kabu_execution_multicaller/pool_abi_encoder/pools/
pancake3.rs

1use crate::pool_abi_encoder::ProtocolAbiSwapEncoderTrait;
2use alloy_primitives::{Address, Bytes, I256, U160, U256};
3use alloy_sol_types::SolInterface;
4use kabu_defi_abi::uniswap3::IUniswapV3Pool;
5use kabu_types_market::Pool;
6use lazy_static::lazy_static;
7use std::ops::Sub;
8
9lazy_static! {
10    static ref LOWER_LIMIT: U160 = U160::from(4295128740u64);
11    static ref UPPER_LIMIT: U160 = U160::from_str_radix("1461446703485210103287273052203988822378723970341", 10).unwrap();
12}
13pub struct PancakeV3ProtocolAbiEncoder;
14
15impl PancakeV3ProtocolAbiEncoder {
16    pub fn get_zero_for_one(token_address_from: &Address, token_address_to: &Address) -> bool {
17        token_address_from < token_address_to
18    }
19
20    pub fn get_price_limit(token_address_from: &Address, token_address_to: &Address) -> U160 {
21        if token_address_from < token_address_to { *LOWER_LIMIT } else { *UPPER_LIMIT }
22    }
23}
24
25impl ProtocolAbiSwapEncoderTrait for PancakeV3ProtocolAbiEncoder {
26    fn encode_swap_in_amount_provided(
27        &self,
28        _pool: &dyn Pool,
29        token_from_address: Address,
30        token_to_address: Address,
31        amount: U256,
32        recipient: Address,
33        payload: Bytes,
34    ) -> eyre::Result<Bytes> {
35        let zero_for_one = PancakeV3ProtocolAbiEncoder::get_zero_for_one(&token_from_address, &token_to_address);
36        let sqrt_price_limit_x96 = PancakeV3ProtocolAbiEncoder::get_price_limit(&token_from_address, &token_to_address);
37        let swap_call = IUniswapV3Pool::swapCall {
38            recipient,
39            zeroForOne: zero_for_one,
40            sqrtPriceLimitX96: sqrt_price_limit_x96,
41            amountSpecified: I256::from_raw(amount),
42            data: payload,
43        };
44
45        Ok(Bytes::from(IUniswapV3Pool::IUniswapV3PoolCalls::swap(swap_call).abi_encode()))
46    }
47
48    fn encode_swap_out_amount_provided(
49        &self,
50        _pool: &dyn Pool,
51        token_from_address: Address,
52        token_to_address: Address,
53        amount: U256,
54        recipient: Address,
55        payload: Bytes,
56    ) -> eyre::Result<Bytes> {
57        let zero_for_one = PancakeV3ProtocolAbiEncoder::get_zero_for_one(&token_from_address, &token_to_address);
58        let sqrt_price_limit_x96 = PancakeV3ProtocolAbiEncoder::get_price_limit(&token_from_address, &token_to_address);
59        let swap_call = IUniswapV3Pool::swapCall {
60            recipient,
61            zeroForOne: zero_for_one,
62            sqrtPriceLimitX96: sqrt_price_limit_x96,
63            amountSpecified: I256::ZERO.sub(I256::from_raw(amount)),
64            data: payload,
65        };
66
67        Ok(Bytes::from(IUniswapV3Pool::IUniswapV3PoolCalls::swap(swap_call).abi_encode()))
68    }
69
70    fn swap_in_amount_offset(&self, _pool: &dyn Pool, _token_from_address: Address, _token_to_address: Address) -> Option<u32> {
71        Some(0x44)
72    }
73
74    fn swap_out_amount_offset(&self, _pool: &dyn Pool, _token_from_address: Address, _token_to_address: Address) -> Option<u32> {
75        Some(0x44)
76    }
77
78    fn swap_out_amount_return_offset(&self, _pool: &dyn Pool, token_from_address: Address, token_to_address: Address) -> Option<u32> {
79        if PancakeV3ProtocolAbiEncoder::get_zero_for_one(&token_from_address, &token_to_address) { Some(0x20) } else { Some(0x0) }
80    }
81
82    fn swap_in_amount_return_offset(&self, _pool: &dyn Pool, token_from_address: Address, token_to_address: Address) -> Option<u32> {
83        if PancakeV3ProtocolAbiEncoder::get_zero_for_one(&token_from_address, &token_to_address) { Some(0x20) } else { Some(0x0) }
84    }
85
86    fn swap_out_amount_return_script(&self, _pool: &dyn Pool, _token_from_address: Address, _token_to_address: Address) -> Option<Bytes> {
87        None
88    }
89
90    fn swap_in_amount_return_script(&self, _pool: &dyn Pool, _token_from_address: Address, _token_to_address: Address) -> Option<Bytes> {
91        Some(Bytes::from(vec![0x8, 0x2A, 0x00]))
92    }
93}
kabu_execution_multicaller/pool_abi_encoder/pools/pancake3.rs

kabu_execution_multicaller/pool_abi_encoder/pools/
pancake3.rs
