@saberhq/sail/dist/esm/accounts/fetchers.js

Account caching and batched loading for React-based Solana applications.

import { SailGetMultipleAccountsError } from "..";
export function chunks(array, size) {
    return Array.apply(0, new Array(Math.ceil(array.length / size))).map((_, index) => array.slice(index * size, (index + 1) * size));
}
const GET_MULTIPLE_ACCOUNTS_CHUNK_SIZE = 99;
export const getMultipleAccounts = async (connection, keys, onGetMultipleAccountsError, commitment = "confirmed") => {
    const result = await Promise.all(chunks(keys, GET_MULTIPLE_ACCOUNTS_CHUNK_SIZE).map(async (chunk) => {
        try {
            return {
                keys: chunk,
                array: await connection.getMultipleAccountsInfo(chunk, commitment),
            };
        }
        catch (e) {
            const error = new SailGetMultipleAccountsError(chunk, commitment, e);
            onGetMultipleAccountsError(error);
            return {
                keys: chunk,
                error,
            };
        }
    }));
    const array = result
        .map((el) => {
        if ("error" in el) {
            return el.keys.map(() => el.error);
        }
        return el.array;
    })
        .flat();
    return { keys, array };
};
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