🏘️ Simplify ens abi creation

waffle-ens/build-artifacts.mjs

@@ -0,0 +1,23 @@
+import {mkdir, stat, writeFile} from 'node:fs/promises';
+import {resolve} from 'node:path';
+import ens from '@ensdomains/ens';
+import resolver from '@ensdomains/resolver';
+
+const outputFolder = './src/abis/';
+const names = ['ENSRegistry', 'FIFSRegistrar', 'ReverseRegistrar', 'PublicResolver']
+
+try {
+  await stat(outputFolder);
+} catch (error) {
+  await mkdir(outputFolder, {recursive: true});
+}
+
+await writeContracts(ens);
+await writeContracts(resolver);
+
+async function writeContracts(contracts) {
+  for (const key in contracts) {
+    if(!names.includes(key)) continue;
+    await writeFile(resolve(outputFolder, `${key}.json`), JSON.stringify(contracts[key]));
+  }
+}

waffle-ens/package.json

@@ -37,7 +37,7 @@
     "build": "rimraf ./dist && pnpm build:artifacts && pnpm build:esm && pnpm build:cjs",
     "build:esm": "tsc -p tsconfig.build.json --outDir dist/esm --module ES6",
     "build:cjs": "tsc -p tsconfig.build.json --outDir dist/cjs",
-    "build:artifacts": "node build-artifacts.js"
+    "build:artifacts": "node build-artifacts.mjs"
   },
   "engines": {
     "node": ">=10.0"

waffle-ens/src/ENS.ts

@@ -1,22 +1,8 @@
-import * as contracts from './contracts.js';
+import {ReverseRegistrar, FIFSRegistrar, PublicResolver, ENSRegistry} from './contracts';
 import {constants, Contract, Signer, utils} from 'ethers';
 import {COIN_TYPE_ETH, deployContract, getDomainInfo} from './utils';
 import {ExpectedTopLevelDomain, MissingDomain} from './errors';
 
-const getContracts = () => {
-  const {ENSRegistry, FIFSRegistrar, ReverseRegistrar, PublicResolver} = contracts;
-  const result = {ENSRegistry, FIFSRegistrar, ReverseRegistrar, PublicResolver};
-  for (const key of Object.keys(result)) {
-    if (!contracts[key]) {
-      throw new Error(
-        `Contract ${key} is missing from ENS dependencies.` +
-        'Have you installed peer dependencies "@ensdomains/ens" and "@ensdomains/resolver"?'
-      );
-    }
-  }
-  return result;
-};
-
 const {namehash} = utils;
 const {HashZero} = constants;
 
@@ -25,7 +11,7 @@ interface DomainRegistrationOptions {
 }
 
 export async function createResolver(signer: Signer, ens: Contract) {
-  const resolver = await deployContract(signer, getContracts().PublicResolver, [ens.address]);
+  const resolver = await deployContract(signer, PublicResolver, [ens.address]);
   const resolverNode = namehash('resolver');
   const resolverLabel = utils.id('resolver');
   await ens.setSubnodeOwner(HashZero, resolverLabel, await signer.getAddress());
@@ -37,7 +23,7 @@ export async function createResolver(signer: Signer, ens: Contract) {
 export async function createReverseRegistrar(signer: Signer, ens: Contract, resolver: Contract) {
   const reverseRegistrar = await deployContract(
     signer,
-    getContracts().ReverseRegistrar,
+    ReverseRegistrar,
     [ens.address, resolver.address]
   );
   await ens.setSubnodeOwner(HashZero, utils.id('reverse'), await signer.getAddress());
@@ -46,7 +32,7 @@ export async function createReverseRegistrar(signer: Signer, ens: Contract, reso
 }
 
 export async function deployENS(signer: Signer) {
-  const ens = await deployContract(signer, getContracts().ENSRegistry, []);
+  const ens = await deployContract(signer, ENSRegistry, []);
   const resolver = await createResolver(signer, ens);
   const reverseRegistrar = await createReverseRegistrar(signer, ens, resolver);
   return new ENS(signer, ens, resolver, reverseRegistrar);
@@ -70,7 +56,7 @@ export class ENS {
     const node = namehash(domain);
     this.registrars = {
       ...this.registrars,
-      [domain]: await deployContract(this.signer, getContracts().FIFSRegistrar, [this.ens.address, node])
+      [domain]: await deployContract(this.signer, FIFSRegistrar, [this.ens.address, node])
     };
     await this.ens.setSubnodeOwner(HashZero, utils.id(domain), this.registrars[domain].address);
   }
@@ -81,7 +67,7 @@ export class ENS {
     await this.ens.setResolver(node, this.resolver.address);
     const registrar: Contract = await deployContract(
       this.signer,
-      getContracts().FIFSRegistrar,
+      FIFSRegistrar,
       [this.ens.address, node]
     );
     await this.ens.setOwner(node, registrar.address);

waffle-ens/src/contracts.ts

@@ -0,0 +1,6 @@
+import ENSRegistry from './abis/ENSRegistry.json';
+import FIFSRegistrar from './abis/FIFSRegistrar.json';
+import ReverseRegistrar from './abis/ReverseRegistrar.json';
+import PublicResolver from './abis/PublicResolver.json';
+
+export {ENSRegistry, FIFSRegistrar, ReverseRegistrar, PublicResolver};

waffle-ens/tsconfig.build.json

@@ -1,6 +1,7 @@
 {
   "extends": "./tsconfig.json",
   "include": [
-    "src"
+    "src",
+    "src/**/*.json"
   ]
 }