45fdfc708d
- Biggest issue: We must encode the executor address, not the router address, in the USV4 swap encoder
37 lines
1.4 KiB
Rust
37 lines
1.4 KiB
Rust
use crate::encoding::{
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errors::EncodingError,
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evm::swap_encoder::swap_encoders::{
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BalancerV2SwapEncoder, UniswapV2SwapEncoder, UniswapV3SwapEncoder, UniswapV4SwapEncoder,
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},
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swap_encoder::SwapEncoder,
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};
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/// Builds a `SwapEncoder` for the given protocol system and executor address.
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pub struct SwapEncoderBuilder {
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protocol_system: String,
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executor_address: String,
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}
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impl SwapEncoderBuilder {
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pub fn new(protocol_system: &str, executor_address: &str) -> Self {
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SwapEncoderBuilder {
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protocol_system: protocol_system.to_string(),
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executor_address: executor_address.to_string(),
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}
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}
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pub fn build(self) -> Result<Box<dyn SwapEncoder>, EncodingError> {
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match self.protocol_system.as_str() {
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"uniswap_v2" => Ok(Box::new(UniswapV2SwapEncoder::new(self.executor_address))),
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"vm:balancer_v2" => Ok(Box::new(BalancerV2SwapEncoder::new(self.executor_address))),
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"uniswap_v3" => Ok(Box::new(UniswapV3SwapEncoder::new(self.executor_address))),
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// TODO replace this with V4 encoder once implemented
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"uniswap_v4" => Ok(Box::new(UniswapV4SwapEncoder::new(self.executor_address))),
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_ => Err(EncodingError::FatalError(format!(
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"Unknown protocol system: {}",
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self.protocol_system
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))),
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}
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}
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}
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