### Import Uniswap V4 SDK Prelude in Rust

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/README.md

This Rust code demonstrates how to import the prelude of the uniswap-v4-sdk crate. Using the prelude provides easy access to commonly used types and traits, simplifying the process of interacting with the SDK in your applications. This is the recommended way to start using the SDK for common tasks.

```rust
use uniswap_v4_sdk::prelude::*;
```

--------------------------------

### Find Best Trade Routes using Uniswap V4 SDK

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Provides an example of how to find the best possible trade routes for an exact input amount across multiple pools, considering a maximum number of results and hops. This function is essential for optimizing trade execution. Dependencies include `uniswap_v4_sdk` and `uniswap_sdk_core`.

```rust
use uniswap_v4_sdk::prelude::*;

// Find best routes for exact input
let pools = vec![
    pool_token0_token1.clone(),
    pool_token0_token2.clone(),
    pool_token1_token2.clone(),
];

let currency_amount_in = CurrencyAmount::from_raw_amount(token0.clone(), 10_000)?;
let currency_out = &token2;

let mut best_trades = vec![];
let options = BestTradeOptions {
    max_num_results: Some(3),
    max_hops: Some(3),
};

Trade::best_trade_exact_in(
    pools.clone(),
    &currency_amount_in,
    currency_out,
    options,
    vec![],
    None,
    &mut best_trades,
).await?;

// Iterate through best trades
for (i, trade) in best_trades.iter().enumerate() {
    println!("Trade {}: {} -> {}",
        i + 1,
        trade.input_amount()?.to_significant(6, None)?,
        trade.output_amount()?.to_significant(6, None)?
    );
    println!("  Price Impact: {}%", trade.price_impact()?.to_significant(2, None)?);
}
```

--------------------------------

### Run Rust Linting with Clippy

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/README.md

This command runs the clippy linter on all targets and features of your Rust project, with a strict setting to treat warnings as errors. It helps enforce code quality, style, and potential common mistakes. Ensure clippy is installed and configured for your project.

```shell
cargo clippy --all-targets --all-features -- -D warnings
```

--------------------------------

### Removing Liquidity from Uniswap V4 Position

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Provides an example of encoding a transaction to remove liquidity from an existing position in Uniswap V4. Users can specify the percentage of liquidity to remove and whether to burn the NFT upon full removal.

```rust
use uniswap_v4_sdk::prelude::*;

let position = Position::new(pool.clone(), 1_000_000, -60, 60);

// Remove 50% of liquidity
let options = RemoveLiquidityOptions {
    common_opts: CommonOptions {
        slippage_tolerance: Percent::new(5, 1000),
        deadline: U256::from(1234567890),
        hook_data: Bytes::default(),
    },
    token_id: U256::from(42),
    liquidity_percentage: Percent::new(50, 100), // 50%
    burn_token: false, // set true to burn NFT when removing 100%
    permit: None,
};

let method_params = remove_call_parameters(&position, options)?;
println!("Remove liquidity calldata: {:?}", method_params.calldata);

```

--------------------------------

### Create Exact Output Trades using Uniswap V4 SDK

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates how to create an exact output trade, specifying the desired amount of a token to receive and calculating the maximum input required. This snippet also shows how to determine the maximum input considering slippage and the worst-case execution price. Dependencies include `uniswap_v4_sdk`.

```rust
use uniswap_v4_sdk::prelude::*;

// Create exact output trade
let output_amount = CurrencyAmount::from_raw_amount(weth.clone(), 1_000_000_000_000_000_000)?; // 1 WETH
let trade = Trade::exact_out(route, output_amount).await?;

// Get maximum input needed with slippage
let slippage = Percent::new(5, 1000); // 0.5%
let max_input = trade.maximum_amount_in(slippage.clone(), None)?;
println!("Maximum Input: {} USDC", max_input.to_significant(6, None)?);

// Get worst case execution price
let worst_price = trade.worst_execution_price(slippage)?;
println!("Worst Price: {}", worst_price.to_significant(6, None)?);
```

