uniderp-mcp/build/functions/uniswapRemoveLiquidityTool.js

> A plug-and-play MCP tool server to **send ETH**, **transfer ERC-20 tokens**, **deploy tokens**, and **interact with smart contracts** on the **UNICHAIN** — built for **Claude Desktop**, **AI agents**, and **developers.**

"use strict";
// import { ChainId, Native, Percent } from "@pancakeswap/sdk";
// import { PositionMath, Multicall } from "@pancakeswap/v3-sdk";
// import {
//     Address,
//     Hex,
//     encodeFunctionData,
//     getAddress,
//     zeroAddress,
//     maxUint128,
//     parseAbi,
//     PrivateKeyAccount,
//     publicActions,
// } from "viem";
// import dotenv from 'dotenv';
// import { publicClient, walletClient } from "../config.js";
// dotenv.config();
// const positionManagerABI = [
//     {
//         inputs: [
//             {
//                 components: [
//                     { internalType: 'uint256', name: 'tokenId', type: 'uint256' },
//                     { internalType: 'uint128', name: 'liquidity', type: 'uint128' },
//                     { internalType: 'uint256', name: 'amount0Min', type: 'uint256' },
//                     { internalType: 'uint256', name: 'amount1Min', type: 'uint256' },
//                     { internalType: 'uint256', name: 'deadline', type: 'uint256' },
//                 ],
//                 internalType: 'struct INonfungiblePositionManager.DecreaseLiquidityParams',
//                 name: 'params',
//                 type: 'tuple',
//             },
//         ],
//         name: 'decreaseLiquidity',
//         outputs: [
//             { internalType: 'uint256', name: 'amount0', type: 'uint256' },
//             { internalType: 'uint256', name: 'amount1', type: 'uint256' },
//         ],
//         stateMutability: 'payable',
//         type: 'function',
//     },
//     {
//         inputs: [
//             {
//                 components: [
//                     { internalType: 'uint256', name: 'tokenId', type: 'uint256' },
//                     { internalType: 'address', name: 'recipient', type: 'address' },
//                     { internalType: 'uint128', name: 'amount0Max', type: 'uint128' },
//                     { internalType: 'uint128', name: 'amount1Max', type: 'uint128' },
//                 ],
//                 internalType: 'struct INonfungiblePositionManager.CollectParams',
//                 name: 'params',
//                 type: 'tuple',
//             },
//         ],
//         name: 'collect',
//         outputs: [
//             { internalType: 'uint256', name: 'amount0', type: 'uint256' },
//             { internalType: 'uint256', name: 'amount1', type: 'uint256' },
//         ],
//         stateMutability: 'payable',
//         type: 'function',
//     },
//     {
//         inputs: [{ internalType: 'uint256', name: 'tokenId', type: 'uint256' }],
//         name: 'positions',
//         outputs: [
//             { internalType: 'uint96', name: 'nonce', type: 'uint96' },
//             { internalType: 'address', name: 'operator', type: 'address' },
//             { internalType: 'address', name: 'token0', type: 'address' },
//             { internalType: 'address', name: 'token1', type: 'address' },
//             { internalType: 'uint24', name: 'fee', type: 'uint24' },
//             { internalType: 'int24', name: 'tickLower', type: 'int24' },
//             { internalType: 'int24', name: 'tickUpper', type: 'int24' },
//             { internalType: 'uint128', name: 'liquidity', type: 'uint128' },
//             { internalType: 'uint256', name: 'feeGrowthInside0LastX128', type: 'uint256' },
//             { internalType: 'uint256', name: 'feeGrowthInside1LastX128', type: 'uint256' },
//             { internalType: 'uint128', name: 'tokensOwed0', type: 'uint128' },
//             { internalType: 'uint128', name: 'tokensOwed1', type: 'uint128' },
//         ],
//         stateMutability: 'view',
//         type: 'function',
//     },
// ]
// const FACTORY_ABI = parseAbi([
//     'function getPool(address tokenA, address tokenB, uint24 fee) external view returns (address pool)'
// ]);
// const POOL_ABI = parseAbi([
//     'function liquidity() external view returns (uint128)',
//     'function slot0() external view returns (uint160 sqrtPriceX96, int24 tick, uint16 observationIndex, uint16 observationCardinality, uint16 observationCardinalityNext, uint8 feeProtocol, bool unlocked)'
// ]);
// const Payments_ABI = [
//     {
//         inputs: [
//             {
//                 internalType: 'uint256',
//                 name: 'amountMinimum',
//                 type: 'uint256',
//             },
//             {
//                 internalType: 'address',
//                 name: 'recipient',
//                 type: 'address',
//             },
//         ],
//         name: 'unwrapWETH9',
//         outputs: [],
