@reservoir0x/relay-kit-ui/_esm/src/utils/hashing.js

Relay is the Fastest and Cheapest Way to Bridge and Transact Across Chains.

import { sha256 as _sha256 } from '@noble/hashes/sha2.js';
function normalizeAndStringify(obj) {
    const replacer = (_key, value) => {
        if (typeof value === 'bigint')
            return value.toString();
        if (typeof value === 'undefined')
            return null;
        if (typeof value === 'object' &&
            value !== null &&
            'toString' in value &&
            typeof value.toString === 'function') {
            return value.toString();
        }
        return value;
    };
    const sortObject = (obj) => {
        if (obj === null || typeof obj !== 'object') {
            return obj;
        }
        if (Array.isArray(obj)) {
            return obj.map(sortObject);
        }
        // Convert object to array of [key, value] pairs and sort by key
        const sortedEntries = Object.entries(obj)
            .sort(([keyA], [keyB]) => keyA.localeCompare(keyB))
            .map(([key, value]) => [key, sortObject(value)]);
        return sortedEntries;
    };
    const sorted = sortObject(obj);
    return JSON.stringify(sorted, replacer);
}
export function sha256(params) {
    const str = normalizeAndStringify(params);
    const bytes = new TextEncoder().encode(str);
    const hash = _sha256(bytes);
    return [...hash].map((b) => Number(b).toString(16).padStart(2, '0')).join('');
}
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