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Merge pull request #1789 from 0xProject/fix/order-watcher-race-condition

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Fix OrderWatcher race-condition bug
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Fabio B 2019-04-24 16:09:58 -05:00 committed by GitHub
commit 18acf50b12
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2 changed files with 12 additions and 0 deletions
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9
packages/order-watcher/CHANGELOG.json
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@ -1,4 +1,13 @@
[
{
"version": "4.0.7",
"changes": [
{
"note": "Fix race-condition bug due to async callback modifying shared state",
"pr": 1789
}
]
},
{
"version": "4.0.6",
"changes": [

3
packages/order-watcher/src/order_watcher/order_watcher.ts
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@ -493,6 +493,9 @@ export class OrderWatcher {
private async _emitRevalidateOrdersAsync(orderHashes: string[], transactionHash?: string): Promise<void> {
for (const orderHash of orderHashes) {
const signedOrder = this._orderByOrderHash[orderHash];
if (signedOrder === undefined) {
continue;
}
// Most of these calls will never reach the network because the data is fetched from stores
// and only updated when cache is invalidated
const orderState = await this._orderStateUtils.getOpenOrderStateAsync(signedOrder, transactionHash);