This is a Derive Macro for Workflow-Aurras. This macro implement functionalities for interaction between substrate based chain
```
pub struct Data { url: String, #[serde(default)] ownerkey: String, #[serde(default)] opvalues: Transactioninput, }
struct Transactioninput { address: String, #[serde(default)] amount: u32, #[serde(default)] era: u32, }
```
Licensed under Apache-2.0