@pythnetwork/price-pusher/lib/utils.js

Pyth Price Pusher

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.assertDefined = exports.addLeading0x = exports.customGasChainIds = exports.txSpeeds = void 0;
exports.sleep = sleep;
exports.removeLeading0x = removeLeading0x;
exports.isWsEndpoint = isWsEndpoint;
exports.verifyValidOption = verifyValidOption;
exports.filterInvalidPriceItems = filterInvalidPriceItems;
exports.txSpeeds = ["slow", "standard", "fast"];
exports.customGasChainIds = [137];
async function sleep(ms) {
    return new Promise((resolve) => setTimeout(resolve, ms));
}
function removeLeading0x(id) {
    if (id.startsWith("0x")) {
        return id.substring(2);
    }
    return id;
}
const addLeading0x = (id) => hasLeading0x(id) ? id : `0x${id}`;
exports.addLeading0x = addLeading0x;
const hasLeading0x = (input) => input.startsWith("0x");
function isWsEndpoint(endpoint) {
    const url = new URL(endpoint);
    const protocol = url.protocol;
    if (protocol === "ws:" || protocol == "wss:") {
        return true;
    }
    return false;
}
function verifyValidOption(option, validOptions) {
    if (validOptions.includes(option)) {
        return option;
    }
    const errorString = option + " is not a valid option. Please choose between " + validOptions;
    throw new Error(errorString);
}
const assertDefined = (value) => {
    if (value === undefined) {
        throw new Error("Assertion failed: value was undefined");
    }
    else {
        return value;
    }
};
exports.assertDefined = assertDefined;
async function filterInvalidPriceItems(hermesClient, priceItems) {
    const priceMetadata = await hermesClient.getPriceFeeds();
    const allPriceIds = priceMetadata.map((priceMetadata) => priceMetadata.id);
    // Filter out invalid price ids
    const { existingPriceItems, invalidPriceItems } = priceItems.reduce((acc, item) => {
        if (allPriceIds.includes(item.id)) {
            acc.existingPriceItems.push(item);
        }
        else {
            acc.invalidPriceItems.push(item);
        }
        return acc;
    }, { existingPriceItems: [], invalidPriceItems: [] });
    return { existingPriceItems, invalidPriceItems };
}