feat: remove plutus v1,v2 from aiken.toml closes #1032

crates/aiken-project/src/config.rs

@@ -1,4 +1,6 @@
-use crate::{github::repo::LatestRelease, package_name::PackageName, paths, Error};
+use crate::{
+    error::TomlLoadingContext, github::repo::LatestRelease, package_name::PackageName, paths, Error,
+};
 use aiken_lang::{
     ast::{Annotation, ByteArrayFormatPreference, ModuleConstant, Span, UntypedDefinition},
     expr::UntypedExpr,
@@ -343,6 +345,7 @@ impl Config {
         })?;
 
         let result: Self = toml::from_str(&raw_config).map_err(|e| Error::TomlLoading {
+            ctx: TomlLoadingContext::Project,
             path: config_path.clone(),
             src: raw_config.clone(),
             named: NamedSource::new(config_path.display().to_string(), raw_config).into(),
@@ -351,7 +354,7 @@ impl Config {
                 start: range.start,
                 end: range.end,
             }),
-            help: e.to_string(),
+            help: e.message().to_string(),
         })?;
 
         Ok(result)

crates/aiken-project/src/deps.rs

@@ -7,7 +7,7 @@ use tokio::time::Instant;
 
 use crate::{
     config::{Config, Dependency},
-    error::Error,
+    error::{Error, TomlLoadingContext},
     package_name::PackageName,
     paths,
     telemetry::{DownloadSource, Event, EventListener},
@@ -44,6 +44,7 @@ impl LocalPackages {
         let src = fs::read_to_string(&path)?;
 
         let result: Self = toml::from_str(&src).map_err(|e| Error::TomlLoading {
+            ctx: TomlLoadingContext::Package,
             path: path.clone(),
             src: src.clone(),
             named: NamedSource::new(path.display().to_string(), src).into(),
@@ -52,7 +53,7 @@ impl LocalPackages {
                 start: range.start,
                 end: range.end,
             }),
-            help: e.to_string(),
+            help: e.message().to_string(),
         })?;
 
         Ok(result)

crates/aiken-project/src/deps/manifest.rs

@@ -10,7 +10,7 @@ use std::{
 
 use crate::{
     config::{Config, Dependency, Platform},
-    error::Error,
+    error::{Error, TomlLoadingContext},
     package_name::PackageName,
     paths,
     telemetry::{Event, EventListener},
@@ -47,6 +47,7 @@ impl Manifest {
         let toml = fs::read_to_string(&manifest_path)?;
 
         let manifest: Self = toml::from_str(&toml).map_err(|e| Error::TomlLoading {
+            ctx: TomlLoadingContext::Manifest,
             path: manifest_path.clone(),
             src: toml.clone(),
             named: NamedSource::new(manifest_path.display().to_string(), toml).into(),
@@ -55,7 +56,7 @@ impl Manifest {
                 start: range.start,
                 end: range.end,
             }),
-            help: e.to_string(),
+            help: e.message().to_string(),
         })?;
 
         // If the config is unchanged since the manifest was written then it is up

crates/aiken-project/src/error.rs

@@ -15,12 +15,28 @@ use owo_colors::{
     Stream::{Stderr, Stdout},
 };
 use std::{
-    fmt::{Debug, Display},
+    fmt::{self, Debug, Display},
     io,
     path::{Path, PathBuf},
 };
 use zip::result::ZipError;
 
+pub enum TomlLoadingContext {
+    Project,
+    Manifest,
+    Package,
+}
+
+impl fmt::Display for TomlLoadingContext {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            TomlLoadingContext::Project => write!(f, "project"),
+            TomlLoadingContext::Manifest => write!(f, "manifest"),
+            TomlLoadingContext::Package => write!(f, "package"),
+        }
+    }
+}
+
 #[allow(dead_code)]
 #[derive(thiserror::Error)]
 pub enum Error {
@@ -58,8 +74,9 @@ pub enum Error {
     #[error(transparent)]
     Module(#[from] ast::Error),
 
-    #[error("{help}")]
+    #[error("I could not load the {ctx} config file.")]
     TomlLoading {
+        ctx: TomlLoadingContext,
         path: PathBuf,
         src: String,
         named: Box<NamedSource<String>>,
@@ -372,7 +389,7 @@ impl Diagnostic for Error {
             Error::NoDefaultEnvironment { .. } => Some(Box::new(
                 "Environment module names are free, but there must be at least one named 'default.ak'.",
             )),
-            Error::TomlLoading { .. } => None,
+            Error::TomlLoading { help, .. } => Some(Box::new(help)),
             Error::Format { .. } => None,
             Error::TestFailure { .. } => None,
             Error::Http(_) => None,

crates/aiken-project/src/export.rs

@@ -64,16 +64,16 @@ impl Export {
             })
             .collect::<Result<_, _>>()?;
 
+        let program = generator
+            .generate_raw(&func.body, &func.arguments, &module.name)
+            .to_debruijn()
+            .unwrap();
+
         let program = match plutus_version {
-            PlutusVersion::V1 => SerializableProgram::PlutusV1Program,
-            PlutusVersion::V2 => SerializableProgram::PlutusV2Program,
-            PlutusVersion::V3 => SerializableProgram::PlutusV3Program,
-        }(
-            generator
-                .generate_raw(&func.body, &func.arguments, &module.name)
-                .to_debruijn()
-                .unwrap(),
-        );
+            PlutusVersion::V1 => SerializableProgram::PlutusV1Program(program),
+            PlutusVersion::V2 => SerializableProgram::PlutusV2Program(program),
+            PlutusVersion::V3 => SerializableProgram::PlutusV3Program(program),
+        };
 
         Ok(Export {
             name: format!("{}.{}", &module.name, &func.name),