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metamask-extension/app/scripts/controllers/network/createJsonRpcClient.js
kumavis 2845398c3d Refactor ProviderApprovalController to use rpc and publicConfigStore (#6410)
* Ensure home screen does not render if there are unapproved txs (#6501)

* Ensure that the confirm screen renders before the home screen if there are unapproved txs.

* Only render confirm screen before home screen on mount.

* inpage - revert _metamask api to isEnabled isApproved isUnlocked
2019-05-03 13:32:05 -04:00

26 lines
1.2 KiB
JavaScript

const mergeMiddleware = require('json-rpc-engine/src/mergeMiddleware')
const createFetchMiddleware = require('eth-json-rpc-middleware/fetch')
const createBlockRefRewriteMiddleware = require('eth-json-rpc-middleware/block-ref-rewrite')
const createBlockCacheMiddleware = require('eth-json-rpc-middleware/block-cache')
const createInflightMiddleware = require('eth-json-rpc-middleware/inflight-cache')
const createBlockTrackerInspectorMiddleware = require('eth-json-rpc-middleware/block-tracker-inspector')
const providerFromMiddleware = require('eth-json-rpc-middleware/providerFromMiddleware')
const BlockTracker = require('eth-block-tracker')
module.exports = createJsonRpcClient
function createJsonRpcClient ({ rpcUrl }) {
const fetchMiddleware = createFetchMiddleware({ rpcUrl })
const blockProvider = providerFromMiddleware(fetchMiddleware)
const blockTracker = new BlockTracker({ provider: blockProvider })
const networkMiddleware = mergeMiddleware([
createBlockRefRewriteMiddleware({ blockTracker }),
createBlockCacheMiddleware({ blockTracker }),
createInflightMiddleware(),
createBlockTrackerInspectorMiddleware({ blockTracker }),
fetchMiddleware,
])
return { networkMiddleware, blockTracker }
}