85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
'use strict';
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var $ = require('preconditions').singleton();
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var _ = require('lodash');
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var Bitcore = require('bitcore-lib');
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var Constants = require('../common/constants');
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function Address() {};
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Address.create = function(opts) {
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opts = opts || {};
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var now = Math.floor(Date.now() / 1000);
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var x = new Address();
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x.version = '1.0.0';
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x.createdOn = now;
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x.address = opts.address;
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x.walletId = opts.walletId;
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x.isChange = opts.isChange;
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x.path = opts.path;
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x.publicKeys = opts.publicKeys;
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x.network = Bitcore.Address(x.address).toObject().network;
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x.type = opts.type || Constants.SCRIPT_TYPES.P2SH;
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x.hasActivity = undefined;
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x.lastUsedOn = now;
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return x;
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};
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Address.fromObj = function(obj) {
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var x = new Address();
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x.version = obj.version;
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x.createdOn = obj.createdOn;
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x.address = obj.address;
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x.walletId = obj.walletId;
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x.network = obj.network;
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x.isChange = obj.isChange;
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x.path = obj.path;
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x.publicKeys = obj.publicKeys;
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x.type = obj.type || Constants.SCRIPT_TYPES.P2SH;
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x.hasActivity = obj.hasActivity;
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x.lastUsedOn = obj.lastUsedOn;
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return x;
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};
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Address._deriveAddress = function(scriptType, publicKeyRing, path, m, network) {
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$.checkArgument(_.contains(_.values(Constants.SCRIPT_TYPES), scriptType));
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var publicKeys = _.map(publicKeyRing, function(item) {
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var xpub = new Bitcore.HDPublicKey(item.xPubKey);
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return xpub.derive(path).publicKey;
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});
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var bitcoreAddress;
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switch (scriptType) {
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case Constants.SCRIPT_TYPES.P2SH:
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bitcoreAddress = Bitcore.Address.createMultisig(publicKeys, m, network);
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break;
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case Constants.SCRIPT_TYPES.P2PKH:
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$.checkState(_.isArray(publicKeys) && publicKeys.length == 1);
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bitcoreAddress = Bitcore.Address.fromPublicKey(publicKeys[0], network);
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break;
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}
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return {
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address: bitcoreAddress.toString(),
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path: path,
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publicKeys: _.invoke(publicKeys, 'toString'),
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};
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};
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Address.derive = function(walletId, scriptType, publicKeyRing, path, m, network, isChange) {
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var raw = Address._deriveAddress(scriptType, publicKeyRing, path, m, network);
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return Address.create(_.extend(raw, {
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walletId: walletId,
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type: scriptType,
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isChange: isChange,
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}));
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};
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module.exports = Address;
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