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metamask-extension/app/scripts/controllers/network/createJsonRpcClient.js
Paul Bouchon 2f7d449427 EIP-1193: standard provider API (#6170)
* EIP-1193: Implement new provider API

* EIP-1193: Updated implementation

* Remove test file

* Fix tests

* Update ping check

* Update logic

* PR feedback
2019-02-19 16:42:08 -08:00

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 createBlockTracker = require('./createBlockTracker')
module.exports = createJsonRpcClient
function createJsonRpcClient ({ rpcUrl, platform }) {
const fetchMiddleware = createFetchMiddleware({ rpcUrl })
const blockProvider = providerFromMiddleware(fetchMiddleware)
const blockTracker = createBlockTracker({ provider: blockProvider }, platform)
const networkMiddleware = mergeMiddleware([
createBlockRefRewriteMiddleware({ blockTracker }),
createBlockCacheMiddleware({ blockTracker }),
createInflightMiddleware(),
createBlockTrackerInspectorMiddleware({ blockTracker }),
fetchMiddleware,
])
return { networkMiddleware, blockTracker }
}