UNPKG

ethjs-xns

Version:

An ENS interface module built on EthJS.

2,300 lines (2,156 loc) 452 kB
(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){ module.exports=[ { "inputs": [ { "internalType": "contract ENS", "name": "_old", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "operator", "type": "address" }, { "indexed": false, "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "ApprovalForAll", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": true, "internalType": "bytes32", "name": "label", "type": "bytes32" }, { "indexed": false, "internalType": "address", "name": "owner", "type": "address" } ], "name": "NewOwner", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "address", "name": "resolver", "type": "address" } ], "name": "NewResolver", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "uint64", "name": "ttl", "type": "uint64" } ], "name": "NewTTL", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "address", "name": "owner", "type": "address" } ], "name": "Transfer", "type": "event" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "old", "outputs": [ { "internalType": "contract ENS", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "recordExists", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "resolver", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "address", "name": "owner", "type": "address" } ], "name": "setOwner", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "resolver", "type": "address" }, { "internalType": "uint64", "name": "ttl", "type": "uint64" } ], "name": "setRecord", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "address", "name": "resolver", "type": "address" } ], "name": "setResolver", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes32", "name": "label", "type": "bytes32" }, { "internalType": "address", "name": "owner", "type": "address" } ], "name": "setSubnodeOwner", "outputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes32", "name": "label", "type": "bytes32" }, { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "resolver", "type": "address" }, { "internalType": "uint64", "name": "ttl", "type": "uint64" } ], "name": "setSubnodeRecord", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "uint64", "name": "ttl", "type": "uint64" } ], "name": "setTTL", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "ttl", "outputs": [ { "internalType": "uint64", "name": "", "type": "uint64" } ], "stateMutability": "view", "type": "function" } ] },{}],2:[function(require,module,exports){ module.exports=[ { "inputs": [ { "internalType": "contract ENS", "name": "_ens", "type": "address" }, { "internalType": "contract INameWrapper", "name": "wrapperAddress", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": true, "internalType": "uint256", "name": "contentType", "type": "uint256" } ], "name": "ABIChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "address", "name": "a", "type": "address" } ], "name": "AddrChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "uint256", "name": "coinType", "type": "uint256" }, { "indexed": false, "internalType": "bytes", "name": "newAddress", "type": "bytes" } ], "name": "AddressChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "operator", "type": "address" }, { "indexed": false, "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "ApprovalForAll", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "bytes", "name": "hash", "type": "bytes" } ], "name": "ContenthashChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "bytes", "name": "name", "type": "bytes" }, { "indexed": false, "internalType": "uint16", "name": "resource", "type": "uint16" }, { "indexed": false, "internalType": "bytes", "name": "record", "type": "bytes" } ], "name": "DNSRecordChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "bytes", "name": "name", "type": "bytes" }, { "indexed": false, "internalType": "uint16", "name": "resource", "type": "uint16" } ], "name": "DNSRecordDeleted", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "DNSZoneCleared", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "bytes", "name": "lastzonehash", "type": "bytes" }, { "indexed": false, "internalType": "bytes", "name": "zonehash