feat: move input from json to helper method

crates/uplc/src/tx/eval.rs

@@ -1,5 +1,5 @@
 use crate::{
-    ast::{DeBruijn, FakeNamedDeBruijn, NamedDeBruijn, Program},
+    ast::{FakeNamedDeBruijn, NamedDeBruijn, Program},
     machine::cost_model::ExBudget,
     PlutusData,
 };

crates/uplc/src/tx/script_context.rs

@@ -1,3 +1,5 @@
+use std::{fs::File, io::BufReader, path::PathBuf};
+
 use pallas_codec::utils::KeyValuePairs;
 use pallas_crypto::hash::Hash;
 use pallas_primitives::babbage::{
@@ -14,6 +16,26 @@ pub struct ResolvedInput {
     pub output: TransactionOutput,
 }
 
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+    #[error("{0}")]
+    File(#[from] std::io::Error),
+    #[error("{0}")]
+    Serde(#[from] serde_json::error::Error),
+}
+
+impl ResolvedInput {
+    pub fn from_json(file: &PathBuf) -> Result<Vec<Self>, Error> {
+        let file = File::open(file)?;
+
+        let reader = BufReader::new(file);
+
+        let resolved_inputs: Vec<ResolvedInput> = serde_json::from_reader(reader)?;
+
+        Ok(resolved_inputs)
+    }
+}
+
 #[derive(Debug, PartialEq, Clone)]
 pub struct TxInInfo {
     pub out_ref: TransactionInput,

crates/uplc/src/tx/to_plutus_data.rs

@@ -43,7 +43,7 @@ pub trait ToPlutusData {
     fn to_plutus_data(&self) -> PlutusData;
 }
 
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct MintValue {
     pub mint_value: Mint,
 }