CDR #074 txFusion | Price Feeds

INTRODUCTION

Protocol: txFusion

Website: https://zksync.io/

Integration: Asset price information to enable assets to be used for paying gas fees on zkSync

Use case: Retrieving the price of different tokens on zkSync in USD

Blockchain: zkSync Network

REQUEST INFORMATION

Assets

The following assets will be included in the Oracle:

Asset Ticker Asset Blockchain Asset Address Asset Markets Overview Comments
STORJ Ethereum 0xB64ef51C888972c908CFacf59B47C1AfBC0Ab8aC STORJ Markets Overview
ETH Ethereum 0x000000000000000000000000000000000000800A ETH Markets Overview
USDC Ethereum 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 USDC Markets Overview

Methodology

  • Pricing methodology: deviation-based method & 24-hour heartbeart
  • Update trigger: 5% deviation - STORJ & ETH; 1% deviation - USDC
  • Heartbeat: All assets will be updated every 24h period if there are no deviation based updates

DELIVERY INFORMATION

  • Delivery method: Oracle on zkSync
  • Testnet required: yes (mainnet priority)

NOTES

Additional relevant information:

  • We need separate pairs for STORJ/USD, ETH/USD and USDC/USD prices on zkSync networks (both testnet and mainnet).
  • For the STORJ/USD and ETH/USD pairs, we would like to have deviation-based delivery method with 5% deviation.
  • For the USDC/USD price feed, we would go with 1% deviation-based trigger
  • All assets will be updated every 24h period if there are no deviation based updates

Please add WSTETH to the above Oracle with a 5% deviation-based update trigger.

wstETH/USD has been added as an additional feed to botth deployed instances
(Asset: Ethereum-0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0)

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