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24 lines
1.1 KiB
JavaScript
24 lines
1.1 KiB
JavaScript
import mergeMiddleware from 'json-rpc-engine/src/mergeMiddleware'
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import createFetchMiddleware from 'eth-json-rpc-middleware/fetch'
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import createBlockRefRewriteMiddleware from 'eth-json-rpc-middleware/block-ref-rewrite'
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import createBlockCacheMiddleware from 'eth-json-rpc-middleware/block-cache'
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import createInflightMiddleware from 'eth-json-rpc-middleware/inflight-cache'
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import createBlockTrackerInspectorMiddleware from 'eth-json-rpc-middleware/block-tracker-inspector'
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import providerFromMiddleware from 'eth-json-rpc-middleware/providerFromMiddleware'
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import BlockTracker from 'eth-block-tracker'
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export default function createJsonRpcClient ({ rpcUrl }) {
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const fetchMiddleware = createFetchMiddleware({ rpcUrl })
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const blockProvider = providerFromMiddleware(fetchMiddleware)
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const blockTracker = new BlockTracker({ provider: blockProvider })
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const networkMiddleware = mergeMiddleware([
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createBlockRefRewriteMiddleware({ blockTracker }),
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createBlockCacheMiddleware({ blockTracker }),
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createInflightMiddleware(),
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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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