeeRate(newFeeFilter).ToString(), pfrom->id); + } + } + + else { bool found = false; const std::vector &allMessages = getAllNetMessageTypes(); BOOST_FOREACH(const std::string msg, allMessages) { @@ -2707,6 +2729,29 @@ bool SendMessages(CNode* pto, CConnman& connman, std::atomic& interruptMsg LogPrint("net", "SendMessages -- GETDATA -- pushed size = %lu peer=%d\n", vGetData.size(), pto->id); } + // + // Message: feefilter + // + // We don't want white listed peers to filter txs to us if we have -whitelistforcerelay + if (pto->nVersion >= FEEFILTER_VERSION && GetBoolArg("-feefilter", DEFAULT_FEEFILTER) && + !(pto->fWhitelisted && GetBoolArg("-whitelistforcerelay", DEFAULT_WHITELISTFORCERELAY))) { + CAmount currentFilter = mempool.GetMinFee(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFeePerK(); + int64_t timeNow = GetTimeMicros(); + if (timeNow > pto->nextSendTimeFeeFilter) { + CAmount filterToSend = filterRounder.round(currentFilter); + if (filterToSend != pto->lastSentFeeFilter) { + connman.PushMessage(pto, NetMsgType::FEEFILTER, filterToSend); + pto->lastSentFeeFilter = filterToSend; + } + pto->nextSendTimeFeeFilter = PoissonNextSend(timeNow, AVG_FEEFILTER_BROADCAST_INTERVAL); + } + // If the fee filter has changed substantially and it's still more than MAX_FEEFILTER_CHANGE_DELAY + // until scheduled broadcast, then move the broadcast to within MAX_FEEFILTER_CHANGE_DELAY. + else if (timeNow + MAX_FEEFILTER_CHANGE_DELAY * 1000000 < pto->nextSendTimeFeeFilter && + (currentFilter < 3 * pto->lastSentFeeFilter / 4 || currentFilter > 4 * pto->lastSentFeeFilter / 3)) { + pto->nextSendTimeFeeFilter = timeNow + (insecure_rand() % MAX_FEEFILTER_CHANGE_DELAY) * 1000000; + } + } } return true; } diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp index 332a4ac5b..e3922b2ff 100644 --- a/src/policy/fees.cpp +++ b/src/policy/fees.cpp @@ -8,6 +8,7 @@ #include "amount.h" #include "primitives/transaction.h" +#include "random.h" #include "streams.h" #include "txmempool.h" #include "util.h" @@ -578,3 +579,21 @@ void CBlockPolicyEstimator::Read(CAutoFile& filein) priStats.Read(filein); nBestSeenHeight = nFileBestSeenHeight; } + +FeeFilterRounder::FeeFilterRounder(const CFeeRate& minIncrementalFee) +{ + CAmount minFeeLimit = minIncrementalFee.GetFeePerK() / 2; + feeset.insert(0); + for (double bucketBoundary = minFeeLimit; bucketBoundary <= MAX_FEERATE; bucketBoundary *= FEE_SPACING) { + feeset.insert(bucketBoundary); + } +} + +CAmount FeeFilterRounder::round(CAmount currentMinFee) +{ + std::set::iterator it = feeset.lower_bound(currentMinFee); + if ((it != feeset.begin() && insecure_rand() % 3 != 0) || it == feeset.end()) { + it--; + } + return *it; +} diff --git a/src/policy/fees.h b/src/policy/fees.h index db1887a78..ebfb308c4 100644 --- a/src/policy/fees.h +++ b/src/policy/fees.h @@ -286,4 +286,17 @@ private: CFeeRate feeLikely, feeUnlikely; double priLikely, priUnlikely; }; + +class FeeFilterRounder +{ +public: + /** Create new FeeFilterRounder */ + FeeFilterRounder(const CFeeRate& minIncrementalFee); + + /** Quantize a minimum fee for privacy purpose before broadcast **/ + CAmount round(CAmount currentMinFee); + +private: + std::set feeset; +}; #endif /*BITCOIN_POLICYESTIMATOR_H */ diff --git a/src/protocol.cpp b/src/protocol.cpp index d955f219b..235a85aff 100644 --- a/src/protocol.cpp +++ b/src/protocol.cpp @@ -35,6 +35,7 @@ const char *FILTERADD="filteradd"; const char *FILTERCLEAR="filterclear"; const