9eb4299ffe
Update tests with new executor addresses as well --- don't change below this line --- ENG-4260 Took 6 minutes
640 lines
23 KiB
Rust
640 lines
23 KiB
Rust
use std::str::FromStr;
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use alloy_primitives::{Address, Bytes as AlloyBytes};
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use alloy_sol_types::SolValue;
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use tycho_core::Bytes;
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use crate::encoding::{
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errors::EncodingError,
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evm::{
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approvals::protocol_approvals_manager::ProtocolApprovalsManager,
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utils::{bytes_to_address, get_static_attribute, pad_to_fixed_size},
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},
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models::{EncodingContext, Swap},
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swap_encoder::SwapEncoder,
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};
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/// Encodes a swap on a Uniswap V2 pool through the given executor address.
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///
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/// # Fields
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/// * `executor_address` - The address of the executor contract that will perform the swap.
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/// * `swap_selector` - The selector of the swap function in the executor contract.
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#[derive(Clone)]
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pub struct UniswapV2SwapEncoder {
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executor_address: String,
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}
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impl UniswapV2SwapEncoder {
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fn get_zero_to_one(sell_token_address: Address, buy_token_address: Address) -> bool {
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sell_token_address < buy_token_address
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}
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}
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impl SwapEncoder for UniswapV2SwapEncoder {
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fn new(executor_address: String) -> Self {
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Self { executor_address }
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}
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fn encode_swap(
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&self,
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swap: Swap,
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encoding_context: EncodingContext,
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) -> Result<Vec<u8>, EncodingError> {
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let token_in_address = bytes_to_address(&swap.token_in)?;
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let token_out_address = bytes_to_address(&swap.token_out)?;
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let zero_to_one = Self::get_zero_to_one(token_in_address, token_out_address);
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let component_id = Address::from_str(&swap.component.id)
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.map_err(|_| EncodingError::FatalError("Invalid USV2 component id".to_string()))?;
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// Token in address is always needed to perform a manual transfer from the router,
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// since no optimizations are performed that send from one pool to the next
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let args = (
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token_in_address,
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component_id,
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bytes_to_address(&encoding_context.receiver)?,
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zero_to_one,
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);
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Ok(args.abi_encode_packed())
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}
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fn executor_address(&self) -> &str {
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&self.executor_address
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}
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fn clone_box(&self) -> Box<dyn SwapEncoder> {
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Box::new(self.clone())
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}
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}
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/// Encodes a swap on a Uniswap V3 pool through the given executor address.
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///
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/// # Fields
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/// * `executor_address` - The address of the executor contract that will perform the swap.
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/// * `swap_selector` - The selector of the swap function in the executor contract.
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#[derive(Clone)]
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pub struct UniswapV3SwapEncoder {
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executor_address: String,
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}
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impl UniswapV3SwapEncoder {
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fn get_zero_to_one(sell_token_address: Address, buy_token_address: Address) -> bool {
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sell_token_address < buy_token_address
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}
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}
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impl SwapEncoder for UniswapV3SwapEncoder {
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fn new(executor_address: String) -> Self {
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Self { executor_address }
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}
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fn encode_swap(
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&self,
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swap: Swap,
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encoding_context: EncodingContext,
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) -> Result<Vec<u8>, EncodingError> {
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let token_in_address = bytes_to_address(&swap.token_in)?;
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let token_out_address = bytes_to_address(&swap.token_out)?;
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let zero_to_one = Self::get_zero_to_one(token_in_address, token_out_address);
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let component_id = Address::from_str(&swap.component.id)
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.map_err(|_| EncodingError::FatalError("Invalid USV3 component id".to_string()))?;
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let pool_fee_bytes = get_static_attribute(&swap, "fee")?;
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let pool_fee_u24 = pad_to_fixed_size::<3>(&pool_fee_bytes)
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.map_err(|_| EncodingError::FatalError("Failed to extract fee bytes".to_string()))?;
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let args = (
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token_in_address,
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token_out_address,
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pool_fee_u24,
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bytes_to_address(&encoding_context.receiver)?,
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component_id,
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zero_to_one,
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);
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Ok(args.abi_encode_packed())
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}
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fn executor_address(&self) -> &str {
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&self.executor_address
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}
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fn clone_box(&self) -> Box<dyn SwapEncoder> {
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Box::new(self.clone())
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}
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}
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/// Encodes a swap on a Uniswap V4 pool through the given executor address.
