/
security.go
76 lines (63 loc) · 2.14 KB
/
security.go
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package keeper
import (
"encoding/binary"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/jim380/Re/x/fix/types"
)
// GetSecurityCount get the total number of security
func (k Keeper) GetSecurityCount(ctx sdk.Context) uint64 {
store := prefix.NewStore(ctx.KVStore(k.storeKey), []byte{})
byteKey := types.GetSecurityCountKey()
bz := store.Get(byteKey)
// Count doesn't exist: no element
if bz == nil {
return 0
}
// Parse bytes
return binary.BigEndian.Uint64(bz)
}
// SetSecurityCount set the total number of security
func (k Keeper) SetSecurityCount(ctx sdk.Context, count uint64) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), []byte{})
byteKey := types.GetSecurityCountKey()
bz := make([]byte, 8)
binary.BigEndian.PutUint64(bz, count)
store.Set(byteKey, bz)
}
// SetSecurity set a specific security in the store
func (k Keeper) SetSecurity(ctx sdk.Context, securityReqID string, security types.Security) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.GetSecurityKey())
key := []byte(securityReqID)
b := k.cdc.MustMarshal(&security)
store.Set(key, b)
}
// GetSecurity returns a security from its id
func (k Keeper) GetSecurity(ctx sdk.Context, securityReqID string) (val types.Security, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.GetSecurityKey())
key := []byte(securityReqID)
b := store.Get(key)
if b == nil {
return val, false
}
k.cdc.MustUnmarshal(b, &val)
return val, true
}
// RemoveSecurity removes a security from the store
func (k Keeper) RemoveSecurity(ctx sdk.Context, securityReqID string) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.GetSecurityKey())
key := []byte(securityReqID)
store.Delete(key)
}
// GetAllSecurity returns all security
func (k Keeper) GetAllSecurity(ctx sdk.Context) (list []types.Security) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.GetSecurityKey())
iterator := sdk.KVStorePrefixIterator(store, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var val types.Security
k.cdc.MustUnmarshal(iterator.Value(), &val)
list = append(list, val)
}
return
}