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authorCarl Dong <contact@carldong.me>2021-03-17 16:55:47 -0400
committerCarl Dong <contact@carldong.me>2021-03-30 13:52:22 -0400
commit1dd8ed7a8491e51b76eeb236b15b794d9254f674 (patch)
tree617392bade59938f7e8acaaeb06bda0034ffe7e2 /src/net_processing.cpp
parent07156eb387ea580be5e2ce4a1744992ce7575903 (diff)
downloadbitcoin-1dd8ed7a8491e51b76eeb236b15b794d9254f674.tar.xz
net_processing: Move comments to declarations
Also: - Remove extraneous blank line
Diffstat (limited to 'src/net_processing.cpp')
-rw-r--r--src/net_processing.cpp101
1 files changed, 51 insertions, 50 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index e561f02c4a..d0c3e8802b 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -475,19 +475,70 @@ private:
/** Offset into vExtraTxnForCompact to insert the next tx */
size_t vExtraTxnForCompactIt GUARDED_BY(g_cs_orphans) = 0;
+ /** Check whether the last unknown block a peer advertised is not yet known. */
void ProcessBlockAvailability(NodeId nodeid) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+ /** Update tracking information about which blocks a peer is assumed to have. */
void UpdateBlockAvailability(NodeId nodeid, const uint256& hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
bool CanDirectFetch() EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+
+ /**
+ * To prevent fingerprinting attacks, only send blocks/headers outside of
+ * the active chain if they are no more than a month older (both in time,
+ * and in best equivalent proof of work) than the best header chain we know
+ * about and we fully-validated them at some point.
+ */
bool BlockRequestAllowed(const CBlockIndex* pindex) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
bool AlreadyHaveBlock(const uint256& block_hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
void ProcessGetBlockData(CNode& pfrom, Peer& peer, const CInv& inv);
+
+ /**
+ * Validation logic for compact filters request handling.
+ *
+ * May disconnect from the peer in the case of a bad request.
+ *
+ * @param[in] peer The peer that we received the request from
+ * @param[in] filter_type The filter type the request is for. Must be basic filters.
+ * @param[in] start_height The start height for the request
+ * @param[in] stop_hash The stop_hash for the request
+ * @param[in] max_height_diff The maximum number of items permitted to request, as specified in BIP 157
+ * @param[out] stop_index The CBlockIndex for the stop_hash block, if the request can be serviced.
+ * @param[out] filter_index The filter index, if the request can be serviced.
+ * @return True if the request can be serviced.
+ */
bool PrepareBlockFilterRequest(CNode& peer,
BlockFilterType filter_type, uint32_t start_height,
const uint256& stop_hash, uint32_t max_height_diff,
const CBlockIndex*& stop_index,
BlockFilterIndex*& filter_index);
+
+ /**
+ * Handle a cfilters request.
+ *
+ * May disconnect from the peer in the case of a bad request.
+ *
+ * @param[in] peer The peer that we received the request from
+ * @param[in] vRecv The raw message received
+ */
void ProcessGetCFilters(CNode& peer, CDataStream& vRecv);
+
+ /**
+ * Handle a cfheaders request.
+ *
+ * May disconnect from the peer in the case of a bad request.
+ *
+ * @param[in] peer The peer that we received the request from
+ * @param[in] vRecv The raw message received
+ */
void ProcessGetCFHeaders(CNode& peer, CDataStream& vRecv);
+
+ /**
+ * Handle a getcfcheckpt request.
+ *
+ * May disconnect from the peer in the case of a bad request.
+ *
+ * @param[in] peer The peer that we received the request from
+ * @param[in] vRecv The raw message received
+ */
void ProcessGetCFCheckPt(CNode& peer, CDataStream& vRecv);
};
} // namespace
@@ -741,7 +792,6 @@ static bool PeerHasHeader(CNodeState *state, const CBlockIndex *pindex) EXCLUSIV
return false;
}
-/** Check whether the last unknown block a peer advertised is not yet known. */
void PeerManagerImpl::ProcessBlockAvailability(NodeId nodeid) {
CNodeState *state = State(nodeid);
assert(state != nullptr);
@@ -757,7 +807,6 @@ void PeerManagerImpl::ProcessBlockAvailability(NodeId nodeid) {
}
}
-/** Update tracking information about which blocks a peer is assumed to have. */
void PeerManagerImpl::UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) {
CNodeState *state = State(nodeid);
assert(state != nullptr);
@@ -1182,16 +1231,6 @@ bool PeerManagerImpl::MaybePunishNodeForTx(NodeId nodeid, const TxValidationStat
return false;
}
-
-//////////////////////////////////////////////////////////////////////////////
-//
-// blockchain -> download logic notification
-//
-
-// To prevent fingerprinting attacks, only send blocks/headers outside of the
-// active chain if they are no more than a month older (both in time, and in
-// best equivalent proof of work) than the best header chain we know about and
-// we fully-validated them at some point.
bool PeerManagerImpl::BlockRequestAllowed(const CBlockIndex* pindex)
{
AssertLockHeld(cs_main);
@@ -2091,20 +2130,6 @@ void PeerManagerImpl::ProcessOrphanTx(std::set<uint256>& orphan_work_set)
m_mempool.check(m_chainman.ActiveChainstate());
}
-/**
- * Validation logic for compact filters request handling.
- *
- * May disconnect from the peer in the case of a bad request.
- *
- * @param[in] peer The peer that we received the request from
- * @param[in] filter_type The filter type the request is for. Must be basic filters.
- * @param[in] start_height The start height for the request
- * @param[in] stop_hash The stop_hash for the request
- * @param[in] max_height_diff The maximum number of items permitted to request, as specified in BIP 157
- * @param[out] stop_index The CBlockIndex for the stop_hash block, if the request can be serviced.
- * @param[out] filter_index The filter index, if the request can be serviced.
- * @return True if the request can be serviced.
- */
bool PeerManagerImpl::PrepareBlockFilterRequest(CNode& peer,
BlockFilterType filter_type, uint32_t start_height,
const uint256& stop_hash, uint32_t max_height_diff,
@@ -2158,14 +2183,6 @@ bool PeerManagerImpl::PrepareBlockFilterRequest(CNode& peer,
return true;
}
-/**
- * Handle a cfilters request.
- *
- * May disconnect from the peer in the case of a bad request.
- *
- * @param[in] peer The peer that we received the request from
- * @param[in] vRecv The raw message received
- */
void PeerManagerImpl::ProcessGetCFilters(CNode& peer, CDataStream& vRecv)
{
uint8_t filter_type_ser;
@@ -2197,14 +2214,6 @@ void PeerManagerImpl::ProcessGetCFilters(CNode& peer, CDataStream& vRecv)
}
}
-/**
- * Handle a cfheaders request.
- *
- * May disconnect from the peer in the case of a bad request.
- *
- * @param[in] peer The peer that we received the request from
- * @param[in] vRecv The raw message received
- */
void PeerManagerImpl::ProcessGetCFHeaders(CNode& peer, CDataStream& vRecv)
{
uint8_t filter_type_ser;
@@ -2249,14 +2258,6 @@ void PeerManagerImpl::ProcessGetCFHeaders(CNode& peer, CDataStream& vRecv)
m_connman.PushMessage(&peer, std::move(msg));
}
-/**
- * Handle a getcfcheckpt request.
- *
- * May disconnect from the peer in the case of a bad request.
- *
- * @param[in] peer The peer that we received the request from
- * @param[in] vRecv The raw message received
- */
void PeerManagerImpl::ProcessGetCFCheckPt(CNode& peer, CDataStream& vRecv)
{
uint8_t filter_type_ser;