ink! 3.0 Workshop: Setup

How to setup ink! 3.0 and Canvas Node for the ink! 3.0 workshop at Sub0 2020.

1. Get the rustup Rust installer: https://rustup.rs/
2. Install the Substrate prerequisites:
   • rustup install nightly-2020-10-06
   • rustup target add wasm32-unknown-unknown --toolchain nightly-2020-10-06
3. Install Binaryen's WebAssembly optimizer:
   • Download at: https://github.com/WebAssembly/binaryen#building
4. Default to the nightly compiler from 2020-10-14:
   • rustup default nightly-2020-10-14
5. Install rust-src component from rustup:
   • rustup component add rust-src
6. Install latest cargo-contract version from crates.io:
   • cargo install cargo-contract --vers 0.7.0 --force
   • See if it works: cargo contract help
   • Check if the version is at least 0.7: cargo contract --version
   • Create a new contract with <name> name with. cargo contract new <name>
     • Example for flipper: cargo contract new flipper
7. Install the Canvas node: https://github.com/paritytech/canvas-node
   • Install with:

     cargo +nightly-2020-10-06 install canvas-node --git https://github.com/paritytech/canvas-node.git --tag v0.1.0 --force
     

   • Run local development chain with: canvas --dev
   • Reset local development chain with: canvas purge-chain --dev