block3.proto

syntax = "proto3";

package schema;

import "google/protobuf/timestamp.proto";
import "github.com/mwitkow/go-proto-validators/validator.proto";

// Commercial Paper state entry
message CommercialPaper {

    enum State {
        ISSUED = 0;
        TRADING = 1;
        REDEEMED = 2;
    }

    // Issuer and Paper number comprises composite primary key of Commercial paper entry
    string issuer = 1;
    string paper_number = 2;

    string owner = 3;
    google.protobuf.Timestamp issue_date = 4;
    google.protobuf.Timestamp maturity_date = 5;
    int32 face_value = 6;
    State state = 7;

    // Additional unique field for entry
    string external_id = 8;
}

// CommercialPaperId identifier part
message CommercialPaperId {
    string issuer = 1;
    string paper_number = 2;
}

// ExternalId
message ExternalId {
    string id = 1;
}

// Container for returning multiple entities
message CommercialPaperList {
    repeated CommercialPaper items = 1;
}

// IssueCommercialPaper event
message IssueCommercialPaper {
    string issuer = 1 [(validator.field) = {string_not_empty : true}];
    string paper_number = 2 [(validator.field) = {string_not_empty : true}];
    google.protobuf.Timestamp issue_date = 3 [(validator.field) = {msg_exists : true}];
    google.protobuf.Timestamp maturity_date = 4 [(validator.field) = {msg_exists : true}];
    int32 face_value = 5 [(validator.field) = {int_gt : 0}];

    // external_id  - once more uniq id of state entry
    string external_id = 6 [(validator.field) = {string_not_empty : true}];
}

// BuyCommercialPaper event
message BuyCommercialPaper {
    string issuer = 1 [(validator.field) = {string_not_empty : true}];
    string paper_number = 2 [(validator.field) = {string_not_empty : true}];
    string current_owner = 3 [(validator.field) = {string_not_empty : true}];
    string new_owner = 4 [(validator.field) = {string_not_empty : true}];
    int32 price = 5 [(validator.field) = {int_gt : 0}];
    google.protobuf.Timestamp purchase_date = 6 [(validator.field) = {msg_exists : true}];
}

// RedeemCommercialPaper event
message RedeemCommercialPaper {
    string issuer = 1 [(validator.field) = {string_not_empty : true}];
    string paper_number = 2 [(validator.field) = {string_not_empty : true}];
    string redeeming_owner = 3 [(validator.field) = {string_not_empty : true}];
    google.protobuf.Timestamp redeem_date = 4 [(validator.field) = {msg_exists : true}];
}