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keeper.go
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keeper.go
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package keepers
import (
"bytes"
"errors"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/cosmos/cosmos-sdk/x/params"
"github.com/coinexchain/cet-sdk/modules/asset"
"github.com/coinexchain/cet-sdk/modules/market/internal/types"
"github.com/coinexchain/cet-sdk/msgqueue"
dex "github.com/coinexchain/cet-sdk/types"
)
type QueryMarketInfoAndParams interface {
GetParams(ctx sdk.Context) types.Params
GetMarketVolume(ctx sdk.Context, stock, money string, stockVolume, moneyVolume sdk.Dec) sdk.Dec
}
type Keeper struct {
paramSubspace params.Subspace
marketKey sdk.StoreKey
cdc *codec.Codec
axk types.ExpectedAssetStatusKeeper
bnk types.ExpectedBankxKeeper
ock *OrderCleanUpDayKeeper
gmk GlobalMarketInfoKeeper
msgProducer msgqueue.MsgSender
ak auth.AccountKeeper
authX types.ExpectedAuthXKeeper
}
func NewKeeper(key sdk.StoreKey, axkVal types.ExpectedAssetStatusKeeper,
bnkVal types.ExpectedBankxKeeper, cdcVal *codec.Codec,
msgKeeperVal msgqueue.MsgSender, paramstore params.Subspace,
ak auth.AccountKeeper, authX types.ExpectedAuthXKeeper) Keeper {
return Keeper{
paramSubspace: paramstore.WithKeyTable(types.ParamKeyTable()),
marketKey: key,
cdc: cdcVal,
axk: axkVal,
bnk: bnkVal,
ock: NewOrderCleanUpDayKeeper(key),
gmk: NewGlobalMarketInfoKeeper(key, cdcVal),
msgProducer: msgKeeperVal,
ak: ak,
authX: authX,
}
}
func (k Keeper) GetMarketsWithNewlyAddedOrder(ctx sdk.Context) []string {
store := ctx.KVStore(k.marketKey)
iter := store.Iterator(NewlyAddedKeyPrefix, NewlyAddedKeyEnd)
res := make([]string, 0, 100)
defer iter.Close()
for ; iter.Valid(); iter.Next() {
key := iter.Key()
res = append(res, string(key[1:]))
}
return res
}
func (k Keeper) QuerySeqWithAddr(ctx sdk.Context, addr sdk.AccAddress) (uint64, sdk.Error) {
acc := k.ak.GetAccount(ctx, addr)
if acc != nil {
return acc.GetSequence(), nil
}
return 0, sdk.ErrUnknownAddress("account does not exist")
}
func (k Keeper) GetToken(ctx sdk.Context, symbol string) asset.Token {
return k.axk.GetToken(ctx, symbol)
}
func (k Keeper) HasCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) bool {
return k.bnk.HasCoins(ctx, addr, amt)
}
func (k Keeper) FreezeCoins(ctx sdk.Context, acc sdk.AccAddress, amt sdk.Coins) sdk.Error {
return k.bnk.FreezeCoins(ctx, acc, amt)
}
func (k Keeper) SubtractCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) sdk.Error {
return k.bnk.SubtractCoins(ctx, addr, amt)
}
func (k Keeper) DeductInt64CetFee(ctx sdk.Context, addr sdk.AccAddress, amt int64) sdk.Error {
return k.bnk.DeductInt64CetFee(ctx, addr, amt)
}
func (k Keeper) SendCoins(ctx sdk.Context, from sdk.AccAddress, to sdk.AccAddress, amt sdk.Coins) sdk.Error {
return k.bnk.SendCoins(ctx, from, to, amt)
}
func (k Keeper) UnFreezeCoins(ctx sdk.Context, acc sdk.AccAddress, amt sdk.Coins) sdk.Error {
return k.bnk.UnFreezeCoins(ctx, acc, amt)
}
func (k Keeper) IsTokenIssuer(ctx sdk.Context, denom string, addr sdk.AccAddress) bool {
return k.axk.IsTokenIssuer(ctx, denom, addr)
}
func (k Keeper) IsTokenExists(ctx sdk.Context, symbol string) bool {
return k.axk.IsTokenExists(ctx, symbol)
}
func (k Keeper) IsSubScribed(topic string) bool {
return k.msgProducer.IsSubscribed(topic)
}
func (k Keeper) IsForbiddenByTokenIssuer(ctx sdk.Context, denom string, addr sdk.AccAddress) bool {
return k.axk.IsForbiddenByTokenIssuer(ctx, denom, addr)
}
