fluence-js/packages/core/js-peer/aqua_test/sigService.aqua

module Export

import SignResult, Sig from "../aqua/services.aqua"
export Sig, DataProvider, callSig

service DataProvider("data"):
    provide_data() -> []u8

func callSig(sigId: string) -> SignResult:
    data <- DataProvider.provide_data()
    Sig sigId
    signature <- Sig.sign(data)
    <- signature