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///
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/// # Fields
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/// * `executor_address` - The address of the executor contract that will perform the swap.
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/// * `swap_selector` - The selector of the swap function in the executor contract.
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/// * `callback_selector` - The selector of the callback function in the executor contract.
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#[derive(Clone)]
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pub struct UniswapV4SwapEncoder {
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executor_address: String,
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}
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impl UniswapV4SwapEncoder {
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fn get_zero_to_one(sell_token_address: Address, buy_token_address: Address) -> bool {
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sell_token_address < buy_token_address
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}
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}
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impl SwapEncoder for UniswapV4SwapEncoder {
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fn new(executor_address: String) -> Self {
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Self { executor_address }
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}
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fn encode_swap(
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&self,
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swap: Swap,
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encoding_context: EncodingContext,
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) -> Result<Vec<u8>, EncodingError> {
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let fee = get_static_attribute(&swap, "key_lp_fee")?;
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let pool_fee_u24 = pad_to_fixed_size::<3>(&fee)
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.map_err(|_| EncodingError::FatalError("Failed to pad fee bytes".to_string()))?;
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let tick_spacing = get_static_attribute(&swap, "tick_spacing")?;
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let pool_tick_spacing_u24 = pad_to_fixed_size::<3>(&tick_spacing).map_err(|_| {
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EncodingError::FatalError("Failed to pad tick spacing bytes".to_string())
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})?;
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// Early check if this is not the first swap
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if encoding_context.group_token_in != swap.token_in {
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return Ok((bytes_to_address(&swap.token_out)?, pool_fee_u24, pool_tick_spacing_u24)
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.abi_encode_packed());
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}
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// This is the first swap, compute all necessary values
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let token_in_address = bytes_to_address(&swap.token_in)?;
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let token_out_address = bytes_to_address(&swap.token_out)?;
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let group_token_in_address = bytes_to_address(&encoding_context.group_token_in)?;
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let group_token_out_address = bytes_to_address(&encoding_context.group_token_out)?;
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let zero_to_one = Self::get_zero_to_one(token_in_address, token_out_address);
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let callback_executor =
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bytes_to_address(&Bytes::from_str(&self.executor_address).map_err(|_| {
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EncodingError::FatalError("Invalid UniswapV4 executor address".into())
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})?)?;
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let pool_params =
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(token_out_address, pool_fee_u24, pool_tick_spacing_u24).abi_encode_packed();
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let args = (
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group_token_in_address,
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group_token_out_address,
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zero_to_one,
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callback_executor,
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pool_params,
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);
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Ok(args.abi_encode_packed())
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}
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fn executor_address(&self) -> &str {
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&self.executor_address
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}
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fn clone_box(&self) -> Box<dyn SwapEncoder> {
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Box::new(self.clone())
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}
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}
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/// Encodes a swap on a Balancer V2 pool through the given executor address.
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///
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/// # Fields
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/// * `executor_address` - The address of the executor contract that will perform the swap.
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/// * `vault_address` - The address of the vault contract that will perform the swap.
