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Arbitrage and Triangular Arbitrage Calculator
proofsuite
solidity, arbitrage
Bancor was recently added as a price oracle to the OrFeed ecosystem. Currently, you can get the Uniswap (Buy and Sell), Kyber (Buy and Sell) and Synthetix (Buy and Sell), as well.
One of the greatest benefits of OrFeed is for Arbitrage discovery. Additionally, users can add their own oracles to the registry, so it is expandable. This is also why it's difficult to test OrFeed off-mainnet... there are over 50 contracts that OrFeed currently relies on and the number is constantly growing as oracle providers grow.
We are seeking a simple function that can take an array of 2 or 3 token symbols (strings), leverage OrFeed to convert those strings into token addresses, and then compare across Uniswap, Kyber and Bancor (using orfeed's getExchangeRate method) to determine the closes spread (or arb profit) between the pairs (returning a string array of the trade order swap platform, an address order of the order that tokens are being swapped, and the spread integer).
You can test exchange rates on the site here: with https://www.orfeed.org/explorer
For buying, the venue should be either "BANCOR", "BUY-KYBER-EXCHANGE" or "BUY-UNISWAP-EXCHANGE". For selling, the venue should be wither " BANCOR", "SELL-KYBER-EXCHANGE" or "SELL-UNISWAP-EXCHANGE"
Here is the triangular calculation algo workflow: https://www.investopedia.com/terms/t/triangulararbitrage.asp
We can also provide ETH for testing on Mainnet (Qualifier: you have completed one other project on Gitcoin or have a robust Github commit history).
For any questions or comments, please feel free to drop into our Discord chat: https://discord.gg/byCPVsY
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