--------------------------------

### Create and Manage a V4 Pool in Rust

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates how to create a Uniswap V4 pool with specified currencies, fee, tick spacing, and initial liquidity. It also shows how to access pool properties like ID, currencies, tick, and fee, and how to calculate the price and check currency involvement.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy_primitives::{Address, uint, U160};
use uniswap_sdk_core::prelude::*;

// Define currencies for the pool
let currency0 = Currency::Token(Token::new(
    1,
    "0x6B175474E89094C44Da98b954EedeAC495271d0F", // DAI
    18,
    Some("DAI".to_string()),
    Some("Dai Stablecoin".to_string()),
));
let currency1 = Currency::Token(Token::new(
    1,
    "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // USDC
    6,
    Some("USDC".to_string()),
    Some("USD Coin".to_string()),
));

// Create a pool with specific parameters
let pool = Pool::new(
    currency0.clone(),
    currency1.clone(),
    uint!(3000_U24), // 0.3% fee
    60, // tick spacing
    Address::ZERO, // no hook
    uint!(79228162514264337593543950336_U160), // sqrt price 1:1
    1_000_000_000_000_000_000_u128, // liquidity
)?;

// Access pool properties
println!("Pool ID: {:?}", pool.pool_id);
println!("Currency0: {:?}", pool.currency0);
println!("Currency1: {:?}", pool.currency1);
println!("Current Tick: {}", pool.tick_current);
println!("Fee: {}", pool.fee);

// Get pool price
let price = pool.currency0_price();
println!("Currency0 Price: {}", price.to_significant(5, None)?);

// Check if pool involves a specific currency
assert!(pool.involves_currency(&currency0));
```

--------------------------------

### Create Exact Input Trades using Uniswap V4 SDK

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Shows how to construct an exact input trade, specifying the exact amount of a token to send and calculating the expected output. This involves defining a route through one or more pools and considering slippage. Dependencies include `uniswap_v4_sdk` and `uniswap_sdk_core`.

```rust
use uniswap_v4_sdk::prelude::*;
use uniswap_sdk_core::prelude::{TradeType, CurrencyAmount};

// Create a route through pools
let pools = vec![pool_usdc_dai.clone(), pool_dai_weth.clone()];
let route = Route::new(
    pools,
    usdc.clone(),
    weth.clone(),
)?;

// Create exact input trade
let input_amount = CurrencyAmount::from_raw_amount(usdc.clone(), 1_000_000)?; // 1 USDC
let trade = Trade::exact_in(route, input_amount).await?;

// Access trade details
let output = trade.output_amount()?;
println!("Input: {} USDC", trade.input_amount()?.to_significant(6, None)?);
println!("Output: {} WETH", output.to_significant(6, None)?);
println!("Execution Price: {}", trade.execution_price()?.to_significant(6, None)?);
println!("Price Impact: {}%", trade.price_impact()?.to_significant(2, None)?);

// Calculate minimum output with slippage
let slippage = Percent::new(5, 1000); // 0.5%
let min_output = trade.minimum_amount_out(slippage.clone(), None)?;
println!("Minimum Output: {} WETH", min_output.to_significant(6, None)?);
```

--------------------------------

### Use V4PositionPlanner for Liquidity Operations (Rust)

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates managing liquidity positions using `V4PositionPlanner`. This includes adding a `mint` position action, settling the pair of currencies involved, and potentially adding `sweep` actions for native tokens. The `finalize()` method returns unlock data which is then encoded into calldata.