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#[derive(Clone)]
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pub struct BalancerV2SwapEncoder {
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executor_address: String,
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vault_address: String,
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}
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impl SwapEncoder for BalancerV2SwapEncoder {
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fn new(executor_address: String) -> Self {
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Self {
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executor_address,
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vault_address: "0xba12222222228d8ba445958a75a0704d566bf2c8".to_string(),
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}
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}
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fn encode_swap(
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&self,
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swap: Swap,
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encoding_context: EncodingContext,
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) -> Result<Vec<u8>, EncodingError> {
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let token_approvals_manager = ProtocolApprovalsManager::new()?;
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let token = bytes_to_address(&swap.token_in)?;
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let router_address = bytes_to_address(&encoding_context.router_address)?;
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let approval_needed = token_approvals_manager.approval_needed(
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token,
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router_address,
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Address::from_str(&self.vault_address)
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.map_err(|_| EncodingError::FatalError("Invalid vault address".to_string()))?,
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)?;
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let component_id = AlloyBytes::from_str(&swap.component.id)
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.map_err(|_| EncodingError::FatalError("Invalid component ID".to_string()))?;
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let args = (
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bytes_to_address(&swap.token_in)?,
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bytes_to_address(&swap.token_out)?,
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component_id,
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bytes_to_address(&encoding_context.receiver)?,
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approval_needed,
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);
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Ok(args.abi_encode_packed())
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}
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fn executor_address(&self) -> &str {
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&self.executor_address
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}
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fn clone_box(&self) -> Box<dyn SwapEncoder> {
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Box::new(self.clone())
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}
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}
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#[cfg(test)]
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mod tests {
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use std::collections::HashMap;
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use alloy::hex::encode;
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use num_bigint::BigInt;
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use tycho_core::{models::protocol::ProtocolComponent, Bytes};
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use super::*;
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#[test]
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fn test_encode_uniswap_v2() {
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let usv2_pool = ProtocolComponent {
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id: String::from("0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640"),
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..Default::default()
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};
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let token_in = Bytes::from("0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2");
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let token_out = Bytes::from("0x6b175474e89094c44da98b954eedeac495271d0f");
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let swap = Swap {
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component: usv2_pool,
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token_in: token_in.clone(),
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token_out: token_out.clone(),
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split: 0f64,
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};
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let encoding_context = EncodingContext {
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receiver: Bytes::from("0x0000000000000000000000000000000000000001"),
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exact_out: false,
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router_address: Bytes::zero(20),
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group_token_in: token_in.clone(),
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group_token_out: token_out.clone(),
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};
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let encoder =
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UniswapV2SwapEncoder::new(String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"));
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let encoded_swap = encoder
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.encode_swap(swap, encoding_context)
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.unwrap();
