feat: return commands

Author: RishabhS7

src/commands/title-escrow/accept-returned.ts

@@ -0,0 +1,225 @@
+import { input } from '@inquirer/prompts';
+import { error, success, info } from 'signale';
+import signale from 'signale';
+import { TransactionReceipt } from 'ethers';
+import { v5Contracts, CHAIN_ID, acceptReturned as acceptReturnedImpl } from '@trustvc/trustvc';
+import { BaseTitleEscrowCommand as TitleEscrowReturnDocumentCommand } from '../../types';
+import {
+  displayTransactionPrice,
+  getErrorMessage,
+  getEtherscanAddress,
+  NetworkCmdName,
+  promptRemarkAndEncryptionKey,
+  promptNetworkSelection,
+  promptWalletSelection,
+  TransactionReceiptFees,
+  getSupportedNetwork,
+  getWalletOrSigner,
+  dryRunMode,
+  canEstimateGasPrice,
+  getGasFees,
+} from '../../utils';
+import { validateAndEncryptRemark } from '../helpers';
+
+const { TradeTrustToken__factory } = v5Contracts;
+
+export const command = 'accept-returned';
+
+export const describe = 'Accepts a returned transferable record on the blockchain';
+
+export const handler = async (): Promise<string | undefined> => {
+  try {
+    const answers = await promptForInputs();
+    if (!answers) return;
+
+    await acceptReturnedDocumentHandler(answers);
+  } catch (err: unknown) {
+    error(err instanceof Error ? err.message : String(err));
+  }
+};
+
+// Prompt user for all required inputs
+export const promptForInputs = async (): Promise<TitleEscrowReturnDocumentCommand> => {
+  // Network selection
+  const network = await promptNetworkSelection();
+
+  // Token Registry Address
+  const tokenRegistry = await input({
+    message: 'Enter the token registry contract address:',
+    required: true,
+    validate: (value: string) => {
+      if (!value || value.trim() === '') {
+        return 'Token registry address is required';
+      }
+      if (!/^0x[a-fA-F0-9]{40}$/.test(value)) {
+        return 'Invalid Ethereum address format';
+      }
+      return true;
+    },
+  });
+
+  // Token ID (Document Hash)
+  const tokenId = await input({
+    message: 'Enter the document hash (tokenId) that was returned:',
+    required: true,
+    validate: (value: string) => {
+      if (!value || value.trim() === '') {
+        return 'Token ID is required';
+      }
+      return true;
+    },
+  });
+
+  // Wallet selection
+  const { encryptedWalletPath, key, keyFile } = await promptWalletSelection();
+
+  // Optional: Remark and Encryption Key
+  const { remark, encryptionKey } = await promptRemarkAndEncryptionKey();
+
+  // Build the result object with proper typing
+  const baseResult = {
+    network,
+    tokenRegistryAddress: tokenRegistry,
+    tokenId,
+    remark,
+    encryptionKey,
+    dryRun: false,
+    maxPriorityFeePerGasScale: 1,
+  };
+
+  // Add wallet-specific properties based on selected wallet type
+  if (encryptedWalletPath) {
+    return {
+      ...baseResult,
+      encryptedWalletPath,
+    } as TitleEscrowReturnDocumentCommand;
+  } else if (keyFile) {
+    return {
+      ...baseResult,
+      keyFile,
+    } as TitleEscrowReturnDocumentCommand;
+  } else if (key) {
+    return {
+      ...baseResult,
+      key,
+    } as TitleEscrowReturnDocumentCommand;
+  }
+
+  // For environment variable case (when all wallet options are undefined)
+  return baseResult as TitleEscrowReturnDocumentCommand;
+};
+
+// Accept the returned document with the provided inputs
+export const acceptReturnedDocumentHandler = async (args: TitleEscrowReturnDocumentCommand) => {
+  try {
+    info(`Accepting returned document with hash ${args.tokenId}`);
+
+    const transaction = await acceptReturned(args);
+
+    const network = args.network as NetworkCmdName;
+    displayTransactionPrice(transaction as unknown as TransactionReceiptFees, network);
