bitcoinjs-lib/src/classify.js
2019-03-07 11:54:37 +09:00

75 lines
2.7 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const script_1 = require("./script");
const multisig = require("./templates/multisig");
const nullData = require("./templates/nulldata");
const pubKey = require("./templates/pubkey");
const pubKeyHash = require("./templates/pubkeyhash");
const scriptHash = require("./templates/scripthash");
const witnessCommitment = require("./templates/witnesscommitment");
const witnessPubKeyHash = require("./templates/witnesspubkeyhash");
const witnessScriptHash = require("./templates/witnessscripthash");
const types = {
P2MS: 'multisig',
NONSTANDARD: 'nonstandard',
NULLDATA: 'nulldata',
P2PK: 'pubkey',
P2PKH: 'pubkeyhash',
P2SH: 'scripthash',
P2WPKH: 'witnesspubkeyhash',
P2WSH: 'witnessscripthash',
WITNESS_COMMITMENT: 'witnesscommitment',
};
exports.types = types;
function classifyOutput(script) {
if (witnessPubKeyHash.output.check(script))
return types.P2WPKH;
if (witnessScriptHash.output.check(script))
return types.P2WSH;
if (pubKeyHash.output.check(script))
return types.P2PKH;
if (scriptHash.output.check(script))
return types.P2SH;
// XXX: optimization, below functions .decompile before use
const chunks = script_1.decompile(script);
if (!chunks)
throw new TypeError('Invalid script');
if (multisig.output.check(chunks))
return types.P2MS;
if (pubKey.output.check(chunks))
return types.P2PK;
if (witnessCommitment.output.check(chunks))
return types.WITNESS_COMMITMENT;
if (nullData.output.check(chunks))
return types.NULLDATA;
return types.NONSTANDARD;
}
exports.output = classifyOutput;
function classifyInput(script, allowIncomplete) {
// XXX: optimization, below functions .decompile before use
const chunks = script_1.decompile(script);
if (!chunks)
throw new TypeError('Invalid script');
if (pubKeyHash.input.check(chunks))
return types.P2PKH;
if (scriptHash.input.check(chunks, allowIncomplete))
return types.P2SH;
if (multisig.input.check(chunks, allowIncomplete))
return types.P2MS;
if (pubKey.input.check(chunks))
return types.P2PK;
return types.NONSTANDARD;
}
exports.input = classifyInput;
function classifyWitness(script, allowIncomplete) {
// XXX: optimization, below functions .decompile before use
const chunks = script_1.decompile(script);
if (!chunks)
throw new TypeError('Invalid script');
if (witnessPubKeyHash.input.check(chunks))
return types.P2WPKH;
if (witnessScriptHash.input.check(chunks, allowIncomplete))
return types.P2WSH;
return types.NONSTANDARD;
}
exports.witness = classifyWitness;