//         stateMutability: 'payable',
//         type: 'function',
//     },
//     {
//         inputs: [
//             {
//                 internalType: 'address',
//                 name: 'token',
//                 type: 'address',
//             },
//             {
//                 internalType: 'uint256',
//                 name: 'amountMinimum',
//                 type: 'uint256',
//             },
//             {
//                 internalType: 'address',
//                 name: 'recipient',
//                 type: 'address',
//             },
//         ],
//         name: 'sweepToken',
//         outputs: [],
//         stateMutability: 'payable',
//         type: 'function',
//     },
// ];
// const POSITION_MANAGER_ADDRESS = '0x46A15B0b27311cedF172AB29E4f4766fbE7F4364' as Address;
// const FACTORY_ADDRESS = '0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865' as Address;
// export const removeLiquidityV3 = async (account: PrivateKeyAccount, tokenId: BigInt, percent: number) => {
//     const calldatas: Hex[] = []
//     const client = walletClient(account).extend(publicActions)
//     const positionInfo = await publicClient.readContract({
//         address: POSITION_MANAGER_ADDRESS,
//         abi: positionManagerABI,
//         functionName: 'positions',
//         args: [tokenId]
//     }) as any[]
//     const bnb = Native.onChain(ChainId.BSC)
//     const liquidity: bigint = new Percent(percent!, 100).multiply(positionInfo[7]).quotient
//     // remove liquidity
//     calldatas.push(encodeFunctionData({
//         abi: positionManagerABI,
//         functionName: 'decreaseLiquidity',
//         args: [
//             {
//                 tokenId,
//                 liquidity,
//                 amount0Min: BigInt(1),
//                 amount1Min: BigInt(1),
//                 deadline: Math.floor(Date.now() / 1000) + 1200,
//             },
//         ],
//     }))
//     const involvesETH = getAddress(bnb.wrapped.address) === getAddress(positionInfo[2])
//         || getAddress(bnb.wrapped.address) === getAddress(positionInfo[3])
//     calldatas.push(encodeFunctionData({
//         abi: positionManagerABI,
//         functionName: 'collect',
//         args: [
//             {
//                 tokenId,
//                 recipient: involvesETH ? zeroAddress : account.address,
//                 amount0Max: maxUint128,
//                 amount1Max: maxUint128,
//             },
//         ],
//     }))
//     if (involvesETH) {
//         const poolAddrs = await client.readContract({
//             address: FACTORY_ADDRESS,
//             abi: FACTORY_ABI,
//             functionName: 'getPool',
//             args: [
//                 positionInfo[2] as Address,
//                 positionInfo[3] as Address,
//                 positionInfo[4]
//             ]
//         })
//         const slot0 = await client.readContract({
//             address: poolAddrs as Address,
//             abi: POOL_ABI,
//             functionName: 'slot0',
//         })
//         const token0Amount = PositionMath.getToken0Amount(
//             slot0[1],
//             positionInfo[5],
//             positionInfo[6],
//             slot0[0],
//             positionInfo[7],
//         )
//         const discountedAmount0 = new Percent(percent!, 100).multiply(token0Amount).quotient
//         const token1Amount = PositionMath.getToken1Amount(
//             slot0[1],
//             positionInfo[5],
//             positionInfo[6],
//             slot0[0],
//             positionInfo[7],
//         )
//         const discountedAmount1 = new Percent(percent!, 100).multiply(token1Amount).quotient
//         const ethAmount = getAddress(bnb.wrapped.address) === getAddress(positionInfo[2])
//             ? discountedAmount0
//             : discountedAmount1
//         const token = getAddress(bnb.wrapped.address) === getAddress(positionInfo[2])
//             ? positionInfo[3]
//             : positionInfo[2]
//         const tokenAmount = getAddress(bnb.wrapped.address) === getAddress(positionInfo[2])
//             ? discountedAmount1
//             : discountedAmount0
//         calldatas.push(encodeFunctionData({
//             abi: Payments_ABI,
//             functionName: 'unwrapWETH9',
//             args: [ethAmount, account.address],
//         }))
//         calldatas.push(encodeFunctionData({
//             abi: Payments_ABI,
//             functionName: 'sweepToken',
//             args: [token, tokenAmount, account.address],
//         }))
//     }
//     const data = Multicall.encodeMulticall(calldatas)
//     const tx = await client.sendTransaction({
//         to: POSITION_MANAGER_ADDRESS,
//         data: data,
//         value: BigInt(0),
//         account: account,
//         chain: client.chain as any,
//     })
//     return tx
// }