X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;ds=sidebyside;f=vendor%2Fgithub.com%2Fbytom%2Fprotocol%2Fvm%2Fintrospection.go;fp=vendor%2Fgithub.com%2Fbytom%2Fprotocol%2Fvm%2Fintrospection.go;h=72aaab0814a2792d1e397f4be663b891536b7119;hb=54373c1a3efe0e373ec1605840a4363e4b246c46;hp=0000000000000000000000000000000000000000;hpb=ee01d543fdfe1fd0a4d548965c66f7923ea7b062;p=bytom%2Fvapor.git

diff --git a/vendor/github.com/bytom/protocol/vm/introspection.go b/vendor/github.com/bytom/protocol/vm/introspection.go
new file mode 100644
index 00000000..72aaab08
--- /dev/null
+++ b/vendor/github.com/bytom/protocol/vm/introspection.go
@@ -0,0 +1,125 @@
+package vm
+
+func opCheckOutput(vm *virtualMachine) error {
+	err := vm.applyCost(16)
+	if err != nil {
+		return err
+	}
+
+	code, err := vm.pop(true)
+	if err != nil {
+		return err
+	}
+	vmVersion, err := vm.popInt64(true)
+	if err != nil {
+		return err
+	}
+	if vmVersion < 0 {
+		return ErrBadValue
+	}
+	assetID, err := vm.pop(true)
+	if err != nil {
+		return err
+	}
+	amount, err := vm.popInt64(true)
+	if err != nil {
+		return err
+	}
+	if amount < 0 {
+		return ErrBadValue
+	}
+	index, err := vm.popInt64(true)
+	if err != nil {
+		return err
+	}
+	if index < 0 {
+		return ErrBadValue
+	}
+
+	if vm.context.CheckOutput == nil {
+		return ErrContext
+	}
+
+	ok, err := vm.context.CheckOutput(uint64(index), uint64(amount), assetID, uint64(vmVersion), code, vm.expansionReserved)
+	if err != nil {
+		return err
+	}
+	return vm.pushBool(ok, true)
+}
+
+func opAsset(vm *virtualMachine) error {
+	err := vm.applyCost(1)
+	if err != nil {
+		return err
+	}
+
+	if vm.context.AssetID == nil {
+		return ErrContext
+	}
+	return vm.push(*vm.context.AssetID, true)
+}
+
+func opAmount(vm *virtualMachine) error {
+	err := vm.applyCost(1)
+	if err != nil {
+		return err
+	}
+
+	if vm.context.Amount == nil {
+		return ErrContext
+	}
+	return vm.pushInt64(int64(*vm.context.Amount), true)
+}
+
+func opProgram(vm *virtualMachine) error {
+	err := vm.applyCost(1)
+	if err != nil {
+		return err
+	}
+
+	return vm.push(vm.context.Code, true)
+}
+
+func opIndex(vm *virtualMachine) error {
+	err := vm.applyCost(1)
+	if err != nil {
+		return err
+	}
+
+	if vm.context.DestPos == nil {
+		return ErrContext
+	}
+	return vm.pushInt64(int64(*vm.context.DestPos), true)
+}
+
+func opEntryID(vm *virtualMachine) error {
+	err := vm.applyCost(1)
+	if err != nil {
+		return err
+	}
+	return vm.push(vm.context.EntryID, true)
+}
+
+func opOutputID(vm *virtualMachine) error {
+	err := vm.applyCost(1)
+	if err != nil {
+		return err
+	}
+
+	if vm.context.SpentOutputID == nil {
+		return ErrContext
+	}
+	return vm.push(*vm.context.SpentOutputID, true)
+}
+
+func opBlockHeight(vm *virtualMachine) error {
+	err := vm.applyCost(1)
+	if err != nil {
+		return err
+	}
+
+	if vm.context.BlockHeight == nil {
+		return ErrContext
+	}
+	return vm.pushInt64(int64(*vm.context.BlockHeight), true)
+}