Grand DeCentral

Discreet Log Contract Oracle

Q: What am I looking at here?

The landing page for a (forex, cryptocurrency and futures specific) Discreet Log Contract Oracle.

Q: What does that mean?

You can read the DLC white paper here or watch Tadge Dryja and Gert-Jaap Glasbergen discuss Discreet Log Contracts here .

Q: Ok. I'm just going to pretend I know what a Discreet Log Contract Oracle is. So how do I use it?

/api/pubkey: Returns the public keys of the oracle.

/api/datasources: Returns an array of data sources the oracle publishes.

/api/rpoint/{s}/{t}: Returns the public one-time-signing key for datasource with ID s at the unix timestamp t.

/api/publication/{R}: Returns the value and signature published for data source point R (if published). R is hex encoded [33]byte.

Q: What information does the Discreet Log Contract Oracle attest to?

100 cryptocurrencies (spot price, hourly updates)
170+ fiat currencies (spot price, daily updates)
180+ commodities contracts (futures, daily-ish, depending on the underlying contract).

 curl -q -s https://oracle.granddecentral.com/api/datasources  | python -mjson.tool

Q: The currentValue doesn't seem to make sense?

Q: Wait I don't get what you can do with this....

Q: I get what you can do with this. How can I get in touch?

Q: Can I talk to you about stuff besides Discreet Log Contracts?

A: Shoot your shot.