/
query.go
44 lines (40 loc) · 1.1 KB
/
query.go
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package executor
import (
"github.com/33cn/chain33/types"
types2 "github.com/33cn/plugin/plugin/dapp/wasm/types"
)
func (w *Wasm) Query_Check(query *types2.QueryCheckContract) (types.Message, error) {
if query == nil {
return nil, types.ErrInvalidParam
}
_, err := w.GetStateDB().Get(contractKey(query.Name))
if err == nil {
return &types.Reply{IsOk: true}, nil
}
if err == types.ErrNotFound {
return &types.Reply{}, nil
}
return nil, err
}
func (w *Wasm) Query_QueryStateDB(query *types2.QueryContractDB) (types.Message, error) {
if query == nil {
return nil, types.ErrInvalidParam
}
key := append(calcStatePrefix(query.Contract), query.Key...)
v, err := w.GetStateDB().Get(key)
if err != nil {
return nil, err
}
return &types.ReplyString{Data: string(v)}, nil
}
func (w *Wasm) Query_QueryLocalDB(query *types2.QueryContractDB) (types.Message, error) {
if query == nil {
return nil, types.ErrInvalidParam
}
key := append(calcLocalPrefix(query.Contract), query.Key...)
v, err := w.GetLocalDB().Get(key)
if err != nil {
return nil, err
}
return &types.ReplyString{Data: string(v)}, nil
}