mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-24 11:01:41 +01:00
26 lines
1.2 KiB
JavaScript
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 }
|
|
}
|