thierrymarianne / contrib-ledger-project-eu-substrate-nft

Substrate NFT !ink smart contract base

Substrate !ink NFT simple implementation

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This is a simple working version of base NFT smart contract written using latest (as of this date) !ink 3.0.0-rc3.

To run all tests:

cargo +nightly test

To compile to WASM:

cargo +nightly contract build 

Original wasm size: 47.4K, Optimized: 26.3K

Once your contract is compiled you can find artifacts in: <PROJECT_DIR>/target/ink

• nft.contract (code + metadata)
• nft.wasm (the contract's code)
• metadata.json (the contract's metadata)

If you are facing any issues please follow the setup step of substrate environment at:

https://substrate.dev/substrate-contracts-workshop/#/0/setup

Testing on using Polk4 canvas network

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You can upload this contract and interract with it either via your own local Canvas node or using Polk4 Canvas testnet.

• Head to https://paritytech.github.io/canvas-ui/
• In node settings input custom node endpoint: wss://canvas.polk4.net
• Upload nft.contract into the node via UI
• Instantiate a contract and make RPC calls/transactions 🎉

License

This NFT template is MIT