use ethers::prelude::abigen; // run `cargo doc -p contract-interface --open` to read struct definition abigen!( ZgsFlow, "../../zerog-storage-contracts/artifacts/contracts/dataFlow/Flow.sol/Flow.json" ); abigen!( PoraMine, "../../zerog-storage-contracts/artifacts/contracts/test/PoraMineTest.sol/PoraMineTest.json" );