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-rw-r--r--app/scripts/lib/inpage-provider.js22
1 files changed, 17 insertions, 5 deletions
diff --git a/app/scripts/lib/inpage-provider.js b/app/scripts/lib/inpage-provider.js
index e5e398e24..e54f547bd 100644
--- a/app/scripts/lib/inpage-provider.js
+++ b/app/scripts/lib/inpage-provider.js
@@ -1,5 +1,7 @@
const pipe = require('pump')
-const StreamProvider = require('web3-stream-provider')
+const ProviderEngine = require('web3-provider-engine')
+const FilterSubprovider = require('web3-provider-engine/subproviders/filters')
+const StreamSubprovider = require('web3-provider-engine/subproviders/stream')
const LocalStorageStore = require('obs-store')
const ObjectMultiplex = require('./obj-multiplex')
const createRandomId = require('./random-id')
@@ -27,14 +29,24 @@ function MetamaskInpageProvider (connectionStream) {
)
// connect to async provider
- const asyncProvider = self.asyncProvider = new StreamProvider()
+ const engine = new ProviderEngine()
+
+ const filterSubprovider = new FilterSubprovider()
+ engine.addProvider(filterSubprovider)
+
+ const streamSubprovider = new StreamSubprovider()
+ engine.addProvider(streamSubprovider)
+
pipe(
- asyncProvider,
+ streamSubprovider,
multiStream.createStream('provider'),
- asyncProvider,
+ streamSubprovider,
(err) => logStreamDisconnectWarning('MetaMask RpcProvider', err)
)
+ // start polling
+ engine.start()
+
self.idMap = {}
// handle sendAsync requests via asyncProvider
self.sendAsync = function (payload, cb) {
@@ -46,7 +58,7 @@ function MetamaskInpageProvider (connectionStream) {
return message
})
// forward to asyncProvider
- asyncProvider.sendAsync(request, function (err, res) {
+ engine.sendAsync(request, function (err, res) {
if (err) return cb(err)
// transform messages to original ids
eachJsonMessage(res, (message) => {