Near APP that give prizes competitors who have high score.
NCD Mathematician is a Near app (whose frontend is powered by React) that ask you math question depends on difficulty and give rewards based on score you get.
Main features:
- Login app.
- Choose your difficulty.
- Participate the game (Entrance ticket is 1 NEAR)
- Based on point you get, system will reward you when game is done.
- You can check previous results that you have obtained.
Project is powered by Google's Firebase. You can reach the project here.
To use this project for development purpose the things you should do:
- Clone this repository
- Run
npm ito install dependencies. - To run frontend, you have to run
npm run start - Currently it uses my testnet account (nerdkrypto.testnet), if you want to deploy contract on your own account, change variables on neardev file.
- To build contract, run
npm run buildNear:release - To deploy contract, run
near dev-deploy .\out\main.wasm
Details about contract:
| Name | Type | Details | Functionality | How to Call |
|---|---|---|---|---|
| m | PersistentMap | private | This variable is used to keep track of all results for a player. | - |
| getStorage | Function | public - view function | This function is used to get storage value for a player. Value on storage is used to determine the state of player on frontend. | contract.getStorage({ key: currentUser?.accountId }) |
| getMap | Function | public - view function | This function is used to get map value for a player. Value on map is used to check previous results of player on frontend. | contract.getMap({ key: currentUser.accountId }); |
| getTicket | Function | public - call function | This function is used to get 1 NEAR from players and let them in game. It has assert checks, sets storage and creates promise batch to create transfer. | contract.getTicket({}, ATTACHED_GAS, ATTACHED_TOKENS); |
| finishGame | Function | public - call function | This function is used to send prize to player. It sets map values, storages and creates promise batch to create transfer. | contract.finishGame({amount},ATTACHED_GAS, 0) |
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