/
oracle.go
76 lines (62 loc) · 1.92 KB
/
oracle.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/rarimo/rarimo-core/x/oraclemanager/types"
)
// SetOracle set a specific oracle in the store from its index
func (k Keeper) SetOracle(ctx sdk.Context, op types.Oracle) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.OracleKeyPrefix))
b := k.cdc.MustMarshal(&op)
store.Set(types.OracleKey(
op.Index,
), b)
}
// GetOracle returns an oracle from its index
func (k Keeper) GetOracle(
ctx sdk.Context,
index *types.OracleIndex,
) (val types.Oracle, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.OracleKeyPrefix))
b := store.Get(types.OracleKey(
index,
))
if b == nil {
return val, false
}
k.cdc.MustUnmarshal(b, &val)
return val, true
}
// RemoveOracle removes an oracle from the store
func (k Keeper) RemoveOracle(
ctx sdk.Context,
index *types.OracleIndex,
) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.OracleKeyPrefix))
store.Delete(types.OracleKey(
index,
))
}
// GetAllOracle returns all oracles
func (k Keeper) GetAllOracle(ctx sdk.Context) (list []types.Oracle) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.OracleKeyPrefix))
iterator := sdk.KVStorePrefixIterator(store, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var val types.Oracle
k.cdc.MustUnmarshal(iterator.Value(), &val)
list = append(list, val)
}
return
}
func (k Keeper) GetOracleForChain(ctx sdk.Context, chain string) (list []types.Oracle) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.OracleKeyPrefix))
iterator := sdk.KVStorePrefixIterator(store, []byte(chain))
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var val types.Oracle
k.cdc.MustUnmarshal(iterator.Value(), &val)
list = append(list, val)
}
return
}