Vesper-bot

Vesper bot automate pool operations.

Setup

• Clone bot repository

  git clone git@github.com:bloqpriv/vesper-bot.git
  

• Install npm modules

  npm i
  

• Set environment variable in .env file at project root.

  MNEMONIC=<<mnemonic>>
  NODE_URL=<<ethereum mainnet /testnet node url>>
  

  Add below variables for polygon network

  NETWORK="polygon"
  POLYGON_NODE_URL=<<polygon mainnet /testnet node url>>
  

• Fork mainnet

  npm run fork
  

Testing with fork

Rebalance

In this function will deposit/withdraw fund from pool/strategies and market providers.

• Rebalance for all active strategies

   serverless invoke local --function rebalance --data '{"pools": "vVSP,vWBTC,vDAI"}'

• Rebalance for one strategy

   serverless invoke local --function rebalance --data '{"pools": "vUSDT", "strategy" : "<<address>>"}'

Revenue Splitter

This function split revenue between Vesper strategy developer and VBC after deducting pool operational cost.

serverless invoke local --function splitRevenue

V3 Pool functions

• lowWater - This function will call rebalance if a maker strategy is lowWater.
• feeTransfer - This function will sweep erc20 tokens (vtokens) from strategies.
• updateOracles - This function will update oracles.
• buybackVsp - Buyback VSP using an asset with provided amount.

V2 Pools Functions

• accrueInterest - This function calls accrue interest` on V2 pools.
• resurface - This function will resurface pool if it goes under water for maker strategies.
• rebalanceCollateral - This function will rebalance collateral ratio for maker strategies.
• deployFund - This function will deposit fund to corresponding market provider.

VUSD Functions

• claimComp - This function will claim comp from VUSD treasury and convert to one of allowed tokens.

AWS deployment (Secret/Dynamodb/Lambda)

Follow below steps to deploy Vesper bot in AWS environment.

• Setup aws credential ~/.aws/credentials Stage environment.

• Create AWS secret with following keys for ethereum mainnet

• Crate an account on https://papertrailapp.com/ and setup project for logging.

  vesper-bot-stage-DEPLOYMENT_ACCOUNT_KEY   // Mnemonic
  vesper-bot-stage-NODE_URL                 // Ethereum mainnet URL
  vesper-bot-stage-LOGGER_PAPERTRAIL_HOST   // Papertrail host
  vesper-bot-stage-LOGGER_PAPERTRAIL_PORT   // Papertrail port

• Create aws dynamodb table with name stage_vesper_bot_transaction with field src/db/schema.js

• Deploy AWS lambda functions

serverless deploy --stage stage

• Grant access to all secret keys/dynamo db table for all lambda functions