Merge pull request #26 from peeramid-labs/add-viem-abi-export

added viem compatible abi export during compilation

.changeset/rare-sheep-marry.md

@@ -0,0 +1,5 @@
+---
+'@peeramid-labs/multipass': patch
+---
+
+added viem compatible abi export during compilation

hardhat.config.ts

@@ -1,5 +1,9 @@
 import 'solidity-coverage';
-import { task } from 'hardhat/config';
+import { task, subtask } from 'hardhat/config';
+import { TASK_COMPILE_SOLIDITY_EMIT_ARTIFACTS } from 'hardhat/builtin-tasks/task-names';
+import { join } from 'path';
+import { writeFile, mkdir } from 'fs/promises';
+import { inspect } from 'util';
 import '@nomicfoundation/hardhat-chai-matchers';
 import '@nomicfoundation/hardhat-toolbox';
 import 'hardhat-abi-exporter';
@@ -9,6 +13,26 @@ import 'hardhat-deploy';
 import 'solidity-docgen';
 import './playbook';
 
+type ContractMap = Record<string, { abi: object }>;
+
+subtask(TASK_COMPILE_SOLIDITY_EMIT_ARTIFACTS).setAction(async (args, env, next) => {
+  const output = await next();
+  const promises = Object.entries(args.output.contracts).map(async ([sourceName, contract]) => {
+    // Extract the contract name from the full path
+    const contractName = sourceName.split('/').pop()?.replace('.sol', '') || '';
+    const dirPath = join('./abi', sourceName);
+    await mkdir(dirPath, { recursive: true });
+    const file = join(dirPath, `${contractName}.ts`);
+    const { abi } = Object.values(contract as ContractMap)[0];
+    if (JSON.stringify(abi).length > 2) {
+      const data = `export const abi = ${inspect(abi, false, null)} as const; export default abi;`;
+      await writeFile(file, data);
+    }
+  });
+  await Promise.all(promises);
+  return output;
+});
+
 task('accounts', 'Prints the list of accounts', async (taskArgs, hre) => {
   const accounts = await hre.ethers.getSigners();
 
@@ -49,7 +73,7 @@ export default {
     },
     defaultPlayer: {
       localhost: '0xF52E5dF676f51E410c456CC34360cA6F27959420',
-    }
+    },
   },
   defaultNetwork: 'hardhat',
   networks: {