```rust
use uniswap_v4_sdk::prelude::*;

let mut planner = V4PositionPlanner::default();

// Add mint position action
planner.add_mint(
    &pool,
    tick_lower,
    tick_upper,
    U256::from(liquidity),
    amount0_max,
    amount1_max,
    recipient_address,
    Bytes::default(), // hook data
);

// Add settle pair (pay both tokens)
planner.add_settle_pair(&pool.currency0, &pool.currency1);

// For native ETH pools, add sweep
if pool.currency0.is_native() {
    planner.add_sweep(&pool.currency0, recipient_address);
}

// Finalize the actions
let unlock_data = planner.0.finalize();
let calldata = encode_modify_liquidities(unlock_data, deadline);
```

--------------------------------

### Build Swap Transactions with V4Planner in Rust

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Shows how to construct complex swap transactions using the `V4Planner`. This involves adding swap actions, settle actions (for user payment), and take actions (for receiving output). The `finalize()` method generates the transaction calldata.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy_primitives::Bytes;

// Create a planner to build complex transaction sequences
let mut planner = V4Planner::default();

// Add a swap action
planner.add_action(&Actions::SWAP_EXACT_IN(SwapExactInParams {
    currencyIn: token0.address(),
    path: encode_route_to_path(&route, false),
    maxHopSlippage: vec![],
    amountIn: 1_000_000,
    amountOutMinimum: 950_000,
}));

// Add settle action (user pays)
planner.add_settle(&token0, true, None);

// Add take action (receive output)
planner.add_take(&token1, recipient_address, None);

// Finalize and get calldata
let calldata: Bytes = planner.finalize();
println!("Transaction calldata: {:?}", calldata);
```

--------------------------------

### Testing the Rust Uniswap V4 SDK

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/CLAUDE.md

Commands for running various types of tests for the Uniswap V4 SDK, including core, std feature, extension, doc tests, and specific tests or modules.

```bash
# Run core tests
cargo test

# Run tests with std feature
cargo test --features std

# Run extension tests (must be single-threaded due to RPC state)
cargo test --features extensions --lib extensions -- --test-threads=1

# Run doc tests
cargo test --doc --all-features

# Run a specific test
cargo test test_name

# Run tests in a specific module
cargo test module_name::
```

--------------------------------

### Compute Position from Token Amounts using Uniswap V4 SDK

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates how to create a liquidity position object from specific token amounts and tick ranges using the Uniswap V4 SDK. It also shows how to derive positions from a single token amount. Dependencies include the `uniswap_v4_sdk` and `alloy_primitives` crates. Outputs include the calculated liquidity.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy_primitives::uint;

// Create position from specific token amounts
let amount0 = uint!(1000000_U256); // 1 USDC
let amount1 = uint!(1000000000000000000_U256); // 1 DAI
let tick_lower = -60;
let tick_upper = 60;

let position = Position::from_amounts(
    pool.clone(),
    tick_lower,
    tick_upper,
    amount0,
    amount1,
    true, // use full precision
)?;

println!("Calculated Liquidity: {}", position.liquidity);

// Or create from single token amount
let position_from_token0 = Position::from_amount0(
    pool.clone(),
    tick_lower,
    tick_upper,
    amount0,
    true,
)?;

let position_from_token1 = Position::from_amount1(
    pool.clone(),
    tick_lower,
    tick_upper,
    amount1,
)?;
```

--------------------------------

### Creating Multi-Hop Trades with Uniswap V4 SDK

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates how to create a trade that utilizes multiple routes, enabling split routing for potentially better execution prices. This involves defining individual routes and then combining them into a single trade object.

```rust
use uniswap_v4_sdk::prelude::*;

// Create trade with multiple routes (for split routing)
let amount1 = CurrencyAmount::from_raw_amount(token0.clone(), 5_000)?;
let amount2 = CurrencyAmount::from_raw_amount(token0.clone(), 5_000)?;

let route1 = Route::new(vec![pool_0_2.clone()], token0.clone(), token2.clone())?;
let route2 = Route::new(vec![pool_0_1.clone(), pool_1_2.clone()], token0.clone(), token2.clone())?;

let trade = Trade::from_routes(
    vec![
        (amount1, route1),
        (amount2, route2),
    ],
    TradeType::ExactInput,
).await?;

println!("Split trade output: {}", trade.output_amount()?.to_significant(6, None)?);

```

--------------------------------

### Compute Mint/Burn Amounts with Slippage using Uniswap V4 SDK

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Illustrates how to calculate the required token amounts for minting a position and the minimum amounts to receive when burning liquidity, incorporating slippage tolerance. This function is crucial for mitigating price impact during liquidity operations. Dependencies include `uniswap_v4_sdk` and `uniswap_sdk_core`.

