@ledgerhq/coin-stacks/lib-es/signer/signMessage.js

Ledger Stacks Coin integration

import { getBufferFromString, getPath, throwIfError } from "../utils";
export const signMessage = (signerContext) => async (deviceId, account, { message }) => {
    if (!message)
        throw new Error(`Message cannot be empty`);
    if (typeof message !== "string")
        throw new Error(`Message must be string`);
    const r = await signerContext(deviceId, signer => signer.sign(getPath(account.freshAddressPath), getBufferFromString(message)));
    throwIfError(r);
    return {
        rsv: {
            r: r.signatureCompact.slice(0, 32).toString("hex"),
            s: r.signatureCompact.slice(32, 64).toString("hex"),
            v: parseInt(r.signatureCompact.slice(64, 65).toString("hex"), 16),
        },
        signature: `0x${r.signatureVRS.toString("hex")}`,
    };
};
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