@trezor/connect-plugin-ethereum/lib/index.js

@trezor/connect plugin for Ethereum

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformTypedData = void 0;
const tslib_1 = require("tslib");
const sigUtil = tslib_1.__importStar(require("@metamask/eth-sig-util"));
function sanitizeData(data) {
    switch (Object.prototype.toString.call(data)) {
        case '[object Object]': {
            const entries = Object.keys(data).map(k => [k, sanitizeData(data[k])]);
            return Object.fromEntries(entries);
        }
        case '[object Array]':
            return data.map((v) => sanitizeData(v));
        case '[object BigInt]':
            return data.toString();
        default:
            return data;
    }
}
const transformTypedData = (data, metamask_v4_compat) => {
    if (!metamask_v4_compat) {
        throw new Error('Trezor: Only version 4 of typed data signing is supported');
    }
    const version = sigUtil.SignTypedDataVersion.V4;
    const { types, primaryType, domain, message } = sigUtil.TypedDataUtils.sanitizeData(data);
    const domainSeparatorHash = sigUtil.TypedDataUtils.hashStruct('EIP712Domain', sanitizeData(domain), types, version).toString('hex');
    let messageHash = null;
    if (primaryType !== 'EIP712Domain') {
        messageHash = sigUtil.TypedDataUtils.hashStruct(primaryType, sanitizeData(message), types, version).toString('hex');
    }
    return Object.assign({ domain_separator_hash: domainSeparatorHash, message_hash: messageHash }, data);
};
exports.transformTypedData = transformTypedData;
exports.default = exports.transformTypedData;
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