The DeFi team’s Journey towards EggSwap - Expanse

The DeFi team’s Journey towards EggSwap


As a team we have worked in development for a long time, mainly developing Backend platforms but this time we wanted to develop a functional blockchain solution, taking DEFI as a trend we decided to create our own version of Uniswap.

We recently developed EggSwap on expanse blockchain. Our journey towards development consists of a variety of challenging events. Some of you have been asking why we have chosen to remain anonymous during development and after. The truth is, because of regulatory uncertainty. Much like Satoshi Nakomoto we believe that it’s better to ask for forgiveness than seek permission. Some technologies disrupt and fracture the traditional order of things so drastically that their creators and maintainers need the protection of anonymity.

Why on Expanse?

We are avid traders and love uniswap on ethereum. Like everyone else, we began to notice how congested ethereum would become everytime a little hype would hit a new uniswap listing. After a little research we remembered the expanse network. To our surprise expanse was still alive and well after all these years and so we reached out to Christopher Franko with our proposal.

After looking into the history of expanse we discovered the Tokenlab and EXPEX projects and with a little persuasion we convinced Christopher to hand over the reigns. We are confident that we can create a product that breathes new life into the vestige of those projects. We believe LAB and PEX were just too forward thinking for the time and the work just hadn’t been done yet to realize them in a meaningful way.

Today is different though. There are new tools, technologies and software that exist in the ecosystem that we will take advantage of to realize old dreams in new, elegant and long lasting ways.

Our Journey Thus Far

  1. We started by cloning the uniswap repositories. First of all we deployed the uniswap factory, router and multicall contracts on Expanse blockchain. Since, the uniswap implementation is only for the ethereum base networks that is why we needed to do a couple of changes on uniswap sdk. We added all the deployed contracts and Expanse token addresses references to the uniswap sdk in order to support the Expanse blockchain.
  2. The last thing was to implement the EggSwap frontend, we cloned the uniswap frontend V2 and did the necessary changes like changing the contract addresses and adding the Expanse tokens list. To do that we used IPFS to add the list of expanse tokens and put a reference on EggSwap frontend.
  3. Once finished with all the required changes we tested the app by adding the liquidity of token pairs but we ran into some issues as uniswap supports only ERC20 tokens and Expanse tokens are ERC644 standard. 
  4. Once the V2 version was ready, the Uniswap V3 was released so we decided to update EggSwap with the V3 code in order to add the Egg Token as well. The V3 version also took some effort to change the references of contracts and tokens. Spending some quality amount of time we were able to run the EggSwap frontend V3 version with all the latest features.

It took us a little while to understand, unpack and test all of the concepts, softwares and methodologies, but with Christopher Franko and the rest of the team’s help we locked it down. We are extremely grateful for everything the team has done for us during the initial development process and look forward to providing expanse with such an important piece of the network’s ecosystem.

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