Differential D12414 Diff 36269 web/cashtab/src/utils/coininfo.js

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web/cashtab/src/utils/coininfo.js

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				// JavaScript component for eCash specific information such as version numbers, DNS seeds, etc
				// implementation reference: https://github.com/cryptocoinjs/coininfo/blob/master/lib/coininfo.js

				let Buffer = require('safe-buffer').Buffer;

				// required for browserify
				let coins = [require('./ecashCoinInfo')];

				let supportedCoins = {};
				const ecash = coins[0];

				let unit = ecash.main.unit.toLowerCase();
				let name = ecash.main.name.toLowerCase();
				ecash.main.testnet = false;
				ecash.main.toBitcoinJS = toBitcoinJS.bind(ecash.main);
				ecash.main.toBitcore = toBitcore.bind(ecash.main);
				supportedCoins[unit] = ecash.main;
				supportedCoins[name] = ecash.main;

				function coininfo(input) {
				let coin = input.toLowerCase();

				if (!(coin in supportedCoins)) {
				return null;
				} else {
				return supportedCoins[coin];
				}
				}

				coins.forEach(function (coin) {
				coininfo[coin.main.name.toLowerCase()] = coin;
				});

				// for use with bitcoinjs-lib
				function toBitcoinJS() {
				return Object.assign({}, this, {
				messagePrefix:
				this.messagePrefix \|\| '\x18' + this.name + ' Signed Message:\n',
				bech32: this.bech32,
				bip32: {
				public: (this.versions.bip32 \|\| {}).public,
				private: (this.versions.bip32 \|\| {}).private,
				},
				pubKeyHash: this.versions.public,
				scriptHash: this.versions.scripthash,
				wif: this.versions.private,
				dustThreshold: null, // TODO
				});
				}

				// for use with Bitcore
				function toBitcore() {
				// reverse magic
				let nm = Buffer.allocUnsafe(4);
				nm.writeUInt32BE(this.protocol ? this.protocol.magic : 0, 0);
				nm = nm.readUInt32LE(0);

				return Object.assign({}, this, {
				name: this.testnet ? 'testnet' : 'livenet',
				alias: this.testnet ? 'testnet' : 'mainnet',
				pubkeyhash: this.versions.public,
				privatekey: this.versions.private,
				scripthash: this.versions.scripthash,
				xpubkey: (this.versions.bip32 \|\| {}).public,
				xprivkey: (this.versions.bip32 \|\| {}).private,
				networkMagic: nm,
				port: this.port,
				dnsSeeds: this.seedsDns \|\| [],
				});
				}

				module.exports = coininfo;