Update types

lib/blockchain/chaindb.js

@@ -1177,9 +1177,8 @@ class ChainDB {
 
   /**
    * Get a coin (unspents only).
-   * @private
    * @param {Outpoint} prevout
-   * @returns {Promise} - Returns {@link CoinEntry}.
+   * @returns {Promise<CoinEntry>} - Returns {@link CoinEntry}.
    */
 
   async readCoin(prevout) {

lib/blockstore/abstract.js

@@ -20,6 +20,7 @@ class AbstractBlockStore {
   /**
    * Create an abstract blockstore.
    * @constructor
+   * @param {Object} [options]
    */
 
   constructor(options) {
@@ -192,7 +193,7 @@ class AbstractBlockStore {
 
   /**
    * Create batch.
-   * @returns {Batch}
+   * @returns {AbstractBatch}
    */
 
   batch() {
@@ -206,7 +207,6 @@ class AbstractBlockStore {
  * @abstract
  */
 
-// eslint-disable-next-line no-unused-vars
 class AbstractBatch {
   /**
    * Create AbstractBatch.
@@ -218,9 +218,9 @@ class AbstractBatch {
 
   /**
    * Write merkle block data to the batch.
-   * @property {Buffer} hash
-   * @property {Buffer} data
-   * @returns {Batch}
+   * @param {Buffer} hash
+   * @param {Buffer} data
+   * @returns {this}
    */
 
   writeMerkle(hash, data) {
@@ -231,7 +231,7 @@ class AbstractBatch {
    * Write undo coin data to the batch.
    * @param {Buffer} hash
    * @param {Buffer} data
-   * @returns {Batch}
+   * @returns {this}
    */
 
   writeUndo(hash, data) {
@@ -242,7 +242,7 @@ class AbstractBatch {
    * Write block data to the batch.
    * @param {Buffer} hash
    * @param {Buffer} data
-   * @returns {Batch}
+   * @returns {this}
    */
 
   writeBlock(hash, data) {
@@ -252,7 +252,7 @@ class AbstractBatch {
   /**
    * Remove merkle block data from the batch.
    * @param {Buffer} hash
-   * @returns {Batch}
+   * @returns {this}
    */
 
   pruneMerkle(hash) {
@@ -262,7 +262,7 @@ class AbstractBatch {
   /**
    * Remove undo data from the batch.
    * @param {Buffer} hash
-   * @returns {Batch}
+   * @returns {this}
    */
 
   pruneUndo(hash) {
@@ -272,7 +272,7 @@ class AbstractBatch {
   /**
    * Prune block data from the batch.
    * @param {Buffer} hash
-   * @returns {Batch}
+   * @returns {this}
    */
 
   pruneBlock(hash) {
@@ -281,7 +281,7 @@ class AbstractBatch {
 
   /**
    * Clear the batch.
-   * @returns {Batch}
+   * @returns {this}
    */
 
   clear() {
@@ -293,7 +293,7 @@ class AbstractBatch {
    * @returns {Promise}
    */
 
-  write() {
+  commit() {
     throw new Error('Abstract method.');
   }
 }
@@ -302,4 +302,5 @@ class AbstractBatch {
  * Expose
  */
 
+AbstractBlockStore.AbstractBatch = AbstractBatch;
 module.exports = AbstractBlockStore;

lib/blockstore/file.js

@@ -15,6 +15,7 @@ const Network = require('../protocol/network');
 const consensus = require('../protocol/consensus');
 const Headers = require('../primitives/headers');
 const AbstractBlockStore = require('./abstract');
+const {AbstractBatch} = AbstractBlockStore;
 const {BlockRecord, FileRecord} = require('./records');
 const layout = require('./layout');
 const {types, prefixes} = require('./common');
@@ -33,6 +34,7 @@ class FileBlockStore extends AbstractBlockStore {
   /**
    * Create a blockstore that stores blocks in files.
    * @constructor
+   * @param {Object} [options]
    */
 
   constructor(options) {
@@ -234,7 +236,7 @@ class FileBlockStore extends AbstractBlockStore {
    * @private
    * @param {Number} type - The type of block data
    * @param {Number} fileno - The number of the file.
-   * @returns {Promise}
+   * @returns {String}
    */
 
   filepath(type, fileno) {
@@ -266,7 +268,7 @@ class FileBlockStore extends AbstractBlockStore {
    * @private
    * @param {Number} type - The type of block data
    * @param {Number} length - The number of bytes
-   * @returns {Promise}
+   * @returns {Promise<Object>}
    */
 
   async allocate(type, length) {
@@ -321,7 +323,7 @@ class FileBlockStore extends AbstractBlockStore {
    * This method stores merkle block data in files.
    * @param {Buffer} hash - The block hash
    * @param {Buffer} data - The block data
-   * @returns {Promise}
+   * @returns {Promise<Boolean>}
    */
 
   async writeMerkle(hash, data) {
@@ -332,7 +334,7 @@ class FileBlockStore extends AbstractBlockStore {
    * This method stores block undo coin data in files.
    * @param {Buffer} hash - The block hash
    * @param {Buffer} data - The block data
-   * @returns {Promise}
+   * @returns {Promise<Boolean>}
    */
 
   async writeUndo(hash, data) {
@@ -343,7 +345,7 @@ class FileBlockStore extends AbstractBlockStore {
    * This method stores block data in files.
    * @param {Buffer} hash - The block hash
    * @param {Buffer} data - The block data
-   * @returns {Promise}
+   * @returns {Promise<Boolean>}
    */
 
