Add contract address registry for BSC Testnet deployments

[Copilot]

Centralizes all deployed NetDAG contract addresses (Token, Presale, Vesting, Staking) on BSC Testnet in three locations for different consumption patterns.

Changes

• DEPLOYED-CONTRACTS.md - User-facing documentation with BSCScan links and contract descriptions
• config/deployed-addresses.json - Machine-readable registry for tooling and scripts
• config/contract-config.js - Updated JS config with PRESALE_CONTRACT and VESTING_VAULT addresses, corrected TOKEN_CONTRACT address

Contract Addresses

Contract	Address
Token	0xf8E886791E26DFD9195C1225b4Ca6458725DAe50
Presale	0x74d469c0eEd89b0F17189c824C95622C680f803E
Vesting	0x0aC817497d482629879d9c44fF226C033c5f64D4
Staking	0x7730dCD24b93F171A7B7B85FcDB4193E94614D70

// Usage in application code
import { CONTRACT_CONFIG } from './config/contract-config.js';

const token = CONTRACT_CONFIG.TOKEN_CONTRACT;
const presale = CONTRACT_CONFIG.PRESALE_CONTRACT;
const vesting = CONTRACT_CONFIG.VESTING_VAULT;
const staking = CONTRACT_CONFIG.STAKING_CONTRACT;

Original prompt

📋 Create Contract Address Registry Documentation

Create three files documenting all deployed NetDAG contracts on BSC Testnet.

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FILE 1: DEPLOYED-CONTRACTS.md (root directory)

Create a comprehensive markdown file documenting all contracts:

# 📋 NetDAG Deployed Contracts Registry

**Network:** BSC Testnet (Chain ID: 97)  
**Deployment Date:** February 2026  
**Deployer:** `0xF6b3c63722182eD9e7889aDD34A4F97c25e1B318`

---

## Deployed Contracts

### 1. NDG Token
**Address:** `0xf8E886791E26DFD9195C1225b4Ca6458725DAe50`  
**BSCScan:** https://testnet.bscscan.com/address/0xf8E886791E26DFD9195C1225b4Ca6458725DAe50

ERC-20 token with 1 Billion total supply, 18 decimals, mintable by owner.

### 2. Presale Contract
**Address:** `0x74d469c0eEd89b0F17189c824C95622C680f803E`  
**BSCScan:** https://testnet.bscscan.com/address/0x74d469c0eEd89b0F17189c824C95622C680f803E

9-tier presale with vesting, 5% referral system, accepts BNB/USDT/BUSD.

### 3. Vesting Vault
**Address:** `0x0aC817497d482629879d9c44fF226C033c5f64D4`  
**BSCScan:** https://testnet.bscscan.com/address/0x0aC817497d482629879d9c44fF226C033c5f64D4

Manages token vesting schedules with cliff periods and linear release.

### 4. Staking Contract
**Address:** `0x7730dCD24b93F171A7B7B85FcDB4193E94614D70`  
**BSCScan:** https://testnet.bscscan.com/address/0x7730dCD24b93F171A7B7B85FcDB4193E94614D70

Stake NDG tokens to earn rewards from limited pool (60M NDG).

---

## Network Information

**Chain ID:** 97 (BSC Testnet)  
**RPC URL:** https://data-seed-prebsc-1-s1.binance.org:8545/  
**Explorer:** https://testnet.bscscan.com  
**Faucet:** https://testnet.bnbchain.org/faucet-smart

---

FILE 2: config/deployed-addresses.json

Create JSON configuration file:

{
  "network": "bsc-testnet",
  "chainId": 97,
  "contracts": {
    "token": "0xf8E886791E26DFD9195C1225b4Ca6458725DAe50",
    "presale": "0x74d469c0eEd89b0F17189c824C95622C680f803E",
    "vesting": "0x0aC817497d482629879d9c44fF226C033c5f64D4",
    "staking": "0x7730dCD24b93F171A7B7B85FcDB4193E94614D70"
  },
  "explorer": "https://testnet.bscscan.com",
  "rpc": "https://data-seed-prebsc-1-s1.binance.org:8545/"
}

---

FILE 3: Update config/contract-config.js

Add contract addresses to the existing configuration file:

export const CONTRACT_CONFIG = {
  // Contract Addresses
  TOKEN_CONTRACT: '0xf8E886791E26DFD9195C1225b4Ca6458725DAe50',
  PRESALE_CONTRACT: '0x74d469c0eEd89b0F17189c824C95622C680f803E',
  VESTING_VAULT: '0x0aC817497d482629879d9c44fF226C033c5f64D4',
  STAKING_CONTRACT: '0x7730dCD24b93F171A7B7B85FcDB4193E94614D70',
  
  // Network Config
  CHAIN_ID: 97,
  NETWORK_NAME: 'BNB Smart Chain Testnet',
  RPC_URL: 'https://data-seed-prebsc-1-s1.binance.org:8545/',
  EXPLORER_URL: 'https://testnet.bscscan.com',
};

---

Requirements:

• Create DEPLOYED-CONTRACTS.md in root with all contract details
• Create config/deployed-addresses.json with structured data
• Update config/contract-config.js with all addresses
• Include BSCScan links for each contract
• Use exact addresses provided
• Maintain proper formatting and valid JSON

This pull request was created from Copilot chat.

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