```rust
use uniswap_v4_sdk::prelude::*;
use uniswap_sdk_core::prelude::Percent;

// Calculate amounts needed to mint position
let mut position = Position::new(pool.clone(), 1_000_000, -60, 60);

// Get mint amounts at current price
let mint_amounts = position.mint_amounts()?;
println!("Amount0: {}", mint_amounts.amount0);
println!("Amount1: {}", mint_amounts.amount1);

// Get mint amounts with slippage protection
let slippage_tolerance = Percent::new(5, 1000); // 0.5%
let mint_amounts_with_slippage = position.mint_amounts_with_slippage(&slippage_tolerance)?;
println!("Max Amount0: {}", mint_amounts_with_slippage.amount0);
println!("Max Amount1: {}", mint_amounts_with_slippage.amount1);

// Get burn amounts with slippage for removing liquidity
let (min_amount0, min_amount1) = position.burn_amounts_with_slippage(&slippage_tolerance)?;
println!("Min Amount0 to receive: {}", min_amount0);
println!("Min Amount1 to receive: {}", min_amount1);
```

--------------------------------

### Fetch Tick Data using SimpleTickDataProvider (Rust)

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Explains how to fetch tick data from Uniswap V4 using `SimpleTickDataProvider`, which requires a provider, pool manager address, and pool key. It demonstrates fetching individual tick data including gross and net liquidity, and how to integrate this provider with a `Pool` object for accurate swap calculations.

```rust
#[cfg(feature = "extensions")]
use uniswap_v4_sdk::prelude::*;

// Create tick data provider from RPC
let tick_provider = SimpleTickDataProvider::new(
    provider.clone(),
    pool_manager_address,
    pool_key.clone(),
);

// Fetch specific tick
let tick_data = tick_provider.get_tick(tick_index).await?;
println!("Liquidity Gross: {}", tick_data.liquidity_gross);
println!("Liquidity Net: {}", tick_data.liquidity_net);

// Use with pool for accurate swap calculations
let pool_with_ticks = Pool::new_with_tick_data_provider(
    currency0,
    currency1,
    fee,
    tick_spacing,
    hooks,
    sqrt_price_x96,
    liquidity,
    tick_provider,
)?;
```

--------------------------------

### Linting and Formatting the Rust Uniswap V4 SDK

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/CLAUDE.md

Commands to lint code using clippy and check/apply formatting using cargo fmt for the Uniswap V4 SDK project. Ensures code quality and consistency.

```bash
# Run clippy (must pass with no warnings)
cargo clippy --all-targets --all-features -- -D warnings

# Check formatting
cargo fmt --all -- --check

# Apply formatting
cargo fmt --all
```

--------------------------------

### Query Pool Manager State using Pool Manager Lens (Rust)

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates querying Uniswap V4 pool manager state, similar to Solidity's `StateView`, using the `extensions` feature. It involves constructing a `PoolKey` and then using `get_pool_state` for a single pool or `get_pool_states` for multiple pools. The results include liquidity, square root price, and tick.

```rust
#[cfg(feature = "extensions")]
use uniswap_v4_sdk::prelude::*;

// Query pool manager state (similar to StateView in Solidity)
let pool_key = Pool::get_pool_key(&currency0, &currency1, fee, tick_spacing, hooks)?;

let state = get_pool_state(provider, pool_manager_address, pool_key).await?;
println!("Liquidity: {}", state.liquidity);
println!("Sqrt Price X96: {}", state.sqrtPriceX96);
println!("Tick: {}", state.tick);

// Get multiple pool states at once
let pool_keys = vec![pool_key1, pool_key2, pool_key3];
let states = get_pool_states(provider, pool_manager_address, pool_keys).await?;

for (i, state) in states.iter().enumerate() {
    println!("Pool {} liquidity: {}", i, state.liquidity);
}
```

--------------------------------

### Create a Liquidity Position in Rust

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Shows how to create a liquidity position within a Uniswap V4 pool, defining the liquidity amount and the tick range (lower and upper). It also demonstrates how to calculate the amounts of token0 and token1 corresponding to this liquidity and the price range.

