syntax = "proto3";

package artifact;

service ArtifactStore {
    // Creates an artifact that can be used for proof requests.
    rpc CreateArtifact(CreateArtifactRequest) returns (CreateArtifactResponse) {}
}

message CreateArtifactRequest {
    // The signature of the user on a pre-defined message. Used for authentication.
    bytes signature = 1;
    // The type of artifact to create.
    ArtifactType artifact_type = 2;
}

message CreateArtifactResponse {
    // The unique resource identifier of the artifact.
    string artifact_uri = 1;
    // The presigned url to upload the artifact.
    string artifact_presigned_url = 2;
}

enum ArtifactType {
    UNSPECIFIED_ARTIFACT_TYPE = 0;
    // A program artifact.
    PROGRAM = 1;
    // A stdin artifact.
    STDIN = 2;
    // A proof artifact.
    PROOF = 3;
    // A transaction artifact.
    TRANSACTION = 4;
    // A private stdin artifact stored under the private-stdins/ prefix.
    // Only fetched via the authenticated GetStdinUri RPC.
    PRIVATE_STDIN = 7;
}