The default configuration for backend server URL is [http://127.0.0.1:8000/](http://127.0.0.1:8000/), you can also change it in `/src/utils/config.js`.
You will see blank tables on the frontend if you haven't started the backend Django server, or the backend server URL is configured incorrectly.
## REST API of Backend
The definitions of the fields are as follows:
*`eval_num`: Integer. The number of evaluation times.
*`name`: String. The name of the environment.
*`agent0`: String. Model name.
*`agent1`: String. Model name.
*`win`: Boolean. True if model in the first seat wins.
*`payoff`: Float. The payoff of the agent in the first seat.
*`index`: Integer. The index of the game of the same environent and same agent. It is in the range \[0, eval_num-1\]
| GET | tournament/launch | `eval_num`, `name` | Launch tournment on the game. Each pair of models will play `eval_num` times. Results will be saved in database. |
| GET | tournament/query\_game | `name`, `index`, `agent0`, `agent1`, `win`, `payoff`, `elements_every_page`, `page_index` | Query the games with the given parameters |
| GET | tournament/query\_payoff | `name`, `agent0`, `agent1`, `payoff` | Query the payoffs with the given parameters |
| GET | tournament/query\_agent\_payoff | `name`, `elements_every_page`, `page_index`, | Query the payoffs of all the agents |
| GET | tournament/replay | `name`, `agent0`, `agent1`, `index` | Return the replay data |
| http://127.0.0.1:8000/tournament/replay?name=leduc-holdem&agent0=leduc-holdem-rule-v1&agent1=leduc-holdem-cfr&index=3 | Obtain the replay data between rule model and CFR model. Obtain the data of the 3rd game |
| http://127.0.0.1:8000/tournament/query\_game&elements\_every\_page=10&page\_index=0 | Get all the game data |
| http://127.0.0.1:8000/tournament/query\_game?name=leduc-holdem&elements\_every\_page=10&page\_index=0 | Get all the game data of Leduc Holdem |
| http://127.0.0.1:8000/tournament/query\_payoff | Get all the payoffs |
| http://127.0.0.1:8000/tournament/query\_payoff?agent0=leduc-holdem-cfr&agent1=leduc-holdem-rule-v1 | Get all the payoffs between rule and CFR models |
| http://127.0.0.1:8000/tournament/query\_agent\_payoff?name=leduc-holdem&elements\_every\_page=1&page\_index=1 | Get the payoffs of all the agents of leduc-holdem |
| http://127.0.0.1:8000/tournament/list\_uploaded\_agents?game=leduc-holdem | List the uploaded agents of leduc-holdem |
| http://127.0.0.1:8000/tournament/list\_baseline\_agents?game=leduc-holdem | List the baseline agents of leduc-holdem |
| http://127.0.0.1:8000/tournament/download\_examples?name=example\_luduc\_nfsp\_model | Download the NFSP example model for Leduc Hold'em |