func (k Keeper) IsTokenForbidden(ctx sdk.Context, symbol string) bool {
return k.axk.IsTokenForbidden(ctx, symbol)
}
func (k Keeper) GetOrderCleanTime(ctx sdk.Context) int64 {
return k.ock.GetUnixTime(ctx)
}
func (k Keeper) SetOrderCleanTime(ctx sdk.Context, t int64) {
k.ock.SetUnixTime(ctx, t)
}
func (k Keeper) GetMsgProducer() msgqueue.MsgSender {
return k.msgProducer
}
func (k Keeper) GetBankxKeeper() types.ExpectedBankxKeeper {
return k.bnk
}
func (k Keeper) GetAssetKeeper() types.ExpectedAssetStatusKeeper {
return k.axk
}
func (k Keeper) GetMarketKey() sdk.StoreKey {
return k.marketKey
}
func (k Keeper) GetRefereeAddr(ctx sdk.Context, accAddr sdk.AccAddress) sdk.AccAddress {
acc := k.authX.GetRefereeAddr(ctx, accAddr)
if len(acc) == 0 {
return nil
}
return acc
}
func (k Keeper) GetRebateRatio(ctx sdk.Context) int64 {
return k.authX.GetRebateRatio(ctx)
}
func (k Keeper) GetRebateRatioBase(ctx sdk.Context) int64 {
return k.authX.GetRebateRatioBase(ctx)
}
// -----------------------------------------------------------------------------
// Params
// SetParams sets the asset module's parameters.
func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
k.paramSubspace.SetParamSet(ctx, ¶ms)
}
// GetParams gets the asset module's parameters.
func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
k.paramSubspace.GetParamSet(ctx, ¶ms)
return
}
func (k Keeper) GetMarketFeeMin(ctx sdk.Context) int64 {
return k.GetParams(ctx).MarketFeeMin
}
// -----------------------------------------------------------------------------
// Order
// SetOrder implements token Keeper.
func (k Keeper) SetOrder(ctx sdk.Context, order *types.Order) sdk.Error {
return NewOrderKeeper(k.marketKey, order.TradingPair, k.cdc).Add(ctx, order)
}
func (k Keeper) GetAllOrders(ctx sdk.Context) []*types.Order {
return NewGlobalOrderKeeper(k.marketKey, k.cdc).GetAllOrders(ctx)
}
// -----------------------------------------------
// market info
func (k Keeper) SetMarket(ctx sdk.Context, info types.MarketInfo) sdk.Error {
return k.gmk.SetMarket(ctx, info)
}
func (k Keeper) RemoveMarket(ctx sdk.Context, symbol string) sdk.Error {
return k.gmk.RemoveMarket(ctx, symbol)
}
func (k Keeper) GetAllMarketInfos(ctx sdk.Context) []types.MarketInfo {
return k.gmk.GetAllMarketInfos(ctx)
}
func (k Keeper) MarketCountOfStock(ctx sdk.Context, stock string) int64 {
return k.gmk.MarketCountOfStock(ctx, stock)
}
func (k Keeper) GetMarketInfo(ctx sdk.Context, symbol string) (types.MarketInfo, error) {
return k.gmk.GetMarketInfo(ctx, symbol)
}
func (k Keeper) SubtractFeeAndCollectFee(ctx sdk.Context, addr sdk.AccAddress, amt int64) sdk.Error {
return k.bnk.DeductInt64CetFee(ctx, addr, amt)
}
func (k Keeper) MarketOwner(ctx sdk.Context, info types.MarketInfo) sdk.AccAddress {
return k.axk.GetToken(ctx, info.Stock).GetOwner()
}
func (k *Keeper) GetMarketLastExePrice(ctx sdk.Context, symbol string) (sdk.Dec, error) {
mi, err := k.GetMarketInfo(ctx, symbol)
if err != nil {
return sdk.ZeroDec(), err
}
return mi.LastExecutedPrice, err
}
func (k Keeper) GetMarketVolume(ctx sdk.Context, stock, money string, stockVolume, moneyVolume sdk.Dec) sdk.Dec {
volume := sdk.ZeroDec()
if stock == dex.CET {
volume = stockVolume
} else if money == dex.CET {
volume = moneyVolume
} else if marketInfo, err := k.GetMarketInfo(ctx, dex.GetSymbol(dex.CET, money)); err == nil {
if marketInfo.LastExecutedPrice.IsZero() {
return volume
}
volume = moneyVolume.Quo(marketInfo.LastExecutedPrice)
} else if marketInfo, err := k.GetMarketInfo(ctx, dex.GetSymbol(dex.CET, stock)); err == nil {
