Provider can load data set to database

[forgetso]

As a Provider
I would like to store captcha data to my local database
So that I can serve captchas upon request

• decide on format for captcha data (JSON or ... ?)
• create captcha types in typescript (e.g. image - 9 images like recaptcha/hcaptcha, image - something else, text - multi select)
• create dummy captcha data
• decide database to store data in
• store data to database
• compute dataset hash - this is the merkle root of the data set
• store dataset hash to blockchain (contractApi.providerAddDataSet(dataSetHash))
• Database unit tests #22
• Database load testing #23
  Data structure suggestion:

{
  "datasetId": "dataset1",
  "captchas": [
    {
      "captchaId": 1,
      "solution": [],
      "salt": "0x01",
      "format": "select_all",
      "target": "bus",
      "images": [
        "/home/dev/prosopo/data/img/01.01.jpeg",
        "/home/dev/prosopo/data/img/01.02.jpeg",
        "/home/dev/prosopo/data/img/01.03.jpeg",
        "/home/dev/prosopo/data/img/01.04.jpeg",
        "/home/dev/prosopo/data/img/01.05.jpeg",
        "/home/dev/prosopo/data/img/01.06.jpeg",
        "/home/dev/prosopo/data/img/01.07.jpeg",
        "/home/dev/prosopo/data/img/01.08.jpeg",
        "/home/dev/prosopo/data/img/01.09.jpeg"
      ]
    }
  ]
}