Deploy on Vanna

• In optimism
  • install dependencies (as the OP Stack website suggests)
  • make devnet-up
• In VannaSwap
  • cd packages/v4-vanna
  • source .env
  • forge script ./script/Vanna.s.sol --rpc-url $RPC_URL --broadcast --private-key $PRIVATE_KEY

---

update submodule

git submodule update --remote

how to add submodule

    cd packages
    git submodule add <your-github-url>

install submodule when git clone failed to instll

git submodule sync git submodule init git submodule update

recursive reset

git submodule foreach --recursive git reset --hard

---

deploy create2 address

• see https://github.com/Arachnid/deterministic-deployment-proxy
• cast send --private-key $PRIVATE_KEY 0x3fab184622dc19b6109349b94811493bf2a45362 --value 0.1ether
• cast publish --rpc-url $RPC_URL 0xf8a58085174876e800830186a08080b853604580600e600039806000f350fe7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe03601600081602082378035828234f58015156039578182fd5b8082525050506014600cf31ba02222222222222222222222222222222222222222222222222222222222222222a02222222222222222222222222222222222222222222222222222222222222222

---

deploy hook

• download the newest version of foundry toolkits with foundryup
• change remappings.txt
  • -lib/v4-periphery:forge-std/=lib/v4-periphery/lib/forge-std/src/
  • +lib/v4-periphery:forge-std/=lib/forge-std/src/
• source .env
• forge script ./script/Vanna.s.sol --rpc-url $RPC_URL --broadcast --private-key $PRIVATE_KEY

---

PoolManager Key Functions

• swap

---

Getting the price from the graph

• https://thegraph.com/hosted-service/subgraph/uniswap/uniswap-v3
• query using

{
  pool(id: "0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8") {
    tick
    token0 {
      symbol
      id
      decimals
    }
    token1 {
      symbol
      id
      decimals
    }
    feeTier
    sqrtPrice
    liquidity
  }
}

• Live Demo: https://vanna-swap-frontend.vercel.app/
• IPFS version: https://dry-wood-1896.on.fleek.co/
• IPFS model: http://ipfs.io/ipfs/QmXQpupTphRTeXJMEz3BCt9YUF6kikcqExxPdcVoL1BBhy