@saberhq/sail/dist/esm/hooks/useKeypair.js

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

import { Keypair } from "@solana/web3.js";
import { useMemo } from "react";
/**
 * Parses a Keypair from a JSON secret key.
 * @param valueStr The string representation of the JSON secret key.
 * @returns
 */
export const useKeypair = (valueStr) => {
    return useMemo(() => {
        if (typeof valueStr !== "string") {
            return valueStr;
        }
        if (!valueStr) {
            return null;
        }
        try {
            return Keypair.fromSecretKey(Uint8Array.from([...JSON.parse(valueStr)]));
        }
        catch (e) {
            return null;
        }
    }, [valueStr]);
};
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