syntax = "proto3";

package did.v1;

import "cosmos/orm/v1/orm.proto";
import "did/v1/genesis.proto";
import "did/v1/types.proto";

option go_package = "github.com/sonr-io/sonr/x/did/types";

// Authentication is the authentication method to be used by the DID.
message Authentication {
  option (cosmos.orm.v1.table) = {
    id: 1
    primary_key: {fields: "did"}
    index: {
      id: 1
      fields: "controller,subject"
      unique: true
    }
  };

  // The unique identifier of the assertion
  string did = 1;

  // The authentication of the DID
  string controller = 2;

  // Origin of the authentication
  string subject = 3;

  // string is the verification method
  string public_key_base64 = 4;

  // AssertionKind is the assertion type
  string did_kind = 5;

  // CreationBlock is the block number of the creation of the authentication
  int64 creation_block = 6;
}

// Assertion is the assertion method to be used by the DID.
message Assertion {
  option (cosmos.orm.v1.table) = {
    id: 2
    primary_key: {fields: "did"}
    index: {
      id: 1
      fields: "controller,subject"
      unique: true
    }
  };

  // The unique identifier of the assertion
  string did = 1;

  // The authentication of the DID
  string controller = 2;

  // Origin of the authentication
  string subject = 3;

  // string is the verification method
  string public_key_base64 = 4;

  // DIDKind is the DID type
  string did_kind = 5;

  // CreationBlock is the block number of the creation of the authentication
  int64 creation_block = 6;
}

// Controller is the controller method to be used by the DID.
message Controller {
  option (cosmos.orm.v1.table) = {
    id: 3
    primary_key: {fields: "did"}
    index: {
      id: 1
      fields: "address"
      unique: true
    }
    index: {
      id: 2
      fields: "subject"
      unique: true
    }
    index: {
      id: 3
      fields: "public_key_base64"
      unique: true
    }
  };

  // The unique identifier of the assertion
  string did = 1;

  // The authentication of the DID
  string address = 2;

  // Origin of the authentication
  string subject = 3;

  // string is the verification method
  string public_key_base64 = 4;

  // DIDKind is the DID type
  string did_kind = 5;

  // CreationBlock is the block number of the creation of the authentication
  int64 creation_block = 6;
}

// Delegation is usually an external blockchain account that is used to sign
// transactions on behalf of the DID
message Delegation {
  option (cosmos.orm.v1.table) = {
    id: 4
    primary_key: {fields: "did"}
    index: {
      id: 1
      fields: "controller,subject"
      unique: true
    }
  };

  // The unique identifier of the assertion
  string did = 1;

  // The authentication of the DID
  string controller = 2;

  // Origin of the authentication
  string subject = 3;

  // string is the verification method
  string public_key_base64 = 4;

  // DIDKind is the DID type
  string did_kind = 5;

  // CreationBlock is the block number of the creation of the authentication
  int64 creation_block = 6;
}

// Invocation is usually a smart contract that is used to sign transactions on
// behalf of the DID
message Invocation {
  option (cosmos.orm.v1.table) = {
    id: 5
    primary_key: {fields: "did"}
    index: {
      id: 1
      fields: "controller,subject"
      unique: true
    }
  };

  // The unique identifier of the assertion
  string did = 1;

  // The authentication of the DID
  string controller = 2;

  // Origin of the authentication
  string subject = 3;

  // string is the verification method
  string public_key_base64 = 4;

  // DIDKind is the DID type
  string did_kind = 5;

  // CreationBlock is the block number of the creation of the authentication
  int64 creation_block = 6;
}

// DIDDocument represents a W3C compliant DID Document
message DIDDocument {
  option (cosmos.orm.v1.table) = {
    id: 6
    primary_key: {fields: "id"}
    index: {
      id: 1
      fields: "primary_controller"
      unique: false
    }
  };

  // id is the DID that is the subject of this DID Document (REQUIRED)
  string id = 1;

  // primary_controller identifies the primary entity that controls the DID
  // document (OPTIONAL)
  string primary_controller = 2;

  // alsoKnownAs expresses other identifiers for the DID subject (OPTIONAL)
  repeated string also_known_as = 3;

