fix some typos

CONTRIBUTING.md

@@ -10,7 +10,7 @@
 
 2. **Documentation**
 
-   Any updates, typo fixes, or expansion of the documention is more than welcome. At the moment,
+   Any updates, typo fixes, or expansion of the documentation is more than welcome. At the moment,
    we are using [nextra](https://nextra.site) to run https://github.com/aiken-lang/site.
    That can be considered user level documentation but that is not strict. There is also doc comments in the Rust code, which can be considered strictly developer level documentation.
 
@@ -42,10 +42,10 @@
 
    **Changelog**
 
-   Please add an entry into [CHANGLOG.md](./CHANGELOG.md) when submitting changes. New entries should go into the `[next] YYYY-MM-DD` section. This let's us keep track of unreleased changes
+   Please add an entry into [CHANGELOG.md](./CHANGELOG.md) when submitting changes. New entries should go into the `[next] YYYY-MM-DD` section. This let's us keep track of unreleased changes
    for use in release notes.
 
-   Once a release is ready `[next] YYYY-MM-DD` gets replaced with a verion number and a the release date `[0.0.0] 2009-01-03`. Usually the maintainers will handle the section renaming along with creating a new _empty_ `[next] YYYY-MM-DD` section at the top of the changelog.
+   Once a release is ready `[next] YYYY-MM-DD` gets replaced with a version number and a the release date `[0.0.0] 2009-01-03`. Usually the maintainers will handle the section renaming along with creating a new _empty_ `[next] YYYY-MM-DD` section at the top of the changelog.
 
    Each release section will be further broken down into three sections named `Added`, `Changed`, and `Removed`. Please put the associated crate's name in **bold** followed by a `:` as a prefix to the new entry.
 

crates/aiken-lang/src/format.rs

@@ -603,8 +603,8 @@ impl<'comments> Formatter<'comments> {
         let count = expressions.len();
         let mut documents = Vec::with_capacity(count * 2);
         for (i, expression) in expressions.iter().enumerate() {
-            let preceeding_newline = self.pop_empty_lines(expression.start_byte_index());
+            let preceding_newline = self.pop_empty_lines(expression.start_byte_index());
-            if i != 0 && preceeding_newline {
+            if i != 0 && preceding_newline {
                 documents.push(lines(2));
             } else if i != 0 {
                 documents.push(lines(1));

crates/aiken-lang/src/gen_uplc/scope.rs

@@ -61,9 +61,9 @@ mod test {
     fn common_ancestor_equal_vecs() {
         let ancestor = Scope(vec![1, 2, 3, 4, 5, 6]);
 
-        let decendant = Scope(vec![1, 2, 3, 4, 5, 6]);
+        let descendant = Scope(vec![1, 2, 3, 4, 5, 6]);
 
-        let result = ancestor.common_ancestor(&decendant);
+        let result = ancestor.common_ancestor(&descendant);
 
         assert_eq!(result, Scope(vec![1, 2, 3, 4, 5, 6]))
     }
@@ -72,9 +72,9 @@ mod test {
     fn common_ancestor_equal_ancestor() {
         let ancestor = Scope(vec![1, 2, 3, 4]);
 
-        let decendant = Scope(vec![1, 2, 3, 4, 5, 6]);
+        let descendant = Scope(vec![1, 2, 3, 4, 5, 6]);
 
-        let result = ancestor.common_ancestor(&decendant);
+        let result = ancestor.common_ancestor(&descendant);
 
         assert_eq!(result, Scope(vec![1, 2, 3, 4]));
     }

crates/aiken-lang/src/parser/error.rs

@@ -169,7 +169,7 @@ pub enum Pattern {
     #[error("I found an unexpected type name.")]
     #[diagnostic(help("Try removing it!"))]
     TypeIdent,
-    #[error("I found an unexpected indentifier.")]
+    #[error("I found an unexpected identifier.")]
     #[diagnostic(help("Try removing it!"))]
     TermIdent,
     #[error("I found an unexpected end of input.")]

crates/aiken-lang/src/tipo/environment.rs

@@ -427,12 +427,12 @@ impl<'a> Environment<'a> {
         match self
             .entity_usages
             .last_mut()
-            .expect("Attempted to access non-existant entity usages scope")
+            .expect("Attempted to access non-existent entity usages scope")
             .insert(name.to_string(), (kind, location, false))
         {
             // Private types can be shadowed by a constructor with the same name
             //
-            // TODO: Improve this so that we can tell if an imported overriden
+            // TODO: Improve this so that we can tell if an imported overridden
             // type is actually used or not by tracking whether usages apply to
             // the value or type scope
             Some((ImportedType | ImportedTypeAndConstructor | PrivateType, _, _)) => (),

crates/aiken-lang/src/tipo/expr.rs

@@ -1560,7 +1560,7 @@ impl<'a, 'b> ExprTyper<'a, 'b> {
             Some(tail) => {
                 let tail = self.infer(*tail)?;
 
-                // Ensure the tail has the same type as the preceeding elements
+                // Ensure the tail has the same type as the preceding elements
                 self.unify(tipo.clone(), tail.tipo(), location, false)?;
 
