Support multi-validator in script context accept test.

crates/aiken/src/cmd/tx/simulate.rs

@@ -110,8 +110,8 @@ pub fn exec(
 
         let with_redeemer = |redeemer: &Redeemer| {
             eprintln!(
-                "{} {:?} → {}",
-                "     Redeemer"
+                "{} {:?}[{}]",
+                "   Evaluating"
                     .if_supports_color(Stderr, |s| s.purple())
                     .if_supports_color(Stderr, |s| s.bold()),
                 redeemer.tag,

crates/uplc/src/tx/error.rs

@@ -49,11 +49,11 @@ pub enum Error {
     #[error("can't eval without redeemers")]
     NoRedeemers,
     #[error(
-        "mismatch in expected redeemers\n{:>13} {}\n{:>13} {}",
+        "missing and/or unexpected validator(s) and/or redeemer(s)\n{:>13} {}\n{:>13} {}",
         "Missing",
-        if .missing.is_empty() { "ø".to_string() } else { .missing.join(&format!("\n{:>13}", "")) },
+        if .missing.is_empty() { "ø".to_string() } else { .missing.join(&format!("\n{:>14}", "")) },
         "Unexpected",
-        if .extra.is_empty() { "ø".to_string() } else { .extra.join(&format!("\n{:>13}", "")) },
+        if .extra.is_empty() { "ø".to_string() } else { .extra.join(&format!("\n{:>14}", "")) },
     )]
     RequiredRedeemersMismatch {
         missing: Vec<String>,
@@ -87,7 +87,7 @@ pub enum Error {
     MissingRequiredInlineDatumOrHash,
     #[error("redeemer points to an unsupported certificate type")]
     UnsupportedCertificateType,
-    #[error("failed script execution\n{:>13} {}", format!("{}({})", tag, index), err)]
+    #[error("failed script execution\n{:>13} {}", format!("{}[{}]", tag, index), err)]
     RedeemerError {
         tag: String,
         index: u32,

crates/uplc/src/tx/eval.rs

@@ -44,7 +44,7 @@ pub fn eval_redeemer(
             }
             .apply_data(redeemer.data.clone())
             .apply_data(script_context.to_plutus_data()),
-            ScriptContext::V3 { .. } => {
+            ScriptContext::V3 { .. } if datum.is_some() => {
                 program
                     // FIXME: Temporary, but needed until https://github.com/aiken-lang/aiken/pull/977
                     // is implemented.
@@ -52,6 +52,13 @@ pub fn eval_redeemer(
                     .apply_data(Data::constr(0, vec![]))
                     .apply_data(script_context.to_plutus_data())
             }
+            ScriptContext::V3 { .. } => {
+                program
+                    // FIXME: Temporary, but needed until https://github.com/aiken-lang/aiken/pull/977
+                    // is implemented.
+                    .apply_data(Data::constr(0, vec![]))
+                    .apply_data(script_context.to_plutus_data())
+            }
         };
 
         let mut eval_result = if let Some(costs) = cost_mdl_opt {

crates/uplc/src/tx/phase_one.rs

@@ -185,7 +185,7 @@ pub fn has_exact_set_of_redeemers(
     let missing: Vec<_> = redeemers_needed
         .into_iter()
         .filter(|x| !wits_redeemer_keys.contains(&&x.0))
-        .map(|x| format!("{} (key: {:?}, purpose: {:?})", x.2, x.0, x.1,))
+        .map(|x| format!("{:?}[{:?}] -> {}", x.0.tag, x.0.index, x.2))
         .collect();
 
     let extra: Vec<_> = wits_redeemer_keys