modbender Warren NFT - On-Chain NFT Collection Deployment
Deploy complete NFT collections with permanent on-chain image storage on MegaETH testnet. All images are stored using SSTORE2 bytecode storage in a WarrenContainer, and each collection gets its own NFT contract with minting support.
Network: MegaETH Testnet (Chain ID: 6343)
RPC: https://carrot.megaeth.com/rpc
Explorer: https://megaeth-testnet-v2.blockscout.com
How It Works
Your Images → SSTORE2 (on-chain) → WarrenContainer → WarrenLaunchedNFT
/images/1.png tokenURI renders
/images/2.png images on-chain
...
- Each image is deployed as a Page contract (fractal tree for >15KB images)
- All images are stored in a WarrenContainer NFT at
/images/1.png,/images/2.png, etc. - A WarrenLaunchedNFT contract is deployed referencing the container
- Minting is enabled and the collection is registered on megawarren.xyz
Setup (One Time)
cd {baseDir}
bash setup.sh
Get testnet ETH: https://docs.megaeth.com/faucet Genesis Key NFT auto-mints during first deployment (free on testnet).
Deploy NFT Collection
Option 1: From Image Folder
Prepare a folder with numbered images:
my-art/
├── 1.png
├── 2.png
├── 3.png
└── ...
Deploy:
cd {baseDir}
PRIVATE_KEY=0x... node deploy-nft.js \
--images-folder ./my-art/ \
--name "Cool Robots" \
--symbol "ROBOT" \
--description "100 unique robot NFTs on-chain" \
--max-supply 100
Option 2: Auto-Generate SVG Art
Generate unique SVG art programmatically:
cd {baseDir}
PRIVATE_KEY=0x... node deploy-nft.js \
--generate-svg 10 \
--name "Generative Art" \
--symbol "GART" \
--description "AI-generated on-chain art"
Full Configuration
PRIVATE_KEY=0x... node deploy-nft.js \
--images-folder ./collection/ \
--name "Cyber Punks" \
--symbol "CPUNK" \
--description "On-chain cyberpunk collection" \
--max-supply 1000 \
--whitelist-price 0.01 \
--public-price 0.02 \
--max-per-wallet 5 \
--royalty-bps 500
CLI Options
| Option | Required | Default | Description |
|---|---|---|---|
--images-folder <path> |
* | - | Folder with image files |
--generate-svg <count> |
* | - | Generate random SVG art (1-256) |
--name <string> |
Yes | - | Collection name |
--symbol <string> |
Yes | - | Collection symbol (3-5 chars) |
--description <text> |
No | Auto | Collection description |
--max-supply <number> |
No | Image count | Maximum mintable NFTs |
--whitelist-price <eth> |
No | 0 | Whitelist mint price in ETH |
--public-price <eth> |
No | 0 | Public mint price in ETH |
--max-per-wallet <number> |
No | 10 | Mint limit per wallet |
--royalty-bps <number> |
No | 500 | Royalty (500 = 5%, max 1000 = 10%) |
* Either --images-folder or --generate-svg is required.
Output
After deployment, you'll receive:
🎉 NFT Collection Deployed!
============================================================
NFT Contract: 0xABC...
Container ID: 15
Image Count: 10
Max Supply: 100
Public Price: 0 ETH (Free)
📋 Management: https://megawarren.xyz/launchpad/0xABC.../
🎨 Mint Page: https://megawarren.xyz/launchpad/0xABC.../mint
============================================================
- Management Page: Change mint state, prices, airdrop, withdraw funds
- Mint Page: Public-facing page for minting your NFTs
Image Requirements
- Formats: PNG, JPG, JPEG, SVG, GIF, WebP
- Size: Up to 500KB per image
- Count: 1-256 images per collection
- Naming: Sequential (1.png, 2.png) or alphabetical (auto-numbered)
- Images >15KB are automatically split using fractal tree architecture
Gas Costs (Testnet)
| Component | Estimated Cost |
|---|---|
| Per image chunk (15KB) | ~0.002 ETH |
| Container minting | ~0.001 ETH |
| NFT contract deployment | ~0.003 ETH |
| 10 images (small) | ~0.03 ETH |
| 50 images (medium) | ~0.12 ETH |
| 100 images | ~0.25 ETH |
Stress Test Workflows
Quick Test (3 SVGs)
cd {baseDir}
PRIVATE_KEY=0x... node deploy-nft.js --generate-svg 3 --name "Quick Test" --symbol "QT"
Medium Test (20 SVGs)
cd {baseDir}
PRIVATE_KEY=0x... node deploy-nft.js --generate-svg 20 --name "Art Collection" --symbol "ART" --public-price 0.001
Full Test (100 SVGs)
cd {baseDir}
PRIVATE_KEY=0x... node deploy-nft.js --generate-svg 100 --name "Century" --symbol "C100" --max-per-wallet 3
Contract Addresses (Testnet)
| Contract | Address |
|---|---|
| Genesis Key NFT | 0x954a7cd0e2f03041A6Abb203f4Cfd8E62D2aa692 |
| WarrenContainer | 0xabba293F4eC5811ed15549D11020Df79c7f1Fa0B |
| ContainerRenderer | 0x99D70834fdEB882297C97aD67b31B071f9c10E6D |
Troubleshooting
"No ETH" → Get testnet ETH from https://docs.megaeth.com/faucet
"GenesisKeyRequired" → Genesis Key auto-mints. If failing, check balance > 0.001 ETH
"Image exceeds 500KB" → Resize or compress images before deployment
"Too many images" → Maximum 256 images per container (TypeRegistry limit)
"TooManyFiles" → Same as above, reduce image count
DB registration warning → Non-critical. Collection still works on-chain. Management/mint pages will load from on-chain data.