@smartinvoicexyz/hooks/dist/src/useSubgraphHealth.js

Unified source for React hooks used across the Smart Invoice protocol.

import { NETWORK_CONFIG, SUPPORTED_CHAIN_IDS, } from '@smartinvoicexyz/constants';
import { getSubgraphStatus } from '@smartinvoicexyz/graphql';
import { publicClients } from '@smartinvoicexyz/utils';
import useSWR from 'swr';
const SUBGRAPH_STATUS_UPDATE_INTERVAL = 10000;
const getLatestBlockNumber = async (chainId) => {
    const publicClient = publicClients[chainId];
    if (!publicClient)
        return 0;
    const blockNumber = await publicClient.getBlockNumber();
    return Number(blockNumber);
};
const getSubgraphHealth = async (chainId) => {
    const [status, latestBlockNumber] = await Promise.all([
        getSubgraphStatus(chainId),
        getLatestBlockNumber(chainId),
    ]);
    const threshold = NETWORK_CONFIG[chainId].SUBGRAPH_HEALTH_THRESHOLD;
    return {
        hasIndexingErrors: status.hasIndexingErrors,
        hasSynced: status.syncedBlockNumber >= latestBlockNumber - threshold,
    };
};
// Create a SWR fetcher
const fetchHealths = async () => {
    const statuses = await Promise.all(SUPPORTED_CHAIN_IDS.map(chainId => getSubgraphHealth(chainId)));
    return statuses.reduce((acc, status, index) => {
        acc[SUPPORTED_CHAIN_IDS[index]] = status;
        return acc;
    }, {});
};
export const useSubgraphHealth = () => {
    const { data, error, isValidating, isLoading } = useSWR('subgraph-status', fetchHealths, {
        refreshInterval: SUBGRAPH_STATUS_UPDATE_INTERVAL,
        revalidateOnFocus: false,
        dedupingInterval: SUBGRAPH_STATUS_UPDATE_INTERVAL / 2,
    });
    return {
        health: data,
        isLoading: (!data && isValidating) || isLoading,
        error: error ?? null,
    };
};