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mempool: do not hold chain lock while getting viewpoint.

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This commit is contained in:
Christopher Jeffrey 2016-12-19 05:11:54 -08:00
parent 9fd7153100
commit 9490d29390
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GPG Key ID: 8962AB9DE6666BBD
1 changed files with 11 additions and 3 deletions
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14
lib/mempool/mempool.js
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@ -1502,7 +1502,8 @@ Mempool.prototype.isDoubleSpend = function isDoubleSpend(tx) {
* @returns {Promise} - Returns {@link CoinView}. * @returns {Promise} - Returns {@link CoinView}.
*/ */
Mempool.prototype._getCoinView = co(function* getCoinView(tx) { Mempool.prototype.getCoinView = co(function* getCoinView(tx) {
var state = this.chain.state;
var view = new CoinView(); var view = new CoinView();
var prevout = tx.getPrevout(); var prevout = tx.getPrevout();
var i, entry, hash, coins; var i, entry, hash, coins;
@ -1528,6 +1529,9 @@ Mempool.prototype._getCoinView = co(function* getCoinView(tx) {
view.add(coins); view.add(coins);
} }
if (state !== this.chain.state)
throw new Error('Chain state changed while getting coins.');
return view; return view;
}); });
@ -1538,8 +1542,9 @@ Mempool.prototype._getCoinView = co(function* getCoinView(tx) {
* @returns {Promise} - Returns {@link CoinView}. * @returns {Promise} - Returns {@link CoinView}.
*/ */
Mempool.prototype.getCoinView = co(function* getCoinView(tx) { Mempool.prototype._getCoinView = co(function* getCoinView(tx) {
var view = yield this.chain.getCoinView(tx); var state = this.chain.state;
var view = yield this.chain.db.getCoinView(tx);
var items = view.toArray(); var items = view.toArray();
var i, coins, entry; var i, coins, entry;
@ -1557,6 +1562,9 @@ Mempool.prototype.getCoinView = co(function* getCoinView(tx) {
view.addTX(entry.tx, -1); view.addTX(entry.tx, -1);
} }
if (state !== this.chain.state)
throw new Error('Chain state changed while getting coins.');
return view; return view;
}); });