DNF90 服务端与启动器完整源码（含 GM 工具功能增强）
服务端（Go）： - GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面 - GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新 - 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新） - 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍 - 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0） - 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算 启动器（Python/JS）： - 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭 - GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐） - 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错
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package admincmdqueue
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import (
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"context"
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"strings"
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"time"
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"longheng.io/server/internal/platform/admincmd"
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"longheng.io/server/internal/platform/eventlog"
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)
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var (
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ErrEventLogRequired = errors.New("admin command eventlog is required")
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ErrIdempotencyConflict = errors.New("admin command idempotency key conflicts with an existing command")
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ErrInvalidCommandEvent = errors.New("admin command event payload is invalid")
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ErrCommandHandlerNeeded = errors.New("admin command handler is required")
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)
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const (
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DefaultStream = "admin.command"
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ReceiptStatusAccepted = "accepted"
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ReceiptStatusProcessing = "processing"
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ReceiptStatusSucceeded = "succeeded"
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ReceiptStatusFailed = "failed"
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ReceiptStatusDeadLetter = "dead_letter"
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)
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type ExecutorOptions struct {
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Log *eventlog.Log
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Stream string
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Now func() time.Time
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}
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type Executor struct {
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log *eventlog.Log
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stream string
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now func() time.Time
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}
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type SubmitResult struct {
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Receipt admincmd.Receipt `json:"receipt"`
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Event eventlog.Event `json:"event"`
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Duplicate bool `json:"duplicate"`
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}
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type CommandEnvelope struct {
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Command admincmd.Command `json:"command"`
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Receipt admincmd.Receipt `json:"receipt"`
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CommandHash string `json:"command_hash"`
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}
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type Handler interface {
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ExecuteAdminCommand(context.Context, admincmd.Command) error
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}
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type HandlerFunc func(context.Context, admincmd.Command) error
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func (fn HandlerFunc) ExecuteAdminCommand(ctx context.Context, command admincmd.Command) error {
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if fn == nil {
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return ErrCommandHandlerNeeded
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}
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return fn(ctx, command)
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}
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func NewExecutor(options ExecutorOptions) (*Executor, error) {
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if options.Log == nil {
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return nil, ErrEventLogRequired
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}
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stream := strings.TrimSpace(options.Stream)
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if stream == "" {
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stream = DefaultStream
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}
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now := options.Now
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if now == nil {
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now = time.Now
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}
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return &Executor{log: options.Log, stream: stream, now: now}, nil
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}
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func (e *Executor) Submit(ctx context.Context, command admincmd.Command, policy admincmd.Policy) (SubmitResult, error) {
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if e == nil || e.log == nil {
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return SubmitResult{}, ErrEventLogRequired
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}
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command = admincmd.Normalize(command)
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if err := admincmd.Validate(command, policy); err != nil {
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return SubmitResult{}, err
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}
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receipt, err := admincmd.NewReceipt(command, ReceiptStatusAccepted, e.now())
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if err != nil {
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return SubmitResult{}, err
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}
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commandHash, err := CommandHash(command)
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if err != nil {
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return SubmitResult{}, err
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}
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envelope := CommandEnvelope{
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Command: command,
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Receipt: receipt,
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CommandHash: commandHash,
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}
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payload, err := json.Marshal(envelope)
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if err != nil {
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return SubmitResult{}, err
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}
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idempotencyKey := EventIdempotencyKey(command)
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if idempotencyKey != "" {
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existing, ok, err := e.log.GetByIdempotencyKey(ctx, idempotencyKey)
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if err != nil {
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return SubmitResult{}, err
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}
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if ok {
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if err := ensureSameCommand(existing, envelope); err != nil {
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return SubmitResult{}, err
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}
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return SubmitResult{Receipt: receiptForEvent(existing), Event: existing, Duplicate: true}, nil
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}
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}
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event, err := e.log.Append(ctx, eventlog.Event{
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ID: receipt.ID,
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Stream: e.stream,
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Type: "accepted",
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AggregateID: command.Target,
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IdempotencyKey: idempotencyKey,
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Payload: payload,
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Headers: map[string]string{
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"admin_operation": command.Operation,
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"admin_scope": command.Scope,
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"admin_actor": command.Actor,
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"admin_target": command.Target,
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"admin_receipt": receipt.ID,
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},
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})
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if err != nil {
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return SubmitResult{}, err
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}
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if err := ensureSameCommand(event, envelope); err != nil {
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return SubmitResult{}, err
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}
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duplicate := event.ID != receipt.ID
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receipt = receiptForEvent(event)
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return SubmitResult{Receipt: receipt, Event: event, Duplicate: duplicate}, nil
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}
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func (e *Executor) Receipt(ctx context.Context, id string) (admincmd.Receipt, bool, error) {
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if e == nil || e.log == nil {
