➕ Add Arc Test Network Deployment (#267)

### 🕓 Changelog

Add Arc test network deployment (resolves #266):
- [Arc
Testnet](https://testnet.arcscan.app/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed).

#### Verification

Compare the `keccak256` hash of the runtime bytecode with the canonical
`keccak256` hash of the runtime bytecode
[here](https://github.com/pcaversaccio/createx#security-considerations)
(`0xbd8a7ea8cfca7b4e5f5041d7d4b17bc317c5ce42cfbc42066a00cf26b43eb53f`):

```console
~$ cast keccak $(cast code 0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed --rpc-url https://rpc.testnet.arc.network)
0xbd8a7ea8cfca7b4e5f5041d7d4b17bc317c5ce42cfbc42066a00cf26b43eb53f
```

---------

Signed-off-by: pcaversaccio <pascal.caversaccio@hotmail.ch>

Author: pcaversaccio

README.md

@@ -2363,6 +2363,7 @@ To verify a deployed [`CreateX`](./src/CreateX.sol) contract on a block explorer
 - [MemeCore Testnet (Insectarium)](https://insectarium.blockscout.memecore.com/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed)
 - [LightLink Testnet (Pegasus)](https://pegasus.lightlink.io/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed)
 - [XRPL EVM Testnet](https://explorer.testnet.xrplevm.org/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed)
+- [Arc Testnet](https://testnet.arcscan.app/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed)
 
 ## Integration With External Tooling
 

deployments/deployments.json

@@ -1328,5 +1328,13 @@
     "urls": [
       "https://explorer.testnet.xrplevm.org/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed"
     ]
+  },
+  {
+    "name": "Arc Testnet",
+    "chainId": 5042002,
+    "urls": [
+      "https://testnet.arcscan.app/address/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed",
+      "https://repo.sourcify.dev/5042002/0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed"
+    ]
   }
 ]

hardhat.config.ts

@@ -1213,6 +1213,11 @@ const config: HardhatUserConfig = {
       url: vars.get("XRPLEVM_MAINNET_URL", "https://rpc.xrplevm.org"),
       accounts,
     },
+    arcTestnet: {
+      chainId: 5042002,
+      url: vars.get("ARC_TESTNET_URL", "https://rpc.testnet.arc.network"),
+      accounts,
+    },
   },
   contractSizer: {
     alphaSort: true,
@@ -1515,6 +1520,8 @@ const config: HardhatUserConfig = {
       // For XRPL EVM testnet & mainnet
       xrplEVM: vars.get("XRPLEVM_API_KEY", ""),
       xrplEVMTestnet: vars.get("XRPLEVM_API_KEY", ""),
+      // For Arc testnet
+      arcTestnet: vars.get("ARC_API_KEY", ""),
     },
     customChains: [
       {
@@ -2851,6 +2858,14 @@ const config: HardhatUserConfig = {
           browserURL: "https://explorer.testnet.xrplevm.org",
         },
       },
+      {
+        network: "arcTestnet",
+        chainId: 5042002,
+        urls: {
+          apiURL: "https://testnet.arcscan.app/api",
+          browserURL: "https://testnet.arcscan.app",
+        },
+      },
     ],
   },
 };

package.json

@@ -237,6 +237,7 @@
     "deploy:lightlinkmain": "npx hardhat run --no-compile --network lightlinkMain scripts/deploy.ts",
     "deploy:xrplevmtestnet": "npx hardhat run --no-compile --network xrplEVMTestnet scripts/deploy.ts",
     "deploy:xrplevmmain": "npx hardhat run --no-compile --network xrplEVMMain scripts/deploy.ts",
+    "deploy:arctestnet": "npx hardhat run --no-compile --network arcTestnet scripts/deploy.ts",
     "prettier:check": "npx prettier -c \"**/*.{js,ts,md,sol,json,yml,yaml}\"",
     "prettier:check:interface": "pnpm -C interface prettier:check",
     "prettier:fix": "npx prettier -w \"**/*.{js,ts,md,sol,json,yml,yaml}\"",