Balancer v3 SDK Examples

A collection of example scripts that illustrate how to use the Balancer SDK to create pools, swap tokens, add liquidity, and remove liquidity. Everything is configured to run on a local fork of Ethereum mainnet and use the Balancer Aave Lido wETH-wstETH pool

Getting Started

1. Clone this repo & install dependencies

git clone https://github.com/balancer/balancer-v3-sdk-examples
cd balancer-v3-sdk-examples
pnpm install

2. Add a MAINNET_RPC_URL to a .env file

MAINNET_RPC_URL=

3. Run an example script

npx hardhat run scripts/add-liquidity/addLiquidityProportional.ts

Example Scripts

Create Pool

• createStable.ts
• createStableSurge.ts
• createWeighted.ts
• createGyroEclp.ts
• createReClamm.ts

Swap Tokens

• swapCustomPath.ts
• swapSmartPath.ts

Add Liquidity

• addLiquidityProportional.ts
• addLiquidityProportionalToERC4626.ts
• addLiquidityUnbalanced.ts
• addLiquidityUnbalancedToERC4626.ts

Remove Liquidity

• removeLiquidityProportional.ts
• removeLiquidityProportionalFromERC4626Pool.ts
• removeLiquiditySingleTokenExactIn.ts
• removeLiquiditySingleTokenExactOut.ts