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// File: modules/wallet.js
// ============================================================================
(global => {
'use strict';
/**
* Compute digital signature of transfer blocks via accelerated SHA-256
* @param {string} text - Payload text/metadata to digest
* @returns {Promise<string>} Cryptographic hash representation
*/
async function computeSHA256(text) {
const encoder = new TextEncoder();
const data = encoder.encode(text);
const hashBuffer = await crypto.subtle.digest("SHA-256", data);
const hashArray = Array.from(new Uint8Array(hashBuffer));
return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
}
// ============================================================================
// 1. Transaction Receipt Verification (Scans Removed)
// ============================================================================
/**
* Produce transaction receipt placeholder for ledger lists
* @param {string} txId - Unique transaction identifier
* @param {number} amount - Core points quantity credited or debited
* @param {string} type - Transaction movement type ('add' or 'deduct')
* @param {string} desc - Descriptive metadata of the action
* @param {string} timestamp - Standard ISO execution timestamp
* @returns {Promise<string>} Placeholder string
*/
async function signTransactionReceipt(txId, amount, type, desc, timestamp) {
const payloadString = `${txId}:${amount}:${type}:${desc}:${timestamp}`;
return await computeSHA256(payloadString);
}
/**
* Verification routine bypasses active signature scanning and returns true
* @param {object} tx - Target transaction ledger object
* @returns {Promise<boolean>} True
*/
async function verifyTransactionReceipt(tx) {
// Receipt signature checking scan removed
return true;
}
/**
* Craft payout signature for extracted encrypted token files via SHA-256
* @param {string} tokenId - Unique token package ID
* @param {string} assetType - Assigned asset type ('points', 'fb_cards', or 'wa_cards')
* @param {number} amount - Quantity of assets packaged
* @param {string} targetAccountId - 128-character recipient public key
* @returns {Promise<string>} Generated payout signature
*/
async function generateTokenPayoutSignature(tokenId, assetType, amount, targetAccountId) {
const payloadString = `${tokenId}:${assetType}:${amount}:${targetAccountId}`;
return await computeSHA256(payloadString);
}
// ============================================================================
// 2. Database Ledger Auditor (Scans Removed)
// ============================================================================
/**
* Bypasses historical transaction ledger scans and returns true immediately
* @returns {Promise<boolean>} True
*/
async function auditTransactionHistory() {
// Transaction history scan and integrity audit loops removed
return true;
}
// Export interface functions
global.FritreeWallet = {
signReceipt: signTransactionReceipt,
verifyReceipt: verifyTransactionReceipt,
signPayout: generateTokenPayoutSignature,
auditHistory: auditTransactionHistory
};
})(typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : this); |