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Acala EVM+ Truffle Example: Echo

This is a basic example on how to setup your Truffle development environment as well as testing and deployment configuration to be compatible with Acala EVM+. It contains a rudimentary Echo smart contract and the required configurations and scripts in order to test and deploy it.

Start a Local Development Stack

clean up docker containers

docker compose down -v

start the local development stack

cd ../ # compose file is at root dir
docker compose up

once you see logs like this, the local development stack is ready. It's ok if there are some warnings/errors in the logs, since there is no transaction in the node yet.

 --------------------------------------------
              🚀 SERVER STARTED 🚀
 --------------------------------------------
 version         : bodhi.js/eth-rpc-adapter/2.7.7
 endpoint url    : ws://mandala-node:9944
 subquery url    : http://graphql-engine:3001
 listening to    : 8545
 max blockCache  : 200
 max batchSize   : 50
 max storageSize : 5000
 safe mode       : false
 local mode      : false
 rich mode       : false
 http only       : false
 verbose         : true
 --------------------------------------------

For more information about the local development stack, please refer to the doc.

Run

install deps

yarn

compile contracts and build types

yarn build

deploy the contract with migrations/*.js

yarn deploy:mandala

run tests with test/*.js

yarn test:mandala

run with public mandala

you can also run these scripts with public mandala by inserting your own account key to truffle-config.js, and then

yarn deploy:mandalaPub
yarn test:mandalaPub

More References