Instructions

Fill in the blanks creating a contract the keeps track of a counter, adding a value to it with every add transaction.
Build the contract instance make release.
Go to the ContractsUI.
Deploy and interact with the contract by adding a value. Retireve the updated value.
Use the //Alice (bottom drive obey lake curtain smoke basket hold race lonely fit walk/Alice) account to sign your transactions, it has some funds to cover the gas fees. Add it to polkadot.js extension .

License

Licensed under the terms of the GPL-3 or later.