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cleanup chaindb.

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This commit is contained in:
Christopher Jeffrey 2016-03-13 04:40:07 -07:00
parent 39265bfb6b
commit b88fc5b0ed
1 changed files with 7 additions and 71 deletions
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78
lib/bcoin/chaindb.js
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@ -791,7 +791,7 @@ ChainDB.prototype.fillTX = function fillTX(tx, callback) {
if (tx.isCoinbase())
return callback(null, tx);
if (self.prune) {
if (this.prune) {
return utils.forEachSerial(tx.inputs, function(input, next) {
if (input.output)
return next();
@ -1212,46 +1212,6 @@ ChainDB.prototype.getBlock = function getBlock(hash, callback) {
});
};
ChainDB.prototype.hasBlock = function hasBlock(hash, callback) {
var self = this;
var id = 'b/b/' + hash;
if (typeof hash === 'number') {
return this.getHash(hash, function(err, hash) {
if (err)
return callback(err);
if (!hash)
return callback();
return self.hasBlock(hash, callback);
});
}
this.db.get(id, function(err, data) {
if (err && err.type !== 'NotFoundError')
return callback(err);
if (!data)
return callback(null, false);
return callback(null, true);
});
};
ChainDB.prototype.hasCoin = function hasCoin(hash, index, callback) {
var self = this;
var id = 'u/t/' + hash + '/' + index;
this.db.get(id, function(err, data) {
if (err && err.type !== 'NotFoundError')
return callback(err);
if (!data)
return callback(null, false);
return callback(null, true);
});
};
ChainDB.prototype._getTX = function _getTX(hash, callback) {
if (hash instanceof bcoin.tx)
return callback(null, hash);
@ -1299,45 +1259,21 @@ ChainDB.prototype.isSpentTX = function isSpentTX(hash, callback) {
});
};
ChainDB.prototype.hasTX = function hasTX(hash, callback) {
var self = this;
var id = 't/t/' + hash;
this.db.get(id, function(err, data) {
if (err && err.type !== 'NotFoundError')
return callback(err);
if (!data)
return callback(null, false);
return callback(null, true);
});
};
ChainDB.prototype.isSpent = function isSpent(hash, index, callback) {
return this.hasCoin(hash, index, function(err, result) {
if (err)
return callback(err);
return callback(null, !result);
});
};
ChainDB.prototype._pruneBlock = function _pruneBlock(block, batch, callback) {
var self = this;
var futureHeight;
if (self.options.spv)
if (this.options.spv)
return callback();
if (!self.prune)
if (!this.prune)
return callback();
// Keep the genesis block
if (block.isGenesis())
return callback();
futureHeight = pad32(block.height + self.keepBlocks);
futureHeight = pad32(block.height + this.keepBlocks);
batch.put('b/q/' + futureHeight, block.hash());
@ -1361,13 +1297,13 @@ ChainDB.prototype._pruneBlock = function _pruneBlock(block, batch, callback) {
});
});
self._pruneQueue(block, batch, callback);
this._pruneQueue(block, batch, callback);
};
ChainDB.prototype._pruneQueue = function _pruneQueue(block, batch, callback) {
var self = this;
var key = 'b/q/' + pad32(block.height);
self.db.get(key, function(err, hash) {
this.db.get(key, function(err, hash) {
if (err && err.type !== 'NotFoundError')
return callback(err);
@ -1404,7 +1340,7 @@ ChainDB.prototype._pruneQueue = function _pruneQueue(block, batch, callback) {
ChainDB.prototype._pruneCoinQueue = function _pruneQueue(block, batch, callback) {
var self = this;
var iter = self.db.db.iterator({
var iter = this.db.db.iterator({
gte: 'u/q/' + pad32(block.height),
lte: 'u/q/' + pad32(block.height) + '~',
keys: true,