env: lazily load modules.
This commit is contained in:
Christopher Jeffrey
parent
56fdeec35c
commit
ad46d3e243
@ -9,6 +9,8 @@ var scriptTypes = constants.scriptTypes;
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var bench = require('./bench');
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var fs = require('fs');
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bcoin.cache();
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var wtx = fs.readFileSync(__dirname + '/../test/data/wtx.hex', 'utf8');
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wtx = bcoin.tx.fromRaw(wtx.trim(), 'hex');
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@ -9,6 +9,8 @@ var scriptTypes = constants.scriptTypes;
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var bench = require('./bench');
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var fs = require('fs');
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bcoin.cache();
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var block = bcoin.block.fromJSON(require('../test/data/block300025.json'));
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var btx = block.txs[397];
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@ -8,6 +8,8 @@ var assert = require('assert');
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var scriptTypes = constants.scriptTypes;
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var bench = require('./bench');
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bcoin.cache();
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var dummyInput = {
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prevout: {
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hash: constants.NULL_HASH,
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281
lib/env.js
281
lib/env.js
@ -108,111 +108,116 @@ var global = utils.global;
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function Environment() {
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this.env = Environment;
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this.bn = require('bn.js');
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// BN
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this.require('bn', 'bn.js');
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// Protocol
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this.constants = require('./protocol/constants');
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this.networks = require('./protocol/networks');
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this.network = require('./protocol/network');
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this.require('constants', './protocol/constants');
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this.require('networks', './protocol/networks');
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this.require('network', './protocol/network');
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// Utils
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this.utils = require('./utils/utils');
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this.locker = require('./utils/locker');
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this.reader = require('./utils/reader');
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this.writer = require('./utils/writer');
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this.lru = require('./utils/lru');
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this.uri = require('./utils/uri');
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this.errors = require('./utils/errors');
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this.require('utils', './utils/utils');
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this.require('locker', './utils/locker');
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this.require('reader', './utils/reader');
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this.require('writer', './utils/writer');
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this.require('lru', './utils/lru');
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this.require('uri', './utils/uri');
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this.require('errors', './utils/errors');
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// Crypto
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this.ec = require('./crypto/ec');
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this.crypto = require('./crypto/crypto');
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this.chachapoly = require('./crypto/chachapoly');
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this.scrypt = require('./crypto/scrypt');
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this.siphash = require('./crypto/siphash');
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this.require('ec', './crypto/ec');
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this.require('crypto', './crypto/crypto');
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this.require('chachapoly', './crypto/chachapoly');
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this.require('scrypt', './crypto/scrypt');
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this.require('siphash', './crypto/siphash');
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// DB
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this.lowlevelup = require('./db/lowlevelup');
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this.ldb = require('./db/ldb');
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this.rbt = require('./db/rbt');
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this.require('lowlevelup', './db/lowlevelup');
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this.require('ldb', './db/ldb');
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this.require('rbt', './db/rbt');
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// Script
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this.script = require('./script/script');
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this.opcode = require('./script/opcode');
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this.stack = require('./script/stack');
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this.witness = require('./script/witness');
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this.program = require('./script/program');
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this.sc = require('./script/sigcache');
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this.require('script', './script/script');
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this.require('opcode', './script/opcode');
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this.require('stack', './script/stack');
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this.require('witness', './script/witness');
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this.require('program', './script/program');
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this.require('sc', './script/sigcache');
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// Primitives
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this.bloom = require('./primitives/bloom');
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this.address = require('./primitives/address');
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this.outpoint = require('./primitives/outpoint');
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this.input = require('./primitives/input');
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this.output = require('./primitives/output');
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this.coin = require('./primitives/coin');
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this.invitem = require('./primitives/invitem');
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this.tx = require('./primitives/tx');
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this.mtx = require('./primitives/mtx');
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this.abstractblock = require('./primitives/abstractblock');
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this.memblock = require('./primitives/memblock');
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this.block = require('./primitives/block');
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this.merkleblock = require('./primitives/merkleblock');
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this.headers = require('./primitives/headers');
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this.keyring = require('./primitives/keyring');
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this.require('bloom', './primitives/bloom');
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this.require('address', './primitives/address');
