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22 lines
1012 B
JavaScript
22 lines
1012 B
JavaScript
const mergeMiddleware = require('json-rpc-engine/src/mergeMiddleware')
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const createFetchMiddleware = require('eth-json-rpc-middleware/fetch')
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const createBlockRefMiddleware = require('eth-json-rpc-middleware/block-ref')
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const createBlockTrackerInspectorMiddleware = require('eth-json-rpc-middleware/block-tracker-inspector')
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const providerFromMiddleware = require('eth-json-rpc-middleware/providerFromMiddleware')
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const BlockTracker = require('eth-block-tracker')
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module.exports = createLocalhostClient
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function createLocalhostClient () {
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const fetchMiddleware = createFetchMiddleware({ rpcUrl: 'http://localhost:8545/' })
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const blockProvider = providerFromMiddleware(fetchMiddleware)
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const blockTracker = new BlockTracker({ provider: blockProvider, pollingInterval: 1000 })
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const networkMiddleware = mergeMiddleware([
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createBlockRefMiddleware({ blockTracker }),
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createBlockTrackerInspectorMiddleware({ blockTracker }),
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fetchMiddleware,
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])
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return { networkMiddleware, blockTracker }
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}
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