38 lines
1.0 KiB
Plaintext
38 lines
1.0 KiB
Plaintext
contract Oracles =
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type fee = int
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type ttl = Chain.ttl
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type query_t = string
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type answer_t = string
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type oracle_id = oracle(query_t, answer_t)
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type query_id = oracle_query(query_t, answer_t)
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function createQuery(o : oracle_id,
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q : query_t,
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qfee : fee,
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qttl : ttl,
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rttl : ttl) : query_id =
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require(qfee =< Call.value, "insufficient value for qfee")
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Oracle.query(o, q, qfee, qttl, rttl)
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function respond(o : oracle_id,
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q : query_id,
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sign : signature,
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r : answer_t) : () =
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Oracle.respond(o, q, signature = sign, r)
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function getQuestion(o : oracle_id,
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q : query_id) : query_t =
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Oracle.get_question(o, q)
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function getAnswer(o : oracle_id,
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q : query_id) : option(answer_t) =
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Oracle.get_answer(o, q)
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private function require(b : bool, err : string) =
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if(!b) abort(err)
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