+    const { hash: transactionHash } = transaction;
+
+    success(`Returned transferable record with hash ${args.tokenId} has been accepted.`);
+    info(
+      `Find more details at ${getEtherscanAddress({ network: args.network })}/tx/${transactionHash}`,
+    );
+
+    return args.tokenRegistryAddress;
+  } catch (e) {
+    error(getErrorMessage(e));
+  }
+};
+
+/**
+ * Accepts a returned transferable record (title escrow document) and burns the token.
+ * This operation is performed by the issuer after a document has been returned to them.
+ *
+ * @param tokenRegistryAddress - The address of the token registry contract
+ * @param tokenId - The unique identifier of the token to accept and burn
+ * @param remark - Optional remark/comment to attach to the transaction
+ * @param encryptionKey - Optional encryption key for encrypting the remark
+ * @param network - The blockchain network to execute the transaction on
+ * @param dryRun - If true, simulates the transaction without executing it
+ * @param rest - Additional parameters (e.g., wallet configuration, gas settings)
+ * @returns Promise resolving to the transaction receipt
+ * @throws Error if provider is required but not available, or if transaction receipt is null
+ */
+export const acceptReturned = async ({
+  tokenRegistryAddress,
+  tokenId,
+  remark,
+  encryptionKey,
+  network,
+  dryRun,
+  ...rest
+}: TitleEscrowReturnDocumentCommand): Promise<TransactionReceipt> => {
+  // Initialize wallet/signer for the transaction
+  const wallet = await getWalletOrSigner({ network, ...rest });
+
+  // Get the network ID for the specified network
+  const networkId = getSupportedNetwork(network).networkId;
+
+  // Validate and encrypt the remark if encryption key is provided
+  const encryptedRemark = validateAndEncryptRemark(remark, encryptionKey);
+  // Connect to the token registry contract instance
+  const tokenRegistryInstance = await TradeTrustToken__factory.connect(
+    tokenRegistryAddress,
+    wallet,
+  );
+  // Dry run mode: estimate gas and exit without executing the transaction
+  if (dryRun) {
+    await dryRunMode({
+      estimatedGas: await tokenRegistryInstance.estimateGas.burn(tokenId, encryptedRemark),
+      network,
+    });
+    process.exit(0);
+  }
+  let transaction;
+
+  // Execute transaction with appropriate gas settings based on network capabilities
+  if (canEstimateGasPrice(network)) {
+    // Ensure provider is available for gas estimation
+    if (!wallet.provider) {
+      throw new Error('Provider is required for gas estimation');
+    }
+
+    // Get current gas fees from the network
+    const gasFees = await getGasFees({ provider: wallet.provider, ...rest });
+
+    // Execute accept returned with EIP-1559 gas parameters
+    transaction = await acceptReturnedImpl(
+      { tokenRegistryAddress },
+      wallet,
+      { tokenId, remarks: remark },
+      {
+        chainId: networkId as unknown as CHAIN_ID,
+        maxFeePerGas: gasFees.maxFeePerGas?.toString(),
+        maxPriorityFeePerGas: gasFees.maxPriorityFeePerGas?.toString(),
+        id: encryptionKey,
+      },
+    );
+  } else {
+    // Execute accept returned without gas estimation (for networks that don't support it)
+    transaction = await acceptReturnedImpl(
+      { tokenRegistryAddress },
+      wallet,
+      { tokenId, remarks: remark },
+      {
+        chainId: networkId as unknown as CHAIN_ID,
+        id: encryptionKey,
+      },
+    );
+  }
+
+  // Wait for transaction to be mined
+  signale.await(`Waiting for transaction ${transaction.hash} to be mined`);
+  const receipt = await transaction.wait();
+
+  // Validate receipt exists
+  if (!receipt) {
+    throw new Error('Transaction receipt is null');
+  }
+
+  return receipt as unknown as TransactionReceipt;
+};