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let hex_swap = encode(&encoded_swap);
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assert_eq!(
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hex_swap,
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String::from(concat!(
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// in token
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"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
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// component id
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"88e6a0c2ddd26feeb64f039a2c41296fcb3f5640",
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// receiver
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"0000000000000000000000000000000000000001",
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// zero for one
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"00",
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))
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);
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}
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#[test]
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fn test_encode_uniswap_v3() {
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let fee = BigInt::from(500);
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let encoded_pool_fee = Bytes::from(fee.to_signed_bytes_be());
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let mut static_attributes: HashMap<String, Bytes> = HashMap::new();
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static_attributes.insert("fee".into(), Bytes::from(encoded_pool_fee.to_vec()));
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let usv3_pool = ProtocolComponent {
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id: String::from("0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640"),
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static_attributes,
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..Default::default()
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};
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let token_in = Bytes::from("0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2");
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let token_out = Bytes::from("0x6b175474e89094c44da98b954eedeac495271d0f");
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let swap = Swap {
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component: usv3_pool,
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token_in: token_in.clone(),
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token_out: token_out.clone(),
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split: 0f64,
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};
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let encoding_context = EncodingContext {
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receiver: Bytes::from("0x0000000000000000000000000000000000000001"),
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exact_out: false,
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router_address: Bytes::zero(20),
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group_token_in: token_in.clone(),
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group_token_out: token_out.clone(),
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};
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let encoder =
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UniswapV3SwapEncoder::new(String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"));
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let encoded_swap = encoder
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.encode_swap(swap, encoding_context)
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.unwrap();
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let hex_swap = encode(&encoded_swap);
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assert_eq!(
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hex_swap,
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String::from(concat!(
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// in token
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"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
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// out token
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"6b175474e89094c44da98b954eedeac495271d0f",
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// fee
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"0001f4",
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// receiver
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"0000000000000000000000000000000000000001",
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// pool id
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"88e6a0c2ddd26feeb64f039a2c41296fcb3f5640",
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// zero for one
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"00",
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))
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);
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}
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#[test]
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fn test_encode_balancer_v2() {
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let balancer_pool = ProtocolComponent {
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id: String::from("0x5c6ee304399dbdb9c8ef030ab642b10820db8f56000200000000000000000014"),
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protocol_system: String::from("vm:balancer_v2"),
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..Default::default()
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};
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let token_in = Bytes::from("0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2");
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let token_out = Bytes::from("0xba100000625a3754423978a60c9317c58a424e3D");
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let swap = Swap {
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component: balancer_pool,
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token_in: token_in.clone(),
