Build on Mandala
Reference
Network values, contract addresses, and upstream documentation index for Mandala builders.
Address book and pointers, in one place.
Network values
| Detail | Mainnet | Testnet |
|---|---|---|
| Chain ID | 20010 | 20011 |
| Network name | Mandala Chain | Mandala Testnet |
| RPC | https://rpc1-mainnet.mandalachain.io | https://rpc1-testnet.mandalachain.io |
| WebSocket | wss://rpc1-mainnet.mandalachain.io/ws | wss://rpc1-testnet.mandalachain.io/ws |
| Gas token | KPG (Kepeng) | KPGT (Kepeng Test) |
| Decimals | 18 | 18 |
| Settles to | Ethereum L1 | Sepolia |
| Block explorer | explorer.mandalachain.io | explorer.testnet.mandalachain.io |
| Bridge | Arbitrum Portal | Arbitrum Portal (testnet route) |
L1 (Ethereum) contracts
The Mandala core contracts on Ethereum L1.
| Contract | Address |
|---|---|
| Rollup | 0x218D35154D1efEBFC46D64451C9495288219b275 |
| SequencerInbox | 0x325acf46079d3f750D5D7E6182E094B1fD0AC2F4 |
| Inbox (delayed) | 0x62DfD05c460C7E55DA85B39EaD3eBc6e0CcdD0d5 |
| Outbox | 0x004eF39261cee56409Dbd26040a33Eca8326490C |
| Bridge | 0x65DB181838b53f32428ce106fA5355b7e4806b79 |
For trust implications, see Trust & Security Model.
L2 (Mandala) addresses
| Contract | Address |
|---|---|
| ArbSys precompile | 0x0000000000000000000000000000000000000064 |
| Multicall | 0x7Bb2526e78c03Ec31BFb1478DF5795C580f77538 |
For the full ArbSys API and other Arbitrum precompiles available on every Orbit chain, see Arbitrum's precompiles reference.
Upstream documentation
Everything Mandala inherits from upstream Arbitrum lives here. Use these for anything not chain-specific.
- Arbitrum core docs: docs.arbitrum.io
- How Arbitrum works: a gentle introduction
- Precompiles reference: docs.arbitrum.io/build-decentralized-apps/precompiles/02-reference
- Inside AnyTrust: docs.arbitrum.io/how-arbitrum-works/inside-anytrust
- Gas and fees: docs.arbitrum.io/how-arbitrum-works/gas-fees
- L1-to-L2 messaging: docs.arbitrum.io/how-arbitrum-works/l1-to-l2-messaging
Tooling docs
- viem: viem.sh
- wagmi: wagmi.sh
- Foundry book: book.getfoundry.sh
- Hardhat docs: hardhat.org/docs
- Blockscout verification: docs.blockscout.com/devs/verification
Code repositories
- Mandala GitHub: github.com/MandalaChain
- Arbitrum Nitro: github.com/OffchainLabs/nitro
- Arbitrum Orbit SDK: github.com/OffchainLabs/arbitrum-orbit-sdk
Help
For chain-specific questions and community channels, see Getting Help.