```rust
use uniswap_v4_sdk::prelude::*;
use uniswap_v3_sdk::prelude::{nearest_usable_tick, MIN_TICK_I32, MAX_TICK_I32};

// Placeholder for a created pool (from previous example or elsewhere)
let currency0 = Currency::Token(Token::new(1, "0x6B175474E89094C44Da98b954EedeAC495271d0F".to_string(), 18, None, None));
let currency1 = Currency::Token(Token::new(1, "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48".to_string(), 6, None, None));
let pool = Pool::new(
    currency0.clone(),
    currency1.clone(),
    uint!(3000_U24), // 0.3% fee
    60, // tick spacing
    Address::ZERO, // no hook
    uint!(79228162514264337593543950336_U160), // sqrt price 1:1
    1_000_000_000_000_000_000_u128, // liquidity
)?;

// Create a position with specific liquidity amount
let liquidity = 1_000_000_u128;
let tick_spacing = 60;
let tick_lower = nearest_usable_tick(-887220, tick_spacing);
let tick_upper = nearest_usable_tick(887220, tick_spacing);

let position = Position::new(
    pool.clone(),
    liquidity,
    tick_lower,
    tick_upper,
);

// Get amounts of tokens in the position
let amount0 = position.amount0()?;
let amount1 = position.amount1()?;
println!("Token0 Amount: {}", amount0.to_significant(6, None)?);
println!("Token1 Amount: {}", amount1.to_significant(6, None)?);

// Get prices at tick boundaries
let price_lower = position.token0_price_lower()?;
let price_upper = position.token0_price_upper()?;
println!("Lower Price: {}", price_lower.to_significant(5, None)?);
println!("Upper Price: {}", price_upper.to_significant(5, None)?);
```

--------------------------------

### Building the Rust Uniswap V4 SDK

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/CLAUDE.md

Commands to build the core library and extensions of the Uniswap V4 SDK using Cargo. Supports no_std, std, and all features including RPC interactions via alloy.

```bash
# Build core library (no_std by default)
cargo build

# Build with std feature
cargo build --features std

# Build with extensions (includes alloy for RPC interactions)
cargo build --features extensions

# Build with all features
cargo build --all-features
```

--------------------------------

### Run Rust Tests

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/README.md

This command executes all the tests within your Rust project, including those for the uniswap-v4-sdk if integrated. It's a standard way to verify the correctness of your code and ensure that changes haven't introduced regressions.

```shell
cargo test
```

--------------------------------

### Minting a Uniswap V4 Position with Basic Parameters

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Shows how to encode a transaction for minting a new liquidity position in Uniswap V4 using basic parameters. This includes setting the position details and defining common transaction options like slippage tolerance and deadline.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy_primitives::{Address, Bytes, U256};

// Create position
let mut position = Position::new(pool.clone(), 1_000_000, -60, 60);

// Set up mint options
let options = AddLiquidityOptions {
    common_opts: CommonOptions {
        slippage_tolerance: Percent::new(5, 1000), // 0.5%
        deadline: U256::from(1234567890),
        hook_data: Bytes::default(),
    },
    use_native: None, // or Some(ether) for ETH pools
    batch_permit: None,
    specific_opts: MintSpecificOptions {
        recipient: "0x1234...".parse()?,
        create_pool: false,
        sqrt_price_x96: None,
        migrate: false,
    }.into(),
};

// Generate transaction calldata
let method_params = add_call_parameters(&mut position, options)?;

// Use in transaction
println!("Calldata: {:?}", method_params.calldata);
println!("Value: {}", method_params.value);

