mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-26 19:42:23 +00:00
100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
package result
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import (
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"encoding/json"
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"errors"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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)
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// Invoke represents code invocation result and is used by several RPC calls
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// that invoke functions, scripts and generic bytecode. Transaction is
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// represented in raw serialized format, use transaction.NewTransactionFromBytes
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// or GetTransaction method to deserialize it.
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type Invoke struct {
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State string
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GasConsumed int64
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Script []byte
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Stack []stackitem.Item
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FaultException string
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// Transaction represents transaction bytes. Use GetTransaction method to decode it.
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Transaction []byte
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}
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type invokeAux struct {
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State string `json:"state"`
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GasConsumed fixedn.Fixed8 `json:"gasconsumed,string"`
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Script []byte `json:"script"`
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Stack json.RawMessage `json:"stack"`
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FaultException string `json:"exception,omitempty"`
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Transaction []byte `json:"tx,omitempty"`
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}
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// MarshalJSON implements json.Marshaler.
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func (r Invoke) MarshalJSON() ([]byte, error) {
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var st json.RawMessage
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arr := make([]json.RawMessage, len(r.Stack))
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for i := range arr {
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data, err := stackitem.ToJSONWithTypes(r.Stack[i])
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if err != nil {
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st = []byte(`"error: recursive reference"`)
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break
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}
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arr[i] = data
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}
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var err error
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if st == nil {
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st, err = json.Marshal(arr)
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if err != nil {
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return nil, err
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}
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}
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return json.Marshal(&invokeAux{
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GasConsumed: fixedn.Fixed8(r.GasConsumed),
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Script: r.Script,
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State: r.State,
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Stack: st,
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FaultException: r.FaultException,
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Transaction: r.Transaction,
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})
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}
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// UnmarshalJSON implements json.Unmarshaler.
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func (r *Invoke) UnmarshalJSON(data []byte) error {
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aux := new(invokeAux)
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if err := json.Unmarshal(data, aux); err != nil {
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return err
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}
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var arr []json.RawMessage
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if err := json.Unmarshal(aux.Stack, &arr); err == nil {
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st := make([]stackitem.Item, len(arr))
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for i := range arr {
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st[i], err = stackitem.FromJSONWithTypes(arr[i])
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if err != nil {
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break
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}
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}
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if err == nil {
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r.Stack = st
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}
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}
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r.GasConsumed = int64(aux.GasConsumed)
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r.Script = aux.Script
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r.State = aux.State
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r.FaultException = aux.FaultException
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r.Transaction = aux.Transaction
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return nil
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}
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// GetTransaction returns decoded transaction from Invoke.Transaction bytes.
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func (r *Invoke) GetTransaction(magic netmode.Magic) (*transaction.Transaction, error) {
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if r.Transaction == nil {
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return nil, errors.New("empty transaction")
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}
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return transaction.NewTransactionFromBytes(magic, r.Transaction)
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}
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