UMIP 136 -Add IS_RELAY_VALID as a supported price identifier

Mhairi · March 3, 2022, 3:22pm

The DVM should support price requests for IS_RELAY_VALID.

UMAprotocol/UMIPs/blob/master/UMIPs/umip-136.md

## Headers

| UMIP-136            |                                                    |
| ------------------- | -------------------------------------------------- |
| UMIP Title          | Add IS_RELAY_VALID as a supported price identifier |
| Authors             | Matt Rice                                          |
| Status              | Last Call                                          |
| Created             | 2021-10-18                                         |

# Summary 

The DVM should support price requests for IS_RELAY_VALID.


# Motivation

IS_RELAY_VALID will allow the DVM to validate relay requests coming from Optimism or Arbitrum using the bridge contracts [here](https://github.com/UMAprotocol/protocol/tree/master/packages/core/contracts/insured-bridge).

This system will allow users on L2 to quickly transfer their funds back to L1 and avoid the long withdrawal waiting periods associated with the rollups for a marginal fee that will be paid to LPs that are willing to wait for the funds to transfer over the canonical bridge.

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