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fcoin/lib/bcoin/protocol/constants.js
Christopher Jeffrey 7b3b0695c3 serve merkleblocks.
2016-04-03 23:44:39 -07:00

351 lines
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/**
* constants.js - bitcoin constants for bcoin
* Copyright (c) 2014-2015, Fedor Indutny (MIT License)
* https://github.com/indutny/bcoin
*/
var bn = require('bn.js');
var utils = require('../utils');
exports.minVersion = 70001;
exports.version = 70012;
// exports.maxMessage = 2 * 1024 * 1024; // main
exports.maxMessage = 4 * 1000 * 1000; // segwit
exports.services = {
network: (1 << 0),
getutxo: (1 << 1),
bloom: (1 << 2),
witness: (1 << 3)
};
exports.localServices = exports.services.network
| exports.services.witness;
exports.inv = {
error: 0,
tx: 1,
block: 2,
filteredblock: 3,
witnesstx: 1 | (1 << 30),
witnessblock: 2 | (1 << 30),
witnessfilteredblock: 3 | (1 << 30)
};
exports.invByVal = utils.revMap(exports.inv);
exports.invWitnessMask = 1 << 30;
exports.filterFlags = {
none: 0,
all: 1,
pubkeyOnly: 2
};
exports.filterFlagsByVal = utils.revMap(exports.filterFlags);
exports.opcodes = {
OP_FALSE: 0x00,
OP_0: 0x00,
OP_PUSHDATA1: 0x4c,
OP_PUSHDATA2: 0x4d,
OP_PUSHDATA4: 0x4e,
OP_1NEGATE: 0x4f,
OP_RESERVED: 0x50,
OP_TRUE: 0x51,
OP_1: 0x51,
OP_2: 0x52,
OP_3: 0x53,
OP_4: 0x54,
OP_5: 0x55,
OP_6: 0x56,
OP_7: 0x57,
OP_8: 0x58,
OP_9: 0x59,
OP_10: 0x5a,
OP_11: 0x5b,
OP_12: 0x5c,
OP_13: 0x5d,
OP_14: 0x5e,
OP_15: 0x5f,
OP_16: 0x60,
OP_NOP: 0x61,
OP_VER: 0x62,
OP_IF: 0x63,
OP_NOTIF: 0x64,
OP_VERIF: 0x65,
OP_VERNOTIF: 0x66,
OP_ELSE: 0x67,
OP_ENDIF: 0x68,
OP_VERIFY: 0x69,
OP_RETURN: 0x6a,
OP_TOALTSTACK: 0x6b,
OP_FROMALTSTACK: 0x6c,
OP_2DROP: 0x6d,
OP_2DUP: 0x6e,
OP_3DUP: 0x6f,
OP_2OVER: 0x70,
OP_2ROT: 0x71,
OP_2SWAP: 0x72,
OP_IFDUP: 0x73,
OP_DEPTH: 0x74,
OP_DROP: 0x75,
OP_DUP: 0x76,
OP_NIP: 0x77,
OP_OVER: 0x78,
OP_PICK: 0x79,
OP_ROLL: 0x7a,
OP_ROT: 0x7b,
OP_SWAP: 0x7c,
OP_TUCK: 0x7d,
OP_CAT: 0x7e,
OP_SUBSTR: 0x7f,
OP_LEFT: 0x80,
OP_RIGHT: 0x81,
OP_SIZE: 0x82,
OP_INVERT: 0x83,
OP_AND: 0x84,
OP_OR: 0x85,
OP_XOR: 0x86,
OP_EQUAL: 0x87,
OP_EQUALVERIFY: 0x88,
OP_RESERVED1: 0x89,
OP_RESERVED2: 0x8a,
OP_1ADD: 0x8b,
OP_1SUB: 0x8c,
OP_2MUL: 0x8d,
OP_2DIV: 0x8e,
OP_NEGATE: 0x8f,
OP_ABS: 0x90,
OP_NOT: 0x91,
OP_0NOTEQUAL: 0x92,
OP_ADD: 0x93,
OP_SUB: 0x94,
OP_MUL: 0x95,
OP_DIV: 0x96,
OP_MOD: 0x97,
OP_LSHIFT: 0x98,
OP_RSHIFT: 0x99,
