f9a2b22456
This commit updates the documenation on two constants in the net common
file. The first is the required services which are now only NETWORK and
not NETWORK and SEGWIT. The second is an update to the maximum message
size. The max message size was updated from 4mb to 8mb in commit: 4c56689941
173 lines
2.4 KiB
JavaScript
173 lines
2.4 KiB
JavaScript
/*!
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* common.js - p2p constants for hsd
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* Copyright (c) 2017-2018, Christopher Jeffrey (MIT License).
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* https://github.com/handshake-org/hsd
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*/
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'use strict';
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/**
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* @module net/common
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*/
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const random = require('bcrypto/lib/random');
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const pkg = require('../pkg');
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/**
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* Default protocol version.
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* @const {Number}
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* @default
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*/
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exports.PROTOCOL_VERSION = 1;
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/**
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* Minimum protocol version we're willing to talk to.
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* @const {Number}
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* @default
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*/
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exports.MIN_VERSION = 1;
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/**
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* Service bits.
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* @enum {Number}
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* @default
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*/
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exports.services = {
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/**
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* Whether network services are enabled.
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*/
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NETWORK: 1 << 0,
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/**
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* Whether the peer supports BIP37.
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*/
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BLOOM: 1 << 1
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};
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/**
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* Our node's services (we support everything).
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* @const {Number}
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* @default
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*/
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exports.LOCAL_SERVICES = 0
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| exports.services.NETWORK;
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/**
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* Required services (network).
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* @const {Number}
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* @default
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*/
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exports.REQUIRED_SERVICES = 0
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| exports.services.NETWORK;
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/**
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* Default user agent: `/[pkg.name]:[version]/`.
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* @const {String}
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* @default
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*/
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exports.USER_AGENT = `/${pkg.name}:${pkg.version}/`;
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/**
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* Max message size (~8mb)
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* @const {Number}
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* @default
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*/
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exports.MAX_MESSAGE = 8 * 1000 * 1000;
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/**
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* Amount of time to ban misbheaving peers.
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* @const {Number}
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* @default
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*/
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exports.BAN_TIME = 24 * 60 * 60;
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/**
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* Ban score threshold before ban is placed in effect.
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* @const {Number}
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* @default
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*/
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exports.BAN_SCORE = 100;
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/**
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* Create a nonce.
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* @returns {Buffer}
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*/
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exports.nonce = function nonce() {
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return random.randomBytes(8);
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};
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/**
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* A compressed pubkey of all zeroes.
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* @const {Buffer}
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* @default
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*/
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exports.ZERO_KEY = Buffer.alloc(33, 0x00);
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/**
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* A 64 byte signature of all zeroes.
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* @const {Buffer}
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* @default
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*/
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exports.ZERO_SIG = Buffer.alloc(64, 0x00);
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/**
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* 8 zero bytes.
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* @const {Buffer}
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* @default
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*/
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exports.ZERO_NONCE = Buffer.alloc(8, 0x00);
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/**
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* Maximum inv/getdata size.
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* @const {Number}
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* @default
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*/
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exports.MAX_INV = 50000;
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/**
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* Maximum number of requests.
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* @const {Number}
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* @default
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*/
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exports.MAX_REQUEST = 5000;
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/**
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* Maximum number of block requests.
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* @const {Number}
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* @default
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*/
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exports.MAX_BLOCK_REQUEST = 50000 + 1000;
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/**
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* Maximum number of tx requests.
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* @const {Number}
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* @default
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*/
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exports.MAX_TX_REQUEST = 10000;
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/**
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* Maximum number of claim requests.
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* @const {Number}
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* @default
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*/
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exports.MAX_CLAIM_REQUEST = 1000;
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