syntax = "proto3";

package cerc.auction.v1;

import "gogoproto/gogo.proto";
import "google/protobuf/timestamp.proto";
import "cosmos/base/v1beta1/coin.proto";

option go_package = "git.vdb.to/cerc-io/laconicd/x/auction";

// Params defines the auction module parameters
message Params {}

// Auction represents a sealed-bid on-chain auction
message Auction {
  option (gogoproto.goproto_getters) = false;

  string id = 1;

  // Auction kind (vickrey | provider)
  string kind = 2 [ (gogoproto.moretags) = "json:\"kind\" yaml:\"kind\"" ];

  string status = 3;

  // Address of the creator of the auction
  string owner_address = 4;

  // Timestamp at which the auction was created
  google.protobuf.Timestamp create_time = 5 [
    (gogoproto.stdtime) = true,
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"create_time\" yaml:\"create_time\""
  ];

  // Timestamp at which the commits phase concluded
  google.protobuf.Timestamp commits_end_time = 6 [
    (gogoproto.stdtime) = true,
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"commits_end_time\" yaml:\"commits_end_time\""
  ];

  // Timestamp at which the reveals phase concluded
  google.protobuf.Timestamp reveals_end_time = 7 [
    (gogoproto.stdtime) = true,
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"reveals_end_time\" yaml:\"reveals_end_time\""
  ];

  // Commit and reveal fees must both be paid when committing a bid
  // Reveal fee is returned only if the bid is revealed
  cosmos.base.v1beta1.Coin commit_fee = 8 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"commit_fee\" yaml:\"commit_fee\""
  ];
  cosmos.base.v1beta1.Coin reveal_fee = 9 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"reveal_fee\" yaml:\"reveal_fee\""
  ];

  // Minimum acceptable bid amount for a valid commit
  // Only applicable in vickrey auctions
  cosmos.base.v1beta1.Coin minimum_bid = 10 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"minimum_bid\" yaml:\"minimum_bid\""
  ];

  // Addresses of the winners
  // (single winner for vickrey auction)
  // (multiple winners for provider auctions)
  repeated string winner_addresses = 11;

  // Winning bids, i.e. the best bids
  repeated cosmos.base.v1beta1.Coin winning_bids = 12 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"winning_bids\" yaml:\"winning_bids\""
  ];

  // Auction winning price
  // vickrey auction: second highest bid, paid by the winner
  // provider auction: higest bid amongst winning_bids, paid by auction creator
  // to each winner
  cosmos.base.v1beta1.Coin winning_price = 13 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"winning_price\" yaml:\"winning_price\""
  ];

  // Maximum acceptable bid amount for a valid commit
  // Only applicable in provider auctions
  cosmos.base.v1beta1.Coin max_price = 14 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"max_price\" yaml:\"max_price\""
  ];

  // Number of desired providers (num of auction winners)
  // Only applicable in provider auctions
  int32 num_providers = 15;
}

// Auctions represent all the auctions in the module
message Auctions {
  option (gogoproto.goproto_getters) = false;

  repeated Auction auctions = 1 [ (gogoproto.nullable) = false ];
}

// Bid represents a sealed bid (commit) made during the auction
message Bid {
  option (gogoproto.goproto_getters) = false;

  string auction_id = 1;
  string bidder_address = 2;
  string status = 3;
  string commit_hash = 4;

  google.protobuf.Timestamp commit_time = 5 [
    (gogoproto.stdtime) = true,
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"commit_time\" yaml:\"commit_time\""
  ];

  cosmos.base.v1beta1.Coin commit_fee = 6 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"commit_fee\" yaml:\"commit_fee\""
  ];

  google.protobuf.Timestamp reveal_time = 7 [
    (gogoproto.stdtime) = true,
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"reveal_time\" yaml:\"reveal_time\""
  ];

  cosmos.base.v1beta1.Coin reveal_fee = 8 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"reveal_fee\" yaml:\"reveal_fee\""
  ];

  cosmos.base.v1beta1.Coin bid_amount = 9 [
    (gogoproto.nullable) = false,
    (gogoproto.moretags) = "json:\"bid_amount\" yaml:\"bid_amount\""
  ];
}