npm install
npx hardhat flatten internal/MultichainToken.sol | sed '/SPDX-License-Identifier:/d' | sed 1i'// SPDX-License-Identifier: GPL-3.0-or-later' > contracts/MultichainToken.sol
- use hardhat
npx hardhat compile
- use remix
npm install
npx hardhat flatten internal/MultichainToken.sol | sed '/SPDX-License-Identifier:/d' | sed 1i'// SPDX-License-Identifier: GPL-3.0-or-later' > contracts/MultichainToken.sol
npx hardhat compile