OP_BOOLAND: 0x9a,
OP_BOOLOR: 0x9b,
OP_NUMEQUAL: 0x9c,
OP_NUMEQUALVERIFY: 0x9d,
OP_NUMNOTEQUAL: 0x9e,
OP_LESSTHAN: 0x9f,
OP_GREATERTHAN: 0xa0,
OP_LESSTHANOREQUAL: 0xa1,
OP_GREATERTHANOREQUAL: 0xa2,
OP_MIN: 0xa3,
OP_MAX: 0xa4,
OP_WITHIN: 0xa5,
OP_RIPEMD160: 0xa6,
OP_SHA1: 0xa7,
OP_SHA256: 0xa8,
OP_HASH160: 0xa9,
OP_HASH256: 0xaa,
OP_CODESEPARATOR: 0xab,
OP_CHECKSIG: 0xac,
OP_CHECKSIGVERIFY: 0xad,
OP_CHECKMULTISIG: 0xae,
OP_CHECKMULTISIGVERIFY: 0xaf,
OP_EVAL: 0xb0,
OP_NOP1: 0xb0,
OP_NOP2: 0xb1,
OP_CHECKLOCKTIMEVERIFY: 0xb1,
OP_NOP3: 0xb2,
OP_CHECKSEQUENCEVERIFY: 0xb2,
OP_NOP4: 0xb3,
OP_NOP5: 0xb4,
OP_NOP6: 0xb5,
OP_NOP7: 0xb6,
OP_NOP8: 0xb7,
OP_NOP9: 0xb8,
OP_NOP10: 0xb9,
OP_PUBKEYHASH: 0xfd,
OP_PUBKEY: 0xfe,
OP_INVALIDOPCODE: 0xff
};
exports.opcodesByVal = utils.revMap(exports.opcodes);
exports.coin = new bn(10000000).muln(10);
exports.cent = new bn(1000000);
exports.maxMoney = new bn(21000000).mul(exports.coin);
exports.hashType = {
all: 1,
none: 2,
single: 3,
anyonecanpay: 0x80
};
exports.hashTypeByVal = utils.revMap(exports.hashType);
exports.block = {
maxSize: 1000000,
maxSigops: 1000000 / 50,
maxOrphanTx: 1000000 / 100,
medianTimespan: 11,
bip16time: 1333238400,
sighashLimit: 1300000000
};
exports.tx = {
version: 2,
maxSize: 100000,
minFee: 10000,
bareMultisig: true,
freeThreshold: exports.coin.muln(144).divn(250),
maxSigops: exports.block.maxSigops / 5,
coinbaseMaturity: 100
};
exports.tx.dustThreshold = 182 * exports.tx.minFee / 1000 * 3;
exports.script = {
maxSize: 10000,
maxStack: 1000,
maxPush: 520,
maxOps: 201,
maxPubkeysPerMultisig: 20,
maxScripthashSigops: 15,
maxOpReturnBytes: 83,
maxOpReturn: 80
};
exports.reject = {
malformed: 0x01,
invalid: 0x10,
obsolete: 0x11,
duplicate: 0x12,
nonstandard: 0x40,
dust: 0x41,
insufficientfee: 0x42,
checkpoint: 0x43,
// Internal codes (NOT FOR USE ON NETWORK)
internal: 0x100,
highfee: 0x100,
alreadyknown: 0x101,
conflict: 0x102
};
exports.rejectByVal = utils.revMap(exports.reject);
exports.hd = {
hardened: 0x80000000,
maxIndex: 2 * 0x80000000,
minEntropy: 128 / 8,
maxEntropy: 512 / 8,
parentFingerPrintSize: 4,
pathRoots: ['m', 'M', 'm\'', 'M\'']
};
exports.locktimeThreshold = 500000000; // Tue Nov 5 00:53:20 1985 UTC
exports.sequenceLocktimeDisableFlag = (1 << 31) >>> 0;
exports.sequenceLocktimeTypeFlag = 1 << 22;
exports.sequenceLocktimeGranularity = 9;
