keeper

Documentation

Index

• Variables
• func GetGratestDivisor(a sdk.Int, b sdk.Int) sdk.Int
• func KeyAddressOrders(addr sdk.AccAddress) []byte
• func KeyOrder(orderId uint64) []byte
• func ParamKeyTable() params.KeyTable
• type Keeper
  • func NewKeeper(cdc *codec.Codec, key sdk.StoreKey, paramsKeeper params.Keeper, ...) Keeper
  • func (keeper Keeper) CreateOrder(ctx sdk.Context, seller sdk.AccAddress, supply sdk.Coin, target sdk.Coin) (order types.Order, err sdk.Error)
  • func (keeper Keeper) GetAddressOrders(ctx sdk.Context, addr sdk.AccAddress) (orderIdArr []uint64)
  • func (keeper Keeper) GetFrozenFundByAddr(ctx sdk.Context, addr sdk.AccAddress) (fund sdk.Coins, err sdk.Error)
  • func (keeper Keeper) GetOrder(ctx sdk.Context, orderId uint64) (types.Order, bool)
  • func (keeper Keeper) GetOrdersByAddr(ctx sdk.Context, addr sdk.AccAddress) (orders types.Orders, err sdk.Error)
  • func (keeper Keeper) GetOrdersFiltered(ctx sdk.Context, seller sdk.AccAddress, supplyDenom string, targetDenom string, ...) []types.Order
  • func (keeper Keeper) HasOrder(ctx sdk.Context, orderId uint64) bool
  • func (keeper Keeper) PeekCurrentOrderId(ctx sdk.Context) (orderId uint64, err sdk.Error)
  • func (keeper Keeper) SetAddressOrders(ctx sdk.Context, addr sdk.AccAddress, orderIdArr []uint64)
  • func (keeper Keeper) SetInitialOrderId(ctx sdk.Context, orderId uint64) sdk.Error
  • func (keeper Keeper) SetOrder(ctx sdk.Context, order types.Order)
  • func (keeper Keeper) TakeOrder(ctx sdk.Context, orderId uint64, buyer sdk.AccAddress, val sdk.Coin) (supplyTurnover sdk.Coin, targetTurnover sdk.Coin, soldOut bool, err sdk.Error)
  • func (keeper Keeper) WithdrawalOrder(ctx sdk.Context, orderId uint64, addr sdk.AccAddress) (amt sdk.Coin, err sdk.Error)

Variables

var (
	ParamsStoreKeyExchangeParams = []byte("exchangeparams")

	// TODO: Find another way to implement this without using accounts, or find a cleaner way to implement it using accounts.
	FrozenCoinsAccAddr = sdk.AccAddress(crypto.AddressHash([]byte("exchangeFrozenCoins")))
)

var (
	KeyDelimiter = []byte(":")

	KeyNextOrderId = []byte("newOrderId")
)

Functions

func GetGratestDivisor

func GetGratestDivisor(a sdk.Int, b sdk.Int) sdk.Int

func KeyAddressOrders

func KeyAddressOrders(addr sdk.AccAddress) []byte

Key for getting all orders of a seller from the store

func KeyOrder

func KeyOrder(orderId uint64) []byte

Key for getting a specific order from the store

func ParamKeyTable

func ParamKeyTable() params.KeyTable

Types

type Keeper

type Keeper struct {
	// contains filtered or unexported fields
}

func NewKeeper

func NewKeeper(cdc *codec.Codec, key sdk.StoreKey, paramsKeeper params.Keeper,
	paramSpace params.Subspace, bankKeeper types.BankKeeper, codespace sdk.CodespaceType) Keeper

func (Keeper) CreateOrder

func (keeper Keeper) CreateOrder(ctx sdk.Context, seller sdk.AccAddress,
	supply sdk.Coin, target sdk.Coin) (order types.Order, err sdk.Error)

func (Keeper) GetAddressOrders

func (keeper Keeper) GetAddressOrders(ctx sdk.Context, addr sdk.AccAddress) (orderIdArr []uint64)

func (Keeper) GetFrozenFundByAddr

func (keeper Keeper) GetFrozenFundByAddr(ctx sdk.Context, addr sdk.AccAddress) (fund sdk.Coins, err sdk.Error)

func (Keeper) GetOrder

func (keeper Keeper) GetOrder(ctx sdk.Context, orderId uint64) (types.Order, bool)

Store level

func (Keeper) GetOrdersByAddr

func (keeper Keeper) GetOrdersByAddr(ctx sdk.Context, addr sdk.AccAddress) (orders types.Orders, err sdk.Error)

func (Keeper) GetOrdersFiltered

func (keeper Keeper) GetOrdersFiltered(ctx sdk.Context,
	seller sdk.AccAddress, supplyDenom string, targetDenom string, numLatest uint64) []types.Order

Get Order from store by OrderId seller will filter orders by creator supplyDenom will filter orders by supply token denom targetDenom will filter orders by target token denom numLatest will fetch a specified number of the most recent orders, or 0 for all orders

func (Keeper) HasOrder

func (keeper Keeper) HasOrder(ctx sdk.Context, orderId uint64) bool

func (Keeper) PeekCurrentOrderId

func (keeper Keeper) PeekCurrentOrderId(ctx sdk.Context) (orderId uint64, err sdk.Error)

Peeks the next available orderId without incrementing it

func (Keeper) SetAddressOrders

func (keeper Keeper) SetAddressOrders(ctx sdk.Context, addr sdk.AccAddress, orderIdArr []uint64)

func (Keeper) SetInitialOrderId

func (keeper Keeper) SetInitialOrderId(ctx sdk.Context, orderId uint64) sdk.Error

Set the initial order ID

func (Keeper) SetOrder

func (keeper Keeper) SetOrder(ctx sdk.Context, order types.Order)

func (Keeper) TakeOrder

func (keeper Keeper) TakeOrder(ctx sdk.Context, orderId uint64, buyer sdk.AccAddress, val sdk.Coin) (supplyTurnover sdk.Coin,
	targetTurnover sdk.Coin, soldOut bool, err sdk.Error)

func (Keeper) WithdrawalOrder

func (keeper Keeper) WithdrawalOrder(ctx sdk.Context, orderId uint64, addr sdk.AccAddress) (amt sdk.Coin, err sdk.Error)