Build on Tangle Network

use blueprint_sdk::Router;
use blueprint_sdk::tangle::extract::{Caller, TangleArg, TangleResult};
use blueprint_sdk::alloy::sol;

sol! {
  struct PriceRequest  { string asset; }
  struct PriceResponse { uint256 price; }
}

pub const FETCH_PRICE: u8 = 0;

/// Fetch a live asset price. Operators earn
/// fees on every call to this job.
pub async fn fetch_price(
  Caller(who): Caller,
  TangleArg(req): TangleArg<PriceRequest>,
) -> TangleResult<PriceResponse> {
  let price = get_price(&req.asset).await?;
  TangleResult(PriceResponse { price });
}

pub fn router() -> Router {
  Router::new().route(FETCH_PRICE, fetch_price)
}