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this.require('outpoint', './primitives/outpoint');
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this.require('input', './primitives/input');
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this.require('output', './primitives/output');
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this.require('coin', './primitives/coin');
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this.require('invitem', './primitives/invitem');
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this.require('tx', './primitives/tx');
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this.require('mtx', './primitives/mtx');
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this.require('abstractblock', './primitives/abstractblock');
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this.require('memblock', './primitives/memblock');
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this.require('block', './primitives/block');
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this.require('merkleblock', './primitives/merkleblock');
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this.require('headers', './primitives/headers');
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this.require('keyring', './primitives/keyring');
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// HD
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this.hd = require('./hd/hd');
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this.require('hd', './hd/hd');
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// Node
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this.logger = require('./node/logger');
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this.config = require('./node/config');
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this.node = require('./node/node');
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this.spvnode = require('./node/spvnode');
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this.fullnode = require('./node/fullnode');
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this.require('logger', './node/logger');
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this.require('config', './node/config');
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this.require('node', './node/node');
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this.require('spvnode', './node/spvnode');
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this.require('fullnode', './node/fullnode');
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// Net
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this.timedata = require('./net/timedata');
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this.packets = require('./net/packets');
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this.bip150 = require('./net/bip150');
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this.bip151 = require('./net/bip151');
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this.bip152 = require('./net/bip152');
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this.peer = require('./net/peer');
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this.pool = require('./net/pool');
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this.require('timedata', './net/timedata');
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this.require('packets', './net/packets');
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this.require('bip150', './net/bip150');
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this.require('bip151', './net/bip151');
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this.require('bip152', './net/bip152');
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this.require('peer', './net/peer');
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this.require('pool', './net/pool');
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// Chain
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this.coins = require('./chain/coins');
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this.coinview = require('./chain/coinview');
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this.chainentry = require('./chain/chainentry');
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this.chaindb = require('./chain/chaindb');
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this.chain = require('./chain/chain');
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this.require('coins', './chain/coins');
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this.require('coinview', './chain/coinview');
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this.require('chainentry', './chain/chainentry');
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this.require('chaindb', './chain/chaindb');
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this.require('chain', './chain/chain');
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// Mempool
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this.fees = require('./mempool/fees');
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this.mempool = require('./mempool/mempool');
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this.mempoolentry = this.mempool.MempoolEntry;
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this.require('fees', './mempool/fees');
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this.require('mempool', './mempool/mempool');
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this.expose('mempoolentry', 'mempool', 'MempoolEntry');
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// Miner
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this.miner = require('./miner/miner');
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this.minerblock = require('./miner/minerblock');
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this.require('miner', './miner/miner');
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this.require('minerblock', './miner/minerblock');
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// Wallet
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this.wallet = require('./wallet/wallet');
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this.account = require('./wallet/account');
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this.walletdb = require('./wallet/walletdb');
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this.path = require('./wallet/path');
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this.require('wallet', './wallet/wallet');
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this.require('account', './wallet/account');
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this.require('walletdb', './wallet/walletdb');
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this.require('path', './wallet/path');
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// HTTP
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this.http = require('./http');
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this.require('http', './http');
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// Workers
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this.workers = require('./workers/workers');
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this.require('workers', './workers/workers');
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// Horrible BIP
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this.require('bip70', './bip70/bip70');
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// Global Instances
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this.sigcache = new this.sc(0);
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this.time = new this.timedata();
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this.defaultLogger = new this.logger('none');
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this.workerPool = new this.workers();
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this.instance('sigcache', 'sc', 0);
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this.instance('time', 'timedata');
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this.instance('defaultLogger', 'logger', 'none');
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this.instance('workerPool', 'workers');
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// Global Worker Properties
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this.useWorkers = false;
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@ -228,6 +233,53 @@ function Environment() {
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});
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}
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/**
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* Assign a lazily required module.
