LBRYCommunity/bitcoinjs-lib
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Use Prettier to make JS easier to read/audit

Browse source
This commit is contained in:
junderw 2019-04-21 21:30:21 +09:00
parent a52ef82e4f
commit e28e04427e
No known key found for this signature in database
GPG key ID: B256185D3A971908
45 changed files with 2947 additions and 2948 deletions
src/payments
embed.js

82
src/payments/embed.js
View file

@ -1,51 +1,49 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const networks_1 = require("../networks");
const bscript = require("../script");
const lazy = require("./lazy");
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
const networks_1 = require('../networks');
const bscript = require('../script');
const lazy = require('./lazy');
const typef = require('typeforce');
const OPS = bscript.OPS;
function stacksEqual(a, b) {
if (a.length !== b.length)
return false;
return a.every((x, i) => {
return x.equals(b[i]);
});
if (a.length !== b.length) return false;
return a.every((x, i) => {
return x.equals(b[i]);
});
}
// output: OP_RETURN ...
function p2data(a, opts) {
if (!a.data && !a.output)
throw new TypeError('Not enough data');
opts = Object.assign({ validate: true }, opts || {});
typef({
network: typef.maybe(typef.Object),
output: typef.maybe(typef.Buffer),
data: typef.maybe(typef.arrayOf(typef.Buffer)),
}, a);
const network = a.network || networks_1.bitcoin;
const o = { network };
lazy.prop(o, 'output', () => {
if (!a.data)
return;
return bscript.compile([OPS.OP_RETURN].concat(a.data));
});
lazy.prop(o, 'data', () => {
if (!a.output)
return;
return bscript.decompile(a.output).slice(1);
});
// extended validation
if (opts.validate) {
if (a.output) {
const chunks = bscript.decompile(a.output);
if (chunks[0] !== OPS.OP_RETURN)
throw new TypeError('Output is invalid');
if (!chunks.slice(1).every(typef.Buffer))
throw new TypeError('Output is invalid');
if (a.data && !stacksEqual(a.data, o.data))
throw new TypeError('Data mismatch');
}
if (!a.data && !a.output) throw new TypeError('Not enough data');
opts = Object.assign({ validate: true }, opts || {});
typef(
{
network: typef.maybe(typef.Object),
output: typef.maybe(typef.Buffer),
data: typef.maybe(typef.arrayOf(typef.Buffer)),
},
a,
);
const network = a.network || networks_1.bitcoin;
const o = { network };
lazy.prop(o, 'output', () => {
if (!a.data) return;
return bscript.compile([OPS.OP_RETURN].concat(a.data));
});
lazy.prop(o, 'data', () => {
if (!a.output) return;
return bscript.decompile(a.output).slice(1);
});
// extended validation
if (opts.validate) {
if (a.output) {
const chunks = bscript.decompile(a.output);
if (chunks[0] !== OPS.OP_RETURN) throw new TypeError('Output is invalid');
if (!chunks.slice(1).every(typef.Buffer))
throw new TypeError('Output is invalid');
if (a.data && !stacksEqual(a.data, o.data))
throw new TypeError('Data mismatch');
}
return Object.assign(o, a);
}
return Object.assign(o, a);
}
exports.p2data = p2data;