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Network Information

Use the following configuration to connect to Mersennet testnet.

Testnet Configuration​

ParameterValue
Chain ID7919
Network NameMersennet Testnet
RPC URLhttp://46.225.30.187:8545
WebSocket URLws://46.225.30.187:8546
Block Explorerhttp://46.225.30.187
Faucethttp://46.225.30.187:4003
Currency SymbolPRIM
Block Time~1 second
tip

The WebSocket endpoint may not be enabled on all nodes. If subscriptions fail, use HTTP RPC for polling.

Add Mersennet to MetaMask​

Or run this code in your browser console (with MetaMask installed):

await window.ethereum.request({
  method: 'wallet_addEthereumChain',
  params: [{
    chainId: '0x1EEF', // 7919 in hex
    chainName: 'Mersennet Testnet',
    nativeCurrency: {
      name: 'PRIM',
      symbol: 'PRIM',
      decimals: 18
    },
    rpcUrls: ['http://46.225.30.187:8545'],
    blockExplorerUrls: ['http://46.225.30.187']
  }]
});
note

Chain ID 7919 in decimal equals 0x1EEF in hexadecimal.

Deployed Contract Addresses​

The following contracts are deployed on Mersennet testnet and ready for integration:

ContractAddress
Multicall30x973ee1bf0907287d1eb8a144d88b34f515c83f29
WPRIM0x079bf1207b51acda83e2e8178344f62a883f8479
MockUSDC0xb22f77d89122e9e3784bfd3eee9616273f38238d
MockUSDT0x877feca38919acd7aaf7cb81f100e0454aa95c17
MockDAI0xb88d63a65691effbf4b6808325b1588912c15cf4
PrimeSwapFactory0x63f7a64db6d2b965189b8b48b7435668021f6b17
PrimeSwapRouter0x9f337f433e71ce969b991511f1dcd3d0622116bb

Usage Notes​

  • Multicall3 — Use for batched RPC reads (wagmi, viem, and ethers.js support it).
  • WPRIM — ERC-20 wrapped PRIM for DEX pairs and DeFi protocols.
  • MockUSDC, MockUSDT, MockDAI — Test stablecoins for DeFi development.
  • PrimeSwapFactory & Router — Uniswap V2–style AMM for token swaps.

Ecosystem Applications​

The following applications are live on Mersennet testnet:

ApplicationURLDescription
PrimeScan Explorerhttp://46.225.30.187Block explorer, transaction search, contract info
PrimeSwap DEXhttp://46.225.30.187:4000Swap tokens, add/remove liquidity
PrimeNodes Dashboardhttp://46.225.30.187:4001Validator monitoring, stake distribution
PrimeTradehttp://46.225.30.187:4004Order book trading terminal (native CLOB)
Testnet Faucethttp://46.225.30.187:4003Get testnet PRIM tokens
Documentationhttp://46.225.30.187:3001Developer and user documentation
Grafana Monitoringhttp://46.225.30.187:3000Network metrics and dashboards
Prometheushttp://46.225.30.187:9090Metrics collection and alerting queries
Alertmanagerhttp://46.225.30.187:9093Alert routing and notifications
Uptime Kumahttp://46.225.30.187:3002Public status page and uptime monitoring