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token_out: token_out.clone(),
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split: 0f64,
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};
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let encoding_context = EncodingContext {
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// The receiver was generated with `makeAddr("bob") using forge`
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receiver: Bytes::from("0x1d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e"),
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exact_out: false,
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router_address: Bytes::zero(20),
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group_token_in: token_in.clone(),
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group_token_out: token_out.clone(),
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};
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let encoder =
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BalancerV2SwapEncoder::new(String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"));
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let encoded_swap = encoder
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.encode_swap(swap, encoding_context)
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.unwrap();
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let hex_swap = encode(&encoded_swap);
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assert_eq!(
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hex_swap,
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String::from(concat!(
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// token in
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"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
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// token out
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"ba100000625a3754423978a60c9317c58a424e3d",
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// pool id
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"5c6ee304399dbdb9c8ef030ab642b10820db8f56000200000000000000000014",
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// receiver
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"1d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e",
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// approval needed
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"01"
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))
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);
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}
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#[test]
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fn test_encode_uniswap_v4_simple_swap() {
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let fee = BigInt::from(100);
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let tick_spacing = BigInt::from(1);
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let token_in = Bytes::from("0x4c9EDD5852cd905f086C759E8383e09bff1E68B3"); // USDE
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let token_out = Bytes::from("0xdAC17F958D2ee523a2206206994597C13D831ec7"); // USDT
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let mut static_attributes: HashMap<String, Bytes> = HashMap::new();
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static_attributes.insert("key_lp_fee".into(), Bytes::from(fee.to_signed_bytes_be()));
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static_attributes
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.insert("tick_spacing".into(), Bytes::from(tick_spacing.to_signed_bytes_be()));
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let usv4_pool = ProtocolComponent {
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// Pool manager
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id: String::from("0x000000000004444c5dc75cB358380D2e3dE08A90"),
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static_attributes,
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..Default::default()
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};
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let swap = Swap {
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component: usv4_pool,
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token_in: token_in.clone(),
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token_out: token_out.clone(),
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split: 0f64,
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};
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let encoding_context = EncodingContext {
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// The receiver address was taken from `address(uniswapV4Exposed)` in the
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// UniswapV4Executor.t.sol
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receiver: Bytes::from("0x5615deb798bb3e4dfa0139dfa1b3d433cc23b72f"),
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exact_out: false,
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// Same as the executor address
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router_address: Bytes::from("0x5615deb798bb3e4dfa0139dfa1b3d433cc23b72f"),
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group_token_in: token_in.clone(),
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group_token_out: token_out.clone(),
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};
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let encoder =
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UniswapV4SwapEncoder::new(String::from("0xF62849F9A0B5Bf2913b396098F7c7019b51A820a"));
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let encoded_swap = encoder
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.encode_swap(swap, encoding_context)
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.unwrap();
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let hex_swap = encode(&encoded_swap);
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println!("{}", hex_swap);
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assert_eq!(
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hex_swap,
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String::from(concat!(