```

--------------------------------

### Minting Uniswap V4 Position with Permit2

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Illustrates minting a liquidity position using Permit2 for token approvals, which allows for gasless approvals. This involves constructing a permit batch and signing it before including it in the minting options.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy_primitives::{uint, U48, U160, U256};

// Create permit batch for token approvals
let permit_batch = AllowanceTransferPermitBatch {
    details: vec![
        IAllowanceTransfer::PermitDetails {
            token: position.pool.currency0.wrapped().address(),
            amount: U160::from(amount0_max),
            expiration: U48::from(deadline),
            nonce: U48::from(nonce),
        },
        IAllowanceTransfer::PermitDetails {
            token: position.pool.currency1.wrapped().address(),
            amount: U160::from(amount1_max),
            expiration: U48::from(deadline),
            nonce: U48::from(nonce),
        },
    ],
    spender: position_manager_address,
    sigDeadline: U256::from(deadline),
};

// Sign the permit (use your signing logic)
let signature = Bytes::from(signed_permit_data);

let options = AddLiquidityOptions {
    common_opts: CommonOptions {
        slippage_tolerance: Percent::new(5, 1000),
        deadline: U256::from(deadline),
        hook_data: Bytes::default(),
    },
    use_native: None,
    batch_permit: Some(BatchPermitOptions {
        owner: user_address,
        permit_batch,
        signature,
    }),
    specific_opts: MintSpecificOptions {
        recipient: user_address,
        create_pool: false,
        sqrt_price_x96: None,
        migrate: false,
    }.into(),
};

let method_params = add_call_parameters(&mut position, options)?;

```

--------------------------------

### Add Trade to Planner with Slippage Protection (Rust)

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Illustrates adding a pre-calculated trade to a `V4Planner` with optional slippage protection. It also includes adding settlement and take actions for the input and output currencies of the trade. The function returns the finalized transaction calldata.

```rust
use uniswap_v4_sdk::prelude::*;

// Create a trade
let trade = Trade::exact_in(route, input_amount).await?;

// Add trade to planner with slippage protection
let mut planner = V4Planner::default();
let slippage = Percent::new(5, 1000); // 0.5%
planner.add_trade(&trade, Some(slippage), None)?;

// Add settlement for paying input token
planner.add_settle(trade.input_currency(), true, None);

// Add take for receiving output token
planner.add_take(trade.output_currency(), recipient_address, None);

let calldata = planner.finalize();
```

--------------------------------

### Fetch Pool State from On-Chain Data using Extensions (Rust)

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Shows how to fetch Uniswap V4 pool state directly from on-chain data using the `extensions` feature. This requires a blockchain provider and the pool manager address. It returns a `Pool` object containing liquidity, current tick, and square root price.

```rust
#[cfg(feature = "extensions")]
use uniswap_v4_sdk::prelude::*;
use alloy::providers::Provider;

// Fetch pool state from blockchain
let provider = ...; // your provider
let pool_manager_address = "0x...".parse()?;

let pool = get_pool(
    provider,
    pool_manager_address,
    currency0,
    currency1,
    fee,
    tick_spacing,
    hooks_address,
).await?;

println!("Pool liquidity: {}", pool.liquidity);
println!("Current tick: {}", pool.tick_current);
println!("Sqrt price: {}", pool.sqrt_price_x96);
```

--------------------------------

### Compute V4 Pool ID and Pool Key in Rust

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Illustrates how to compute the unique identifier (pool ID) and the pool key for a Uniswap V4 pool using its parameters like currencies, fee, tick spacing, and hooks address. The pool key is essential for contract interactions.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy_primitives::{Address, uint, B256};

// Placeholder currencies and fee for demonstration
let currency_a = Currency::Token(Token::new(1, "0x123...".to_string(), 18, None, None));
let currency_b = Currency::Token(Token::new(1, "0x456...".to_string(), 6, None, None));

// Compute pool ID from parameters
let pool_id: B256 = Pool::get_pool_id(
    &currency_a,
    &currency_b,
    uint!(3000_U24), // fee
    60, // tick_spacing
    Address::ZERO, // hooks address
)?;
println!("Pool ID: {:?}", pool_id);

// Get pool key (used for contract calls)
let pool_key: PoolKey = Pool::get_pool_key(
    &currency_a,
    &currency_b,
    uint!(3000_U24),
    60,
    Address::ZERO,
)?;
println!("Pool Key: {:?}", pool_key);

// Pool key contains sorted currencies
// Note: In a real scenario, currency_a and currency_b would be properly ordered based on their addresses
// assert_eq!(pool_key.currency0, currency_a.address()); 
// assert_eq!(pool_key.tickSpacing, 60);
```

