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https://github.com/nspcc-dev/neo-go.git
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84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
package result
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import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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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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)
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// ApplicationLog represent the results of the script executions for a block or a transaction.
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type ApplicationLog struct {
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Container util.Uint256
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IsTransaction bool
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Executions []state.Execution
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}
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// applicationLogAux is an auxiliary struct for ApplicationLog JSON marshalling.
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type applicationLogAux struct {
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TxHash *util.Uint256 `json:"txid,omitempty"`
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BlockHash *util.Uint256 `json:"blockhash,omitempty"`
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Executions []json.RawMessage `json:"executions"`
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}
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// MarshalJSON implements the json.Marshaler interface.
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func (l ApplicationLog) MarshalJSON() ([]byte, error) {
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result := &applicationLogAux{
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Executions: make([]json.RawMessage, len(l.Executions)),
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}
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if l.IsTransaction {
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result.TxHash = &l.Container
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} else {
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result.BlockHash = &l.Container
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}
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var err error
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for i := range result.Executions {
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result.Executions[i], err = json.Marshal(l.Executions[i])
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if err != nil {
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return nil, fmt.Errorf("failed to marshal execution #%d: %w", i, err)
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}
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}
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return json.Marshal(result)
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}
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// UnmarshalJSON implements the json.Unmarshaler interface.
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func (l *ApplicationLog) UnmarshalJSON(data []byte) error {
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aux := new(applicationLogAux)
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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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if aux.TxHash != nil {
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l.Container = *aux.TxHash
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} else if aux.BlockHash != nil {
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l.Container = *aux.BlockHash
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} else {
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return errors.New("no block or transaction hash")
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}
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l.Executions = make([]state.Execution, len(aux.Executions))
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for i := range l.Executions {
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err := json.Unmarshal(aux.Executions[i], &l.Executions[i])
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if err != nil {
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return fmt.Errorf("failed to unmarshal execution #%d: %w", i, err)
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}
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}
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return nil
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}
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// NewApplicationLog creates an ApplicationLog from a set of several application execution results
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// including only the results with the specified trigger.
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func NewApplicationLog(hash util.Uint256, aers []state.AppExecResult, trig trigger.Type) ApplicationLog {
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result := ApplicationLog{
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Container: hash,
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IsTransaction: aers[0].Trigger == trigger.Application,
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}
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for _, aer := range aers {
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if aer.Trigger&trig != 0 {
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result.Executions = append(result.Executions, aer.Execution)
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}
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}
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return result
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}
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