  // verificationMethod expresses verification methods (OPTIONAL)
  repeated VerificationMethod verification_method = 4;

  // authentication expresses authentication verification relationships
  // (OPTIONAL)
  repeated VerificationMethodReference authentication = 5;

  // assertionMethod expresses assertion verification relationships (OPTIONAL)
  repeated VerificationMethodReference assertion_method = 6;

  // keyAgreement expresses key agreement verification relationships (OPTIONAL)
  repeated VerificationMethodReference key_agreement = 7;

  // capabilityInvocation expresses capability invocation verification
  // relationships (OPTIONAL)
  repeated VerificationMethodReference capability_invocation = 8;

  // capabilityDelegation expresses capability delegation verification
  // relationships (OPTIONAL)
  repeated VerificationMethodReference capability_delegation = 9;

  // service expresses service endpoints (OPTIONAL)
  repeated Service service = 10;

  // Block height when the DID document was created
  int64 created_at = 11;

  // Block height when the DID document was last updated
  int64 updated_at = 12;

  // Whether the DID document is deactivated
  bool deactivated = 13;

  // Version number for the DID document
  uint64 version = 14;
}

// DIDDocumentMetadata contains metadata about the DID document
message DIDDocumentMetadata {
  option (cosmos.orm.v1.table) = {
    id: 7
    primary_key: {fields: "did"}
  };

  // did is the DID this metadata belongs to
  string did = 1;

  // created is when the DID was created
  int64 created = 2;

  // updated is when the DID was last updated
  int64 updated = 3;

  // deactivated is when the DID was deactivated (if applicable)
  int64 deactivated = 4;

  // version_id is the version identifier
  string version_id = 5;

  // next_update is when the next update is scheduled (if applicable)
  int64 next_update = 6;

  // next_version_id is the next version identifier (if applicable)
  string next_version_id = 7;

  // equivalentId lists equivalent DIDs
  repeated string equivalent_id = 8;

  // canonicalId is the canonical DID
  string canonical_id = 9;
}

// VerifiableCredential represents a W3C Verifiable Credential
message VerifiableCredential {
  option (cosmos.orm.v1.table) = {
    id: 8
    primary_key: {fields: "id"}
    index: {
      id: 1
      fields: "issuer"
      unique: false
    }
    index: {
      id: 2
      fields: "subject"
      unique: false
    }
    index: {
      id: 3
      fields: "issuer,subject"
      unique: true
    }
  };

  // id is the credential identifier
  string id = 1;

  // context is the JSON-LD contexts
  repeated string context = 2;

  // credential_kinds is the credential types
  repeated string credential_kinds = 3;

  // issuer is the DID of the credential issuer
  string issuer = 4;

  // issuanceDate is when the credential was issued
  string issuance_date = 5;

  // expirationDate is when the credential expires (optional)
  string expiration_date = 6;

  // credentialSubject contains the claims about the subject as JSON
  bytes credential_subject = 7;

  // proof contains the cryptographic proof
  repeated CredentialProof proof = 8;

  // credentialStatus contains information about credential revocation
  // (optional)
  CredentialStatus credential_status = 9;

  // subject is the DID of the credential subject (for indexing)
  string subject = 10;

  // Block height when issued
  int64 issued_at = 11;

  // Block height when expires (0 if no expiration)
  int64 expires_at = 12;

  // Whether the credential is revoked
  bool revoked = 13;
}

// DIDController represents additional controllers for a DID document
message DIDController {
  option (cosmos.orm.v1.table) = {
    id: 9
    primary_key: {
      fields: "id"
      auto_increment: true
    }
    index: {
      id: 1
      fields: "did"
      unique: true
    }
    index: {
      id: 2
      fields: "controller_did"
      unique: true
    }
    index: {
      id: 3
      fields: "did,controller_did"
      unique: true
    }
  };

  // id is the auto-incrementing primary key
  uint64 id = 1;

  // did is the DID this controller belongs to
  string did = 2;

  // controller_did is the controller DID
  string controller_did = 3;

  // added_at is when this controller was added
  int64 added_at = 4;
}