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This repository contains a set of example contracts for ink!.

Have a look at the different examples to better understand how to use ink! to build your own Substrate smart contracts.

For building the example smart contracts found in this folder you will need to have cargo-contract installed.

cargo install cargo-contract --force

We use the --force to update to the most recent cargo-contract version.

To build a single example and generate the contracts Wasm file, navigate to the root of the smart contract and run the following command:

cargo contract build

You should now have an optimized <contract-name>.wasm file, a metadata.json file and a <contract-name>.contract file in the target folder of your contract. The .contract file combines the Wasm and metadata into one file and can be used for instantiation.

The examples in this folder are released into the public domain. We hope they help you build something great with ink!.

See the LICENSE file in this folder for more details.