osipov-mit / test Goto Github PK

1. Upload this program to the Vara Test Network using https://idea.gear-tech.io
2. Develop a backend service with the following functionality
   1. Send Ping message to the uploaded program on request and save the sent message with its id to the database
   2. Receive a response from the program and save it to the database
   3. On request, give statistics on the number of messages sent, Pong message received from the program and error messages received from the program.

@gear-js/api - library for working with blockchain

@polkadot/api - library necessary for @gear-js/api work.

How to send a message to a program

How to calculate gas to send a message

How to listen to blockchain events

To receive response from the program you need to listen to UserMessageSent event

How to create a keyring to sign a transaction

How to get metadata of a program

Metadata is necessary for encoding and decoding messages sent/received to/from the program

test_task.opt.wasm - code of the program

test_task.meta.txt - metadata of the program

Types of the program messages:

String - type of the message to be sent to the program

Result<String, u16> - type of the message that program sends in response