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LegacyRequest.md

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Query Name

  • LegacyRequest

Query Description

This is the type for all legacy requests (created and running before 12/01/2021), you should use the SpotPrice query type instead.

Query Parameters

The LegacyRequest query has one parameter, which specifies the requested data.

  1. requestId (uint256): unique identifier of the request. Each requestId maps to a an asset/currency pair. For example requestId 1 means the spot price of ETH in USD.

The requestId should be a requestId from the Tellor system before the TellorX upgrade. Unlike all newer queryIds, the hash of the queryData is not the queryId for LegacyRequest Query types.

Granularity

1000000 (6 decimals)

Example Value (w/ date)

9/27/21 - 3000000000

Supported Data

Only certain ID's are valid for legacy requests. The others will be considered null and any price feeds wanted other than this list should use the SpotPrice type.

Existing LegacyRequest queries: - requestId: 1 (ETH/USD) - requestId: 2 (BTC/USD) - requestId: 10 (AMPL/USD) - requestId: 41 (USPCE value) - requestId: 50 (TRB/USD) - requestId: 59 (ETH/JPY)

Dispute Considerations

Be sure to use multiple exchanges, as one exchange could potentially slip out of alignment with others. Also, be sure to note w/ regard to the "current" specification, that Ethereum blocks can take time to mine and prices move quickly. A valid answer may not correspond to reality when it gets accepted in a block.

Notes