Create AnonCreds Credential Definition

Create Credential Definition

The request body must contain the credential_definition object with the Issuer DID and the Schema ID created in the previous steps.

To enable revocation, the options must contain the revocation flag, and the size of the revocation registry. Also, ensure that a Tails Server is configured for the issuer.

Create a credential definition on the connected datastore

POST/anoncreds/credential-definition

Body

application/json

credential_definitionInnerCredDef (object)

optionsCredDefPostOptions (object)

Response

200

Body

application/json

credential_definition_metadataobject

credential_definition_stateCredDefState (object)

job_idstring

registration_metadataobject

Request

JavaScriptCurlPython

const response = await fetch('/anoncreds/credential-definition', {
    method: 'POST',
    headers: {
      "Content-Type": "application/json"
    },
    body: JSON.stringify({}),
});
const data = await response.json();

Response

200

{
  "credential_definition_state": {
    "credential_definition": {
      "issuerId": "did:(method):WgWxqztrNooG92RXvxSTWv",
      "schemaId": "did:(method):2:schema_name:1.0",
      "tag": "default",
      "type": "CL",
      "value": {
        "primary": {
          "n": "0",
          "rctxt": "0",
          "s": "0",
          "z": "0"
        },
        "revocation": {
          "g": "1 1F14F&ECB578F 2 095E45DDF417D",
          "g_dash": "1 1D64716fCDC00C 1 0C781960FA66E3D3 2 095E45DDF417D",
          "h": "1 16675DAE54BFAE8 2 095E45DD417D",
          "h0": "1 21E5EF9476EAF18 2 095E45DDF417D",
          "h1": "1 236D1D99236090 2 095E45DDF417D",
          "h2": "1 1C3AE8D1F1E277 2 095E45DDF417D",
          "h_cap": "1 1B2A32CF3167 1 2490FEBF6EE55 1 0000000000000000",
          "htilde": "1 1D8549E8C0F8 2 095E45DDF417D",
          "pk": "1 142CD5E5A7DC 1 153885BD903312 2 095E45DDF417D",
          "u": "1 0C430AAB2B4710 1 1CB3A0932EE7E 1 0000000000000000",
          "y": "1 153558BD903312 2 095E45DDF417D 1 0000000000000000"
        }
      }
    },
    "credential_definition_id": "did:(method):3:CL:20:tag",
    "state": "finished"
  },
  "job_id": "text"
}

Request Body

credential_definition (mandatory)

"issuerId": DID of the Issuer.

"schemaId": The AnonCreds Schema ID created by the Issuer (must be of the same DID).

"tag": Additional Name to identify the Credential Definition.

options (optional)

"support_revocation": Boolean value to indicate that the Credential can be revoked or not. (Tails server must be configured if this is set to `true`)

"revocation_registry_size": Maximum size of the Revocation Registry.

Check the new Credential Definition

Retrieve an individual credential definition details

GET/anoncreds/credential-definition/{cred_def_id}

Path parameters

cred_def_id*string

Credential definition identifier

Example: "did:(method):3:CL:20:tag"

Response

200

Body

application/json

credential_definitionall of

credential definition

credential_definition_idstring

credential definition id

Example: "did:(method):3:CL:20:tag"

credential_definitions_metadataobject

resolution_metadataobject

Request

JavaScriptCurlPython

const response = await fetch('/anoncreds/credential-definition/{cred_def_id}', {
    method: 'GET',
    headers: {},
});
const data = await response.json();

Response

200

{
  "credential_definition": {
    "issuerId": "did:(method):WgWxqztrNooG92RXvxSTWv",
    "schemaId": "did:(method):2:schema_name:1.0",
    "tag": "default",
    "type": "CL",
    "value": {
      "primary": {
        "n": "0",
        "rctxt": "0",
        "s": "0",
        "z": "0"
      },
      "revocation": {
        "g": "1 1F14F&ECB578F 2 095E45DDF417D",
        "g_dash": "1 1D64716fCDC00C 1 0C781960FA66E3D3 2 095E45DDF417D",
        "h": "1 16675DAE54BFAE8 2 095E45DD417D",
        "h0": "1 21E5EF9476EAF18 2 095E45DDF417D",
        "h1": "1 236D1D99236090 2 095E45DDF417D",
        "h2": "1 1C3AE8D1F1E277 2 095E45DDF417D",
        "h_cap": "1 1B2A32CF3167 1 2490FEBF6EE55 1 0000000000000000",
        "htilde": "1 1D8549E8C0F8 2 095E45DDF417D",
        "pk": "1 142CD5E5A7DC 1 153885BD903312 2 095E45DDF417D",
        "u": "1 0C430AAB2B4710 1 1CB3A0932EE7E 1 0000000000000000",
        "y": "1 153558BD903312 2 095E45DDF417D 1 0000000000000000"
      }
    }
  },
  "credential_definition_id": "did:(method):3:CL:20:tag"
}