feat: default title escrow creator contracts (#75)

Co-authored-by: Raymond Yeh <ray@geek.sg>

Author: yehjxraymond

src/commands/deploy/deploy.types.ts

@@ -15,5 +15,5 @@ export interface DeployTitleEscrowCommand extends NetworkAndKeyOption, GasOption
   tokenRegistry: string;
   beneficiary: string;
   holder: string;
-  titleEscrowFactory: string;
+  titleEscrowFactory?: string;
 }

src/commands/deploy/title-escrow.ts

@@ -38,7 +38,6 @@ export const builder = (yargs: Argv): Argv =>
           alias: "c",
           description: "Address of title escrow creator/factory",
           normalize: true,
-          required: true,
         })
     )
   );

src/implementations/deploy/title-escrow/title-escrow.ts

@@ -8,6 +8,21 @@ import { validateAddress } from "../../utils/validation";
 
 const { trace } = getLogger("deploy:title-escrow");
 
+const CREATOR_CONTRACTS: { [network: string]: string } = {
+  mainnet: "0x907A4D491A09D59Bcb5dC38eeb9d121ac47237F1",
+  ropsten: "0xB0dE5E22bAc12820b6dbF6f63287B1ec44026c83",
+  rinkeby: "0xa51B8dAC076d5aC80507041146AC769542aAe195",
+};
+
+export const getDefaultEscrowFactory = (network: string): string => {
+  const address = CREATOR_CONTRACTS[network];
+  if (!address)
+    throw new Error(
+      "Title escrow creator not found on this network, please deploy one onto this network and specify the address with the -c flag"
+    );
+  return address;
+};
+
 export const deployTitleEscrow = async ({
   tokenRegistry,
   beneficiary,
@@ -19,16 +34,17 @@ export const deployTitleEscrow = async ({
   gasPriceScale,
   encryptedWalletPath,
 }: DeployTitleEscrowCommand): Promise<TransactionReceipt> => {
+  const titleEscrowFactoryAddress = titleEscrowFactory || getDefaultEscrowFactory(network);
   validateAddress(tokenRegistry);
   validateAddress(beneficiary);
   validateAddress(holder);
-  validateAddress(titleEscrowFactory);
+  validateAddress(titleEscrowFactoryAddress);
   const wallet = await getWallet({ key, keyFile, network, encryptedWalletPath });
   const gasPrice = await wallet.provider.getGasPrice();
 
   const factory = new TitleEscrowFactory(wallet);
   signale.await(`Sending transaction to pool`);
-  const transaction = await factory.deploy(tokenRegistry, beneficiary, holder, titleEscrowFactory, {
+  const transaction = await factory.deploy(tokenRegistry, beneficiary, holder, titleEscrowFactoryAddress, {
     gasPrice: gasPrice.mul(gasPriceScale),
   });
   trace(`Tx hash: ${transaction.deployTransaction.hash}`);