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// group token in
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"4c9edd5852cd905f086c759e8383e09bff1e68b3",
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// group token out
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"dac17f958d2ee523a2206206994597c13d831ec7",
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// zero for one
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"01",
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// executor address
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"f62849f9a0b5bf2913b396098f7c7019b51a820a",
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// pool params:
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// - intermediary token
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"dac17f958d2ee523a2206206994597c13d831ec7",
|
|
// - fee
|
|
"000064",
|
|
// - tick spacing
|
|
"000001"
|
|
))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_encode_uniswap_v4_second_swap() {
|
|
let fee = BigInt::from(3000);
|
|
let tick_spacing = BigInt::from(60);
|
|
let group_token_in = Bytes::from("0x4c9EDD5852cd905f086C759E8383e09bff1E68B3"); // USDE
|
|
let token_in = Bytes::from("0xdAC17F958D2ee523a2206206994597C13D831ec7"); // USDT
|
|
let token_out = Bytes::from("0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599"); // WBTC
|
|
|
|
let mut static_attributes: HashMap<String, Bytes> = HashMap::new();
|
|
static_attributes.insert("key_lp_fee".into(), Bytes::from(fee.to_signed_bytes_be()));
|
|
static_attributes
|
|
.insert("tick_spacing".into(), Bytes::from(tick_spacing.to_signed_bytes_be()));
|
|
|
|
let usv4_pool = ProtocolComponent {
|
|
id: String::from("0x000000000004444c5dc75cB358380D2e3dE08A90"),
|
|
static_attributes,
|
|
..Default::default()
|
|
};
|
|
|
|
let swap = Swap {
|
|
component: usv4_pool,
|
|
token_in: token_in.clone(),
|
|
token_out: token_out.clone(),
|
|
split: 0f64,
|
|
};
|
|
|
|
let encoding_context = EncodingContext {
|
|
receiver: Bytes::from("0x0000000000000000000000000000000000000001"),
|
|
exact_out: false,
|
|
router_address: Bytes::zero(20),
|
|
group_token_in: group_token_in.clone(),
|
|
// Token out is the same as the group token out
|
|
group_token_out: token_out.clone(),
|
|
};
|
|
|
|
let encoder =
|
|
UniswapV4SwapEncoder::new(String::from("0x543778987b293C7E8Cf0722BB2e935ba6f4068D4"));
|
|
let encoded_swap = encoder
|
|
.encode_swap(swap, encoding_context)
|
|
.unwrap();
|
|
let hex_swap = encode(&encoded_swap);
|
|
|
|
assert_eq!(
|
|
hex_swap,
|
|
String::from(concat!(
|
|
// pool params:
|
|
// - intermediary token (20 bytes)
|
|
"2260fac5e5542a773aa44fbcfedf7c193bc2c599",
|
|
// - fee (3 bytes)
|
|
"000bb8",
|
|
// - tick spacing (3 bytes)
|
|
"00003c"
|
|
))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_encode_uniswap_v4_sequential_swap() {
|
|
let usde_address = Bytes::from("0x4c9EDD5852cd905f086C759E8383e09bff1E68B3");
|
|
let usdt_address = Bytes::from("0xdAC17F958D2ee523a2206206994597C13D831ec7");
|
|
let wbtc_address = Bytes::from("0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599");
|
|
let router_address = Bytes::from("0x5615deb798bb3e4dfa0139dfa1b3d433cc23b72f");
|
|
let receiver_address = router_address.clone();
|
|
|
|
// The context is the same for both swaps, since the group token in and out are the same
|
|
let context = EncodingContext {
|
|
receiver: receiver_address.clone(),
|
|
exact_out: false,
|
|
router_address: router_address.clone(),
|
|
group_token_in: usde_address.clone(),
|
|
group_token_out: wbtc_address.clone(),
|
|
};
|
|
|
|
// Setup - First sequence: USDE -> USDT
|
|
let usde_usdt_fee = BigInt::from(100);
|
|
let usde_usdt_tick_spacing = BigInt::from(1);
|
|
|
|
let mut usde_usdt_static_attributes: HashMap<String, Bytes> = HashMap::new();
|
|
usde_usdt_static_attributes
|
|
.insert("key_lp_fee".into(), Bytes::from(usde_usdt_fee.to_signed_bytes_be()));
|
|
usde_usdt_static_attributes.insert(
|
|
"tick_spacing".into(),
|
|
Bytes::from(usde_usdt_tick_spacing.to_signed_bytes_be()),
|
|
);
|
|
|
|
let usde_usdt_component = ProtocolComponent {
|
|
id: String::from("0x000000000004444c5dc75cB358380D2e3dE08A90"),
|
|
static_attributes: usde_usdt_static_attributes,
|
|
..Default::default()
|
|
};
|
|
|
|
// Setup - Second sequence: USDT -> WBTC
|
|
let usdt_wbtc_fee = BigInt::from(3000);
|
|
let usdt_wbtc_tick_spacing = BigInt::from(60);
|
|
|
|
let mut usdt_wbtc_static_attributes: HashMap<String, Bytes> = HashMap::new();
|
|
usdt_wbtc_static_attributes
|
|
.insert("key_lp_fee".into(), Bytes::from(usdt_wbtc_fee.to_signed_bytes_be()));
|
|
usdt_wbtc_static_attributes.insert(
|
|
"tick_spacing".into(),
|
|
Bytes::from(usdt_wbtc_tick_spacing.to_signed_bytes_be()),
|
|
);
|
|
|
|
let usdt_wbtc_component = ProtocolComponent {
|
|
id: String::from("0x000000000004444c5dc75cB358380D2e3dE08A90"),
|
|
static_attributes: usdt_wbtc_static_attributes,
|
|
..Default::default()
|
|
};
|
|
|
|
let initial_swap = Swap {
|
|
component: usde_usdt_component,
|
|
token_in: usde_address.clone(),
|
|
token_out: usdt_address.clone(),
|
|
split: 0f64,
|
|
};
|
|
|
|
let second_swap = Swap {
|
|
component: usdt_wbtc_component,
|
|
token_in: usdt_address,
|
|
token_out: wbtc_address.clone(),
|
|
split: 0f64,
|
|
};
|
|
|
|
let encoder =
|
|
UniswapV4SwapEncoder::new(String::from("0xF62849F9A0B5Bf2913b396098F7c7019b51A820a"));
|
|
let initial_encoded_swap = encoder
|
|
.encode_swap(initial_swap, context.clone())
|
|
.unwrap();
|
|
let second_encoded_swap = encoder
|
|
.encode_swap(second_swap, context)
|
|
.unwrap();
|
|
|
|
let combined_hex =
|
|
format!("{}{}", encode(&initial_encoded_swap), encode(&second_encoded_swap));
|
|
|
|
assert_eq!(
|
|
combined_hex,
|
|
String::from(concat!(
|
|
// group_token in
|
|
"4c9edd5852cd905f086c759e8383e09bff1e68b3",
|
|
// group_token out
|
|
"2260fac5e5542a773aa44fbcfedf7c193bc2c599",
|
|
// zero for one
|
|
"01",
|
|
// executor address
|
|
"f62849f9a0b5bf2913b396098f7c7019b51a820a",
|
|
// pool params:
|
|
// - intermediary token USDT
|
|
"dac17f958d2ee523a2206206994597c13d831ec7",
|
|
// - fee
|
|
"000064",
|
|
// - tick spacing
|
|
"000001",
|
|
// - intermediary token WBTC
|
|
"2260fac5e5542a773aa44fbcfedf7c193bc2c599",
|
|
// - fee
|
|
"000bb8",
|
|
// - tick spacing
|
|
"00003c"
|
|
))
|
|
);
|
|
}
|
|
}
|