syntax = "proto3";
package kava.swap.v1beta1;

import "cosmos/base/v1beta1/coin.proto";
import "cosmos_proto/cosmos.proto";
import "gogoproto/gogo.proto";

option go_package = "github.com/0glabs/0g-chain/x/swap/types";

// Params defines the parameters for the swap module.
message Params {
  option (gogoproto.goproto_stringer) = false; // false here because we define Stringer method in params.go

  // allowed_pools defines that pools that are allowed to be created
  repeated AllowedPool allowed_pools = 1 [
    (gogoproto.castrepeated) = "AllowedPools",
    (gogoproto.nullable) = false
  ];
  // swap_fee defines the swap fee for all pools
  string swap_fee = 2 [
    (cosmos_proto.scalar) = "cosmos.Dec",
    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
    (gogoproto.nullable) = false
  ];
}

// AllowedPool defines a pool that is allowed to be created
message AllowedPool {
  option (gogoproto.goproto_stringer) = false; // false here because we define Stringer method in params.go

  // token_a represents the a token allowed
  string token_a = 1;
  // token_b represents the b token allowed
  string token_b = 2;
}

// PoolRecord represents the state of a liquidity pool
// and is used to store the state of a denominated pool
message PoolRecord {
  // pool_id represents the unique id of the pool
  string pool_id = 1 [(gogoproto.customname) = "PoolID"];
  // reserves_a is the a token coin reserves
  cosmos.base.v1beta1.Coin reserves_a = 2 [(gogoproto.nullable) = false];
  // reserves_b is the a token coin reserves
  cosmos.base.v1beta1.Coin reserves_b = 3 [(gogoproto.nullable) = false];
  // total_shares is the total distrubuted shares of the pool
  string total_shares = 4 [
    (cosmos_proto.scalar) = "cosmos.Int",
    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int",
    (gogoproto.nullable) = false
  ];
}

// ShareRecord stores the shares owned for a depositor and pool
message ShareRecord {
  // depositor represents the owner of the shares
  bytes depositor = 1 [
    (cosmos_proto.scalar) = "cosmos.AddressBytes",
    (gogoproto.casttype) = "github.com/cosmos/cosmos-sdk/types.AccAddress"
  ];
  // pool_id represents the pool the shares belong to
  string pool_id = 2 [(gogoproto.customname) = "PoolID"];
  // shares_owned represents the number of shares owned by depsoitor for the pool_id
  string shares_owned = 3 [
    (cosmos_proto.scalar) = "cosmos.Int",
    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int",
    (gogoproto.nullable) = false
  ];
}