Prosopo Protocol

Prosopo Protocol smart contract repository.

Created with ink! and the official Substrate Contracts Workshop.

Prerequisites

Follow the Substrate Develop a smart contract guide guide to install pre-requisites.

These are the steps for Ubuntu:

1. Install Substrate dependencies

2. Add Rust packages and dependencies

rustup default stable
rustup update
rustup update nightly
rustup target add wasm32-unknown-unknown --toolchain nightly

3. Setup a contracts compatible node. For example, install the Substrate Contracts Node.

4. Install cargo-contract

Build

Note: Use the --release flag to minimise contract size if the contract is too large to put on-chain.

Build the contract from within the contracts/<contract_name> folder.

cargo +nightly contract build

Test

Run the tests using the following command from within the contracts/<contract_name> folder.

cargo +nightly test --no-default-features --features std --verbose -- --nocapture

Install tarpaulin if you wish to see code coverage.

cargo install cargo-tarpaulin

Run with the following command to see code coverage metrics.

cargo +nightly tarpaulin --no-default-features --features std --verbose -- --nocapture

Deploy

The contract can be deployed from the command line using cargo-contract:

cargo contract instantiate $WASM --args "$ARGS_OWNER $ARGS_PROVIDER_STAKE_DEFAULT" --constructor $CONSTRUCTOR --suri $SURI --value $ENDOWMENT --url '$ENDPOINT:$PORT'

Example values for the variables are given below

ENDPOINT=ws://0.0.0.0
PORT=9944
SURI=//Alice
WASM=./target/ink/prosopo.wasm
CONSTRUCTOR=default
ARGS_OWNER=5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY # Alice's account
ARGS_PROVIDER_STAKE_DEFAULT=2000000000000
ENDOWMENT=1000000000000