feat: add cross-chain output (#56)

[bytom/vapor.git] / protocol / bc / intrachain_output.go

diff --git a/protocol/bc/intrachain_output.go b/protocol/bc/intrachain_output.go
new file mode 100644 (file)
index 0000000..18f457e
--- /dev/null
+++ b/protocol/bc/intrachain_output.go
@@ -0,0 +1,24 @@
+package bc
+
+import "io"
+
+// IntraChainOutput is the result of a transfer of value. The value it contains
+// may be accessed by a later Spend entry (if that entry can satisfy
+// the Output's ControlProgram). IntraChainOutput satisfies the Entry interface.
+//
+// (Not to be confused with the deprecated type TxOutput.)
+
+func (IntraChainOutput) typ() string { return "intrachainoutput1" }
+func (o *IntraChainOutput) writeForHash(w io.Writer) {
+       mustWriteForHash(w, o.Source)
+       mustWriteForHash(w, o.ControlProgram)
+}
+
+// NewIntraChainOutput creates a new IntraChainOutput.
+func NewIntraChainOutput(source *ValueSource, controlProgram *Program, ordinal uint64) *IntraChainOutput {
+       return &IntraChainOutput{
+               Source:         source,
+               ControlProgram: controlProgram,
+               Ordinal:        ordinal,
+       }
+}