--------------------------------

### Sign NFT Permit

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Generates a signed permit for NFT-based positions, enabling off-chain authorization for transactions. This involves preparing permit data, obtaining the EIP-712 signing hash, and signing it with a private key.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy::signers::{local::PrivateKeySigner, SignerSync};
use alloy_sol_types::SolStruct;

// Prepare permit data
let permit = NFTPermitValues {
    spender: spender_address,
    tokenId: U256::from(1),
    nonce: U256::from(0),
    deadline: U256::from(deadline),
};

// Get EIP-712 domain and signing hash
let permit_data = get_permit_data(
    permit,
    position_manager_address,
    chain_id,
);

let signing_hash = permit_data.eip712_signing_hash();

// Sign with private key
let signer = PrivateKeySigner::from_bytes(&private_key)?;
let signature = signer.sign_hash_sync(&signing_hash)?;

// Use in transaction
let permit_options = NFTPermitOptions {
    values: permit,
    signature,
};
```

--------------------------------

### Check Rust Code Formatting

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/README.md

This command checks the formatting of all files in your Rust project using rustfmt, ensuring compliance with standard Rust code style. It will report any files that are not correctly formatted without making changes. Use `cargo fmt --all` to automatically format the code.

```shell
cargo fmt --all -- --check
```

--------------------------------

### Encode Routes to Paths

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Encodes a liquidity route into a path format suitable for exact input or exact output swaps. This utility function takes a route object and a boolean indicating whether to encode for exact output (reversed) swaps.

```rust
use uniswap_v4_sdk::prelude::*;

// Create a route
let route = Route::new(
    vec![pool1.clone(), pool2.clone()],
    token_in.clone(),
    token_out.clone(),
)?;

// Encode route to path for exact input swaps
let path = encode_route_to_path(&route, false);
println!("Encoded path: {:?}", path);

// Encode for exact output (reversed)
let path_reversed = encode_route_to_path(&route, true);
```

--------------------------------

### Collect Fees from a Position using Uniswap V4 SDK

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates how to collect fees from a specific position in Uniswap V4. It requires a `Position` object, `CollectOptions` including slippage tolerance, deadline, and recipient address. The output is the calldata for the collect transaction.

```rust
use uniswap_v4_sdk::prelude::*;

let position = Position::new(pool.clone(), 1_000_000, -60, 60);

let options = CollectOptions {
    common_opts: CommonOptions {
        slippage_tolerance: Percent::new(0, 100), // no slippage for collect
        deadline: U256::from(1234567890),
        hook_data: Bytes::default(),
    },
    token_id: U256::from(42),
    recipient: user_address,
};

let method_params = collect_call_parameters(&position, options);
println!("Collect fees calldata: {:?}", method_params.calldata);
```

--------------------------------

### Convert Price and Tick

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Performs conversions between price and tick values using Uniswap V3 SDK utilities. It includes functions to convert a tick to its corresponding price and to convert a square root price (in X96 format) to a tick.