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return admincmd.Receipt{}, false, ErrEventLogRequired
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}
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event, ok, err := e.log.Get(ctx, id)
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if err != nil || !ok {
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return admincmd.Receipt{}, ok, err
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}
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return receiptForEvent(event), true, nil
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}
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func (e *Executor) ReceiptByIdempotencyKey(ctx context.Context, key string) (admincmd.Receipt, bool, error) {
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if e == nil || e.log == nil {
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return admincmd.Receipt{}, false, ErrEventLogRequired
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}
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key = strings.TrimSpace(key)
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if key == "" {
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return admincmd.Receipt{}, false, nil
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}
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event, ok, err := e.log.GetByIdempotencyKey(ctx, "admincmd:"+key)
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if err != nil || !ok {
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return admincmd.Receipt{}, ok, err
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}
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return receiptForEvent(event), true, nil
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}
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func (e *Executor) PublishPending(ctx context.Context, handler Handler, options eventlog.PublishOptions) (eventlog.PublishStats, error) {
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if e == nil || e.log == nil {
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return eventlog.PublishStats{}, ErrEventLogRequired
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}
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if handler == nil {
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return eventlog.PublishStats{}, ErrCommandHandlerNeeded
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}
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return e.log.PublishPending(ctx, commandPublisher{handler: handler}, options)
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}
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func (e *Executor) MarkSucceeded(ctx context.Context, receiptID string) (admincmd.Receipt, error) {
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if e == nil || e.log == nil {
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return admincmd.Receipt{}, ErrEventLogRequired
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}
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event, err := e.log.MarkPublished(ctx, receiptID)
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if err != nil {
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return admincmd.Receipt{}, err
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}
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return receiptForEvent(event), nil
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}
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func (e *Executor) MarkFailed(ctx context.Context, receiptID string, message string, nextAttempt time.Time) (admincmd.Receipt, error) {
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if e == nil || e.log == nil {
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return admincmd.Receipt{}, ErrEventLogRequired
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}
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event, err := e.log.MarkFailed(ctx, receiptID, message, nextAttempt)
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if err != nil {
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return admincmd.Receipt{}, err
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}
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return receiptForEvent(event), nil
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}
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func EventIdempotencyKey(command admincmd.Command) string {
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key := strings.TrimSpace(command.IdempotencyKey)
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if key == "" {
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return ""
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}
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return "admincmd:" + key
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}
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func CommandHash(command admincmd.Command) (string, error) {
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command = admincmd.Normalize(command)
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payload, err := json.Marshal(command)
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if err != nil {
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return "", err
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}
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sum := sha256.Sum256(payload)
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return hex.EncodeToString(sum[:]), nil
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}
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type commandPublisher struct {
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handler Handler
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}
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func (p commandPublisher) Publish(ctx context.Context, event eventlog.Event) error {
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if p.handler == nil {
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return ErrCommandHandlerNeeded
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}
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envelope, err := decodeEnvelope(event)
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if err != nil {
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return err
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}
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return p.handler.ExecuteAdminCommand(ctx, envelope.Command)
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}
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func ensureSameCommand(event eventlog.Event, want CommandEnvelope) error {
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got, err := decodeEnvelope(event)
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if err != nil {
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return err
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}
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if got.CommandHash != "" && want.CommandHash != "" && got.CommandHash != want.CommandHash {
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return fmt.Errorf("%w: receipt=%s", ErrIdempotencyConflict, got.Receipt.ID)
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}
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if got.Receipt.ID != "" && want.Receipt.ID != "" && got.Receipt.ID != want.Receipt.ID {
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return fmt.Errorf("%w: receipt=%s", ErrIdempotencyConflict, got.Receipt.ID)
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}
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return nil
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}
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func decodeEnvelope(event eventlog.Event) (CommandEnvelope, error) {
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var envelope CommandEnvelope
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if len(event.Payload) == 0 {
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return envelope, ErrInvalidCommandEvent
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}
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if err := json.Unmarshal(event.Payload, &envelope); err != nil {
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return envelope, fmt.Errorf("%w: %w", ErrInvalidCommandEvent, err)
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}
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envelope.Command = admincmd.Normalize(envelope.Command)
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if envelope.Receipt.ID == "" || envelope.Command.Operation == "" {
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return envelope, ErrInvalidCommandEvent
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}
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return envelope, nil
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}
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func receiptForEvent(event eventlog.Event) admincmd.Receipt {
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envelope, err := decodeEnvelope(event)
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if err != nil {
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return admincmd.Receipt{ID: event.ID, Status: ReceiptStatusFailed, CreatedAt: event.CreatedAt}
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}
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receipt := envelope.Receipt
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receipt.Status = receiptStatusEvent(event.Status)
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return receipt
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}
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func receiptStatusEvent(status string) string {
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switch status {
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case eventlog.StatusPending:
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return ReceiptStatusAccepted
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case eventlog.StatusProcessing:
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return ReceiptStatusProcessing
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case eventlog.StatusPublished:
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return ReceiptStatusSucceeded
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case eventlog.StatusFailed:
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return ReceiptStatusFailed
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case eventlog.StatusDeadLetter:
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return ReceiptStatusDeadLetter
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default:
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return strings.TrimSpace(status)
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}
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}
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