char *REJECT="reject"; const char *SENDHEADERS="sendheaders"; +const char *FEEFILTER="feefilter"; // Dash message types const char *TXLOCKREQUEST="ix"; const char *TXLOCKVOTE="txlvote"; @@ -119,6 +120,7 @@ const static std::string allNetMessageTypes[] = { NetMsgType::FILTERCLEAR, NetMsgType::REJECT, NetMsgType::SENDHEADERS, + NetMsgType::FEEFILTER, // Dash message types // NOTE: do NOT include non-implmented here, we want them to be "Unknown command" in ProcessMessage() NetMsgType::TXLOCKREQUEST, diff --git a/src/protocol.h b/src/protocol.h index 419b00d9c..41221ddf4 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -218,6 +218,12 @@ extern const char *REJECT; * @see https://bitcoin.org/en/developer-reference#sendheaders */ extern const char *SENDHEADERS; +/** + * The feefilter message tells the receiving peer not to inv us any txs + * which do not meet the specified min fee rate. + * @since protocol version 70013 as described by BIP133 + */ +extern const char *FEEFILTER; // Dash message types // NOTE: do NOT declare non-implmented here, we don't want them to be exposed to the outside diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 87ad929a7..a9a0944d8 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -875,6 +875,7 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp) fHaveChain = !existingCoin.IsSpent(); } bool fHaveMempool = mempool.exists(hashTx); + CFeeRate txFeeRate = CFeeRate(0); if (!fHaveMempool && !fHaveChain) { // push to local node and sync with wallets if (fInstantSend && !instantsend.ProcessTxLockRequest(tx, *g_connman)) { @@ -882,7 +883,7 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp) } CValidationState state; bool fMissingInputs; - if (!AcceptToMemoryPool(mempool, state, tx, false, &fMissingInputs, false, nMaxRawTxFee)) { + if (!AcceptToMemoryPool(mempool, state, tx, false, &fMissingInputs, &txFeeRate, false, nMaxRawTxFee)) { if (state.IsInvalid()) { throw JSONRPCError(RPC_TRANSACTION_REJECTED, strprintf("%i: %s", state.GetRejectCode(), state.GetRejectReason())); } else { @@ -898,7 +899,7 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp) if(!g_connman) throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled"); - g_connman->RelayTransaction(tx); + g_connman->RelayTransaction(tx, txFeeRate); return hashTx.GetHex(); } diff --git a/src/test/txvalidationcache_tests.cpp b/src/test/txvalidationcache_tests.cpp index 36d4271b6..5d27e2cec 100644 --- a/src/test/txvalidationcache_tests.cpp +++ b/src/test/txvalidationcache_tests.cpp @@ -23,7 +23,7 @@ ToMemPool(CMutableTransaction& tx) LOCK(cs_main); CValidationState state; - return AcceptToMemoryPool(mempool, state, tx, false, NULL, true, 0); + return AcceptToMemoryPool(mempool, state, tx, false, NULL, NULL, true, 0); } BOOST_FIXTURE_TEST_CASE(tx_mempool_block_doublespend, TestChain100Setup) diff --git a/src/txmempool.cpp b/src/txmempool.cpp index 0c4e6a2cf..b1fff87d1 100644 --- a/src/txmempool.cpp +++ b/src/txmempool.cpp @@ -907,6 +907,16 @@ bool CTxMemPool::lookup(uint256 hash, CTransaction& result) const return true; } +bool CTxMemPool::lookupFeeRate(const uint256& hash, CFeeRate& feeRate) const +{ + LOCK(cs); + indexed_transaction_set::const_iterator i = mapTx.find(hash); + if (i == mapTx.end()) + return false; + feeRate = CFeeRate(i->GetFee(), i->GetTxSize()); + return true; +} + CFeeRate CTxMemPool::estimateFee(int nBlocks) const { LOCK(cs); diff --git a/src/txmempool.h b/src/txmempool.h index