Blockchain Trading Process

The app/cli sends a INSTANTIATE/INVOKE request to the specified endorser node, and after endorser receives the request, if the relevant chaincode exists, the request is sent to The Chaincode side, and executes the correlation function (because the execution process, may involve multiple state reads and writes, and each read and write will involve the operation of the underlying DB, so this process involves multiple communication with the endorser node); After Chaincode execution is complete, Sends a message to the Endorser node, and if the execution succeeds, the endorser node encapsulates the execution result and aligns the endorse and returns the result to the APP/CLI side, and the APP/CLI node receives the result of the endorser's execution, and the transaction (which contains the read that was returned in the previous step) Write set) sent to the Order node The order node will sort and package several transactions into blocks, send to the commiter node commiter node Verify the transaction verification of each node through, synchronize chunks, write to the state database, Transaction completed. The essence of trading is actually a chaincode call.