init

dmtp/client/lib/contracts.ts

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+import { ethers } from 'ethers';
+import { getCUSDAddress, getCurrentNetwork } from './celo';
+
+// Simplified cUSD ABI (ERC20)
+export const CUSD_ABI = [
+  'function balanceOf(address) view returns (uint256)',
+  'function decimals() view returns (uint8)',
+  'function approve(address spender, uint256 amount) returns (bool)',
+  'function allowance(address owner, address spender) view returns (uint256)',
+  'function transfer(address to, uint256 amount) returns (bool)',
+];
+
+// TaskEscrow contract ABI
+export const TASK_ESCROW_ABI = [
+  'function createTask(uint256 paymentAmount, uint256 durationInDays) returns (uint256)',
+  'function approveSubmission(uint256 taskId)',
+  'function rejectSubmission(uint256 taskId)',
+  'function getTask(uint256 taskId) view returns (tuple(uint256 taskId, address requester, address worker, uint256 paymentAmount, uint8 status, uint256 createdAt, uint256 expiresAt))',
+  'function taskCounter() view returns (uint256)',
+  'event TaskCreated(uint256 indexed taskId, address indexed requester, uint256 paymentAmount, uint256 expiresAt)',
+  'event PaymentReleased(uint256 indexed taskId, address indexed worker, uint256 workerAmount, uint256 platformFee)',
+];
+
+/**
+ * Get cUSD contract instance
+ */
+export function getCUSDContract(signerOrProvider: ethers.Signer | ethers.Provider) {
+  return new ethers.Contract(getCUSDAddress(), CUSD_ABI, signerOrProvider);
+}
+
+/**
+ * Get TaskEscrow contract instance
+ */
+export function getTaskEscrowContract(signerOrProvider: ethers.Signer | ethers.Provider) {
+  const contractAddress = process.env.NEXT_PUBLIC_CONTRACT_ADDRESS;
+  
+  if (!contractAddress) {
+    throw new Error('Contract address not configured');
+  }
+  
+  return new ethers.Contract(contractAddress, TASK_ESCROW_ABI, signerOrProvider);
+}
+
+/**
+ * Get provider
+ */
+export function getProvider(): ethers.JsonRpcProvider {
+  return new ethers.JsonRpcProvider(getCurrentNetwork().rpcUrl);
+}