Derive the programID from programs module

src/fragments/instructionFunction.ts

@@ -15,6 +15,14 @@ export function getInstructionFunctionFragment(
     const instructionNode = getLastNodeFromPath(instructionPath);
     const programNode = findProgramNodeFromPath(instructionPath)!;
 
+    const rootNode = instructionPath.find(node => node.kind === 'rootNode');
+    let rootProgramClassName: string;
+    if (rootNode) {
+        rootProgramClassName = `${nameApi.programType(rootNode.program.name)}.programId`;
+    } else {
+        rootProgramClassName = `'${programNode.publicKey}'`;
+    }
+
     const functionName = nameApi.instructionFunction(instructionNode.name);
     const instructionDataName = nameApi.instructionDataType(instructionNode.name);
 
@@ -107,7 +115,7 @@ export function getInstructionFunctionFragment(
 
                     pdaResolutions.push(
                         `  final resolved${accountName.charAt(0).toUpperCase() + accountName.slice(1)} = ${accountName} ?? ` +
-                            `await Ed25519HDPublicKey.findProgramAddress(\n    seeds: [${seeds.join(', ')}],\n    programId: programId ?? Ed25519HDPublicKey.fromBase58('${programNode.publicKey ?? 'PROGRAM_ID_HERE'}'),\n  );`,
+                            `await Ed25519HDPublicKey.findProgramAddress(\n    seeds: [${seeds.join(', ')}],\n    programId: programId ?? Ed25519HDPublicKey.fromBase58(${rootProgramClassName}),\n  );`,
                     );
                 }
             } else if (builtinAddress) {
@@ -195,7 +203,7 @@ export function getInstructionFunctionFragment(
 
     const functionBody = `${pdaResolutionCode}${accountMetas}${dataSerializationCode}
   return Instruction(
-    programId: programId ?? Ed25519HDPublicKey.fromBase58('${programNode.publicKey ?? 'PROGRAM_ID_HERE'}'),
+    programId: programId ?? Ed25519HDPublicKey.fromBase58(${rootProgramClassName}),
     accounts: accounts,
     data: instructionData,
   );`;
@@ -210,6 +218,9 @@ ${functionBody}
 }`;
 
     const imports = new Set(['package:solana/solana.dart']);
+    if (rootNode) {
+        imports.add(`../programs/${rootNode.program.name}.dart`);
+    }
 
     return createFragment(content, Array.from(imports));
 }

src/utils/pda.ts

@@ -1,4 +1,4 @@
-import { isNode, PdaNode, PdaSeedValueNode, StandaloneValueNode } from '@codama/nodes';
+import { CamelCaseString, isNode, PdaNode, PdaSeedValueNode, StandaloneValueNode } from '@codama/nodes';
 
 import { Fragment } from './fragment';
 import { RenderScope } from './options';
@@ -56,6 +56,7 @@ export function createInlinePdaFile(
     pdaSeedValues: PdaSeedValueNode[] | undefined,
     nameApi: RenderScope['nameApi'],
     programPublicKey: string | undefined,
+    programName: string | undefined,
     asPage: <TFragment extends Fragment | undefined>(
         fragment: TFragment,
         pageOptions?: { libraryName?: string },
@@ -65,6 +66,11 @@ export function createInlinePdaFile(
     const seeds = generatePdaSeeds(pdaNode, pdaSeedValues, nameApi);
 
     const parameters: string[] = [];
+    let programClassName: string = '';
+    if (programName) {
+        programClassName = nameApi.programType(programName as CamelCaseString);
+    }
+
 
     pdaNode.seeds.forEach(seed => {
         if (isNode(seed, 'variablePdaSeedNode')) {
@@ -78,9 +84,12 @@ export function createInlinePdaFile(
     });
 
     const parameterList = parameters.length > 0 ? parameters.join(', ') : '';
-    const programIdValue = programPublicKey
-        ? `Ed25519HDPublicKey.fromBase58('${programPublicKey}')`
-        : 'PROGRAM_ID_HERE';
+    const programIdValue =
+        programClassName && programClassName !== ''
+            ? `Ed25519HDPublicKey.fromBase58(${programClassName}.programId)`
+            : programPublicKey
+            ? `Ed25519HDPublicKey.fromBase58('${programPublicKey}')`
+            : 'PROGRAM_ID_HERE';
 
     const content = `/// Returns the PDA address for ${accountName}
 Future<Ed25519HDPublicKey> ${functionName}(${parameterList}) async {
@@ -91,6 +100,9 @@ Future<Ed25519HDPublicKey> ${functionName}(${parameterList}) async {
 }`;
 
     const imports = new Set(['package:solana/solana.dart', 'dart:typed_data']);
+    if (programClassName) {
+        imports.add(`../programs/${programName}.dart`);
+    }
 
     const fragment: Fragment = {
         content,

src/visitors/getRenderMapVisitor.ts

@@ -107,6 +107,7 @@ export function getRenderMapVisitor(options: GetRenderMapOptions) {
                         }
 
                         const pdaName = camelCase(account.name);
+                        const programNode = findProgramNodeFromPath(stack.getPath('instructionNode'));
 
                         // Avoid duplicate PDA files for the same account name
                         if (!pdaRenderMaps.has(pdaName)) {
@@ -115,7 +116,8 @@ export function getRenderMapVisitor(options: GetRenderMapOptions) {
                                 account.defaultValue.pda,
                                 account.defaultValue.seeds,
                                 renderScope.nameApi,
-                                findProgramNodeFromPath(stack.getPath('instructionNode'))?.publicKey,
+                                programNode?.publicKey,
+                                programNode?.name,
                                 asPage,
                             );
                             if (pdaFile) {