RanchiMall/fcoin
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fill block coins.

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This commit is contained in:
Christopher Jeffrey 2016-05-26 04:41:05 -07:00
parent 1ef834ca3e
commit 2612d2cc5c
No known key found for this signature in database
GPG Key ID: 8962AB9DE6666BBD
1 changed files with 31 additions and 11 deletions
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42
lib/bcoin/chaindb.js
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@ -84,7 +84,7 @@ function ChainDB(chain, options) {
// check.
this.cacheWindow = (this.network.pow.retargetInterval + 1) * 2 + 100;
this.coinCache = new NullCache(100000);
this.coinCache = new bcoin.lru(100000);
this.cacheHash = new bcoin.lru(this.cacheWindow);
this.cacheHeight = new bcoin.lru(this.cacheWindow);
@ -833,7 +833,7 @@ ChainDB.prototype.connectBlock = function connectBlock(block, batch, callback) {
if (output.script.isUnspendable())
continue;
coin = bcoin.coin.fromTX(tx, j);
coin = bcoin.coin.fromTX(tx, j).toRaw();
if (self.options.indexAddress) {
address = output.getHash();
@ -841,7 +841,7 @@ ChainDB.prototype.connectBlock = function connectBlock(block, batch, callback) {
batch.put('C/' + address + '/' + key, DUMMY);
}
batch.put('c/' + key, coin.toRaw());
batch.put('c/' + key, coin);
self.coinCache.set(key, coin);
}
@ -869,7 +869,7 @@ ChainDB.prototype.connectBlock = function connectBlock(block, batch, callback) {
ChainDB.prototype.disconnectBlock = function disconnectBlock(block, batch, callback) {
var self = this;
var i, j, tx, input, output, key, addresses, address, hash;
var i, j, tx, input, output, key, addresses, address, hash, coin;
if (this.options.spv)
return utils.nextTick(callback);
@ -911,9 +911,11 @@ ChainDB.prototype.disconnectBlock = function disconnectBlock(block, batch, callb
batch.put('C/' + address + '/' + key, DUMMY);
}
batch.put('c/' + key, input.coin.toRaw());
coin = input.coin.toRaw();
self.coinCache.set(key, input.coin);
batch.put('c/' + key, coin);
self.coinCache.set(key, coint);
}
for (j = 0; j < tx.outputs.length; j++) {
@ -1040,14 +1042,23 @@ ChainDB.prototype.getCoin = function getCoin(hash, index, callback) {
var coin;
coin = this.coinCache.get(key);
if (coin)
return utils.asyncify(callback)(null, coin);
if (coin) {
callback = utils.asyncify(callback);
try {
coin = bcoin.coin.fromRaw(coin);
coin.hash = hash;
coin.index = index;
} catch (e) {
return callback(e);
}
return callback(null, coin);
}
this.db.fetch('c/' + key, function(data) {
var coin = bcoin.coin.fromRaw(data);
coin.hash = hash;
coin.index = index;
self.coinCache.set(key, coin);
self.coinCache.set(key, data);
return coin;
}, callback);
};
@ -1262,13 +1273,14 @@ ChainDB.prototype._ensureHistory = function _ensureHistory(hash, callback) {
*/
ChainDB.prototype.fillBlock = function fillBlock(block, callback) {
return this.fillCoins(block.txs, function(err) {
var coins, i, tx, hash, j, input, key;
var coins, spent, i, tx, hash, j, input, key;
return this.fillCoins(block.txs, function(err) {
if (err)
return callback(err);
coins = {};
spent = {};
for (i = 0; i < block.txs.length; i++) {
tx = block.txs[i];
@ -1277,6 +1289,14 @@ ChainDB.prototype.fillBlock = function fillBlock(block, callback) {
for (j = 0; j < tx.inputs.length; j++) {
input = tx.inputs[j];
key = input.prevout.hash + '/' + input.prevout.index;
if (spent[key]) {
delete input.coin;
continue;
}
spent[key] = true;
if (!input.coin && coins[key]) {
input.coin = coins[key];
delete coins[key];