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Updated the create-pool guide to enhance clarity and detail on pool creation methods, including atomic creation with liquidity and best practices for initializing pools without liquidity. Added security considerations and gas optimization benefits.

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  • Bug fix
  • New feature
  • Update to an existing feature

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Updated the create-pool guide to enhance clarity and detail on pool creation methods, including atomic creation with liquidity and best practices for initializing pools without liquidity. Added security considerations and gas optimization benefits.
Copilot AI review requested due to automatic review settings January 15, 2026 10:11
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Pull request overview

This PR enhances the create-pool guide documentation with comprehensive information about pool creation methods, security considerations, and gas optimization benefits. The update restructures the guide to present atomic pool creation with initial liquidity as the recommended approach, while maintaining the original pool initialization method as an alternative.

Changes:

  • Added detailed comparison of two pool creation approaches with atomic creation recommended for security
  • Expanded introductory bullet points with specific metrics (e.g., $2.75 trillion cumulative volume, 99.99% cheaper pool creation)
  • Added comprehensive security considerations and best practices sections for safe pool creation
  • Included gas optimization benefits section highlighting v4's singleton architecture advantages

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### Atomic Creation with PositionManager
```typescript
import { ethers } from 'ethers'
import { IPositionManager } from '@uniswap/v4-periphery/contracts/interfaces/IPositionManager.sol'
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This import statement is incorrect. It's trying to import a Solidity interface from a TypeScript/JavaScript file. The import path should reference a TypeScript/JavaScript module from the @Uniswap packages, not a .sol file path. Use the proper TypeScript ABI import or reference the contract interface from the appropriate npm package.

Suggested change
import { IPositionManager } from '@uniswap/v4-periphery/contracts/interfaces/IPositionManager.sol'

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Comment on lines +85 to +97
// Prepare multicall parameters
const actions = [Actions.POOL_INITIALIZE, Actions.MINT_POSITION, Actions.SETTLE_PAIR]
const params = new Array(3)

// Initialize pool
import {IPoolInitializer_v4} from "v4-periphery/src/interfaces/IPoolInitializer_v4.sol"
params[0] = ethers.utils.defaultAbiCoder.encode(
['tuple(address currency0, address currency1, uint24 fee, int24 tickSpacing, address hooks)', 'uint160'],
[CurrentConfig.poolKey, startingPrice]
)

// Mint position
params[1] = ethers.utils.defaultAbiCoder.encode(
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The action Actions.POOL_INITIALIZE does not exist in the Actions library. According to the v4-periphery Actions library documentation, there is no POOL_INITIALIZE constant. Pool initialization should be done via positionManager.initializePool() directly as a separate call, or through the multicall using the appropriate function encoding. The Actions enum only includes actions like MINT_POSITION, SETTLE_PAIR, etc.

Suggested change
// Prepare multicall parameters
const actions = [Actions.POOL_INITIALIZE, Actions.MINT_POSITION, Actions.SETTLE_PAIR]
const params = new Array(3)
// Initialize pool
import {IPoolInitializer_v4} from "v4-periphery/src/interfaces/IPoolInitializer_v4.sol"
params[0] = ethers.utils.defaultAbiCoder.encode(
['tuple(address currency0, address currency1, uint24 fee, int24 tickSpacing, address hooks)', 'uint160'],
[CurrentConfig.poolKey, startingPrice]
)
// Mint position
params[1] = ethers.utils.defaultAbiCoder.encode(
// Initialize the pool in a separate transaction
const initTx = await positionManager.initializePool(CurrentConfig.poolKey, startingPrice)
await initTx.wait()
// Prepare multicall parameters
const actions = [Actions.MINT_POSITION, Actions.SETTLE_PAIR]
const params = new Array(actions.length)
// Mint position
params[0] = ethers.utils.defaultAbiCoder.encode(

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const params = new Array(3)

// Initialize pool
import {IPoolInitializer_v4} from "v4-periphery/src/interfaces/IPoolInitializer_v4.sol"
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This import statement is incorrect. It's trying to import a Solidity interface in a TypeScript file. This line should be removed or replaced with proper TypeScript/JavaScript imports. The import path uses a Solidity file (.sol) which cannot be imported directly in TypeScript.

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Comment on lines +85 to +103
// Prepare multicall parameters
const actions = [Actions.POOL_INITIALIZE, Actions.MINT_POSITION, Actions.SETTLE_PAIR]
const params = new Array(3)

// Initialize pool
import {IPoolInitializer_v4} from "v4-periphery/src/interfaces/IPoolInitializer_v4.sol"
params[0] = ethers.utils.defaultAbiCoder.encode(
['tuple(address currency0, address currency1, uint24 fee, int24 tickSpacing, address hooks)', 'uint160'],
[CurrentConfig.poolKey, startingPrice]
)

// Mint position
params[1] = ethers.utils.defaultAbiCoder.encode(
['tuple(address currency0, address currency1, uint24 fee, int24 tickSpacing, address hooks)', 'int24', 'int24', 'uint256', 'uint128', 'uint128', 'address', 'bytes'],
[CurrentConfig.poolKey, tickLower, tickUpper, liquidity, amount0Max, amount1Max, recipient, '0x']
)

// Settle tokens
