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Increase duration of message cache from two blocks (which in practice meant anything > 1 block) to 30 blocks, and move the constant to config.hpp

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Eric Frias 2015-09-02 17:25:52 -04:00
parent cb2c5945b3
commit 5662a8423c
2 changed files with 9 additions and 1 deletions
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8
libraries/net/include/graphene/net/config.hpp
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@ -51,6 +51,14 @@
#define GRAPHENE_NET_MAXIMUM_QUEUED_MESSAGES_IN_BYTES (1024 * 1024) #define GRAPHENE_NET_MAXIMUM_QUEUED_MESSAGES_IN_BYTES (1024 * 1024)
/**
* When we receive a message from the network, we advertise it to
* our peers and save a copy in a cache were we will find it if
* a peer requests it. We expire out old items out of the cache
* after this number of blocks go by.
*/
#define GRAPHENE_NET_MESSAGE_CACHE_DURATION_IN_BLOCKS 30
/** /**
* We prevent a peer from offering us a list of blocks which, if we fetched them * We prevent a peer from offering us a list of blocks which, if we fetched them
* all, would result in a blockchain that extended into the future. * all, would result in a blockchain that extended into the future.

2
libraries/net/node.cpp
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@ -120,7 +120,7 @@ namespace graphene { namespace net {
class blockchain_tied_message_cache class blockchain_tied_message_cache
{ {
private: private:
static const uint32_t cache_duration_in_blocks = 2; static const uint32_t cache_duration_in_blocks = GRAPHENE_NET_MESSAGE_CACHE_DURATION_IN_BLOCKS;
struct message_hash_index{}; struct message_hash_index{};
struct message_contents_hash_index{}; struct message_contents_hash_index{};