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* @param {String} key
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* @param {String} path
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*/
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Environment.prototype.require = function _require(key, path) {
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var cache;
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this.__defineGetter__(key, function() {
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if (!cache)
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cache = require(path);
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return cache;
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});
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};
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/**
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* Assign a property for a lazily required module.
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* @param {String} key
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* @param {String} object
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* @param {String} property
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*/
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Environment.prototype.expose = function expose(key, object, property) {
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var cache;
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this.__defineGetter__(key, function() {
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if (!cache)
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cache = this[object][property];
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return cache;
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});
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};
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/**
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* Assign an object instance for a lazily assigned property.
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* @param {String} key
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* @param {String} object
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* @param {String} property
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*/
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Environment.prototype.instance = function instance(key, object, arg) {
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var cache;
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this.__defineGetter__(key, function() {
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if (!cache)
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cache = new this[object](arg);
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return cache;
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});
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};
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/**
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* Set the default network.
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* @param {String} options
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@ -272,12 +324,95 @@ Environment.prototype.now = function now() {
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return this.time.now();
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};
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/**
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* Cache all necessary modules.
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* Used for benchmarks and browserify.
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*/
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Environment.prototype.cache = function cache() {
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require('bn.js');
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require('./protocol/constants');
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require('./protocol/networks');
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require('./protocol/network');
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require('./utils/utils');
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require('./utils/locker');
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require('./utils/reader');
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require('./utils/writer');
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require('./utils/lru');
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require('./utils/uri');
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require('./utils/errors');
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require('./crypto/ec');
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require('./crypto/crypto');
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require('./crypto/chachapoly');
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require('./crypto/scrypt');
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require('./crypto/siphash');
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require('./db/lowlevelup');
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require('./db/ldb');
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require('./db/rbt');
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require('./script/script');
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require('./script/opcode');
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require('./script/stack');
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require('./script/witness');
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require('./script/program');
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require('./script/sigcache');
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require('./primitives/bloom');
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require('./primitives/address');
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require('./primitives/outpoint');
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require('./primitives/input');
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require('./primitives/output');
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require('./primitives/coin');
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require('./primitives/invitem');
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require('./primitives/tx');
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require('./primitives/mtx');
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require('./primitives/abstractblock');
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require('./primitives/memblock');
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require('./primitives/block');
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require('./primitives/merkleblock');
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require('./primitives/headers');
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require('./primitives/keyring');
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require('./hd/hd');
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require('./node/logger');
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require('./node/config');
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require('./node/node');
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require('./node/spvnode');
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require('./node/fullnode');
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require('./net/timedata');
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require('./net/packets');
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require('./net/bip150');
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require('./net/bip151');
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require('./net/bip152');
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require('./net/peer');
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require('./net/pool');
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require('./chain/coins');
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require('./chain/coinview');
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require('./chain/chainentry');
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require('./chain/chaindb');
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require('./chain/chain');
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require('./mempool/fees');
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require('./mempool/mempool');
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require('./miner/miner');
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require('./miner/minerblock');
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require('./wallet/wallet');
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require('./wallet/account');
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require('./wallet/walletdb');
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require('./wallet/path');
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require('./http');
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require('./workers/workers');
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require('./bip70/bip70');
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};
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/*
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* Expose by converting `exports` to an
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* Environment.
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*/
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exports.require = Environment.prototype.require;
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exports.expose = Environment.prototype.expose;
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exports.instance = Environment.prototype.instance;
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exports.cache = Environment.prototype.cache;
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exports.set = Environment.prototype.set;
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exports.now = Environment.prototype.now;
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Environment.call(exports);
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utils.fastProp(exports);
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