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76a2a9bb8b
* @metamask/eslint-config@5.0.0 * Update eslintrc and prettierrc * yarn lint:fix
47 lines
1.9 KiB
JavaScript
47 lines
1.9 KiB
JavaScript
import { createScaffoldMiddleware, mergeMiddleware } from 'json-rpc-engine';
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import createBlockReRefMiddleware from 'eth-json-rpc-middleware/block-ref';
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import createRetryOnEmptyMiddleware from 'eth-json-rpc-middleware/retryOnEmpty';
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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 createInfuraMiddleware from 'eth-json-rpc-infura';
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import BlockTracker from 'eth-block-tracker';
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import { NETWORK_TYPE_TO_ID_MAP } from '../../../../shared/constants/network';
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export default function createInfuraClient({ network, projectId }) {
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const infuraMiddleware = createInfuraMiddleware({
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network,
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projectId,
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maxAttempts: 5,
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source: 'metamask',
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});
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const infuraProvider = providerFromMiddleware(infuraMiddleware);
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const blockTracker = new BlockTracker({ provider: infuraProvider });
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const networkMiddleware = mergeMiddleware([
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createNetworkAndChainIdMiddleware({ network }),
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createBlockCacheMiddleware({ blockTracker }),
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createInflightMiddleware(),
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createBlockReRefMiddleware({ blockTracker, provider: infuraProvider }),
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createRetryOnEmptyMiddleware({ blockTracker, provider: infuraProvider }),
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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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function createNetworkAndChainIdMiddleware({ network }) {
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if (!NETWORK_TYPE_TO_ID_MAP[network]) {
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throw new Error(`createInfuraClient - unknown network "${network}"`);
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}
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const { chainId, networkId } = NETWORK_TYPE_TO_ID_MAP[network];
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return createScaffoldMiddleware({
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eth_chainId: chainId,
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net_version: networkId,
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});
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}
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