go-compound

WARNING: this code deals with money both by making blockchain calls and returning information that can be used to lose/gain money. Please use cautiously and dont come complaining if you end up losing money.

go-compound is a Golang client, and library for interacting with the compound.finace API, and interacting with the compound contracts, allowing for the creation of bots trading with the Compound protocol.

Contents

• abi contains json abi definitions for various compound smart contracts
• bindigns contains abigen generated golang bindings for the various abi's
• client contains a client library to build applications that use the compound.finance API and interact with the smart contracts
• cmd contains a small command-line client
• models contains Golang types for the various responses that the API gives. Currently it has types for CTokenService and AccountService responses.
• pb contains protobuf definitions for the compound APIs. Do not use
• sampler contains sampler configurations to enable console based monitoring of your compound accounts

Current Capabilities

APIs

• Complete AccountService calls
• Complete CTokenService calls

Client Library

• Access to APIs via Golang programs, and not having to deal with raw http calls
• Watch account health, signalling and printing on different account health states
• Retrieve supply interest earned for a particular token
• Retrieve total supply interest earned
• Retrieve borrow interest owed for a particular token
• Borrow from any compound contract
• Get borrow rate for any compound contract
• Retrieve list of liquidatable addresses

CLI

• Pretty print full AccountService::AccountResponse information, suitable for piping to jq
• Retrieve account health
• Retrieve supply interest earned for a particular token
• Retrieve total supply interest earned
• Retrieve borrow interest owed for a particular token
• Retrieve a list of addresses that can be liquidated

Monitoring

• Enables monitoring your account with sampler.
• Default sampler config located in sampler/sampler.yml however you'll need to replace the addresses as needed.

Long Term Goals

• Enable persisting retrieve data locally in a DB for fast lookups
• Enable report generation of your holdings
• Enable the MarketHistoryService API
• Enable graphing of MarketHistoryService metrics
• Enable arbitrage between uniswap and compound
  • Enable things like spotting interest rate arbitrages
  • Repayment arbitrages
  • ???

Links

• API Docs
• Compound GitHub
• Compound App
• Compound Website
• comproi
• Defi Saver Compound Manager
• chiragkhatri.me/compound-liquidator
• azizjalel.com/liquidator
• Compound Liquidation Calculator
• aleth.io (analytics)
• zeroin (compound management)

Support

If you like this application feel free to send me some ETH, or whatever (shit)coins you want to get rid of 0xc7459562777DDf3A1A7afefBE515E8479Bd3FDBD.

Misc Q&A's

• Q: on the compound token contracts, what's the different between exchangeRateCurrent and exchangeRateStored
• A: Current calls accrueInterest - stored returns the last computed value