Rocket Pool rETH Exchange Rate Oracle for Arbitrum

This repository contains 2 main contracts. RocketArbitrumPriceMessenger which can be called by anyone to submit the current rETH exchange rate (as reported by RocketNetworkBalances) to the RocketArbitrumPriceOracle contract which is deployed on Arbitrum.

Notice

Rocket Pool provides this exchange rate oracle as-is for convenience and offers no guarantee about its accuracy or the freshness of the data. These contracts have not been formally audited for security or correctness.

Usage

Calling rate() on RocketArbitrumPriceOracle will return the latest rETH exchange rate reported. This value is in the form of the ETH value of 1 rETH. e.g. If 1 rETH is worth 1.5 ETH rate() will return 1.5e18. lastUpdated() can be called to retrieve the timestamp that the rate was last updated.

Deployments

Rocket Pool maintains a Goerli testnet instance of the protocol alongside our mainnet deployment which can be used for integration testing before promotion to mainnet.

Chain	RocketOvmPriceMessenger (EVM)	RocketOvmPriceOracle (Arbitrum)	RocketBalancerRateProvider (Arbitrum)
Mainnet	0x312FcFB03eC9B1Ea38CB7BFCd26ee7bC3b505aB1	0x7EcCBbd05830EdF593d30005B8F69E965AF4D59f	0xd4E96eF8eee8678dBFf4d535E033Ed1a4F7605b7
Goerli	0x2b52479F6ea009907e46fc43e91064D1b92Fdc86	0x594Fb75D3dc2DFa0150Ad03F99F97817747dd4E1	tba

Deploying and Submitting

There is a simple deploy script (deploy.js) that can be run with node deploy.js. You will need to create a suitable .env file first. Example .env file is available for Goerli and Mainnet.

There is a script which will execute the submitRate function on the RocketArbitrumPriceMessenger (submit.js). After setting up a suitable .env file, run with node submit.js.