priceanalytics/

Price analytic component

Component to store and response price analytic data for stat purpose

Build

    cd price-analytics/cmd
    go build -v .

Run

in the cmd directory, run shell command:

    ./cmd --postgres_host=127.0.0.1:5432 --postgres_user=<postgres_username> --postgres_password=<postgres_password> --postgres_database=<postgres_database>

postgres_host: host to connect to postgres, default value is 127.0.0.1:5432 postgres_user: user to connect to postgres, default value is empty postgres_password: password to connect to postgres with provided user, default value is empty postgres_database: database to store data in postgres,default value is empty

APIs

Update Price Analytic Data - (signing required) set a record marking the condition because of which the set price is called.

<host>:8000/update-price-analytic-data
POST request
params:
 - timestamp - the timestamp of the action (real time ) in millisecond
 - value - the json enconded object to save. 

Note: the data sent over must be encoded in Json in order to make it valid for output operation
  In Python, the data would be encoded as:
   data = {"timestamp": timestamp, "value": json.dumps(analytic_data)} 

response:

on success:

{
    "success": true
}

on failure:

{
    "success":false,
    "reason": "<error>"
}

Get Price Analytic Data - (signing required) list of price analytic data, sorted by timestamp

<host>:8000/get-get-price-analytic-data
GET request
params:
 - fromTime (integer) - from timestamp (millisecond)
 - toTime (integer) - to timestamp (millisecond)
example:

curl -x GET \
  http://localhost:8000/get-price-analytic-data?from=1522753160000&to=1522755792000

response:

{
  "data": [
    {
      "Timestamp": 1522755271000,
      "Data": {
        "block_expiration": false,
        "trigger_price_update": true,
        "triggering_tokens_list": [
          {
            "ask_price": 0.002,
            "bid_price": 0.003,
            "mid afp_old_price": 0.34555,
            "mid_afp_price": 0.6555,
            "min_spread": 0.233,
            "token": "OMG"
          },
          {
            "ask_price": 0.004,
            "bid_price": 0.005,
            "mid afp_old_price": 0.21555,
            "mid_afp_price": 0.4355,
            "min_spread": 0.133,
            "token": "KNC"
          }
        ]
      }
    }
  ],
  "success": true
}