mirror of
https://github.com/nspcc-dev/neo-go.git
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81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
package state
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import (
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"errors"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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)
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// NotificationEvent is a tuple of scripthash that emitted the Item as a
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// notification and that item itself.
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type NotificationEvent struct {
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ScriptHash util.Uint160
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Name string
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Item *stackitem.Array
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}
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// AppExecResult represent the result of the script execution, gathering together
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// all resulting notifications, state, stack and other metadata.
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type AppExecResult struct {
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TxHash util.Uint256
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Trigger trigger.Type
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VMState vm.State
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GasConsumed int64
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Stack []stackitem.Item
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Events []NotificationEvent
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}
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// EncodeBinary implements the Serializable interface.
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func (ne *NotificationEvent) EncodeBinary(w *io.BinWriter) {
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ne.ScriptHash.EncodeBinary(w)
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w.WriteString(ne.Name)
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stackitem.EncodeBinaryStackItem(ne.Item, w)
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}
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// DecodeBinary implements the Serializable interface.
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func (ne *NotificationEvent) DecodeBinary(r *io.BinReader) {
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ne.ScriptHash.DecodeBinary(r)
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ne.Name = r.ReadString()
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item := stackitem.DecodeBinaryStackItem(r)
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if r.Err != nil {
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return
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}
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arr, ok := item.Value().([]stackitem.Item)
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if !ok {
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r.Err = errors.New("Array or Struct expected")
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return
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}
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ne.Item = stackitem.NewArray(arr)
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}
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// EncodeBinary implements the Serializable interface.
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func (aer *AppExecResult) EncodeBinary(w *io.BinWriter) {
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w.WriteBytes(aer.TxHash[:])
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w.WriteB(byte(aer.Trigger))
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w.WriteB(byte(aer.VMState))
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w.WriteU64LE(uint64(aer.GasConsumed))
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stackitem.EncodeBinaryStackItem(stackitem.NewArray(aer.Stack), w)
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w.WriteArray(aer.Events)
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}
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// DecodeBinary implements the Serializable interface.
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func (aer *AppExecResult) DecodeBinary(r *io.BinReader) {
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r.ReadBytes(aer.TxHash[:])
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aer.Trigger = trigger.Type(r.ReadB())
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aer.VMState = vm.State(r.ReadB())
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aer.GasConsumed = int64(r.ReadU64LE())
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item := stackitem.DecodeBinaryStackItem(r)
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if r.Err == nil {
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arr, ok := item.Value().([]stackitem.Item)
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if !ok {
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r.Err = errors.New("array expected")
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return
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}
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aer.Stack = arr
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}
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r.ReadArray(&aer.Events)
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}
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