93 lines
3.3 KiB
Rust
93 lines
3.3 KiB
Rust
use tycho_core::dto::Chain;
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use crate::encoding::{
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errors::EncodingError,
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evm::{
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strategy_encoder::strategy_encoders::{ExecutorStrategyEncoder, SplitSwapStrategyEncoder},
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swap_encoder::swap_encoder_registry::SwapEncoderRegistry,
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tycho_encoder::EVMTychoEncoder,
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},
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strategy_encoder::StrategyEncoder,
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};
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/// Builder pattern for constructing an `EVMTychoEncoder` with customizable options.
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///
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/// This struct allows setting a chain and strategy encoder before building the final encoder.
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pub struct EVMEncoderBuilder {
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strategy: Option<Box<dyn StrategyEncoder>>,
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chain: Option<Chain>,
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}
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impl Default for EVMEncoderBuilder {
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fn default() -> Self {
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Self::new()
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}
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}
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impl EVMEncoderBuilder {
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pub fn new() -> Self {
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EVMEncoderBuilder { chain: None, strategy: None }
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}
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pub fn chain(mut self, chain: Chain) -> Self {
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self.chain = Some(chain);
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self
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}
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/// Sets the `strategy_encoder` manually.
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///
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/// **Note**: This method should not be used in combination with `tycho_router` or
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/// `direct_execution`.
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pub fn strategy_encoder(mut self, strategy: Box<dyn StrategyEncoder>) -> Self {
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self.strategy = Some(strategy);
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self
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}
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/// Shortcut method to initialize a `SplitSwapStrategyEncoder` with a given `swapper_pk`.
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/// **Note**: Should not be used at the same time as `strategy_encoder`.
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pub fn tycho_router(
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self,
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swapper_pk: String,
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executors_file_path: Option<String>,
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) -> Result<Self, EncodingError> {
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if let Some(chain) = self.chain {
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let swap_encoder_registry = SwapEncoderRegistry::new(executors_file_path, chain)?;
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let strategy =
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Box::new(SplitSwapStrategyEncoder::new(swapper_pk, chain, swap_encoder_registry)?);
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Ok(EVMEncoderBuilder { chain: Some(chain), strategy: Some(strategy) })
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} else {
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Err(EncodingError::FatalError(
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"Please set the chain before setting the tycho router".to_string(),
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))
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}
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}
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/// Shortcut method to initialize an `ExecutorStrategyEncoder`.
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/// **Note**: Should not be used at the same time as `strategy_encoder`.
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pub fn direct_execution(
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self,
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executors_file_path: Option<String>,
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) -> Result<Self, EncodingError> {
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if let Some(chain) = self.chain {
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let swap_encoder_registry = SwapEncoderRegistry::new(executors_file_path, chain)?;
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let strategy = Box::new(ExecutorStrategyEncoder::new(swap_encoder_registry));
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Ok(EVMEncoderBuilder { chain: Some(chain), strategy: Some(strategy) })
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} else {
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Err(EncodingError::FatalError(
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"Please set the chain before setting the strategy".to_string(),
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))
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}
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}
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/// Builds the `EVMTychoEncoder` instance using the configured chain and strategy.
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/// Returns an error if either the chain or strategy has not been set.
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pub fn build(self) -> Result<EVMTychoEncoder, EncodingError> {
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if let (Some(chain), Some(strategy)) = (self.chain, self.strategy) {
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EVMTychoEncoder::new(chain, strategy)
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} else {
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Err(EncodingError::FatalError(
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"Please set the chain and strategy before building the encoder".to_string(),
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))
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}
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}
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}
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