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No public description #112

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49 changes: 37 additions & 12 deletions willow/proto/willow/committee_selector.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,10 @@ message VolunteerForCommitteeRequest {
// an Android Key Attestation X.509 certificate.
google.protobuf.Any key_endorsement = 2
;

// The name of the population that the client belongs to.
string population_name = 3 ;

}

// A record of a client who volunteered for a committee.
Expand All @@ -58,20 +62,34 @@ message VolunteerRecord {
;
}

// A response from the untrusted frontend to the client after recording it's
// volunteer request for the committee.
// A response from the untrusted frontend to the client after recording its
// volunteer request for the committee. This is either a VolunteerRecorded or
// NoActiveCommitteeSelection message.
message VolunteerForCommitteeResponse {
VolunteerRecord volunteer_record = 1;
// A response from the untrusted frontend to the client after recording its
// volunteer request for an active committee selection.
message VolunteerRecorded {
VolunteerRecord volunteer_record = 1;

// An acknowledgement that the request was handled.
// For example, a measurement and endorsement from a TEE.
google.protobuf.Any attestation = 2
;

// Optional: Suggested time after which clients can return to check the
// status of their volunteer request (namely when the committee selection
// was expected to complete)
google.protobuf.Timestamp check_status_after = 3
;
}

// An acknowledgement that the request was handled.
// For example, a measurement and endorsement from a TEE.
google.protobuf.Any volunteer_recorded_attestation = 2
;
message NoActiveCommitteeSelection {
}

// Suggested time after which clients can return to check the status of their
// volunteer request.
google.protobuf.Timestamp check_status_after = 3
;
oneof msg {
VolunteerRecorded volunteer_recorded = 1;
NoActiveCommitteeSelection no_active_committee_selection = 2;
}
}

// A message passed from the untrusted frontend to a TEE to record a batch of
Expand All @@ -82,9 +100,16 @@ message VolunteerBatchForCommitteeRequest {
}

// A response from the TEE to the untrusted frontend after recording a batch of
// committee volunteers.
// committee volunteers. Must be in the same order as the requests in
// VolunteerBatchForCommitteeRequest.
message VolunteerBatchForCommitteeResponse {
repeated VolunteerRecord volunteer_records = 1;

// An acknowledgement that the request was handled.
// For example, a measurement and endorsement from a TEE. We expect that the
// attestation is the same for all volunteers in the batch.
google.protobuf.Any volunteer_recorded_attestation = 2
;
}

// A message passed from the untrusted frontend to a TEE to sample a committee
Expand Down