", "type": "bytes" } ], "name": "DNSZonehashChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": true, "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" }, { "indexed": false, "internalType": "address", "name": "implementer", "type": "address" } ], "name": "InterfaceChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "string", "name": "name", "type": "string" } ], "name": "NameChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": false, "internalType": "bytes32", "name": "x", "type": "bytes32" }, { "indexed": false, "internalType": "bytes32", "name": "y", "type": "bytes32" } ], "name": "PubkeyChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "indexed": true, "internalType": "string", "name": "indexedKey", "type": "string" }, { "indexed": false, "internalType": "string", "name": "key", "type": "string" } ], "name": "TextChanged", "type": "event" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "uint256", "name": "contentTypes", "type": "uint256" } ], "name": "ABI", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" }, { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "addr", "outputs": [ { "internalType": "address payable", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "uint256", "name": "coinType", "type": "uint256" } ], "name": "addr", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "clearDNSZone", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "contenthash", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes32", "name": "name", "type": "bytes32" }, { "internalType": "uint16", "name": "resource", "type": "uint16" } ], "name": "dnsRecord", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes32", "name": "name", "type": "bytes32" } ], "name": "hasDNSRecords", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" } ], "name": "interfaceImplementer", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes[]", "name": "data", "type": "bytes[]" } ], "name": "multicall", "outputs": [ { "internalType": "bytes[]", "name": "results", "type": "bytes[]" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "pubkey", "outputs": [ { "internalType": "bytes32", "name": "x", "type": "bytes32" }, { "internalType": "bytes32", "name": "y", "type": "bytes32" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "uint256", "name": "contentType", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "setABI", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "uint256", "name": "coinType", "type": "uint256" }, { "internalType": "bytes", "name": "a", "type": "bytes" } ], "name": "setAddr", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "address", "name": "a", "type": "address" } ], "name": "setAddr", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes", "name": "hash", "type": "bytes" } ], "name": "setContenthash", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "setDNSRecords", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" }, { "internalType": "address", "name": "implementer", "type": "address" } ], "name": "setInterface", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "string", "name": "newName", "type": "string" } ], "name": "setName", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes32", "name": "x", "type": "bytes32" }, { "internalType": "bytes32", "name": "y", "type": "bytes32" } ], "name": "setPubkey", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "string", "name": "key", "type": "string" }, { "internalType": "string", "name": "value", "type": "string" } ], "name": "setText", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "bytes", "name": "hash", "type": "bytes" } ], "name": "setZonehash", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" }, { "internalType": "string", "name": "key", "type": "string" } ], "name": "text", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "node", "type": "bytes32" } ], "name": "zonehash", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "stateMutability": "view", "type": "function" } ] },{}],3:[function(require,module,exports){ const ENS = require('../') const HttpProvider = require('ethjs-provider-http') const networkMap = require('../lib/network-map.json') let ens // For MetaMask or Mist compatibility: window.addEventListener('load', function() { if (typeof window.web3 !