# UMIP 113 -Register Polygon Oracle Root Tunnel

**URL:** <https://discourse.uma.xyz/t/umip-113-register-polygon-oracle-root-tunnel/1525>\
**Category:** technical UMIPs\
**Created:** [March 3, 2022, 2:09pm UTC](https://discourse.uma.xyz/t/umip-113-register-polygon-oracle-root-tunnel/1525 "2022-03-03T14:09:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Mhairi](https://yyz2.discourse-cdn.com/flex032/user_avatar/discourse.uma.xyz/mhairi/32/48_2.png) [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Post date:** [March 3, 2022, 2:09pm UTC](https://discourse.uma.xyz/t/umip-113-register-polygon-oracle-root-tunnel/1525/1 "2022-03-03T14:09:25Z")

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This UMIP will have the effect of registering an oracle root tunnel contract that will enable the optimistic oracle deployed on Polygon to make cross-chain price requests to the DVM on mainnet Ethereum.

> <https://github.com/UMAprotocol/UMIPs/blob/master/UMIPs/umip-113.md>