https://doc.rust-lang.org/cargo/getting-started/installation.html
https://github.com/Brushfam/openbrush-contracts
https://github.com/Brushfam/sol2ink/releases/tag/v2.1.0
cargo install contracts-node --git https://github.com/paritytech/substrate-contracts-node.git
cargo install cargo-contract --version 2.2.1
cargo contract new contract
rustup toolchain install nightly-2023-01-01
rustup default nightly-2023-01-01
https://github.com/Brushfam/patron-backend/blob/master/docs/cli.md
- Here we specify cargo-contract version (2.2.1) and rustc version (1.68.0)