== 'undefined') { console.log('web3 browser detected, using.') web3.version.getNetwork(function (err, network) { if (err) { return resultField.innerText = 'There was a problem: ' + err.message } ens = new ENS({ provider: web3.currentProvider, network: network }) }) } else { console.log('no web3 browser detected, using infura.') const provider = new HttpProvider('https://mainnet.infura.io') ens = new ENS({ provider, network: '1' }) } }) searchButton.addEventListener('click', function() { console.log('clicked button.') var query = lookupField.value console.log('querying for ' + query) ens.lookup(query) .then((address) => { console.log('ens returned ' + address) resultField.innerText = address }) .catch((reason) => { console.log('ens failed!') console.error(reason) resultField.innerText = 'There was a problem: ' + reason.message }) }) },{"../":4,"../lib/network-map.json":5,"ethjs-provider-http":16}],4:[function(require,module,exports){ // External Deps const Eth = require("ethjs-query"); const EthContract = require("ethjs-contract"); const namehash = require("eth-ens-namehash"); // ABIs const registryAbi = require("./abis/registry.json"); const resolverAbi = require("./abis/resolver.json"); // Map network to known ENS registries const networkMap = require("./lib/network-map.json"); const emptyHash = "0x0000000000000000000000000000000000000000000000000000000000000000"; const emptyAddr = "0x0000000000000000000000000000000000000000"; const NotFoundError = new Error("ENS name not defined."); const BadCharacterError = new Error("Illegal Character for ENS."); class Ens { constructor(opts = {}) { const { provider, network } = opts; console.log( "🚀 ~ file: index.js ~ line 22 ~ Ens ~ constructor ~ network", network ); let { registryAddress } = opts; // Validations if (!provider) { throw new Error("The EthJsENS Constructor requires a provider."); } // Requires EITHER a network or a registryAddress if (!network && !registryAddress) { throw new Error( "The EthJsENS Constructor requires a network or registry address." ); } this.provider = provider; this.eth = new Eth(this.provider); this.contract = new EthContract(this.eth); this.namehash = namehash; // Link to Registry this.Registry = this.contract(registryAbi); if (!registryAddress && network) { registryAddress = "0x" + networkMap[network]["registry"]; console.log( "🚀 ~ file: index.js ~ line 45 ~ Ens ~ constructor ~ registryAddress", registryAddress ); } this.registry = this.Registry.at(registryAddress); // Create Resolver class this.Resolver = this.contract(resolverAbi); } lookup(name = "") { console.log("🚀 ~ file: index.js ~ line 61 ~ Ens ~ lookup ~ name", name); try { return this.getNamehash(name).then((node) => { console.log( "🚀 ~ file: index.js ~ line 63 ~ Ens ~ returnthis.getNamehash ~ node", node ); if (node === emptyHash) { console.log("NOTFOUNDERROR-EMPTYHASH"); return Promise.reject(NotFoundError); } console.log("resolveAddressForNode"); return this.resolveAddressForNode(node); }); } catch (e) { console.log( "🚀 ~ file: index.js ~ line 63 ~ Ens ~ returnthis.getNamehash ~ e", e ); throw e; } } getNamehash(name) { try { return Promise.resolve(namehash(name)); } catch (e) { return Promise.reject(BadCharacterError); } } getOwner(name = "") { return this.getNamehash(name).then((node) => this.getOwnerForNode(node)); } getOwnerForNode(node) { if (node === emptyHash) { return Promise.reject(NotFoundError); } return this.registry.owner(node).then((result) => { const ownerAddress = result[0]; if (ownerAddress === emptyAddr) { throw NotFoundError; } return ownerAddress; }); } getResolver(name = "") { return this.getNamehash(name).then((node) => this.getResolverForNode(node)); } getResolverAddress(name = "") { return this.getNamehash(name).then((node) => this.getResolverAddressForNode(node) ); } getResolverForNode(node) { if (!node.startsWith("0x")) { node = `0x${node}`; } return this.getResolverAddressForNode(node).then((resolverAddress) => { console.log( "🚀 ~ file: index.js ~ line 116 ~ Ens ~ returnthis.getResolverAddressForNode ~ resolverAddress", resolverAddress ); return