Start adjusting acceptance tests to the new Plutus V3 syntax.

examples/acceptance_tests/077/validators/spend.ak

@@ -1,8 +1,7 @@
-use aiken/dict
-use aiken/list.{find, foldr}
-use aiken/transaction.{Input,
-  OutputReference, ScriptContext, Spend, Transaction} as tx
-use aiken/transaction/value.{add, zero}
+use aiken/collection/dict
+use aiken/collection/list.{find, foldr}
+use cardano/transaction.{Input, OutputReference, Transaction} as tx
+use cardano/transaction/assets.{add, zero}
 
 type Action {
   Mint
@@ -10,14 +9,11 @@ type Action {
 }
 
 validator(token_name: ByteArray, utxo_ref: OutputReference) {
-  fn gift_card(rdmr: Action, ctx: ScriptContext) -> Bool {
-    let ScriptContext { transaction, purpose } = ctx
-    expect tx.Mint(policy_id) = purpose
+  mint(rdmr: Action, policy_id: PolicyId, transaction: Transaction) -> Bool {
     let Transaction { inputs, mint, .. } = transaction
     expect [Pair(asset_name, amount)] =
       mint
-        |> value.from_minted_value
-        |> value.tokens(policy_id)
+        |> assets.tokens(policy_id)
         |> dict.to_pairs()
     when rdmr is {
       Mint -> {

examples/acceptance_tests/077/validators/spend2.ak

@@ -1,15 +1,20 @@
-use aiken/list
-use aiken/transaction.{Output, ScriptContext}
+use aiken/collection/list
+use cardano/transaction.{Output, Transaction}
 
 validator {
-  fn backtrace(_datum: Void, _redeemer: Void, context: ScriptContext) -> Bool {
-    expect Some(_) = list.find(context.transaction.outputs, fn(_) { True })
-    let _ = find_stuff(context)
+  spend(
+    _datum: Void,
+    _redeemer: Void,
+    _ref: Data,
+    transaction: Transaction,
+  ) -> Bool {
+    expect Some(_) = list.find(transaction.outputs, fn(_) { True })
+    let _ = find_stuff(transaction)
     True
   }
 }
 
-fn find_stuff(context: ScriptContext) -> Output {
-  expect Some(stuff) = list.find(context.transaction.outputs, fn(_) { True })
+fn find_stuff(transaction: Transaction) -> Output {
+  expect Some(stuff) = list.find(transaction.outputs, fn(_) { True })
   stuff
 }