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Problem statement :

Yoroi backend doesn’t have the capability for fetching metadata from oracle endpoints.

Describe your solution to the problem

We want to implement a new Yoroi backend endpoint that will provide the metadata oracles datapoints.

Relevant experience

We launched the first metadata oracle on Cardano, and we were the first community public oracle pool on Ergo blockchain.

Detailed plan (not required) – Fill in here any additional details

Cardano metadata oracles (nut.link) are the first generation of oracles providing external data sources to the blockchain, that the developers can use.

Yoroi backend is used by multiple wallets, such as Yoroi, Atomic and others. Currently, Yoroi backend doesn’t have the capability for fetching metadata from oracle endpoints. https://github.com/Emurgo/yoroi-graphql-migration-backend/

We want to implement a new Yoroi backend endpoint that will provide the metadata oracles datapoints.

 

## Deliverables

We will implement and propose a change to Yoroi backends that will introduce a new endpoint will enable wallet developers to:

  • Fetch the metadata oracles data points
  • Filter by the time of the datapoint
  • Filter the datapoints by a list of trusted oracles
  • Filter by a datapoint ticker (ADATC, ADAUSD…)
  • Filter by the source of a ticker (coingecko, cryptoconpare, Ergo…)

 

## Relevant experience

We have experience with oracles on UTXO blockchains. We launched the first metadata oracle on Cardano, and we were the first community public oracle pool on Ergo blockchain.

Five Binaries is an infrastructure development company. We’re Cardano pioneers – with the first Cardano block minted on an aeroplane, first stake pool on the ITN and the first Shelley transaction on the mainnet.

We are trusted by customers such as Emurgo, Trezor or Ergo Foundation. To get in touch or find more information about us, please visit https://fivebinaries.com/.

Which of these definitions apply to you? Stakepool operator, Developer, Entrepreneur

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Metadata oracle endpoint in Yoroi

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