if marketInfo.LastExecutedPrice.IsZero() {
return volume
}
volume = stockVolume.Quo(marketInfo.LastExecutedPrice)
} else if marketInfo, err := k.GetMarketInfo(ctx, dex.GetSymbol(money, dex.CET)); err == nil {
volume = moneyVolume.Mul(marketInfo.LastExecutedPrice)
} else if marketInfo, err := k.GetMarketInfo(ctx, dex.GetSymbol(stock, dex.CET)); err == nil {
volume = stockVolume.Mul(marketInfo.LastExecutedPrice)
}
return volume
}
func (k *Keeper) IsMarketExist(ctx sdk.Context, symbol string) bool {
_, err := k.GetMarketInfo(ctx, symbol)
return err == nil
}
// -----------------------------------------------------------------------------
type GlobalMarketInfoKeeper interface {
SetMarket(ctx sdk.Context, info types.MarketInfo) sdk.Error
RemoveMarket(ctx sdk.Context, symbol string) sdk.Error
GetAllMarketInfos(ctx sdk.Context) []types.MarketInfo
MarketCountOfStock(ctx sdk.Context, stock string) int64
GetMarketInfo(ctx sdk.Context, symbol string) (types.MarketInfo, error)
}
type PersistentMarketInfoKeeper struct {
marketKey sdk.StoreKey
cdc *codec.Codec
}
func NewGlobalMarketInfoKeeper(key sdk.StoreKey, cdcVal *codec.Codec) GlobalMarketInfoKeeper {
return PersistentMarketInfoKeeper{
marketKey: key,
cdc: cdcVal,
}
}
// SetMarket implements token Keeper.
func (k PersistentMarketInfoKeeper) SetMarket(ctx sdk.Context, info types.MarketInfo) sdk.Error {
store := ctx.KVStore(k.marketKey)
bz, err := k.cdc.MarshalBinaryBare(info)
if err != nil {
return sdk.ErrInternal(err.Error())
}
store.Set(marketStoreKey(MarketIdentifierPrefix, info.GetSymbol()), bz)
return nil
}
func (k PersistentMarketInfoKeeper) RemoveMarket(ctx sdk.Context, symbol string) sdk.Error {
store := ctx.KVStore(k.marketKey)
key := marketStoreKey(MarketIdentifierPrefix, symbol)
value := store.Get(key)
if value != nil {
store.Delete(key)
}
return nil
}
func (k PersistentMarketInfoKeeper) GetAllMarketInfos(ctx sdk.Context) []types.MarketInfo {
var infos []types.MarketInfo
appendMarket := func(order types.MarketInfo) (stop bool) {
infos = append(infos, order)
return false
}
k.iterateMarket(ctx, appendMarket)
return infos
}
func (k PersistentMarketInfoKeeper) MarketCountOfStock(ctx sdk.Context, stock string) (count int64) {
store := ctx.KVStore(k.marketKey)
key := marketStoreKey(MarketIdentifierPrefix, stock, types.SymbolSeparator)
iter := sdk.KVStorePrefixIterator(store, key)
defer iter.Close()
for {
if !iter.Valid() {
return
}
count++
iter.Next()
}
}
func (k PersistentMarketInfoKeeper) iterateMarket(ctx sdk.Context, process func(info types.MarketInfo) bool) {
store := ctx.KVStore(k.marketKey)
iter := sdk.KVStorePrefixIterator(store, MarketIdentifierPrefix)
defer iter.Close()
for {
if !iter.Valid() {
return
}
val := iter.Value()
if process(k.decodeMarket(val)) {
return
}
iter.Next()
}
}
func (k PersistentMarketInfoKeeper) GetMarketInfo(ctx sdk.Context, symbol string) (info types.MarketInfo, err error) {
store := ctx.KVStore(k.marketKey)
value := store.Get(marketStoreKey(MarketIdentifierPrefix, symbol))
if len(value) == 0 {
err = errors.New("No such market exist: " + symbol)
return
}
err = k.cdc.UnmarshalBinaryBare(value, &info)
return
}
func (k PersistentMarketInfoKeeper) decodeMarket(bz []byte) (info types.MarketInfo) {
if err := k.cdc.UnmarshalBinaryBare(bz, &info); err != nil {
panic(err)
}
return
}
func marketStoreKey(prefix []byte, params ...string) []byte {
buf := bytes.NewBuffer(prefix)
for _, param := range params {
if _, err := buf.Write([]byte(param)); err != nil {
panic(err)
}
}
return buf.Bytes()
}