cae37633c..5e18f7254 100644 --- a/src/txmempool.h +++ b/src/txmempool.h @@ -646,6 +646,7 @@ public: } bool lookup(uint256 hash, CTransaction& result) const; + bool lookupFeeRate(const uint256& hash, CFeeRate& feeRate) const; /** Estimate fee rate needed to get into the next nBlocks * If no answer can be given at nBlocks, return an estimate diff --git a/src/validation.cpp b/src/validation.cpp index c77f21be7..a4d98b4cf 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -16,10 +16,12 @@ #include "consensus/validation.h" #include "hash.h" #include "init.h" +#include "policy/fees.h" #include "policy/policy.h" #include "pow.h" #include "primitives/block.h" #include "primitives/transaction.h" +#include "random.h" #include "script/script.h" #include "script/sigcache.h" #include "script/standard.h" @@ -95,6 +97,7 @@ CFeeRate minRelayTxFee = CFeeRate(DEFAULT_MIN_RELAY_TX_FEE); CAmount maxTxFee = DEFAULT_TRANSACTION_MAXFEE; CTxMemPool mempool(::minRelayTxFee); +FeeFilterRounder filterRounder(::minRelayTxFee); map mapRejectedBlocks GUARDED_BY(cs_main); /** @@ -553,7 +556,7 @@ std::string FormatStateMessage(const CValidationState &state) } bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const CTransaction& tx, bool fLimitFree, - bool* pfMissingInputs, bool fOverrideMempoolLimit, const CAmount nAbsurdFee, + bool* pfMissingInputs, CFeeRate* txFeeRate, bool fOverrideMempoolLimit, const CAmount& nAbsurdFee, std::vector& coins_to_uncache, bool fDryRun) { const uint256 hash = tx.GetHash(); @@ -748,6 +751,9 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C CTxMemPoolEntry entry(tx, nFees, GetTime(), dPriority, chainActive.Height(), pool.HasNoInputsOf(tx), inChainInputValue, fSpendsCoinbase, nSigOps, lp); unsigned int nSize = entry.GetTxSize(); + if (txFeeRate) { + *txFeeRate = CFeeRate(nFees, nSize); + } // Check that the transaction doesn't have an excessive number of // sigops, making it impossible to mine. Since the coinbase transaction @@ -1010,10 +1016,10 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C } bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransaction &tx, bool fLimitFree, - bool* pfMissingInputs, bool fOverrideMempoolLimit, const CAmount nAbsurdFee, bool fDryRun) + bool* pfMissingInputs, CFeeRate* txFeeRate, bool fOverrideMempoolLimit, const CAmount nAbsurdFee, bool fDryRun) { std::vector coins_to_uncache; - bool res = AcceptToMemoryPoolWorker(pool, state, tx, fLimitFree, pfMissingInputs, fOverrideMempoolLimit, nAbsurdFee, coins_to_uncache, fDryRun); + bool res = AcceptToMemoryPoolWorker(pool, state, tx, fLimitFree, pfMissingInputs, txFeeRate, fOverrideMempoolLimit, nAbsurdFee, coins_to_uncache, fDryRun); if (!res || fDryRun) { if(!res) LogPrint("mempool", "%s: %s %s\n", __func__, tx.GetHash().ToString(), state.GetRejectReason()); BOOST_FOREACH(const COutPoint& hashTx, coins_to_uncache) @@ -2497,7 +2503,7 @@ bool static DisconnectTip(CValidationState& state, const Consensus::Params& cons // ignore validation errors in resurrected transactions list removed; CValidationState stateDummy; - if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL, true)) { + if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL, NULL, true)) { mempool.removeRecursive(tx, removed); } else if (mempool.exists(tx.GetHash())) { vHashUpdate.push_back(tx.GetHash()); diff --git a/src/validation.h b/src/validation.h index ac0df0ffd..fbb97d438 100644 --- a/src/validation.h +++ b/src/validation.h @@ -110,6 +110,10 @@ static const unsigned int AVG_ADDRESS_BROADCAST_INTERVAL = 30; /** Average delay between trickled inventory broadcasts in seconds. * Blocks, whitelisted receivers, and a random 25% of transactions bypass this. */ static const unsigned int AVG_INVENTORY_BROADCAST_INTERVAL = 5; +/** Average delay between feefilter broadcasts in seconds. */ +static const unsigned int AVG_FEEFILTER_BROADCAST_INTERVAL = 10 * 60; +/** Maximum feefilter broadcast delay after significant change. */ +static const unsigned int MAX_FEEFILTER_CHANGE_DELAY = 5 * 60; /** Block download timeout base, expressed in millionths of the block interval (i.e. 2.5 min) */ static const int64_t BLOCK_DOWNLOAD_TIMEOUT_BASE = 250000; /** Additional block download timeout per parallel downloading peer (i.e. 1.25 min) */ @@ -132,6 +136,8 @@ static const unsigned int DEFAULT_BANSCORE_THRESHOLD = 100; static const bool DEFAULT_TESTSAFEMODE = false; /** Default for -mempoolreplacement */ static const bool DEFAULT_ENABLE_REPLACEMENT = false; +/** Default for using fee filter */ +static const bool DEFAULT_FEEFILTER = true; /** Maximum number of headers to announce when relaying blocks with headers message.*/ static const unsigned int MAX_BLOCKS_TO_ANNOUNCE = 8; @@ -310,7 +316,7 @@ void PruneAndFlush(); /** (try to) add transaction to memory pool **/ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransaction &tx, bool fLimitFree, - bool* pfMissingInputs, bool fOverrideMempoolLimit=false, const CAmount nAbsurdFee=0, bool fDryRun=false); + bool* pfMissingInputs, CFeeRate* txFeeRate, bool fOverrideMempoolLimit=false, const CAmount nAbsurdFee=0, bool fDryRun=false); bool GetUTXOCoin(const COutPoint& outpoint, Coin& coin); int GetUTXOHeight(const COutPoint& outpoint); diff --git a/src/version.h b/src/version.h index 5203b93c5..4005dc4e6 100644 --- a/src/version.h +++ b/src/version.h @@ -37,7 +37,10 @@ static const int NO_BLOOM_VERSION = 70201; //! "sendheaders" command and announcing blocks with headers starts with this version static const int SENDHEADERS_VERSION = 70201; +//! "feefilter" tells peers to filter invs to you by fee starts with this version +static const int FEEFILTER_VERSION = 70209; + //! DIP0001 was activated in this version -static const int DIP0001_PROTOCOL_VERSION = 70208; +static const int DIP0001_PROTOCOL_VERSION = 99999; // disable for now (clarify deployment later) #endif // BITCOIN_VERSION_H diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 06028c7eb..32708027f 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -1759,12 +1759,14 @@ bool CWalletTx::RelayWalletTransaction(CConnman* connman, std::string strCommand if (GetDepthInMainChain() == 0 && !isAbandoned() && InMempool()) { uint256 hash = GetHash(); LogPrintf("Relaying wtx %s\n", hash.ToString()); + CFeeRate feeRate; + mempool.lookupFeeRate(GetHash(), feeRate); if(strCommand == NetMsgType::TXLOCKREQUEST) { instantsend.ProcessTxLockRequest(((CTxLockRequest)*this), *connman); } if (connman) { - connman->RelayTransaction((CTransaction)*this); + connman->RelayTransaction((CTransaction)*this, feeRate); return true; } } @@ -4695,5 +4697,5 @@ int CMerkleTx::GetBlocksToMaturity() const bool CMerkleTx::AcceptToMemoryPool(bool fLimitFree, CAmount nAbsurdFee) { CValidationState state; - return ::AcceptToMemoryPool(mempool, state, *this, fLimitFree, NULL, false, nAbsurdFee); + return ::AcceptToMemoryPool(mempool, state, *this, fLimitFree, NULL, NULL, false, nAbsurdFee); }