Testnet Information

Everything you need to know to access the Stable internal testnet.

Contents

1. Network Details
2. RPC Information
3. Chain Information
4. Additional Information
5. Contract Verification Guide

Network Details

Configuration	Value
Network Name	Stable Testnet
JSON-RPC URL	https://stable-jsonrpc.testnet.chain0.dev
Chain ID	2201
Currency Symbol	USDT
Block Explorer	https://stable-explorer.testnet.chain0.dev
Faucet	https://demo.testnet.chain0.dev/faucet

RPC Information

Node	EVM JSON-RPC Endpoint	Stable REST-API Endpoint	StableBFT RPC Endpoint	StableBFT WebSocket Endpoint
RPC0	https://stable-jsonrpc.testnet.chain0.dev	https://stable-api.testnet.chain0.dev	https://stable-rpc.testnet.chain0.dev	https://stable-ws.testnet.chain0.dev
RPC1	https://stable-jsonrpc-ar.testnet.chain0.dev	https://stable-api-ar.testnet.chain0.dev	https://stable-rpc-ar.testnet.chain0.dev	https://stable-ws-ar.testnet.chain0.dev

Chain Information

Parameter	Value
Chain-ID (Stable)	stabletestnet_2201-1
Chain-ID (EVM)	2201

Additional Information

Parameter	Value
Block Time	~0.7sec
Timeout Commit	650ms

Contract Verification Guide

Solidity (Foundry)

forge verify-contract \
  --rpc-url 'https://stable-jsonrpc.testnet.chain0.dev' \
  --verifier blockscout \
  --verifier-url 'https://stable-explorer.testnet.chain0.dev/api/' \
  [contractAddress] \
  [contractFile]:[contractName]

Solidity (Hardhat)

hardhat.config.ts

import "@nomicfoundation/hardhat-toolbox";

export default {
    solidity: "0.8.28",

    networks: {
        stable: {
            url: "https://stable-jsonrpc.testnet.chain0.dev",
            accounts:[""]
        },
    },
    etherscan: {
        apiKey: "",
        customChains: [
            {
                network: "stable",
                chainId: 2201,
                urls: {
                    apiURL: "https://stable-explorer.testnet.chain0.dev/api",
                    browserURL: "https://stable-explorer.testnet.chain0.dev",
                },
            },
        ],
    }
};

command

npx hardhat verify \
  --network stable \
  [contractAddress] \
  [...constructorArgs]