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26 lines
1.2 KiB
JavaScript
26 lines
1.2 KiB
JavaScript
const mergeMiddleware = require('json-rpc-engine/src/mergeMiddleware')
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const createBlockReEmitMiddleware = require('eth-json-rpc-middleware/block-reemit')
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const createBlockCacheMiddleware = require('eth-json-rpc-middleware/block-cache')
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const createInflightMiddleware = require('eth-json-rpc-middleware/inflight-cache')
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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 createInfuraMiddleware = require('eth-json-rpc-infura')
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const BlockTracker = require('eth-block-tracker')
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module.exports = createInfuraClient
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function createInfuraClient ({ network }) {
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const infuraMiddleware = createInfuraMiddleware({ network })
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const blockProvider = providerFromMiddleware(infuraMiddleware)
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const blockTracker = new BlockTracker({ provider: blockProvider })
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const networkMiddleware = mergeMiddleware([
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createBlockCacheMiddleware({ blockTracker }),
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createInflightMiddleware(),
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createBlockReEmitMiddleware({ blockTracker, provider: blockProvider }),
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createBlockTrackerInspectorMiddleware({ blockTracker }),
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infuraMiddleware,
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])
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return { networkMiddleware, blockTracker }
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}
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