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keys.go
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keys.go
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package types
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/address"
utils "github.com/crescent-network/crescent/v5/types"
)
const (
// ModuleName defines the module name
ModuleName = "exchange"
// StoreKey defines the primary module store key
StoreKey = ModuleName
// RouterKey is the message route for slashing
RouterKey = ModuleName
// QuerierRoute defines the module's query routing key
QuerierRoute = ModuleName
)
var (
LastMarketIdKey = []byte{0x60}
LastOrderIdKey = []byte{0x61}
MarketKeyPrefix = []byte{0x62}
MarketStateKeyPrefix = []byte{0x63}
MarketByDenomsIndexKeyPrefix = []byte{0x64}
OrderKeyPrefix = []byte{0x65}
OrderBookOrderIndexKeyPrefix = []byte{0x66}
OrdersByOrdererIndexKeyPrefix = []byte{0x67}
NumMMOrdersKeyPrefix = []byte{0x68}
)
func GetMarketKey(marketId uint64) []byte {
return utils.Key(MarketKeyPrefix, sdk.Uint64ToBigEndian(marketId))
}
func GetMarketStateKey(marketId uint64) []byte {
return utils.Key(MarketStateKeyPrefix, sdk.Uint64ToBigEndian(marketId))
}
func GetMarketByDenomsIndexKey(baseDenom, quoteDenom string) []byte {
return utils.Key(
MarketByDenomsIndexKeyPrefix,
utils.LengthPrefixString(baseDenom),
[]byte(quoteDenom))
}
func GetOrderKey(orderId uint64) []byte {
return utils.Key(OrderKeyPrefix, sdk.Uint64ToBigEndian(orderId))
}
func GetOrderBookOrderIndexKey(marketId uint64, isBuy bool, price sdk.Dec, orderId uint64) []byte {
if isBuy {
orderId = -orderId
}
return utils.Key(
OrderBookOrderIndexKeyPrefix,
sdk.Uint64ToBigEndian(marketId),
isBuyToBytes(isBuy),
PriceToBytes(price),
sdk.Uint64ToBigEndian(orderId))
}
func GetOrderBookSideIteratorPrefix(marketId uint64, isBuy bool) []byte {
return utils.Key(
OrderBookOrderIndexKeyPrefix,
sdk.Uint64ToBigEndian(marketId),
isBuyToBytes(isBuy))
}
func GetOrderBookSidePriceLimitIteratorPrefix(marketId uint64, isBuy bool, priceLimit sdk.Dec) []byte {
return utils.Key(
OrderBookOrderIndexKeyPrefix,
sdk.Uint64ToBigEndian(marketId),
isBuyToBytes(isBuy),
PriceToBytes(priceLimit))
}
func GetOrdersByMarketIteratorPrefix(marketId uint64) []byte {
return utils.Key(
OrderBookOrderIndexKeyPrefix,
sdk.Uint64ToBigEndian(marketId))
}
func GetOrdersByOrdererIndexKey(ordererAddr sdk.AccAddress, marketId, orderId uint64) []byte {
return utils.Key(
OrdersByOrdererIndexKeyPrefix,
address.MustLengthPrefix(ordererAddr),
sdk.Uint64ToBigEndian(marketId),
sdk.Uint64ToBigEndian(orderId))
}
func GetOrdersByOrdererIteratorPrefix(ordererAddr sdk.AccAddress) []byte {
return utils.Key(OrdersByOrdererIndexKeyPrefix, address.MustLengthPrefix(ordererAddr))
}
func GetOrdersByOrdererAndMarketIteratorPrefix(ordererAddr sdk.AccAddress, marketId uint64) []byte {
return utils.Key(
OrdersByOrdererIndexKeyPrefix,
address.MustLengthPrefix(ordererAddr),
sdk.Uint64ToBigEndian(marketId))
}
func GetNumMMOrdersKey(ordererAddr sdk.AccAddress, marketId uint64) []byte {
return utils.Key(
NumMMOrdersKeyPrefix,
address.MustLengthPrefix(ordererAddr),
sdk.Uint64ToBigEndian(marketId))
}
func ParseMarketByDenomsIndexKey(key []byte) (baseDenom, quoteDenom string) {
baseDenomLen := key[1]
baseDenom = string(key[2 : 2+baseDenomLen])
quoteDenom = string(key[2+baseDenomLen:])
return
}
func ParseOrderIdFromOrderBookOrderIndexKey(key []byte) (orderId uint64) {
isBuy := key[1+8] == 0
orderId = sdk.BigEndianToUint64(key[1+8+1+32:])
if isBuy {
orderId = -orderId
}
return
}
func ParsePriceFromOrderBookOrderIndexKey(key []byte) (price sdk.Dec) {
price = BytesToPrice(key[1+8+1 : 1+8+1+32])
return
}
func ParseOrderIdFromOrdersByOrdererIndexKey(key []byte) (orderId uint64) {
addrLen := key[1]
orderId = sdk.BigEndianToUint64(key[2+addrLen+8:])
return
}
func ParseNumMMOrdersKey(key []byte) (ordererAddr sdk.AccAddress, marketId uint64) {
addrLen := key[1]
ordererAddr = key[2 : 2+addrLen]
marketId = sdk.BigEndianToUint64(key[2+addrLen:])
return
}
var (
buyBytes = []byte{0}
sellBytes = []byte{1}
)
func isBuyToBytes(isBuy bool) []byte {
if isBuy {
return buyBytes
}
return sellBytes
}