                 Some(Box::new(tail))

crates/aiken-lang/src/tipo/hydrator.rs

@@ -20,7 +20,7 @@ use super::{
 /// It keeps track of any type variables created. This is useful for:
 ///
 /// - Determining if a generic type variable should be made into an
-///   unbound type varable during type instantiation.
+///   unbound type variable during type instantiation.
 /// - Ensuring that the same type is constructed if the programmer
 ///   uses the same name for a type variable multiple times.
 ///
@@ -146,7 +146,7 @@ impl Hydrator {
                     .get_type_constructor(module, name, *location)?
                     .clone();
 
-                // Register the type constructor as being used if it is unqualifed.
+                // Register the type constructor as being used if it is unqualified.
                 // We do not track use of qualified type constructors as they may be
                 // used in another module.
                 if module.is_none() {

crates/aiken-project/src/blueprint/error.rs

@@ -37,7 +37,7 @@ pub enum Error {
     )]
     #[diagnostic(code("aiken::blueprint::address::parameterized"))]
     #[diagnostic(help(
-        "I can only compute addresses of validators that are fully applied. For example, a {keyword_spend} validator must have exactly 3 arguments: a datum, a redeemer and a context. If it has more, they need to be provided beforehand and applied directly in the validator. Applying parameters change the validator's compiled code, and thus the address.\n\nThis is why I need you to apply parmeters first.",
+        "I can only compute addresses of validators that are fully applied. For example, a {keyword_spend} validator must have exactly 3 arguments: a datum, a redeemer and a context. If it has more, they need to be provided beforehand and applied directly in the validator. Applying parameters change the validator's compiled code, and thus the address.\n\nThis is why I need you to apply parameters first.",
         keyword_spend = "spend".if_supports_color(Stdout, |s| s.purple())))]
     ParameterizedValidator { n: usize },
 }

crates/flat-rs/src/encode/encoder.rs

@@ -291,7 +291,7 @@ impl Encoder {
         }
     }
     /// Write out byte regardless of current buffer alignment.
-    /// Write most signifcant bits in remaining unused bits for the current byte,
+    /// Write most significant bits in remaining unused bits for the current byte,
     /// then write out the remaining bits at the beginning of the next byte.
     fn byte_unaligned(&mut self, x: u8) {
         let x_shift = self.current_byte | (x >> self.used_bits);

crates/uplc/src/machine.rs

@@ -362,7 +362,7 @@ impl Machine {
             let mut unspent_step_budget =
                 self.costs.machine_costs.get(StepKind::try_from(i as u8)?);
 
-            unspent_step_budget.occurences(self.unbudgeted_steps[i] as i64);
+            unspent_step_budget.occurrences(self.unbudgeted_steps[i] as i64);
 
             self.spend_budget(unspent_step_budget)?;
 

crates/uplc/src/machine/cost_model.rs

@@ -25,7 +25,7 @@ pub struct ExBudget {
 }
 
 impl ExBudget {
-    pub fn occurences(&mut self, n: i64) {
+    pub fn occurrences(&mut self, n: i64) {
         self.mem *= n;
         self.cpu *= n;
     }

crates/uplc/src/tx.rs

@@ -65,7 +65,7 @@ pub fn eval_phase_two(
                     &remaining_budget,
                 )?;
 
-                // The substraction is safe here as ex units counting is done during evaluation.
+                // The subtraction is safe here as ex units counting is done during evaluation.
                 // Redeemer would fail already if budget was negative.
                 remaining_budget.cpu -= redeemer.ex_units.steps as i64;
                 remaining_budget.mem -= redeemer.ex_units.mem as i64;

examples/acceptance_tests/035/lib/aiken/dict.ak

@@ -1,5 +1,5 @@
 /// An opaque `Dict`. The type is opaque because the module maintains some
-/// invariant, namely: there's only one occurence of a given key in the dictionnary.
+/// invariant, namely: there's only one occurrence of a given key in the dictionary.
 pub opaque type Dict<key, value> {
   inner: List<(ByteArray, value)>,
 }

examples/acceptance_tests/043/lib/tests.ak

@@ -1,7 +1,7 @@
-fn substract(x, y) {
+fn subtract(x, y) {
   x - y
 }
 
 test flip_1() {
-  flip(substract)(3, 2) == -1
+  flip(subtract)(3, 2) == -1
 }

examples/gift_card/islands/Oneshot.tsx

@@ -132,7 +132,7 @@ export default function App({ validators }: AppProps) {
 
       const success = await lucid!.awaitTx(txHash);
 
-      // Wait a little bit longer so ExhuastedUTxOError doesn't happen
+      // Wait a little bit longer so ExhaustedUTxOError doesn't happen
       // in the next Tx
       setTimeout(() => {
         setWaitingLockTx(false);

examples/gift_card/routes/index.tsx

@@ -1,7 +1,7 @@
 import { Head } from "$fresh/runtime.ts";
 import { Handlers, PageProps } from "$fresh/server.ts";
 
-import App from "~/islands/App.tsx";
+import Oneshot from "~/islands/Oneshot.tsx";
 
 import { readValidators, Validators } from "~/utils.ts";
 
@@ -43,7 +43,7 @@ export default function Home({ data }: PageProps<Data>) {
           </pre>
         </div>
 
-        <App validators={validators} />
+        <Oneshot validators={validators} />
       </div>
     </>
   );