Bytes library and CAIP2/CAIP10 helpers (#5252)

Co-authored-by: cairo <cairoeth@protonmail.com>
Co-authored-by: Ernesto García <ernestognw@gmail.com>
Co-authored-by: Arr00 <13561405+arr00@users.noreply.github.com>

test/utils/CAIP.test.js

@@ -0,0 +1,53 @@
+const { ethers } = require('hardhat');
+const { expect } = require('chai');
+const { loadFixture } = require('@nomicfoundation/hardhat-network-helpers');
+
+const { CHAINS, getLocalCAIP } = require('../helpers/chains');
+
+async function fixture() {
+  const caip2 = await ethers.deployContract('$CAIP2');
+  const caip10 = await ethers.deployContract('$CAIP10');
+  return { caip2, caip10 };
+}
+
+describe('CAIP utilities', function () {
+  beforeEach(async function () {
+    Object.assign(this, await loadFixture(fixture));
+  });
+
+  describe('CAIP-2', function () {
+    it('local()', async function () {
+      const { caip2 } = await getLocalCAIP();
+      expect(await this.caip2.$local()).to.equal(caip2);
+    });
+
+    for (const { namespace, reference, caip2 } of Object.values(CHAINS))
+      it(`format(${namespace}, ${reference})`, async function () {
+        expect(await this.caip2.$format(namespace, reference)).to.equal(caip2);
+      });
+
+    for (const { namespace, reference, caip2 } of Object.values(CHAINS))
+      it(`parse(${caip2})`, async function () {
+        expect(await this.caip2.$parse(caip2)).to.deep.equal([namespace, reference]);
+      });
+  });
+
+  describe('CAIP-10', function () {
+    const { address: account } = ethers.Wallet.createRandom();
+
+    it(`local(${account})`, async function () {
+      const { caip10 } = await getLocalCAIP(account);
+      expect(await this.caip10.$local(ethers.Typed.address(account))).to.equal(caip10);
+    });
+
+    for (const { account, caip2, caip10 } of Object.values(CHAINS))
+      it(`format(${caip2}, ${account})`, async function () {
+        expect(await this.caip10.$format(ethers.Typed.string(caip2), ethers.Typed.string(account))).to.equal(caip10);
+      });
+
+    for (const { account, caip2, caip10 } of Object.values(CHAINS))
+      it(`parse(${caip10})`, async function () {
+        expect(await this.caip10.$parse(caip10)).to.deep.equal([caip2, account]);
+      });
+  });
+});