/
introspection.go
125 lines (108 loc) · 2.12 KB
/
introspection.go
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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)
}