params[2] = ethers.utils.defaultAbiCoder.encode(
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This manual ABI encoding for pool initialization is incomplete and likely incorrect. Since Actions.POOL_INITIALIZE doesn't exist in the Actions library, this entire approach needs to be reconsidered. The proper way to atomically create a pool with initial liquidity would be to call positionManager.initializePool() first (which is available via IPoolInitializer_v4 interface that PositionManager implements), then use the SDK's proper helper functions for minting positions, rather than manually encoding parameters.

Suggested change
// Prepare multicall parameters
const actions = [Actions.POOL_INITIALIZE, Actions.MINT_POSITION, Actions.SETTLE_PAIR]
const params = new Array(3)
// Initialize pool
import {IPoolInitializer_v4} from "v4-periphery/src/interfaces/IPoolInitializer_v4.sol"
params[0] = ethers.utils.defaultAbiCoder.encode(
['tuple(address currency0, address currency1, uint24 fee, int24 tickSpacing, address hooks)', 'uint160'],
[CurrentConfig.poolKey, startingPrice]
)
// Mint position
params[1] = ethers.utils.defaultAbiCoder.encode(
['tuple(address currency0, address currency1, uint24 fee, int24 tickSpacing, address hooks)', 'int24', 'int24', 'uint256', 'uint128', 'uint128', 'address', 'bytes'],
[CurrentConfig.poolKey, tickLower, tickUpper, liquidity, amount0Max, amount1Max, recipient, '0x']
)
// Settle tokens
params[2] = ethers.utils.defaultAbiCoder.encode(
// Initialize the pool with the starting price before adding liquidity
await positionManager.initializePool(CurrentConfig.poolKey, startingPrice)
// Prepare multicall parameters for minting a position and settling tokens
const actions = [Actions.MINT_POSITION, Actions.SETTLE_PAIR]
const params = new Array(actions.length)
// Mint position
params[0] = ethers.utils.defaultAbiCoder.encode(
['tuple(address currency0, address currency1, uint24 fee, int24 tickSpacing, address hooks)', 'int24', 'int24', 'uint256', 'uint128', 'uint128', 'address', 'bytes'],
[CurrentConfig.poolKey, tickLower, tickUpper, liquidity, amount0Max, amount1Max, recipient, '0x']
)
// Settle tokens
params[1] = ethers.utils.defaultAbiCoder.encode(

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Comment on lines +109 to +112
const result = await positionManager.modifyLiquidities(
ethers.utils.defaultAbiCoder.encode(['uint256[]', 'bytes[]'], [actions, params]),
Math.floor(Date.now() / 1000) + 60 // 60 second deadline
)
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This code is attempting to call modifyLiquidities with manually encoded parameters for pool initialization, but the encoding doesn't match the expected interface. According to the documentation, modifyLiquidities is used for liquidity operations on existing pools. Pool initialization should use positionManager.initializePool() separately or through the multicall function (not modifyLiquidities). The entire code example needs to be restructured to use proper v4 SDK patterns as shown in other guides.

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- Proven track record and battle-tested codebase (over $2.75 trillion in cumulative volume)
- Concentrated liquidity, unlocking capital efficiency
- Flexible pool design through dynamic fees and hooks (150+ hooks already developed)
- Gas-efficient singleton architecture (99.99% cheaper pool creation)
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The claim of '99.99% cheaper pool creation' is an extremely precise figure that should be verified or cited. Consider adding a reference to supporting documentation or using a more conservative estimate like 'significantly cheaper' or 'up to 99% cheaper' unless this exact figure is documented in official Uniswap materials.

Suggested change
- Gas-efficient singleton architecture (99.99% cheaper pool creation)
- Gas-efficient singleton architecture (significantly cheaper pool creation)

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- Gas-efficient architecture
- Proven track record and battle-tested codebase (over $2.75 trillion in cumulative volume)
- Concentrated liquidity, unlocking capital efficiency
- Flexible pool design through dynamic fees and hooks (150+ hooks already developed)
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The number '150+ hooks already developed' is a time-sensitive metric that will become outdated. Consider using more general language like 'hundreds of community hooks' or linking to the hooks repository where current numbers can be found, rather than hardcoding a specific count in the documentation.

Suggested change
- Flexible pool design through dynamic fees and hooks (150+ hooks already developed)
- Flexible pool design through dynamic fees and hooks (with hundreds of community hooks and growing)

Copilot uses AI. Check for mistakes.
- Concentrated liquidity, unlocks capital efficiency
- Flexible pool design through dynamic fees and hooks
- Gas-efficient architecture
- Proven track record and battle-tested codebase (over $2.75 trillion in cumulative volume)
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The volume figure '$2.75 trillion in cumulative volume' is time-sensitive and will quickly become outdated. This metric likely refers to historical Uniswap protocol volume across all versions, not specifically v4. Consider removing the specific number or clarifying that it refers to the Uniswap protocol's historical performance, not v4 specifically.

Suggested change
- Proven track record and battle-tested codebase (over $2.75 trillion in cumulative volume)
- Proven track record and battle-tested codebase (backed by trillions of dollars in cumulative trading volume across the Uniswap protocol)

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