style: apply prettier
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d-yokoi
parent
c74ab67ccf
commit
03632f1507
24 changed files with 2321 additions and 1958 deletions
ts_src/payments
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@ -1,141 +1,165 @@
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import { Payment, PaymentOpts } from './index' // eslint-disable-line
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import * as bscript from '../script'
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import * as lazy from './lazy'
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import { bitcoin as BITCOIN_NETWORK } from '../networks'
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const OPS = bscript.OPS
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const typef = require('typeforce')
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const ecc = require('tiny-secp256k1')
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import { Payment, PaymentOpts } from './index'; // eslint-disable-line
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import * as bscript from '../script';
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import * as lazy from './lazy';
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import { bitcoin as BITCOIN_NETWORK } from '../networks';
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const OPS = bscript.OPS;
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const typef = require('typeforce');
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const ecc = require('tiny-secp256k1');
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const OP_INT_BASE = OPS.OP_RESERVED // OP_1 - 1
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const OP_INT_BASE = OPS.OP_RESERVED; // OP_1 - 1
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function stacksEqual (a: Array<Buffer>, b: Array<Buffer>): boolean {
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if (a.length !== b.length) return false
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function stacksEqual(a: Array<Buffer>, b: Array<Buffer>): boolean {
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if (a.length !== b.length) return false;
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return a.every(function (x, i) {
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return x.equals(b[i])
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})
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return a.every(function(x, i) {
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return x.equals(b[i]);
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});
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}
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// input: OP_0 [signatures ...]
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// output: m [pubKeys ...] n OP_CHECKMULTISIG
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export function p2ms (a: Payment, opts?: PaymentOpts): Payment {
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export function p2ms(a: Payment, opts?: PaymentOpts): Payment {
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if (
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!a.input &&
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!a.output &&
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!(a.pubkeys && a.m !== undefined) &&
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!a.signatures
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) throw new TypeError('Not enough data')
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opts = Object.assign({ validate: true }, opts || {})
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)
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throw new TypeError('Not enough data');
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opts = Object.assign({ validate: true }, opts || {});
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function isAcceptableSignature (x: Buffer | number) {
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return bscript.isCanonicalScriptSignature(<Buffer>x) ||
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(opts!.allowIncomplete &&
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(<number> x === OPS.OP_0)) !== undefined // eslint-disable-line
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function isAcceptableSignature(x: Buffer | number) {
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return (
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bscript.isCanonicalScriptSignature(<Buffer>x) ||
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(opts!.allowIncomplete && <number>x === OPS.OP_0) !== undefined
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); // eslint-disable-line
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}
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typef({
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network: typef.maybe(typef.Object),
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m: typef.maybe(typef.Number),
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n: typef.maybe(typef.Number),
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output: typef.maybe(typef.Buffer),
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pubkeys: typef.maybe(typef.arrayOf(ecc.isPoint)),
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typef(
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{
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network: typef.maybe(typef.Object),
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m: typef.maybe(typef.Number),
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n: typef.maybe(typef.Number),
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output: typef.maybe(typef.Buffer),
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pubkeys: typef.maybe(typef.arrayOf(ecc.isPoint)),
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signatures: typef.maybe(typef.arrayOf(isAcceptableSignature)),
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input: typef.maybe(typef.Buffer)
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}, a)
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signatures: typef.maybe(typef.arrayOf(isAcceptableSignature)),
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input: typef.maybe(typef.Buffer),
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},
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a,
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);
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const network = a.network || BITCOIN_NETWORK
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const o: Payment = { network }
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const network = a.network || BITCOIN_NETWORK;
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const o: Payment = { network };
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let chunks: Array<Buffer | number> = []
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let decoded = false
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function decode (output: Buffer | Array<Buffer | number>): void {
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if (decoded) return
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decoded = true
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chunks = <Array<Buffer | number>>bscript.decompile(output)
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o.m = <number> chunks[0] - OP_INT_BASE // eslint-disable-line
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o.n = <number> chunks[chunks.length - 2] - OP_INT_BASE // eslint-disable-line
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o.pubkeys = <Array<Buffer>>chunks.slice(1, -2)
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let chunks: Array<Buffer | number> = [];
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let decoded = false;
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function decode(output: Buffer | Array<Buffer | number>): void {
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if (decoded) return;
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decoded = true;
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chunks = <Array<Buffer | number>>bscript.decompile(output);
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o.m = <number>chunks[0] - OP_INT_BASE; // eslint-disable-line
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o.n = <number>chunks[chunks.length - 2] - OP_INT_BASE; // eslint-disable-line
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o.pubkeys = <Array<Buffer>>chunks.slice(1, -2);
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}
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lazy.prop(o, 'output', function () {
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if (!a.m) return
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if (!o.n) return
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if (!a.pubkeys) return
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return bscript.compile((<Array<Buffer | number>>[]).concat(
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OP_INT_BASE + a.m,
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a.pubkeys,
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OP_INT_BASE + o.n,
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OPS.OP_CHECKMULTISIG
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))
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})
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lazy.prop(o, 'm', function () {
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if (!o.output) return
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decode(o.output)
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return o.m
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})
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lazy.prop(o, 'n', function () {
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if (!o.pubkeys) return
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return o.pubkeys.length
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})
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lazy.prop(o, 'pubkeys', function () {
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if (!a.output) return
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decode(a.output)
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return o.pubkeys
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})
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lazy.prop(o, 'signatures', function () {
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if (!a.input) return
