@chorus-one/signer-local/dist/mjs/ed25519.js

Local signer for Chorus One SDK that utilizes a BIP39 mnemonic for signing operations

import { derivePath, getPublicKey } from 'ed25519-hd-key';
import { ed25519 } from '@noble/curves/ed25519';
export function deriveKey(seed, hdPath) {
    const { key } = derivePath(hdPath, Buffer.from(seed).toString('hex'));
    const publicKey = getPublicKey(key, false);
    return {
        publicKey: Uint8Array.from(publicKey),
        privateKey: Uint8Array.from(key)
    };
}
export async function sign(content, privKey) {
    const signature = ed25519.sign(Buffer.from(content, 'hex'), privKey);
    return {
        fullSig: Buffer.from(signature).toString('hex')
    };
}