Generate DAML hub compatible token through UI

Questions
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1

Hi everyone :slight_smile:

I have some questions regarding the new JWT format, in particular, I have some doubts on his integration with DAML hub, we have an example token from DAML hub:

eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImRhYmwtZTk1ZTM5NzMtMTdjNy00ZmRhLTllMDYtOGQ0YTI4NGUxZDcyIn0.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.QddrWAcsciBMgOZ4emUO92VjOhEA0UL3LqiMkxTWBel5On78SPkSRwm0cVJSxr3kPnXmJF3PTKSInRrQsqwcPxGJEqRMMFR0MG-AMO2QATZrAUKE_ghgNzZSvEuL634rQJk_a5VFIHk0KAhy9PiOjpQ2plZQvuWOUUsxhvZH9hc

{
  "iss": "hub.daml.com/login",
  "sub": "google-oauth2|104267375062839720866",
  "exp": 1668789102,
  "jti": "8ef42c5e-362b-4e36-8f7e-6cb0c59eba89",
  "https://daml.com/ledger-api": {
    "actAs": [
      "ledger-party-63107b43-cb56-43f6-af0e-7250e42d5e1d::12208ee77be19758c3f7ee9203dbf383815d43299631f4187c8f7c1e461932bb4446"
    ],
    "admin": false,
    "applicationId": "damlhub",
    "ledgerId": "gbymw2c7a8j8k00m",
    "participantId": null,
    "readAs": [
      "ledger-party-63107b43-cb56-43f6-af0e-7250e42d5e1d::12208ee77be19758c3f7ee9203dbf383815d43299631f4187c8f7c1e461932bb4446"
    ]
  },
  "hubClaims": {
    "ledgerId": "gbymw2c7a8j8k00m",
    "owner": "user-grant-8686f0ce-18bb-4b39-8428-d16133f9ab48",
    "party": "ledger-party-63107b43-cb56-43f6-af0e-7250e42d5e1d::12208ee77be19758c3f7ee9203dbf383815d43299631f4187c8f7c1e461932bb4446",
    "partyName": "João Freitas"
  },
  "ledgerId": "gbymw2c7a8j8k00m",
  "owner": "user-grant-8686f0ce-18bb-4b39-8428-d16133f9ab48",
  "party": "ledger-party-63107b43-cb56-43f6-af0e-7250e42d5e1d::12208ee77be19758c3f7ee9203dbf383815d43299631f4187c8f7c1e461932bb4446",
  "partyName": "João Freitas"
}

and I would like to know if it´s possible - and if so - how can we through a FE mock this structure. By the way does this token somehow relates to this token:

eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJsZWRnZXJJZCI6InBhcnRpY2lwYW50MSIsImFwcGxpY2F0aW9uSWQiOiJIVFRQLUpTT04tQVBJLUdhdGV3YXkiLCJzdWIiOiJsMjIwMHBfbG1zIiwic2NvcGUiOiJkYW1sX2xlZGdlcl9hcGkifQ.w_7GbMZ4fhJL75oemVCQHgQHGYaxo3yzoPtEZd_OuIE

{
  "ledgerId": "gbymw2c7a8j8k00m",
  "applicationId": "damlhub",
  "sub": "myPartyName",
  "scope": "daml_ledger_api"
}

thanks in advance :slight_smile:

2

If by any chance this is an actual token you received from Daml Hub that works without any modification, I would strongly advise you to remove it from here. It’s a bearer token and anybody using it will be able to use the claims reported in it. That’s why it needs to be transferred over a secure connection (i.e. HTTPS).

3

ok, understood.

But is there any way to fetch the tokens of all parties that we have on that ledger?

4

Hey @Joao_Freitas, this part of the step-by-step guide for ‘Ledger Initialization with Daml Script’ in the Daml Hub docs should help for fetching all the tokens of all parties on that ledger.

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