exports.sequenceLocktimeMask = 0x0000ffff;
exports.oneHash = new Buffer(
'0000000000000000000000000000000000000000000000000000000000000001',
'hex'
);
exports.zeroHash = new Buffer(
'0000000000000000000000000000000000000000000000000000000000000000',
'hex'
);
exports.nullHash =
'0000000000000000000000000000000000000000000000000000000000000000';
exports.userVersion = require('../../../package.json').version;
exports.userAgent = '/bcoin:' + exports.userVersion + '/';
exports.banTime = 24 * 60 * 60;
exports.banScore = 100;
// Script and locktime flags
exports.flags = {
VERIFY_NONE: 0,
VERIFY_P2SH: (1 << 0),
VERIFY_STRICTENC: (1 << 1),
VERIFY_DERSIG: (1 << 2),
VERIFY_LOW_S: (1 << 3),
VERIFY_NULLDUMMY: (1 << 4),
VERIFY_SIGPUSHONLY: (1 << 5),
VERIFY_MINIMALDATA: (1 << 6),
VERIFY_DISCOURAGE_UPGRADABLE_NOPS: (1 << 7),
VERIFY_CLEANSTACK: (1 << 8),
VERIFY_CHECKLOCKTIMEVERIFY: (1 << 9),
VERIFY_CHECKSEQUENCEVERIFY: (1 << 10),
VERIFY_WITNESS: (1 << 11),
VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM: (1 << 12),
VERIFY_SEQUENCE: (1 << 0),
MEDIAN_TIME_PAST: (1 << 1)
};
// Block validation
exports.flags.MANDATORY_VERIFY_FLAGS = exports.flags.VERIFY_P2SH;
// Mempool validation
exports.flags.STANDARD_VERIFY_FLAGS =
exports.flags.MANDATORY_VERIFY_FLAGS
| exports.flags.VERIFY_DERSIG
| exports.flags.VERIFY_STRICTENC
| exports.flags.VERIFY_MINIMALDATA
| exports.flags.VERIFY_NULLDUMMY
| exports.flags.VERIFY_DISCOURAGE_UPGRADABLE_NOPS
| exports.flags.VERIFY_CLEANSTACK
| exports.flags.VERIFY_CHECKLOCKTIMEVERIFY
| exports.flags.VERIFY_LOW_S
| exports.flags.VERIFY_CHECKSEQUENCEVERIFY;
// | exports.flags.VERIFY_WITNESS
// | exports.flags.VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM
exports.flags.MANDATORY_LOCKTIME_FLAGS = 0;
exports.flags.STANDARD_LOCKTIME_FLAGS =
exports.flags.VERIFY_SEQUENCE
| exports.flags.MEDIAN_TIME_PAST;
exports.versionbits = {
// What block version to use for new blocks (pre versionbits)
LAST_OLD_BLOCK_VERSION: 4,
// What bits to set in version for versionbits blocks
TOP_BITS: 0x20000000,
// What bitmask determines whether versionbits is in use
TOP_MASK: 0xe0000000
};
exports.thresholdStates = {
DEFINED: 0,
STARTED: 1,
LOCKED_IN: 2,
ACTIVE: 3,
FAILED: 4
};
// bitcoinj style confidence calculation
exports.confidence = {
BUILDING: 1,
PENDING: 2,
DEAD: 4,
INCONFLICT: 5,
UNKNOWN: 0
};
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