this.Resolver.at(resolverAddress); }); } getResolverAddressForNode(node) { console.log("CHECKING getResolverAddressForNode", node); try { return this.registry.resolver(node).then((result) => { console.log( "🚀 ~ file: index.js ~ line 128 ~ Ens ~ returnthis.registry.resolver ~ result", result ); const resolverAddress = result[0]; console.log( "🚀 ~ file: index.js ~ line 123 ~ Ens ~ returnthis.registry.resolver ~ resolverAddress", resolverAddress ); if (resolverAddress === emptyAddr) { console.log("NOTFOUNDERROR"); throw NotFoundError; } return resolverAddress; }); } catch (e) { console.error( "🚀 ~ file: index.js ~ line 128 ~ Ens ~ returnthis.registry.resolver ~ e", e ); throw e; } } resolveAddressForNode(node) { console.log("CHECKING resolveAddressForNode"); return this.getResolverForNode(node) .then((resolver) => { console.log( "🚀 ~ file: index.js ~ line 130 ~ Ens ~ .then ~ resolver", resolver ); return resolver.addr(node, 60); }) .then((result) => { console.log( "🚀 ~ file: index.js ~ line 150 ~ Ens ~ .then ~ result", result ); return result[0]; }); } reverse(address) { if (!address) { return Promise.reject( new Error("Must supply an address to reverse lookup.") ); } if (address.startsWith("0x")) { address = address.slice(2); } const name = `${address.toLowerCase()}.addr.reverse`; const node = namehash(name); return this.getNamehash(name) .then((node) => this.getResolverForNode(node)) .then((resolver) => resolver.name(node)) .then((results) => results[0]); } } module.exports = Ens; },{"./abis/registry.json":1,"./abis/resolver.json":2,"./lib/network-map.json":5,"eth-ens-namehash":9,"ethjs-contract":13,"ethjs-query":18}],5:[function(require,module,exports){ module.exports={ "1": { "registry": "314159265dd8dbb310642f98f50c066173c1259b" }, "3": { "registry": "112234455c3a32fd11230c42e7bccd4a84e02010", "resolver": "C68De5B43C3d980B0C110A77a5F78d3c4c4d63B4" }, "51": { "registry": "c5e1cBf8c3900F283a04E640cDA100aAa59666Ac" }, "50": { "registry": "3C69E80658eeDd01B0c023f5e65dDf8516B02BeF" } } },{}],6:[function(require,module,exports){ 'use strict' exports.byteLength = byteLength exports.toByteArray = toByteArray exports.fromByteArray = fromByteArray var lookup = [] var revLookup = [] var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' for (var i = 0, len = code.length; i < len; ++i) { lookup[i] = code[i] revLookup[code.charCodeAt(i)] = i } // Support decoding URL-safe base64 strings, as Node.js does. // See: https://en.wikipedia.org/wiki/Base64#URL_applications revLookup['-'.charCodeAt(0)] = 62 revLookup['_'.charCodeAt(0)] = 63 function getLens (b64) { var len = b64.length if (len % 4 > 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // Trim off extra bytes after placeholder bytes are found // See: https://github.com/beatgammit/base64-js/issues/42 var validLen = b64.indexOf('=') if (validLen === -1) validLen = len var placeHoldersLen = validLen === len ? 0 : 4 - (validLen % 4) return [validLen, placeHoldersLen] } // base64 is 4/3 + up to two characters of the original data function byteLength (b64) { var lens = getLens(b64) var validLen = lens[0] var placeHoldersLen = lens[1] return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen } function _byteLength (b64, validLen, placeHoldersLen) { return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen } function toByteArray (b64) { var tmp var lens = getLens(b64) var validLen = lens[0] var placeHoldersLen = lens[1] var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen)) var curByte = 0 // if there are placeholders, only get up to the last complete 4 chars var len = placeHoldersLen > 0 ? validLen - 4 : validLen var i for (i = 0; i < len; i += 4) { tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)] arr[curByte++] = (tmp >> 16) & 0xFF arr[curByte++] = (tmp >> 8) & 0xFF arr[curByte++] = tmp & 0xFF } if (placeHoldersLen === 2) { tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4) arr[curByte++] = tmp & 0xFF } if (placeHoldersLen === 1) { tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2) arr[curByte++] = (tmp >> 8) & 0xFF arr[curByte++] = tmp & 0xFF } return arr } function tripletToBase64 (num) { return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F] } function encodeChunk (uint8, start, end) { var tmp var output = [] for (var i = start; i < end; i += 3) { tmp = ((uint8[i] << 16) & 0xFF0000) + ((uint8[i + 1] << 8) & 0xFF00) + (uint8[i + 2] & 0xFF) output.push(tripletToBase64(tmp)) } return output.join('') } function fromByteArray (uint8) { var tmp var len = uint8.length var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes var parts = [] var maxChunkLength = 16383 // must be multiple of 3 // go through the array every three bytes, we'll deal with trailing stuff later for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))) } // pad the end with zeros, but make sure to not forget the extra bytes if (extraBytes === 1) { tmp = uint8[len - 1] parts.push( lookup[tmp >> 2] + lookup[(tmp << 4) & 0x3F] + '==' ) } else if (extraBytes === 2) { tmp = (uint8[len - 2] << 8) + uint8[len - 1] parts.push( lookup[tmp >> 10] + lookup[(tmp >> 4) & 0x3F] + lookup[(tmp << 2) & 0x3F] + '=' ) } return parts.join('') } },{}],7:[function(require,module,exports){ (function (module, exports) { 'use strict'; // Utils function assert (val, msg) { if (!val) throw new Error(msg || 'Assertion failed'); } // Could use `inherits` module, but don't want to move from single file // architecture yet. function inherits (ctor, superCtor) { ctor.super_ = superCtor; var TempCtor = function () {}; TempCtor.prototype = superCtor.prototype; ctor.prototype = new TempCtor(); ctor.prototype.constructor = ctor; } // BN function BN (number, base, endian) { if (BN.isBN(number)) { return number; } this.negative = 0; this.words = null; this.length = 0; // Reduction context this.red = null; if (number !== null) { if (base === 'le' || base === 'be') { endian = base; base = 10; } this._init(number || 0, base || 10, endian || 'be'); } } if (typeof module === 'object') { module.exports = BN; } else { exports.BN = BN; } BN.BN = BN; BN.wordSize = 26; var Buffer; try { Buffer = require('buf' + 'fer').Buffer; } catch (e) { } BN.isBN = function isBN (num) { if (num instanceof BN) { return true; } return num !== null && typeof num === 'object' && num.constructor.wordSize === BN.wordSize && Array.isArray(num.words); }; BN.max = function max (left, right) { if (left.cmp(right) > 0) return left; return right; }; BN.min = function min (left, right) { if (left.cmp(right) < 0) return left; return right; }; BN.prototype._init = function init (number, base, endian) { if (typeof number === 'number') { return this._initNumber(number, base, endian); } if (typeof number === 'object') { return this._initArray(number, base, endian); } if (base === 'hex') { base = 16; } assert(base === (base | 0) && base >= 2 && base <= 36); number = number.toString().replace(/\s+/g, ''); var start = 0; if (number[0] === '-') { start++; } if (base === 16) { this._parseHex(number, start); } else { this._parseBase(number, base, start); } if (number[0] === '-') { this.negative = 1; } this.strip(); if (endian !== 'le') return; this._initArray(this.toArray(), base, endian); }; BN.prototype._initNumber = function _initNumber (number, base, endian) { if (number < 0) { this.negative = 1; number = -number; } if (number < 0x4000000) { this.words = [ number & 0x3ffffff ]; this.length = 1; } else if (number < 0x10000000000000) { this.words = [ number & 0x3ffffff, (number / 0x4000000) & 0x3ffffff ]; this.length = 2; } else { assert(number < 0x20000000000000); // 2 ^ 53 (unsafe) this.words = [ number & 0x3ffffff, (number / 0x4000000) & 0x3ffffff, 1 ]; this.length = 3; } if (endian !== 'le') return; // Reverse the bytes this._initArray(this.toArray(), base, endian); }; BN.prototype._initArray = function _initArray (number, base, endian) { // Perhaps a Uint8Array assert(typeof number.length === 'number'); if (number.length <= 0) { this.words = [ 0 ]; this.length = 1; return this; } this.length = Math.ceil(number.length / 3); this.words = new Array(this.length); for (var i = 0; i < this.length; i++) { this.words[i] = 0; } var j, w; var off = 0; if (endian === 'be') { for (i = number.length - 1, j = 0; i >= 0; i -= 3) { w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16); this.words[j] |= (w << off) & 0x3ffffff; this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; off += 24; if (off >= 26) { off -= 26; j++; } } } else if (endian === 'le') { for (i = 0, j = 0; i < number.length; i += 3) { w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16); this.words[j] |= (w << off) & 0x3ffffff; this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; off += 24; if (off >= 26) { off -= 26; j++; } } } return this.strip(); }; function parseHex (str, start, end) { var r = 0; var len = Math.min(str.length, end); for (var i = start; i < len; i++) { var c = str.charCodeAt(i) - 48; r <<= 4; // 'a' - 'f' if (c >= 49 && c <= 54) { r |= c - 49 + 0xa; // 'A' - 'F' } else if (c >= 17 && c <= 22) { r |= c - 17 + 0xa; // '0' - '9' } else { r |= c & 0xf; } } return r; } BN.prototype._parseHex = function _parseHex (number, start) { // Create possibly bigger array to ensure that it fits the number this.length = Math.ceil((number.length - start) / 6); this.words = new Array(this.length); for (var i = 0; i < this.length; i++) { this.words[i] = 0; } var j, w; // Scan 24-bit chunks and add them to the number var off = 0; for (i = number.length - 6, j = 0; i >= start; i -= 6) { w = parseHex(number, i, i + 6); this.words[j] |= (w << off) & 0x3ffffff; // NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb this.words[j + 1] |= w >>> (26 - off) & 0x3fffff; off += 24; if (off >= 26) { off -= 26; j++; } } if (i + 6 !== start) { w = parseHex(number, start, i + 6); this.words[j] |= (w << off) & 0x3ffffff; this.words[j + 1] |= w >>> (26 - off) & 0x3fffff; } this.strip(); }; function parseBase (str, start, end, mul) { var r = 0; var len = Math.min(str.length, end); for (var i = start; i < len; i++) { var c = str.charCodeAt(i) - 48; r *= mul; // 'a' if (c >= 49) { r += c - 49 + 0xa; // 'A' } else if (c >= 17) { r += c - 17 + 0xa; // '0' - '9' } else { r += c; } } return r; } BN.prototype._parseBase = function _parseBase (number, base, start) { // Initialize as zero this.words = [ 0 ]; this.length = 1; // Find length of limb in base for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) { limbLen++; } limbLen--; limbPow = (limbPow / base) | 0; var total = number.length - start; var mod = total % limbLen; var end = Math.min(total, total - mod) + start; var word = 0; for (var i = start; i < end; i += limbLen) { word = parseBase(number, i, i + limbLen, base); this.imuln(limbPow); if (this.words[0] + word < 0x4000000) { this.words[0] += word; } else { this._iaddn(word); } } if (mod !== 0) { var pow = 1; word = parseBase(number, i, number.length, base); for (i = 0; i < mod; i++) { pow *= base; } this.imuln(pow); if (this.words[0] + word < 0x4000000) { this.words[0] += word; } else { this._iaddn(word); } } }; BN.prototype.copy = function copy (dest) { dest.words = new Array(this.length); for (var i = 0; i < this.length; i++) { dest.words[i] = this.words[i]; } dest.length = this.length; dest.negative = this.negative; dest.red = this.red; }; BN.prototype.clone = function clone () { var r = new BN(null); this.copy(r); return r; }; BN.prototype._expand = function _expand (size) { while (this.length < size) { this.words[this.length++] = 0; } return this; }; // Remove leading `0` from `this` BN.prototype.strip = function strip () { while (this.length > 1 && this.words[this.length - 1] === 0) { this.length--; } return this._normSign(); }; BN.prototype._normSign = function _normSign () { // -0 = 0 if (this.length === 1 && this.words[0] === 0) { this.negative = 0; } return this; }; BN.prototype.inspect = function inspect () { return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>'; }; /* var zeros = []; var groupSizes = []; var groupBases = []; var s = ''; var i = -1; while (++i < BN.wordSize) { zeros[i] = s; s += '0'; } groupSizes[0] = 0; groupSizes[1] = 0; groupBases[0] = 0; groupBases[1] = 0; var base = 2 - 1; while (++base < 36 + 1) { var groupSize = 0; var groupBase = 1; while (groupBase < (1 << BN.wordSize) / base) { groupBase *= base; groupSize += 1; } groupSizes[base] = groupSize; groupBases[base] = groupBase; } */ var zeros = [ '', '0', '00', '000', '0000', '00000', '000000', '0000000', '00000000', '000000000', '0000000000', '00000000000', '000000000000', '0000000000000', '00000000000000', '000000000000000', '0000000000000000', '00000000000000000', '000000000000000000', '0000000000000000000', '00000000000000000000', '000000000000000000000', '0000000000000000000000', '00000000000000000000000', '000000000000000000000000', '0000000000000000000000000' ]; var groupSizes = [ 0, 0, 25, 16, 12, 11, 10, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 ]; var groupBases = [ 0, 0, 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216, 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625, 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632, 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149, 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176 ]; BN.prototype.toString = function toString (base, padding) { base = base || 10; padding = padding | 0 || 1; var out; if (base === 16 || base === 'hex') { out = ''; var off = 0; var carry = 0; for (var i = 0; i < this.length; i++) { var w = this.words[i]; var word = (((w << off) | carry) & 0xffffff).toString(16); carry = (w >>> (24 - off)) & 0xffffff; if (carry !== 0 || i !== this.length - 1) { out = zeros[6 - word.length] + word + out; } else { out = word + out; } off += 2; if (off >= 26) { off -= 26; i--; } } if (carry !== 0) { out = carry.toString(16) + out; } while (out.length % padding !== 0) { out = '0' + out; } if (this.negative !== 0) { out = '-' + out; } return out; } if (base === (base | 0) && base >= 2 && base <= 36) { // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base)); var groupSize = groupSizes[base]; // var groupBase = Math.pow(base, groupSize); var groupBase = groupBases[base]; out = ''; var c = this.clone(); c.negative = 0; while (!c.isZero()) { var r = c.modn(groupBase).toString(base); c = c.idivn(groupBase); if (!c.isZero()) { out = zeros[groupSize - r.length] + r + out; } else { out = r + out; } } if (this.isZero()) { out = '0' + out; } while (out.length % padding !== 0) { out = '0' + out; } if (this.negative !== 0) { out = '-' + out; } return out; } assert(false, 'Base should be between 2 and 36'); }; BN.prototype.toNumber = function toNumber () { var ret = this.words[0]; if (this.length === 2) { ret += this.words[1] * 0x4000000; } else if (this.length === 3 && this.words[2] === 0x01) { // NOTE: at this stage it is known that the top bit is set ret += 0x10000000000000 + (this.words[1] * 0x4000000); } else if (this.length > 2) { assert(false, 'Number can only safely store up to 53 bits'); } return (this.negative !== 0) ? -ret : ret; }; BN.prototype.toJSON = function toJSON () { return this.toString(16); }; BN.prototype.toBuffer = function toBuffer (endian, length) { assert(typeof Buffer !== 'undefined'); return this.toArrayLike(Buffer, endian, length); }; BN.prototype.toArray = function toArray (endian, length) { return this.toArrayLike(Array, endian, length); }; BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) { var byteLength = this.byteLength(); var reqLength = length || Math.max(1, byteLength); assert(byteLength <= reqLength, 'byte array longer than desired length'); assert(reqLength > 0, 'Requested array length <= 0'); this.strip(); var littleEndian = endian === 'le'; var res = new ArrayType(reqLength); var b, i; var q = this.clone(); if (!littleEndian) { // Assume big-endian for (i = 0; i < reqLength - byteLength; i++) { res[i] = 0; } for (i = 0; !q.isZero(); i++) { b = q.andln(0xff); q.iushrn(8); res[reqLength - i - 1] = b; } } else { for (i = 0; !q.isZero(); i++) { b = q.andln(0xff); q.iushrn(8); res[i] = b; } for (; i < reqLength; i++) { res[i] = 0; } } return res; }; if (Math.clz32) { BN.prototype._countBits = function _countBits (w) { return 32 - Math.clz32(w); }; } else { BN.prototype._countBits = function _countBits (w) { var t = w; var r = 0; if (t >= 0x1000) { r += 13; t >>>= 13; } if (t >= 0x40) { r += 7; t >>>= 7; } if (t >= 0x8) { r += 4; t >>>= 4; } if (t >= 0x02) { r += 2; t >>>= 2; } return r + t; }; } BN.prototype._zeroBits = function _zeroBits (w) { // Short-cut if (w === 0) return 26; var t = w; var r = 0; if ((t & 0x1fff) === 0) { r += 13; t >>>= 13; } if ((t & 0x7f) === 0) { r += 7; t >>>= 7; } if ((t & 0xf) === 0) { r += 4; t >>>= 4; } if ((t & 0x3) === 0) { r += 2; t >>>= 2; } if ((t & 0x1) === 0) { r++; } return r; }; // Retu