walletclient: cleanup.

lib/http/wallet.js

@@ -30,10 +30,6 @@ class HTTPWallet extends Client {
   async init() {
     await super.open();
 
-    this.on('error', (err) => {
-      this.emit('error', err);
-    });
-
     this.listen('wallet tx', (details) => {
       this.emit('tx', details);
     });

lib/wallet/client.js

@@ -7,36 +7,19 @@
 
 'use strict';
 
-const {Client} = require('bcurl');
+const HTTPClient = require('../http/client');
 const TX = require('../primitives/tx');
-const Headers = require('../primitives/headers');
+const digest = require('../crypto/digest');
 const util = require('../utils/util');
-const BufferReader = require('../utils/reader');
-
-class WalletClient extends Client {
-  /**
-   * Bcoin HTTP client.
-   * @alias module:wallet.WalletClient
-   * @constructor
-   * @param {Object|String} options
-   */
 
+class WalletClient extends HTTPClient {
   constructor(options) {
     super(options);
   }
 
-  /**
-   * Open the client, wait for socket to connect.
-   * @returns {Promise}
-   */
-
   async open() {
     await super.open();
 
-    this.on('error', (err) => {
-      this.emit('error', err);
-    });
-
     this.listen('block connect', (entry, txs) => {
       this.emit('block connect', ...parseBlock(entry, txs));
     });
@@ -56,150 +39,32 @@ class WalletClient extends Client {
     this.listen('tx', (tx) => {
       this.emit('tx', TX.fromRaw(tx));
     });
-
-    await this.watchChain();
-    await this.watchMempool();
   }
 
-  /**
-   * Auth with server.
-   * @private
-   * @returns {Promise}
-   */
-
-  auth() {
-    return this.call('auth', this.password);
-  }
-
-  /**
-   * Make an RPC call.
-   * @returns {Promise}
-   */
-
-  execute(name, params) {
-    return super.execute('/', name, params);
-  }
-
-  /**
-   * Watch the blockchain.
-   * @private
-   * @returns {Promise}
-   */
-
-  watchChain() {
-    return this.call('watch chain');
-  }
-
-  /**
-   * Watch the blockchain.
-   * @private
-   * @returns {Promise}
-   */
-
-  watchMempool() {
-    return this.call('watch mempool');
-  }
-
-  /**
-   * Get chain tip.
-   * @returns {Promise}
-   */
-
   async getTip() {
-    const raw = await this.call('get tip');
-    return parseEntry(raw);
+    return parseEntry(await super.getTip());
   }
 
-  /**
-   * Get chain entry.
-   * @param {Hash} hash
-   * @returns {Promise}
-   */
-
   async getEntry(block) {
     if (typeof block === 'string')
       block = util.revHex(block);
 
-    const raw = await this.call('get entry', block);
-    return parseEntry(raw);
+    return parseEntry(await super.getEntry(block));
   }
 
-  /**
-   * Get hashes.
-   * @param {Number} [start=-1]
-   * @param {Number} [end=-1]
-   * @returns {Promise}
-   */
-
-  getHashes(start = -1, end = -1) {
-    return this.call('get hashes', start, end);
+  async send(tx) {
+    return super.send(tx.toRaw());
   }
 
-  /**
-   * Send a transaction. Do not wait for promise.
-   * @param {TX} tx
-   * @returns {Promise}
-   */
-
-  send(tx) {
-    return this.call('send', tx.toRaw());
+  async setFilter(filter) {
+    return super.setFilter(filter.toRaw());
   }
 
-  /**
-   * Set bloom filter.
-   * @param {Bloom} filter
-   * @returns {Promise}
-   */
-
-  setFilter(filter) {
-    return this.call('set filter', filter.toRaw());
-  }
-
-  /**
-   * Add data to filter.
-   * @param {Buffer} data
-   * @returns {Promise}
-   */
-
-  addFilter(chunks) {
-    if (!Array.isArray(chunks))
-      chunks = [chunks];
-
-    return this.call('add filter', chunks);
-  }
-
-  /**
-   * Reset filter.
-   * @returns {Promise}
-   */
-
-  resetFilter() {
-    return this.call('reset filter');
-  }
-
-  /**
-   * Esimate smart fee.
-   * @param {Number?} blocks
-   * @returns {Promise}
-   */
-
-  estimateFee(blocks) {
-    return this.call('estimate fee', blocks);
-  }
-
-  /**
-   * Rescan for any missed transactions.
-   * @param {Number|Hash} start - Start block.
-   * @param {Bloom} filter
-   * @param {Function} iter - Iterator.
-   * @returns {Promise}
-   */
-
-  rescan(start) {
+  async rescan(start) {
     if (typeof start === 'string')
       start = util.revHex(start);
 
-    return this.call('rescan', start);
+    return super.rescan(start);
   }
 }
 
@@ -208,15 +73,16 @@ class WalletClient extends Client {
  */
 
 function parseEntry(data) {
-  const block = Headers.fromHead(data);
+  assert(Buffer.isBuffer(data));
+  assert(data.length >= 84);
 
-  const br = new BufferReader(data);
-  br.seek(80);
+  const h = digest.hash256(data.slice(0, 80));
 
-  const height = br.readU32();
-  const hash = block.hash('hex');
-
-  return { hash, height, time: block.time };
+  return {
+    hash: h.toString('hex'),
+    height: data.readUInt32LE(80, true),
+    time: data.readUInt32LE(68, true)
+  };
 }
 
 function parseBlock(entry, txs) {