This is a Next.js + Foundry + wagmi project bootstrapped with create-wagmi
Run npm run dev in your terminal, and then open localhost:3000 in your browser.
Once the webpage has loaded, changes made to files inside the src/ directory (e.g. src/pages/index.tsx) will automatically update the webpage.
This project comes with @wagmi/cli built-in, which means you can generate wagmi-compatible (type safe) ABIs & React Hooks straight from the command line.
To generate ABIs & Hooks, follow the steps below.
First, you will need to install Foundry in order to build your smart contracts. This can be done by running the following command:
curl -L https://foundry.paradigm.xyz | bash
To generate ABIs & React Hooks from your Foundry project (in ./contracts), you can run:
npm run wagmi
This will use the wagmi config (wagmi.config.ts) to generate a src/generated.ts file which will include your ABIs & Hooks that you can start using in your project.
Here is an example of where Hooks from the generated file is being used.
To deploy your contracts to a network, you can use Foundry's Forge – a command-line tool to tests, build, and deploy your smart contracts.
You can read a more in-depth guide on using Forge to deploy a smart contract here, but we have included a simple script in the package.json to get you started.
Below are the steps to deploying a smart contract to Ethereum Mainnet using Forge:
Make sure you have Foundry installed & set up.
You will first need to set up your .env to tell Forge where to deploy your contract.
Go ahead and open up your .env file, and enter the following env vars:
ETHERSCAN_API_KEY: Your Etherscan API Key.FORGE_RPC_URL: The RPC URL of the network to deploy to.FORGE_PRIVATE_KEY: The private key of the wallet you want to deploy from.
You can now deploy your contract!
npm run deploy
Let's combine the above sections and use Anvil alongside our development environment to use our contracts (./contracts) against an Ethereum Mainnet fork.
Make sure you have Foundry installed & set up.
Run the command:
npm run dev:foundry
This will:
- Start a Next.js dev server,
- Start the
@wagmi/cliin watch mode to listen to changes in our contracts, and instantly generate code, - Start an Anvil instance (Mainnet Fork) on an RPC URL.
Now that we have an Anvil instance up and running, let's deploy our smart contract to the Anvil network:
pnpm run deploy:anvil
Now that your contract has been deployed to Anvil, you can start playing around with your contract straight from the web interface!
Head to localhost:3000 in your browser, connect your wallet, and try increment the DeCA on the Foundry chain.
Tip: If you import an Anvil private key into your browser wallet (MetaMask, Coinbase Wallet, etc) – you will have 10,000 ETH to play with 😎. The private key is found in the terminal under "Private Keys" when you start up an Anvil instance with
npm run dev:foundry.
To learn more about Next.js, Foundry or wagmi, check out the following resources:
- Foundry Documentation – learn more about the Foundry stack (Anvil, Forge, etc).
- wagmi Documentation – learn about wagmi Hooks and API.
- wagmi Examples – a suite of simple examples using wagmi.
- @wagmi/cli Documentation – learn more about the wagmi CLI.
- Next.js Documentation learn about Next.js features and API.
- Learn Next.js - an interactive Next.js tutorial.
Good to know:
- polygon blocktime 2s
forge create DeCA --private-key=$PKEY -r https://rpc.ankr.com/polygon_mumbai
createNewStrategy(address paymentToken, address buyingToken, uint256 blocksPerPeriod, uint256 buysPerEpoch, uint256 poolFee, uint256 minUserBuy)
cast send $DCACONTRACT "createNewStrategy(address, address, uint256, uint256, uint256, uint256)" 0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889 0xA6FA4fB5f76172d178d61B04b0ecd319C5d1C0aa 30 1 0 1000000000000 --private-key $PKEY -r https://rpc.ankr.com/polygon_mumbai
cast call $DCACONTRACT "listStrategies(uint256, uint256)" 0 1 -r https://rpc.ankr.com/polygon_mumbai
cast call $DCACONTRACT "listUserPositions(address)" 0xdf9e308622E1B6aCd29Fa65d3e92f12Bb1419f9d -r https://rpc.ankr.com/polygon_mumbai
cast send 0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889 "approve(address, uint256)" $DCACONTRACT 100000000000000000 --private-key $UPKEY -r https://rpc.ankr.com/polygon_mumbai
cast call 0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889 "balanceOf(address)" $DCACONTRACT -r https://rpc.ankr.com/polygon_mumbai
cast call 0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889 "allowance(address, address)" $DCACONTRACT 0xE592427A0AEce92De3Edee1F18E0157C05861564 -r https://rpc.ankr.com/polygon_mumbai
userUpdateStrategy(uint256 strategyId, uint256 newBuyAmount, uint256 desiredPaymentBalance, uint256 epochsToBuy)
cast send $DCACONTRACT "userUpdateStrategy(uint256, uint256, uint256, uint256)" 0 1000000000000 10000000000000 10 --private-key $UPKEY -r https://rpc.ankr.com/polygon_mumbai
cast send $DCACONTRACT "triggerStrategyBuy(uint256)" 0 --private-key $PKEY -r https://rpc.ankr.com/polygon_mumbai
cast rpc anvil_setBalance 0xceF7a02C77B2Ad2c262B2eE232B89002f1A9a5aB 1000000000000000000 --rpc-url $RPC
withdrawOrCollect(uint256 strategyId, address withdrawer, bool shouldWithdrawRemaining)
cast send $DCACONTRACT "withdrawOrCollect(uint256,address,bool)" 0 0xdf9e308622E1B6aCd29Fa65d3e92f12Bb1419f9d false --private-key $UPKEY -r https://rpc.ankr.com/polygon_mumbai
https://eth-sepolia.g.alchemy.com/v2/demo
https://rpc.ankr.com/eth_goerli
MANUAL DEBUGGING SWAP
approve hella for uniswap router
cast send 0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889 "approve(address, uint256)" 0xE592427A0AEce92De3Edee1F18E0157C05861564 100000000000000000 --private-key $UPKEY -r https://rpc.ankr.com/polygon_mumbai
cast send 0xE592427A0AEce92De3Edee1F18E0157C05861564 "exactInputSingle((address,address,uint24,address,uint256,uint256,uint256,uint160))" "(0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889,0xA6FA4fB5f76172d178d61B04b0ecd319C5d1C0aa,0,0xdf9e308622E1B6aCd29Fa65d3e92f12Bb1419f9d,1000000000000000000000,10000000000,0)" --private-key $UPKEY -r https://rpc.ankr.com/polygon_mumbai
["0x9c3C9283D3e44854697Cd22D3Faa240Cfb032889", "0xA6FA4fB5f76172d178d61B04b0ecd319C5d1C0aa", 0, "0xceF7a02C77B2Ad2c262B2eE232B89002f1A9a5aB", 10000000000000000000000000000, 100000000, 0]