@ledgerhq/coin-celo/lib-es/bridge/preload.js

celo coin integration

import { BigNumber } from "bignumber.js";
import { Subject } from "rxjs";
import { log } from "@ledgerhq/logs";
import { PRELOAD_MAX_AGE } from "../logic";
import { getValidatorGroups } from "../network/validators";
let currentCeloPreloadedData = {
    validatorGroups: [],
};
function fromHydrateValidator(validatorGroupRaw) {
    return {
        address: validatorGroupRaw.address.toString(),
        name: validatorGroupRaw.name.toString(),
        votes: new BigNumber(validatorGroupRaw.votes),
    };
}
function fromHydratePreloadData(data) {
    let validatorGroups = [];
    if (typeof data === "object" && data && "validatorGroups" in data) {
        if (Array.isArray(data.validatorGroups)) {
            validatorGroups = data.validatorGroups.map(fromHydrateValidator);
        }
    }
    return {
        validatorGroups,
    };
}
const updates = new Subject();
export function getCurrentCeloPreloadData() {
    return currentCeloPreloadedData;
}
function setCeloPreloadData(data) {
    if (data === currentCeloPreloadedData)
        return;
    currentCeloPreloadedData = data;
    updates.next(data);
}
export function getCeloPreloadDataUpdates() {
    return updates.asObservable();
}
export const getPreloadStrategy = () => ({
    preloadMaxAge: PRELOAD_MAX_AGE,
});
export const preload = async () => {
    const { validatorGroups: previousValidatorGroups } = currentCeloPreloadedData;
    let validatorGroups = previousValidatorGroups;
    if (!validatorGroups || !validatorGroups.length) {
        log("celo/preload", "refreshing celo validatorGroups...");
        try {
            validatorGroups = await getValidatorGroups();
        }
        catch (error) {
            log("celo/preload", "failed to fetch validatorGroups", {
                error,
            });
        }
    }
    return { validatorGroups };
};
export const hydrate = (data) => {
    const hydrated = fromHydratePreloadData(data);
    log("celo/preload", "hydrate " + hydrated.validatorGroups.length + " celo validatorGroups");
    setCeloPreloadData(hydrated);
};
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