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metamask controller - destroy filter polyfill on disconnect

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This commit is contained in:
kumavis 2017-09-13 15:19:44 -07:00
parent 245c0f0c27
commit 765ef64061
1 changed files with 10 additions and 4 deletions
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14
app/scripts/metamask-controller.js
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@ -389,12 +389,16 @@ module.exports = class MetamaskController extends EventEmitter {
setupProviderConnection (outStream, origin) {
// setup json rpc engine stack
const engine = new RpcEngine()
engine.push(createOriginMiddleware({ origin }))
engine.push(createLoggerMiddleware({ origin }))
engine.push(createFilterMiddleware({
// create filter polyfill middleware
const filterMiddleware = createFilterMiddleware({
provider: this.provider,
blockTracker: this.blockTracker,
}))
})
engine.push(createOriginMiddleware({ origin }))
engine.push(createLoggerMiddleware({ origin }))
engine.push(filterMiddleware)
engine.push(createProviderMiddleware({ provider: this.provider }))
// setup connection
@ -404,6 +408,8 @@ module.exports = class MetamaskController extends EventEmitter {
providerStream,
outStream,
(err) => {
// cleanup filter polyfill middleware
filterMiddleware.destroy()
if (err) log.error(err)
}
)