Questions tagged [oracles]

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3 votes
1 answer

Is there a way for a contract to look at the duration of the timeslot?

Are there oracles for knowing in real time the duration of the Cardano time slot in real time ? One learns in the Plutus Pioneer Program that the duration of this time slot can change, is there a way ...
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3 votes
1 answer

Issues with oracle concurrency

I'm sort of running into an issue with the oracle described in the PPP. It looks like there is race between the oracle to update the exchange rate and the users to use the exchange rate in a swap. We ...
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7 votes
4 answers

How can an oracle guarantee certain update rates respectively uptime?

After reading the question General approach for allowing multiple smart contract transactions per block I'm wondering how an oracle can guarantee update rates respectively uptime. If too many ...
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4 votes
2 answers

What are oracle services going to look like on Cardano?

Can we expect an effort from IOHK to implement oracle services? Or should this be community driven?
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