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return bscript.decompile(a.input)!.slice(1)
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})
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lazy.prop(o, 'input', function () {
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if (!a.signatures) return
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return bscript.compile((<Array<Buffer | number>>[OPS.OP_0]).concat(a.signatures))
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})
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lazy.prop(o, 'witness', function () {
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if (!o.input) return
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return []
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})
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lazy.prop(o, 'output', function() {
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if (!a.m) return;
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if (!o.n) return;
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if (!a.pubkeys) return;
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return bscript.compile(
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(<Array<Buffer | number>>[]).concat(
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OP_INT_BASE + a.m,
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a.pubkeys,
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OP_INT_BASE + o.n,
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OPS.OP_CHECKMULTISIG,
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),
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);
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});
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lazy.prop(o, 'm', function() {
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if (!o.output) return;
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decode(o.output);
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return o.m;
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});
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lazy.prop(o, 'n', function() {
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if (!o.pubkeys) return;
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return o.pubkeys.length;
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});
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lazy.prop(o, 'pubkeys', function() {
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if (!a.output) return;
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decode(a.output);
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return o.pubkeys;
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});
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lazy.prop(o, 'signatures', function() {
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if (!a.input) return;
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return bscript.decompile(a.input)!.slice(1);
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});
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lazy.prop(o, 'input', function() {
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if (!a.signatures) return;
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return bscript.compile(
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(<Array<Buffer | number>>[OPS.OP_0]).concat(a.signatures),
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);
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});
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lazy.prop(o, 'witness', function() {
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if (!o.input) return;
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return [];
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});
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// extended validation
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if (opts.validate) {
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if (a.output) {
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decode(a.output)
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if (!typef.Number(chunks[0])) throw new TypeError('Output is invalid')
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if (!typef.Number(chunks[chunks.length - 2])) throw new TypeError('Output is invalid')
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if (chunks[chunks.length - 1] !== OPS.OP_CHECKMULTISIG) throw new TypeError('Output is invalid')
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decode(a.output);
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if (!typef.Number(chunks[0])) throw new TypeError('Output is invalid');
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if (!typef.Number(chunks[chunks.length - 2]))
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throw new TypeError('Output is invalid');
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if (chunks[chunks.length - 1] !== OPS.OP_CHECKMULTISIG)
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throw new TypeError('Output is invalid');
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if (
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o.m! <= 0 || // eslint-disable-line
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o.n! > 16 || // eslint-disable-line
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o.m! > o.n! || // eslint-disable-line
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o.n !== chunks.length - 3) throw new TypeError('Output is invalid')
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if (!o.pubkeys!.every(x => ecc.isPoint(x))) throw new TypeError('Output is invalid')
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o.n !== chunks.length - 3
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)
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throw new TypeError('Output is invalid');
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if (!o.pubkeys!.every(x => ecc.isPoint(x)))
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throw new TypeError('Output is invalid');
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if (a.m !== undefined && a.m !== o.m) throw new TypeError('m mismatch')
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if (a.n !== undefined && a.n !== o.n) throw new TypeError('n mismatch')
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if (a.pubkeys && !stacksEqual(a.pubkeys, o.pubkeys!)) throw new TypeError('Pubkeys mismatch')
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if (a.m !== undefined && a.m !== o.m) throw new TypeError('m mismatch');
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if (a.n !== undefined && a.n !== o.n) throw new TypeError('n mismatch');
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if (a.pubkeys && !stacksEqual(a.pubkeys, o.pubkeys!))
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throw new TypeError('Pubkeys mismatch');
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}
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if (a.pubkeys) {
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if (a.n !== undefined && a.n !== a.pubkeys.length) throw new TypeError('Pubkey count mismatch')
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o.n = a.pubkeys.length
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if (a.n !== undefined && a.n !== a.pubkeys.length)
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throw new TypeError('Pubkey count mismatch');
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o.n = a.pubkeys.length;
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if (o.n < o.m!) throw new TypeError('Pubkey count cannot be less than m')
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if (o.n < o.m!) throw new TypeError('Pubkey count cannot be less than m');
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}
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if (a.signatures) {
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if (a.signatures.length < o.m!) throw new TypeError('Not enough signatures provided')
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if (a.signatures.length > o.m!) throw new TypeError('Too many signatures provided')
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if (a.signatures.length < o.m!)
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throw new TypeError('Not enough signatures provided');
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if (a.signatures.length > o.m!)
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throw new TypeError('Too many signatures provided');
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}
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if (a.input) {
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if (a.input[0] !== OPS.OP_0) throw new TypeError('Input is invalid')
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if (o.signatures!.length === 0 || !o.signatures!.every(isAcceptableSignature)) throw new TypeError('Input has invalid signature(s)')
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if (a.input[0] !== OPS.OP_0) throw new TypeError('Input is invalid');
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if (
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o.signatures!.length === 0 ||
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!o.signatures!.every(isAcceptableSignature)
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)
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throw new TypeError('Input has invalid signature(s)');
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if (a.signatures && !stacksEqual(a.signatures, o.signatures!)) throw new TypeError('Signature mismatch')
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if (a.m !== undefined && a.m !== a.signatures!.length) throw new TypeError('Signature count mismatch')
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if (a.signatures && !stacksEqual(a.signatures, o.signatures!))
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throw new TypeError('Signature mismatch');
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if (a.m !== undefined && a.m !== a.signatures!.length)
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throw new TypeError('Signature count mismatch');
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}
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}
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return Object.assign(o, a)
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return Object.assign(o, a);
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}
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