config and dynamic generation of contracts

chain-api/hardhat.config.ts

@@ -14,6 +14,7 @@ const config = {
   paths: {
     sources: './src/hardhat/contracts',
     // tests: './src/hardhat/test',
+    ignition: './src/hardhat/ignition',
     cache: './src/hardhat/cache',
     artifacts: './src/hardhat/artifacts',
   },

chain-api/package-lock.json

@@ -11,6 +11,7 @@
       "dependencies": {
         "@chainlink/contracts": "^1.1.0",
         "@nestjs/common": "^10.0.0",
+        "@nestjs/config": "^3.2.2",
         "@nestjs/core": "^10.0.0",
         "@nestjs/mapped-types": "*",
         "@nestjs/platform-express": "^10.0.0",
@@ -3595,6 +3596,33 @@
         }
       }
     },
+    "node_modules/@nestjs/config": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/@nestjs/config/-/config-3.2.2.tgz",
+      "integrity": "sha512-vGICPOui5vE6kPz1iwQ7oCnp3qWgqxldPmBQ9onkVoKlBtyc83KJCr7CjuVtf4OdovMAVcux1d8Q6jglU2ZphA==",
+      "dependencies": {
+        "dotenv": "16.4.5",
+        "dotenv-expand": "10.0.0",
+        "lodash": "4.17.21",
+        "uuid": "9.0.1"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^8.0.0 || ^9.0.0 || ^10.0.0",
+        "rxjs": "^7.1.0"
+      }
+    },
+    "node_modules/@nestjs/config/node_modules/uuid": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.1.tgz",
+      "integrity": "sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@nestjs/core": {
       "version": "10.3.8",
       "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-10.3.8.tgz",
@@ -7537,6 +7565,14 @@
         "url": "https://dotenvx.com"
       }
     },
+    "node_modules/dotenv-expand": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/dotenv-expand/-/dotenv-expand-10.0.0.tgz",
+      "integrity": "sha512-GopVGCpVS1UKH75VKHGuQFqS1Gusej0z4FyQkPdwjil2gNIv+LNsqBlboOzpJFZKVT95GkCyWJbBSdFEFUWI2A==",
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/eastasianwidth": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",

chain-api/package.json

@@ -22,6 +22,7 @@
   "dependencies": {
     "@chainlink/contracts": "^1.1.0",
     "@nestjs/common": "^10.0.0",
+    "@nestjs/config": "^3.2.2",
     "@nestjs/core": "^10.0.0",
     "@nestjs/mapped-types": "*",
     "@nestjs/platform-express": "^10.0.0",

chain-api/src/app.module.ts

@@ -3,9 +3,16 @@ import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { ContractFactoryModule } from './contract-factory/contract-factory.module';
 import { ContractInteractModule } from './contract-interact/contract-interact.module';
+import { ConfigModule } from '@nestjs/config';
 
 @Module({
-  imports: [ContractFactoryModule, ContractInteractModule],
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+    }),
+    ContractFactoryModule,
+    ContractInteractModule,
+  ],
   controllers: [AppController],
   providers: [AppService],
 })

chain-api/src/hardhat/contracts/Salaries.sol

@@ -1,25 +1,17 @@
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.7;
 
-import {AggregatorV3Interface} from "@chainlink/contracts/src/v0.8/shared/interfaces/AggregatorV3Interface.sol";
+import {AggregatorV3Interface} from '@chainlink/contracts/src/v0.8/shared/interfaces/AggregatorV3Interface.sol';
 
 contract Salaries {
     AggregatorV3Interface internal dataFeed;
 
-    /**
-     * Network: Sepolia
-     * Aggregator: BTC/USD
-     * Address: 0x1b44F3514812d835EB1BDB0acB33d3fA3351Ee43
-     */
     constructor() {
         dataFeed = AggregatorV3Interface(
             0xF0d50568e3A7e8259E16663972b11910F89BD8e7
         );
     }
 
-    /**
-     * Returns the latest answer.
-     */
     function getChainlinkDataFeedLatestAnswer() public view returns (int) {
         // prettier-ignore
         (

chain-api/src/hardhat/module/hardhat.service.ts

@@ -1,28 +1,39 @@
-const hre = require('hardhat');
-// import hre from 'hardhat';
+// const hre = require('hardhat');
+import * as hre from 'hardhat';
 import { Injectable } from '@nestjs/common';
-
+import { ethers } from 'ethers';
+import { ConfigService } from '@nestjs/config';
 @Injectable()
 export class HardhatService {
+  constructor(private readonly configService: ConfigService) {}
   async deploySalaryContract() {
-    // const { salaryAmount, userAddress } = req.body;
+    const provider = new ethers.JsonRpcProvider(
+      'https://polygon-amoy.g.alchemy.com/v2/pEtFFy_Qr_NrM1vMnlzSXmYXkozVNzLy',
+      80002,
+    );
 
-    // // Read the Solidity contract template file
-    // const solidityCode = readSolidityTemplate(); // Implement this function to read the Solidity template file
+    const salary = await hre.artifacts.readArtifact('Salaries');
+    const abi = salary.abi;
+    console.log('🚀 ~ HardhatService ~ deploySalaryContract ~ abi:', abi);
+    const bytecode = salary.deployedBytecode;
+    console.log(
+      '🚀 ~ HardhatService ~ deploySalaryContract ~ bytecode:',
+      bytecode,
+    );
+    const signer = new ethers.Wallet(
+      this.configService.getOrThrow('POLYGON_PK'),
+      provider,
+    );
 
-    // // Replace placeholders in the Solidity contract template with provided values
-    // const finalSolidityCode = replacePlaceholders(solidityCode, {
-    //   salaryAmount,
-    //   userAddress,
-    // });
+    const salaryContract = new ethers.ContractFactory(
+      abi,
+      salary.bytecode,
+      signer,
+    );
 
-    // // Compile the Solidity contract
-    // const compiledContract = await compileSolidity(finalSolidityCode);
+    const myContract = await salaryContract.deploy();
+    await myContract.waitForDeployment();
 
-    // // Deploy the contract
-    // const deployedContract = await deployContract(compiledContract);
-    const salaryC = await hre.ethers.getContractFactory('Salaries');
-    const myContract = await salaryC.deploy();
     console.log(
       '🚀 ~ HardhatService ~ deploySalaryContract ~ myContract:',
       myContract,

chain-api/tsconfig.json

@@ -16,6 +16,8 @@
     "noImplicitAny": false,
     "strictBindCallApply": false,
     "forceConsistentCasingInFileNames": false,
-    "noFallthroughCasesInSwitch": false
-  }
+    "noFallthroughCasesInSwitch": false,
+    "resolveJsonModule": true
+  },
+  "include": ["src/**/*", "src/**/*.json"]
 }