fix error leftover from working on the guest interface

cli/src/interface.rs

@@ -16,7 +16,7 @@ use std::str::FromStr;
 
 use alloy_primitives::{FixedBytes, U256};
 use alloy_sol_types::{sol, SolInterface, SolValue};
-use anyhow::Result;
+use anyhow::{Context, Result};
 use risc0_ethereum_sdk::cli::GuestInterface;
 
 // You can modify this file to implement the `GuestInterface` trait
@@ -53,7 +53,7 @@ impl GuestInterface for EvenNumberInterface {
         seal: Vec<u8>,
     ) -> Result<Vec<u8>> {
         // Decode the journal. Must match what was written in the guest with `env::commit_slice`
-        let x = U256::abi_decode(&journal, true)?;
+        let x = U256::abi_decode(&journal, true).context("decoding journal data")?;
 
         // Encode the function call for `IEvenNumber.set(x)`
         Ok(IEvenNumber::IEvenNumberCalls::set(IEvenNumber::setCall {

sdk/src/cli.rs

@@ -103,6 +103,7 @@ pub fn query(
         // No input. Return the Ethereum ABI encoded bytes32 image ID.
         None => format!("0x{}", hex::encode(image_id)),
     };
+    // Forge test FFI calls expect hex encoded bytes sent to stdout
     print!("{output}");
     std::io::stdout()
         .flush()
@@ -130,11 +131,8 @@ pub fn publish(
         post_state_digest,
         seal,
     } = prover::generate_proof(&elf, input)?;
-    let calldata = guest_interface.encode_calldata(
-        risc0_zkvm::serde::from_slice(journal.as_slice())?,
-        post_state_digest,
-        seal,
-    )?;
+
+    let calldata = guest_interface.encode_calldata(journal, post_state_digest, seal)?;
 
     let runtime = tokio::runtime::Runtime::new()?;
     runtime.block_on(tx_sender.send(calldata))?;

sdk/src/eth.rs

@@ -47,11 +47,12 @@ impl TxSender {
             .from(self.client.address())
             .data(calldata);
 
-        eprintln!("Transaction request: {:?}", &tx);
+        // TODO: Add these back as proper log lines istead of print statements
+        //eprintln!("Transaction request: {:?}", &tx);
 
         let tx = self.client.send_transaction(tx, None).await?.await?;
 
-        eprintln!("Transaction receipt: {:?}", &tx);
+        //eprintln!("Transaction receipt: {:?}", &tx);
 
         Ok(tx)
     }