pkg: hide it by moving to _pkg.dev

The idea here is to preserve the history of `dev` branch development and its
code when merging with the `master`. Later this code could be moved into the
masters code where appropriate.

_pkg.dev/wire/payload/transaction/state.go

@@ -0,0 +1,43 @@
+package transaction
+
+import (
+	"github.com/CityOfZion/neo-go/pkg/wire/payload/transaction/types"
+	"github.com/CityOfZion/neo-go/pkg/wire/payload/transaction/version"
+	"github.com/CityOfZion/neo-go/pkg/wire/util"
+)
+
+//StateTX represents a state transaction on the neo network
+// XXX: TX postfix here as `state` is ambiguous. We can remove it for consistency
+type StateTX struct {
+	*Base
+	Descriptors []*StateDescriptor
+}
+
+//NewStateTX returns a state transaction
+func NewStateTX(ver version.TX) *StateTX {
+	basicTrans := createBaseTransaction(types.State, ver)
+
+	StateTX := &StateTX{}
+	StateTX.Base = basicTrans
+	StateTX.encodeExclusive = StateTX.encodeExcl
+	StateTX.decodeExclusive = StateTX.decodeExcl
+	return StateTX
+}
+
+func (s *StateTX) encodeExcl(bw *util.BinWriter) {
+
+	bw.VarUint(uint64(len(s.Descriptors)))
+	for _, desc := range s.Descriptors {
+		desc.Encode(bw)
+	}
+}
+
+func (s *StateTX) decodeExcl(br *util.BinReader) {
+	lenDesc := br.VarUint()
+
+	s.Descriptors = make([]*StateDescriptor, lenDesc)
+	for i := 0; i < int(lenDesc); i++ {
+		s.Descriptors[i] = &StateDescriptor{}
+		s.Descriptors[i].Decode(br)
+	}
+}