7.3 Interchain Services based on IRITA

7.3.1 Overview

BSN interchain services based on IRITA is a cross-chain network and is a part of the ICH. In the interchain communication process, developers initiate an interchain service call by their application contracts, and after receiving this call, the relayer of that application chain will initiate a cross-chain request to the ICH. After receiving the request, the service provider transfers the request to the target chain, acquires the transaction result and returns it to the ICH. Finally, the relayer returns the transaction result to the application chain by calling the cross-chain contract.

The application contract, cross-chain contract, relayer, ICH, service provider and services are working together to complete the entire process of interchain services.

Testnet Framework Cross-chain contract names/addresses
China Fabric cc_cross
China FISCO 0xdaa3b22adeef09c9416f01db654035ba8c729522
International Fabric cc_cross
International FISCO 0xb85fc9a3a13ebd9c0855ed3e3832bbf0277e6f0c
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