@ledgerhq/coin-internet_computer/lib/hw-signMessage.js

Ledger Internet Computer integration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.signMessage = void 0;
const logs_1 = require("@ledgerhq/logs");
const utils_1 = require("./common-logic/utils");
const consts_1 = require("./consts");
function bufferToArrayBuffer(buffer) {
    const sig = buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength);
    return Buffer.from(sig);
}
const signMessage = (signerContext) => async (deviceId, account, { message }) => {
    (0, logs_1.log)("debug", "start signMessage process");
    if (!message)
        throw new Error("Message cannot be empty");
    if (typeof message !== "string")
        throw new Error("Message must be a string");
    const { r } = await signerContext(deviceId, async (signer) => {
        const r = await signer.sign(account.freshAddressPath, (0, utils_1.getBufferFromString)(message), consts_1.ICP_SEND_TXN_TYPE);
        return { r };
    });
    if (!r.signatureRS) {
        throw Error("Signing failed");
    }
    return {
        rsv: {
            r: "",
            s: "",
            v: 0,
        },
        signature: bufferToArrayBuffer(r.signatureRS).toString("hex"),
    };
};
exports.signMessage = signMessage;
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