   async writeBlock(hash, data) {
@@ -358,7 +360,7 @@ class FileBlockStore extends AbstractBlockStore {
    * @param {Number} type - The type of block data
    * @param {Buffer} hash - The block hash
    * @param {Buffer} data - The block data
-   * @returns {Promise}
+   * @returns {Promise<Boolean>} - Whether the data was written.
    */
 
   async _write(type, hash, data) {
@@ -451,7 +453,7 @@ class FileBlockStore extends AbstractBlockStore {
   /**
    * This method will retrieve merkle block data.
    * @param {Buffer} hash - The block hash
-   * @returns {Promise}
+   * @returns {Promise<Buffer>}
    */
 
   async readMerkle(hash) {
@@ -461,7 +463,7 @@ class FileBlockStore extends AbstractBlockStore {
   /**
    * This method will retrieve block undo coin data.
    * @param {Buffer} hash - The block hash
-   * @returns {Promise}
+   * @returns {Promise<Buffer>}
    */
 
   async readUndo(hash) {
@@ -488,9 +490,9 @@ class FileBlockStore extends AbstractBlockStore {
    * @private
    * @param {Number} type - The type of block data
    * @param {Buffer} hash - The block hash
-   * @param {Number} offset - The offset within the block
-   * @param {Number} length - The number of bytes of the data
-   * @returns {Promise}
+   * @param {Number} [offset] - The offset within the block
+   * @param {Number} [length] - The number of bytes of the data
+   * @returns {Promise<Buffer>}
    */
 
   async _read(type, hash, offset, length) {
@@ -536,7 +538,7 @@ class FileBlockStore extends AbstractBlockStore {
   /**
    * This will free resources for storing merkle block data.
    * @param {Buffer} hash - The block hash
-   * @returns {Promise}
+   * @returns {Promise<Boolean>}
    */
 
   async pruneMerkle(hash) {
@@ -546,7 +548,7 @@ class FileBlockStore extends AbstractBlockStore {
   /**
    * This will free resources for storing the block undo coin data.
    * @param {Buffer} hash - The block hash
-   * @returns {Promise}
+   * @returns {Promise<Boolean>}
    */
 
   async pruneUndo(hash) {
@@ -556,7 +558,7 @@ class FileBlockStore extends AbstractBlockStore {
   /**
    * This will free resources for storing the block data.
    * @param {Buffer} hash - The block hash
-   * @returns {Promise}
+   * @returns {Promise<Boolean>}
    */
 
   async pruneBlock(hash) {
@@ -569,8 +571,9 @@ class FileBlockStore extends AbstractBlockStore {
    * block is removed and will not be able to be read. The underlying
    * file is unlinked when all blocks in a file have been pruned.
    * @private
+   * @param {Number} type - The type of block data
    * @param {Buffer} hash - The block hash
-   * @returns {Promise}
+   * @returns {Promise<Boolean>}
    */
 
   async _prune(type, hash) {
@@ -656,13 +659,16 @@ class FileBlockStore extends AbstractBlockStore {
  * @alias module:blockstore.FileBatch
  */
 
-class FileBatch {
+class FileBatch extends AbstractBatch {
   /**
    * Create AbstractBatch.
    * @constructor
+   * @param {FileBlockStore} blocks
    */
 
   constructor(blocks) {
+    super();
+
     this.blocks = blocks;
     this.writes = [];
     this.prunes = [];
@@ -676,76 +682,83 @@ class FileBatch {
 
   /**
    * Write merkle block data to the batch.
-   * @property {Buffer} hash
-   * @property {Buffer} data
-   * @returns {Batch}
+   * @param {Buffer} hash
+   * @param {Buffer} data
+   * @returns {this}
    */
 
   writeMerkle(hash, data) {
     this.writes.push(new WriteOp(types.MERKLE, hash, data));
+    return this;
   }
 
   /**
    * Write undo coin data to the batch.
    * @param {Buffer} hash
    * @param {Buffer} data
-   * @returns {Batch}
+   * @returns {this}
    */
 
   writeUndo(hash, data) {
     this.writes.push(new WriteOp(types.UNDO, hash, data));
+    return this;
   }
 
   /**
    * Write block data to the batch.
    * @param {Buffer} hash
    * @param {Buffer} data
-   * @returns {Batch}
+   * @returns {this}
    */
 
   writeBlock(hash, data) {
     this.writes.push(new WriteOp(types.BLOCK, hash, data));
+    return this;
   }
 
   /**
    * Remove merkle block data from the batch.
    * @param {Buffer} hash
-   * @returns {Batch}
+   * @returns {this}
    */
 
   pruneMerkle(hash) {
     this.prunes.push(new PruneOp(types.MERKLE, hash));
+    return this;
   }
 
   /**
    * Remove undo data from the batch.
    * @param {Buffer} hash
-   * @returns {Batch}
+   * @returns {this}
    */
 
   pruneUndo(hash) {
     this.prunes.push(new PruneOp(types.UNDO, hash));
+    return this;
   }
 
   /**
    * Prune block data from the batch.
    * @param {Buffer} hash
-   * @returns {Batch}
+   * @returns {this}
    */
 
   pruneBlock(hash) {
     this.prunes.push(new PruneOp(types.BLOCK, hash));
+    return this;
   }
 
   /**
    * Clear the batch.
-   * @returns {Batch}
+   * @returns {this}
    */
 
   clear() {
     assert(!this.written, 'Already written all.');
     this.writes.length = 0;
     this.prunes.length = 0;
+    return this;
   }
 
   /**