Loopring Dev Docs
  • Introduction
  • Endpoints
  • SDK
    • SDK Guides
    • Test Mock Data
      • Mock Account
      • Mock provider
      • Mock ERC20 Token Map
      • Mock AMM MAP
      • Mock EIP712 Typed Data
      • Mock Generate eddsaKey
  • Glossary
  • 🗳️Loopring Account
    • Introduction
    • SDK Guides
      • Setup a Loopring Account
      • Unlock Account (Login)
    • API References
      • Get Account info
        • Sample code
      • Update EddsaKey
        • Sample code
      • Get apiKey
        • Sample code
      • Update apiKey
        • Sample code
  • 🎨CounterFactual NFT
    • Introduction
      • Compute NFT Address API
      • When to deploy counterfactual NFT contracts?
    • SDK Guides
      • Deposit NFT
      • Create Collection
      • Mint Counterfactual NFT
      • Transfer NFT
      • Deploy NFT
      • Withdraw NFT
      • Trade NFT
        • Validate NFT Order
      • Meta & IPFS
    • API References
      • NFT Collection
        • Create collection
          • Sample code
        • Edit collection
          • Sample code
        • Delete collection
          • Sample code
        • List owned collections
          • Sample code
        • List user's NFTs under one collection
          • Sample code
        • List user's NFT balances group by Collection ID
          • Sample code
        • List all NFTs of a collection
          • Sample code
        • Get collection by Collection ID
          • Sample code
        • Get collections by contract address
          • Sample code
      • Get NFT Assets
        • Sample code
      • Get NFT Balances
        • Sample code
      • Mint NFT
        • Sample code
      • Transfer NFT
        • Sample code
      • Validate NFT Order
        • Sample code
      • Trade NFT
        • Sample code
      • Deploy NFT TokenAddress
        • Sample code
      • Withdraw NFT
        • Sample code
      • Get NFT Transactions
        • Sample code
      • Get NFT Trade History
        • Sample code
      • Get AvailableBroker
        • Sample code
      • Get NFT Info
        • Sample code
      • Get NFT Data
        • Sample code
      • Get NFT Holders
        • Sample code
  • 🪙ERC20 Tokens
    • Introduction
    • SDK Guides
      • Transfer ERC20
      • Withdraw ERC20
      • Deposit ERC20
      • Order ERC20
    • API References
      • Get Assets
        • Sample code
      • Transfer
        • Sample code
      • Submit Order
        • Sample code
      • Cancel Order
        • Sample code
      • Withdraw
        • Sample code
      • Get Transactions
        • Sample code
      • Get Orders
        • Sample code
      • Get Trade History
        • Sample code
  • 🔬Resources
    • Advanced
      • UpdateAccount with custom seed
      • Pay payee updateAccount fee
      • Common error and solutions
      • Submit erc20 order
    • Common Info
      • Get relayer current time
        • Sample code
      • Get exchange info
        • Sample code
      • Get token info
        • Sample code
      • Get markets info
        • Sample code
    • Error codes
    • Fees
      • GET ERC20 Offchain Fee
        • Sample code
      • GET ERC20 Order Fee
        • Sample code
      • GET NFT Offchain Fee
        • Sample code
      • GET NFT Order Fee
        • Sample code
      • SDK Fees
    • Layer 2 block info
      • Get pending transactions
    • Request signing
      • Special API Request Signatures
      • Off-chain Request Signatures
      • Extra ECDSA authentic in header
    • Signature
      • ECDSA signature
        • ECDSA key generation
        • ECDSA sign
        • ECDSA verify signature
      • EdDSA signature
        • EdDSA key generation
        • EdDSA sign
        • EdDSA verify signature
      • SDK Signature
        • Mock Signature
    • Smart Contracts
    • Storage Id
      • Sample code
    • WebSocket
      • Account Notification
      • Order Notification
      • Orderbook Notification
      • Trade Notification
      • Ticker Notification
      • Candlestick Notification
      • AMM Pool Snapshot Notification
      • Block Generation Notification
    • Loopring Smart Wallet
      • Signature and verification
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  • LRC
  • Loopring Exchange V2

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  1. Resources

Smart Contracts

LRC

  • LRC Address: 0xBBbbCA6A901c926F240b89EacB641d8Aec7AEafD (lrctoken.eth)

Loopring Exchange V2

  • ExchangeV3: 0x0BABA1Ad5bE3a5C0a66E7ac838a129Bf948f1eA4 (exchange2.loopring.eth)

  • DefaultDepositContract: 0x674bdf20A0F284D710BC40872100128e2d66Bd3f (deposit2.loopring.eth)

  • LoopringIOExchangeOwner: 0x5c367c1b2603ed166C62cEc0e4d47e9D5DC1c073

  • ExchangeV3 Implementation: 0x2fefbeF4d1445F523941c56349C2414cd5e9675d

  • LoopringV3: 0xe56D6ccab6551932C0356E4e8d5dAF0630920C71

  • BlockVerifier: 0x6150343E0F43A17519c0327c41eDd9eBE88D01ef (verifier2.loopring.eth)

  • AgentRegistry: 0x39B9bf169a7e225ba037C443A40460c77438ea14 (agents2.loopring.eth)

  • FastWithdrawalAgent: 0xec3Cc6Cf0252565b56FC7AC396017Df5b9B78a31 (fastwithdraw2.loopring.eth)

  • CounterFactual NFT Factory: 0xc852aC7aAe4b0f0a0Deb9e8A391ebA2047d80026

Open Sourced

The code of the Loopring Protocol is entirely open-sourced, including its design document, smart contracts, and ZKP circuits. If you have any questions, please email the Loopring Foundation at foundation@loopring.org.

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