Test.kt

    override fun createSpecialOperations(position: SpecialTransactionPosition, bctx: BlockEContext): List<OpData> {
        if (position == SpecialTransactionPosition.Begin) {
            val retval = mutableListOf<OpData>()
            val rqs = this.module.query(bctx, "get_auth_requests",
                    GtvDictionary.build(mapOf()))

            for (r in rqs.asArray()) {
                val rString = r.asString()
                val res = pendingRequests[rString]
                if (res != null) {
                    if (res.resolved) {
                        retval.add(OpData("__auth",
                           arrayOf(
                                   r,
                                   gtv(if (res.authorized) 1 else 0)

                           )))
                    } else {
                        // otherwise we are waiting till it resolves
                    }
                } else {
                    val res = Response(false, false, null)
                    pendingRequests[rString] = res
                    res.task = task {
                        val externalResponse = callExternalService(rString)
                        res.resolved = true
                        res.authorized = externalResponse
                    }
                }
            }
            return retval
        } else return listOf()
    }