Executes token swaps on Uniswap V2, V3, and V4 using Nethereum in .NET.
npx skills add https://github.com/Nethereum/Nethereum --skill uniswap-swap
Please help me install this Agent Skill. Skill: uniswap-swap Source: https://github.com/Nethereum/Nethereum/tree/main/plugins/nethereum-skills/skills/uniswap-swap Command: npx skills add https://github.com/Nethereum/Nethereum --skill uniswap-swap
Executing decentralized exchange trades from .NET applications requires handling quoting, routing, slippage protection, token approvals, and Permit2 signatures across multiple Uniswap protocol versions, which is complex to implement from scratch.
Use the uniswap-swap skill to quote and execute a swap of 0.001 ETH for USDC on Uniswap V4 with 5% slippage protection in C#.
High-intent search queries and answers about installing and using this skill.
Install the Nethereum.Uniswap NuGet package, create a Web3 instance with your account and RPC URL, then call web3.UniswapV4(). Quote the trade with the quoter, build swap, settle, and take actions via the Universal Router builder, and execute the transaction.
Use uniswap.Pricing.Quoter.QuoteExactInputQueryAsync with an encoded path from V4PathEncoder and the input amount. This is a read-only simulation that costs no gas and returns the expected output amount.
Yes, V3 swaps use the Universal Router with Permit2 for gasless approvals. Approve Permit2 once for the token, then sign off-chain PermitSingle authorizations per swap and include them as a Permit2PermitCommand in the router plan.
Use uniswap.Pricing.SlippageCalculator to compute a minimum output amount from your tolerance, such as 0.5 percent, and set it as AmountOutMinimum in the swap command. The transaction reverts if the actual output falls below this threshold.
Common causes include insufficient token approval for the router, output below the slippage minimum, or inadequate balance. Catch SmartContractCustomErrorRevertException and call FindCustomErrorException on the router service to decode the specific Uniswap error.
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