Mac os

brew install coreutils

Make chain spec file

./target/debug/appchain-atocha build-spec --disable-default-bootnode --chain dev > atochaSpec.json ./target/release/appchain-atocha build-spec --disable-default-bootnode --chain dev > atochaSpec.json sha256sum atochaSpec.json > SHA256SUMS

Start a test net.

./target/debug/appchain-atocha --ws-external --rpc-external --rpc-cors=all --prometheus-external --alice --chain local --base-path /tmp/alice ./target/debug/appchain-atocha --dev --rpc-external --rpc-cors=all --tmp

Update test-net

cargo update -p pallet-octopus-appchain