MAPO Developer Docs
  • MAPO Developer Docs
  • Base
    • MAPO Introduction
    • MAPO token
    • Omnichain DAPP
    • Differences Between Omnichain Applications and Single or Multi-Chain Applications
    • Differences Between Third-Party Trusted Cross-Chain and Peer-to-Peer Cross-Chain Solutions
    • BTC layer2
      • brc-201
    • Oracle
      • Supra: Decentralized Oracle on MAP Protocol
    • Account
    • Transactions
    • block
    • MPT tree
    • RLP
    • Gas fee
    • Cross Chain Message
    • light client
      • MAPO light client
    • MOS
      • MOS interface and functions
      • deploy MOS
      • Messenger
    • map-relay-chain(atlas)
      • atlas architecture
        • atlas architecture
        • atlas genesis
          • genesis config
          • genesis contract
            • ABI
              • Accounts
              • Election
              • EpochRewards
              • LockedGold
              • Validators
            • address
            • deploy
        • precompile-contract
        • protocol
          • Proof of Stake
          • consensus
          • election
          • rewards
          • governance
      • deploy atlas
        • run atlas
        • run atlas(archive)
        • run atlas(bootnodes)
        • run atlas(validator)
        • run atlas（RPC）
      • Marker tool
        • Genesis
        • Validator
        • Vote
        • Common
      • make private network(atlas)
      • public service
        • public network
      • example
        • how-to-vote
        • how-to-withdraw
        • how-to-become-a-new-validator
        • how-to-become-a-new-validator(advanced)
    • Compass(maintainer，messenger)
      • Compass - arch and model
      • Compass - config
      • Compass - deploy
      • Compass secondary development - define your own routing service based on compass
  • MAPO Stack
    • stack
      • Connected Chains and Corresponding Addresses
    • Compatible-EVM
      • Smart Contracts Language
      • Smart Contracts Anatomy
      • Smart Contracts Libraries
      • Smart Contracts Compile
      • Smart Contracts Testing
      • Smart Contracts Deploy
      • Smart Contracts Composability
      • Smart Contracts Security
      • Formal-Verification
      • Frameworks
      • dev-network
    • MAPO Implement Cross-chain Interoperability
      • integration of MAP with EVM-Compatible Chains
        • light client verify
        • light client update state
        • MOS
      • integration of MAP with TON Network
      • integration of MAP with Non-EVM-Compatible Chains
        • light client verify
        • light client update state
        • MOS
    • How to develop cross-chain applications
    • light client address
    • SDK/API
      • MOS interface
      • Light client interface
      • Atlas RPC
        • json-rpc
          • atlas json rpc
          • atlas consensus rpc
        • javaScript sdk
        • go-sdk
      • Backend API
        • SCAN API
  • Zero-Knowledge Proof
    • zk proof
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Messenger

Messenger is an independent cross-chain program. It works with MOS.

Messenger monitors relevant events according to preset programs, and builds proofs on the source chain's ledger; then it transfers the event message and proof to the ttransferIn method on the target chain.

The flexibility of the application opens up possibilities for Messenger. The application can charge flexible transaction fees to cross-chain users and reward Messenger accordingly.

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Last updated 1 year ago