diff --git a/bin/tendermintx.rs b/bin/tendermintx.rs
index 2e955e3..4bbd315 100644
--- a/bin/tendermintx.rs
+++ b/bin/tendermintx.rs
@@ -113,6 +113,27 @@ impl TendermintXOperator {
         Ok(request_id)
     }
 
+    async fn request_step_2(&self, trusted_hash: [u8; 32], trusted_block: u64) -> Result<String> {
+        let trusted_header_hash = trusted_hash;
+
+        let input = StepInputTuple::abi_encode_packed(&(trusted_block, trusted_header_hash));
+
+        let step_call = StepCall { trusted_block };
+        let function_data = step_call.encode();
+
+        let request_id = self
+            .client
+            .submit_platform_request(
+                self.config.chain_id,
+                self.config.address,
+                function_data.into(),
+                self.config.step_function_id,
+                Bytes::copy_from_slice(&input),
+            )
+            .await?;
+        Ok(request_id)
+    }
+
     async fn request_skip(&self, trusted_block: u64, target_block: u64) -> Result<String> {
         let trusted_header_hash = self
             .contract
@@ -142,6 +163,36 @@ impl TendermintXOperator {
         Ok(request_id)
     }
 
+    async fn request_skip_2(
+        &self,
+        trusted_hash: [u8; 32],
+        trusted_block: u64,
+        target_block: u64,
+    ) -> Result<String> {
+        let trusted_header_hash = trusted_hash;
+
+        let input =
+            SkipInputTuple::abi_encode_packed(&(trusted_block, trusted_header_hash, target_block));
+
+        let skip_call = SkipCall {
+            trusted_block,
+            target_block,
+        };
+        let function_data = skip_call.encode();
+
+        let request_id = self
+            .client
+            .submit_platform_request(
+                self.config.chain_id,
+                self.config.address,
+                function_data.into(),
+                self.config.skip_function_id,
+                Bytes::copy_from_slice(&input),
+            )
+            .await?;
+        Ok(request_id)
+    }
+
     async fn is_consistent(&mut self, current_block: u64) {
         let expected_current_signed_header = self
             .data_fetcher
@@ -193,6 +244,8 @@ impl TendermintXOperator {
                 .data_fetcher
                 .find_block_to_request(current_block, max_end_block)
                 .await;
+            println!("Current block: {}", current_block);
+            println!("Target block: {}", target_block);
 
             if target_block - current_block == 1 {
                 // Request the step if the target block is the next block.
@@ -221,14 +274,116 @@ impl TendermintXOperator {
             tokio::time::sleep(tokio::time::Duration::from_secs(60 * LOOP_DELAY)).await;
         }
     }
+
+    async fn create_proof(
+        &mut self,
+        trusted_hash: [u8; 32],
+        current_block_input: u64,
+        target_block_input: u64,
+    ) {
+        if current_block_input >= target_block_input {
+            error!("Invalid block input");
+            error!("Current block: {}", current_block_input);
+            error!("Target block: {}", target_block_input);
+            error!("trusted_hash: {:?}", trusted_hash);
+            return;
+        }
+        // The upper limit of the largest skip that can be requested. This is bounded by the unbonding
+        // period, which for most Tendermint chains is ~2 weeks, or ~100K blocks with a block time
+        // of 12s.
+        // let skip_max = self.contract.skip_max().await.unwrap();
+        // let current_block = self.contract.latest_block().await.unwrap();
+        let current_block = current_block_input;
+
+        // Consistency check for the headers (this should only happen if an invalid header,
+        // typically the genesis header, is pushed to the contract). If this is triggered,
+        // double check the genesis header in the contract.
+        // self.is_consistent(current_block).await;
+
+        // Get the head of the chain.
+        // let latest_signed_header = self.data_fetcher.get_latest_signed_header().await;
+        // let latest_block = latest_signed_header.header.height.value();
+
+        // Get the maximum block height we can request.
+        // let max_end_block = std::cmp::min(latest_block, current_block + skip_max);
+
+        // let target_block = self
+        //     .data_fetcher
+        //     .find_block_to_request(current_block, max_end_block)
+        //     .await;
+
+        let target_block = target_block_input;
+
+        println!("Current block: {}", current_block);
+        println!("Target block: {}", target_block);
+
+        // let target_block = target_block_input;
+        println!("New target block: {}", target_block);
+
+        // info!("request____start:{}request____end", "123123123");
+        // return;
+
+        if target_block - current_block == 1 {
+            // Request the step if the target block is the next block.
+            match self.request_step_2(trusted_hash, current_block).await {
+                Ok(request_id) => {
+                    info!("request____start{}request____end", request_id);
+                    info!("Step request submitted: {}", request_id)
+                }
+                Err(e) => {
+                    error!("Step request failed: {}", e);
+                    return;
+                }
+            };
+        } else {
+            // Request a skip if the target block is not the next block.
+            match self
+                .request_skip_2(trusted_hash, current_block, target_block)
+                .await
+            {
+                Ok(request_id) => {
+                    info!("request____start{}request____end", request_id);
+                    info!("Skip request submitted: {}", request_id)
+                }
+                Err(e) => {
+                    error!("Skip request failed: {}", e);
+                    return;
+                }
+            };
+        }
+    }
 }
 
+// #[tokio::main]
+// async fn main() {
+//     env::set_var("RUST_LOG", "info");
+//     dotenv::dotenv().ok();
+//     env_logger::init();
+
+//     let mut operator = TendermintXOperator::new();
+//     operator.run().await;
+// }
+
 #[tokio::main]
 async fn main() {
+    /*
+        cargo run --package tendermintx --bin tendermintx --release 123456 654321
+    */
+    let arg = std::env::args().nth(3).expect("Expected a third argument");
+    let args: Vec<String> = std::env::args().collect();
+    let trusted = args[1].parse::<u64>().unwrap();
+    let height = args[2].parse::<u64>().unwrap();
+    let bytes = hex::decode(arg).expect("Invalid hex string");
+    let mut array: [u8; 32] = [0; 32];
+    array.copy_from_slice(&bytes);
+
+    println!("Trusted block: {:?}", bytes);
+
+    println!("Proof height: {}", height);
     env::set_var("RUST_LOG", "info");
     dotenv::dotenv().ok();
     env_logger::init();
 
     let mut operator = TendermintXOperator::new();
-    operator.run().await;
+    operator.create_proof(array, trusted, height).await;
 }