fix: render PDA helper with programAddress = node.programId if defined (#52)

Author: lithdew

.changeset/polite-cats-wash.md

@@ -0,0 +1,5 @@
+---
+'@kinobi-so/renderers-js': patch
+---
+
+Fix rendering PDA helper functions with a default programId.

packages/renderers-js/public/templates/fragments/pdaFunction.njk

@@ -17,7 +17,7 @@ export async function {{ findPdaFunction }}(
   {% endif %}
   config: { programAddress?: Address | undefined } = {},
 ): Promise<ProgramDerivedAddress> {
-  const { programAddress = '{{ program.publicKey }}' as Address<'{{ program.publicKey }}'> } = config;
+  const { programAddress = '{{ programAddress }}' as Address<'{{ programAddress }}'> } = config;
   return await getProgramDerivedAddress({ programAddress, seeds: [
     {% for seed in seeds %}
       {% if seed.kind === 'constantPdaSeedNode' and seed.value.kind === 'programIdValueNode' %}

packages/renderers-js/src/fragments/pdaFunction.ts

@@ -37,7 +37,7 @@ export function getPdaFunctionFragment(
         findPdaFunction: nameApi.pdaFindFunction(pdaNode.name),
         hasVariableSeeds,
         pdaSeedsType: nameApi.pdaSeedsType(pdaNode.name),
-        program: programNode,
+        programAddress: pdaNode.programId ?? programNode.publicKey,
         seeds,
     })
         .mergeImportsWith(imports)

packages/renderers-js/test/pdasPage.test.ts

@@ -41,6 +41,30 @@ test('it renders a PDA helper function and its input type', async () => {
     ]);
 });
 
+test('it renders a PDA helper function with a default program address', async () => {
+    // Given the following PDA node with a default program address.
+    const node = programNode({
+        name: 'myProgram',
+        pdas: [
+            pdaNode({
+                name: 'foo',
+                programId: 'myProgramId',
+                seeds: [constantPdaSeedNodeFromString('utf8', 'myPrefix')],
+            }),
+        ],
+        publicKey: '1111',
+    });
+
+    // When we render it.
+    const renderMap = visit(node, getRenderMapVisitor());
+
+    // Then we expect the following PDA function using the programId as the default program address.
+    await renderMapContains(renderMap, 'pdas/foo.ts', [
+        'export async function findFooPda',
+        "const { programAddress = 'myProgramId' as Address<'myProgramId'> } = config;",
+    ]);
+});
+
 test('it renders an empty array of seeds for seedless PDAs', async () => {
     // Given the following program with 1 account and 1 pda with empty seeds.
     const node = programNode({