a Golang sdk for working with DeFi protocols, and ethereum compatible blockchains


A golang sdk for working with DeFi protocols and general utilities for working with ethereum-compatible blockchains.

packages

  • bclient
  • bindings
  • cli
  • config
  • database
  • sushiswap
  • uniswap
  • testenv
  • utils

bclient

Provides a wrapper around the ethclient package

bindings

Provides code generated by abigen for working with smart contracts:

  • bindings/erc20 provides generated code for working with ERC20 contracts
  • bindings/oneinch/v2 provides generated code for working with OneInch V2 router contracts
  • bindings/oneinch/v3 provides generated code for working with OneInch V3 router contracts
  • unicrypt/presalefactory provides generated code for working with UniCrypt presale factories
  • uniswap/* provides generated code for working with Uniswap V2 contracts (note these can also be used for working with the corresponding sushiswap contracts)

cli

cli package

config

configuration management package

database

database management packlage

sushiswap

Wrapper around go-ethereum's ethclient package for using sushiswap v2.

uniswap

Wrapper around go-ethereum's ethclient package for using uniswap v2.

testenv

Provides a wrapper around the SimulatedBackend allowing for an in-memory blockchain. It is particularly useful for local smart contract development, or developing backend dApps.

utils

Provides utility functions including all goethereum book utils, a helper to make bind.TransactOpts safe for concurrent use, as well as a general Blockchain interface that satisfies all functions provided by simulated backend, as well as ethclient which is useful for drop-in replacement of actual RPC clients, and test environments.

examples

transaction matching

$> /go-defi txm --methods transfer --methods transferFrom --methods buy --contract.address 0x5ade7aE8660293F2ebfcEfaba91d141d72d221e8
Owner
bonedaddy
you're always in somebody's school
bonedaddy
https://github.com/bonedaddy/go-defi
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Comments
  • add errors.Wrap to have better error tracing

    add errors.Wrap to have better error tracing

    I like your package but saw that sometimes you just return the err directly instead of wrapping it. This makes it harder to see where the error is coming from. This is why I created this pull request to have this improved.

  • Transaction Matching

    Transaction Matching

    Adds the ability to filter transactions to particular contract addresses and ABIs. This can be used to filter out all addresses that interacted with a particular contract using particular ABI methods. For example given an ERC20 contract and a range of blocks, you can find all addresses that invoked transfer, transferFrom, and approval methods within the specified block range.

    This also fixes a bug with incorrectly loading configuration file from disk.

  • Refactor To Use Blockchain Interface And Configuration Changes

    Refactor To Use Blockchain Interface And Configuration Changes

    Refactors code to use utils.Blockchain instead of ethclient.Client, also updates the configuration to enable specifying simulated blockchain (in-memory), as well as include account configuration.

  • Uniswap V3 Integration (WIP)

    Uniswap V3 Integration (WIP)

    Changes

    • Breakup uniswap functionality into two packages a uniswap/v2 and univswap/v3 package.
    • Enable deploying complete uniswap v3 to simulated backend for testing

    TODO

    More robust copying of uniswap core abis and bins

    Right now to get it done quickly im copying the bytecode manually but it would be better to do it more automatically

    https://github.com/wighawag/hardhat-deploy#access-to-artifacts-non-deployed-contract-code-and-abi

    Delete uniswap v3 submodules

    Remove uniswap v3 submodules

Related tags
Cryptography golang sdk ethereum smart-contracts solidity go-ethereum defi uniswap uniswap-v2 sushiswap 1inch oneinch uniswap-v3
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