```rust
use uniswap_v4_sdk::prelude::*;
use uniswap_v3_sdk::prelude::{get_tick_at_sqrt_ratio, get_sqrt_ratio_at_tick};

// Convert tick to price
let tick = 100;
let price = tick_to_price(currency0.clone(), currency1.clone(), tick)?;
println!("Price at tick {}: {}", tick, price.to_significant(5, None)?);

// Convert sqrt price to tick
let sqrt_price_x96 = uint!(79228162514264337593543950336_U160);
let tick = get_tick_at_sqrt_ratio(sqrt_price_x96)?;
println!("Tick at sqrt price: {}", tick);

// Convert tick to sqrt price
let sqrt_price = get_sqrt_ratio_at_tick(tick)?;
println!("Sqrt price at tick {}: {}", tick, sqrt_price);
```

--------------------------------

### Check Hook Permissions

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Verifies if a given hook address has the necessary permissions to interact with Uniswap V4 swap functions. It supports checking for general swap permissions as well as specific before/after swap permissions, and validates the hook address format.

```rust
use uniswap_v4_sdk::prelude::*;
use alloy_primitives::Address;

let hook_address: Address = "0x1100000000000000000000000000000000002401".parse()?;

// Check if hook has before/after swap permissions
if has_swap_permissions(hook_address) {
    println!("Hook modifies swap behavior");
}

// Check specific permissions
if has_permission(hook_address, HOOKS_BEFORE_SWAP_FLAG) {
    println!("Hook has beforeSwap permission");
}

if has_permission(hook_address, HOOKS_AFTER_SWAP_FLAG) {
    println!("Hook has afterSwap permission");
}

// Validate hook address format
assert!(validate_hook_address(hook_address, HOOKS_BEFORE_SWAP_FLAG));
```

--------------------------------

### Fetch Position Data from NFT

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Retrieves detailed information about a liquidity position using its NFT token ID. This function requires a provider, the position manager's address, and the token ID as input. It returns the pool key, tick boundaries, and liquidity amount.

```rust
#[cfg(feature = "extensions")]
use uniswap_v4_sdk::prelude::*;

// Fetch position details from NFT token ID
let token_id = U256::from(42);
let position_info = get_position_info(
    provider,
    position_manager_address,
    token_id,
).await?;

println!("Pool Key: {:?}", position_info.poolKey);
println!("Tick Lower: {}", position_info.tickLower);
println!("Tick Upper: {}", position_info.tickUpper);
println!("Liquidity: {}", position_info.liquidity);

// Parse position events from transaction receipt
let receipt = provider.get_transaction_receipt(tx_hash).await?.unwrap();
let token_id = get_first_token_id_from_transaction(
    position_manager_address,
    &receipt,
)?;
println!("Minted position token ID: {}", token_id);
```

--------------------------------

### Increasing Liquidity on Existing Uniswap V4 Position

Source: https://context7.com/shuhuiluo/uniswap-v4-sdk-rs/llms.txt

Demonstrates how to encode a transaction to increase liquidity on an existing position in Uniswap V4. This is achieved by specifying the NFT token ID of the existing position and the additional liquidity to add.

```rust
use uniswap_v4_sdk::prelude::*;

// Create position with additional liquidity to add
let mut position = Position::new(pool.clone(), 500_000, -60, 60);

let options = AddLiquidityOptions {
    common_opts: CommonOptions {
        slippage_tolerance: Percent::new(5, 1000),
        deadline: U256::from(1234567890),
        hook_data: Bytes::default(),
    },
    use_native: None,
    batch_permit: None,
    specific_opts: ModifyPositionSpecificOptions {
        token_id: U256::from(42), // existing NFT token ID
    }.into(),
};

let method_params = add_call_parameters(&mut position, options)?;

```

--------------------------------

### Add Uniswap V4 SDK Dependency to Cargo.toml

Source: https://github.com/shuhuiluo/uniswap-v4-sdk-rs/blob/main/README.md

This code snippet shows how to add the uniswap-v4-sdk crate as a dependency in your Rust project's Cargo.toml file. It includes the 'extensions' and 'std' features, which enable additional functionalities and standard library support respectively. Ensure you specify the desired version.

```toml
uniswap-v4-sdk = { version = "0.13.0", features = ["extensions", "std"] }
```

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