gas-oracle-trait

(define-trait gas-oracle-trait (
  (get-transaction-gas-cost-in-usd
    (uint uint)
    (response uint uint)
  )
  (get-transaction-gas-cost-in-native-token
    (uint uint)
    (response uint uint)
  )
  (get-price
    (uint)
    (response uint uint)
  )
))