feat: Remove router_address from TychoEncoder

Make the router address mandatory for the Solution attribute instead

--- don't change below this line ---
ENG-4088 Took 30 minutes

src/bin/lib/cli.rs

@@ -1,5 +1,4 @@
 pub use clap::Parser;
-pub const DEFAULT_ROUTER_ADDRESS: &str = "0xaa820C29648D5EA543d712cC928377Bd7206a0E7";
 
 #[derive(Parser)]
 /// Encode swap transactions for the Tycho router
@@ -35,10 +34,6 @@ pub const DEFAULT_ROUTER_ADDRESS: &str = "0xaa820C29648D5EA543d712cC928377Bd7206
 /// }
 /// ```
 pub struct Cli {
-    /// Router contract address to use for encoding transactions
-    #[arg(default_value = DEFAULT_ROUTER_ADDRESS)]
-    pub router_address: String,
-
     /// Private key for signing approvals (required when direct_execution is false)
     #[arg(short)]
     pub private_key: Option<String>,

src/bin/tycho-encode.rs

@@ -33,7 +33,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     }
 
     // Encode the solution
-    let encoded = encode_swaps(&buffer, &cli.router_address, cli.config_path, cli.private_key)?;
+    let encoded = encode_swaps(&buffer, cli.config_path, cli.private_key)?;
 
     // Output the encoded result as JSON to stdout
     println!(
@@ -47,7 +47,6 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
 fn encode_swaps(
     input: &str,
-    router_address: &str,
     config_path: Option<String>,
     private_key: Option<String>,
 ) -> Result<Value, Box<dyn std::error::Error>> {
@@ -55,7 +54,7 @@ fn encode_swaps(
     let chain = Chain::Ethereum;
 
     let strategy_selector = EVMStrategyEncoderRegistry::new(chain, config_path, private_key)?;
-    let encoder = EVMTychoEncoder::new(strategy_selector, router_address.to_string(), chain)?;
+    let encoder = EVMTychoEncoder::new(strategy_selector, chain)?;
     let transactions = encoder.encode_router_calldata(vec![solution])?;
 
     Ok(serde_json::json!({