102 lines
4.6 KiB
C++
102 lines
4.6 KiB
C++
/*
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* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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*
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* 1. Any modified source or binaries are used only with the BitShares network.
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*
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* 2. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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*
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* 3. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#define GRAPHENE_NET_PROTOCOL_VERSION 106
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/**
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* Define this to enable debugging code in the p2p network interface.
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* This is code that would never be executed in normal operation, but is
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* used for automated testing (creating artificial net splits,
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* tracking where messages came from and when)
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*/
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#define ENABLE_P2P_DEBUGGING_API 1
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/**
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* 2MiB
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*/
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#define MAX_MESSAGE_SIZE 1024*1024*2
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#define GRAPHENE_NET_DEFAULT_PEER_CONNECTION_RETRY_TIME 30 // seconds
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/**
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* AFter trying all peers, how long to wait before we check to
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* see if there are peers we can try again.
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*/
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#define GRAPHENE_PEER_DATABASE_RETRY_DELAY 15 // seconds
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#define GRAPHENE_NET_PEER_HANDSHAKE_INACTIVITY_TIMEOUT 5
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#define GRAPHENE_NET_PEER_DISCONNECT_TIMEOUT 20
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#define GRAPHENE_NET_TEST_SEED_IP "104.236.44.210" // autogenerated
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#define GRAPHENE_NET_TEST_P2P_PORT 1700
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#define GRAPHENE_NET_DEFAULT_P2P_PORT 1776
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#define GRAPHENE_NET_DEFAULT_DESIRED_CONNECTIONS 20
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#define GRAPHENE_NET_DEFAULT_MAX_CONNECTIONS 200
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#define GRAPHENE_NET_MAXIMUM_QUEUED_MESSAGES_IN_BYTES (1024 * 1024)
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/**
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* When we receive a message from the network, we advertise it to
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* our peers and save a copy in a cache were we will find it if
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* a peer requests it. We expire out old items out of the cache
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* after this number of blocks go by.
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*
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* Recently lowered from 30 to match the default expiration time
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* the web wallet imposes on transactions.
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*/
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#define GRAPHENE_NET_MESSAGE_CACHE_DURATION_IN_BLOCKS 5
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/**
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* We prevent a peer from offering us a list of blocks which, if we fetched them
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* all, would result in a blockchain that extended into the future.
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* This parameter gives us some wiggle room, allowing a peer to give us blocks
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* that would put our blockchain up to an hour in the future, just in case
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* our clock is a bit off.
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*/
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#define GRAPHENE_NET_FUTURE_SYNC_BLOCKS_GRACE_PERIOD_SEC (60 * 60)
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#define GRAPHENE_NET_MAX_INVENTORY_SIZE_IN_MINUTES 2
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#define GRAPHENE_NET_MAX_BLOCKS_PER_PEER_DURING_SYNCING 200
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/**
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* During normal operation, how many items will be fetched from each
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* peer at a time. This will only come into play when the network
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* is being flooded -- typically transactions will be fetched as soon
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* as we find out about them, so only one item will be requested
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* at a time.
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*
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* No tests have been done to find the optimal value for this
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* parameter, so consider increasing or decreasing it if performance
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* during flooding is lacking.
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*/
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#define GRAPHENE_NET_MAX_ITEMS_PER_PEER_DURING_NORMAL_OPERATION 1
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/**
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* Instead of fetching all item IDs from a peer, then fetching all blocks
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* from a peer, we will interleave them. Fetch at least this many block IDs,
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* then switch into block-fetching mode until the number of blocks we know about
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* but haven't yet fetched drops below this
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*/
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#define GRAPHENE_NET_MIN_BLOCK_IDS_TO_PREFETCH 10000
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#define GRAPHENE_NET_MAX_TRX_PER_SECOND 1000
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