mirror of
https://github.com/grassrootseconomics/cic-custodial.git
synced 2024-11-24 23:06:47 +01:00
Mohammed Sohail
99cdb6d0aa
* Demurrage contracts require setting the approval value to 0 before updating the value after the initial limit is set * This implementation auto-revokes every 15 min after arequest is created. Subsequent requests will fail untill the value is set back to 0
82 lines
2.6 KiB
Go
82 lines
2.6 KiB
Go
package main
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import (
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"context"
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"time"
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"github.com/bsm/redislock"
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"github.com/grassrootseconomics/cic-custodial/internal/custodial"
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"github.com/grassrootseconomics/cic-custodial/internal/tasker"
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"github.com/grassrootseconomics/cic-custodial/internal/tasker/task"
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"github.com/grassrootseconomics/cic-custodial/pkg/redis"
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"github.com/hibiken/asynq"
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)
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const (
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fixedRetryCount = 25
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fixedRetryPeriod = time.Second * 1
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)
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// Load tasker handlers, injecting any necessary handler dependencies from the system container.
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func initTasker(custodialContainer *custodial.Custodial, redisPool *redis.RedisPool) *tasker.TaskerServer {
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taskerServerOpts := tasker.TaskerServerOpts{
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Concurrency: ko.MustInt("asynq.worker_count"),
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IsFailureHandler: isFailureHandler,
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Logg: lo,
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LogLevel: asynq.InfoLevel,
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RedisPool: redisPool,
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RetryHandler: retryHandler,
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}
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taskerServer := tasker.NewTaskerServer(taskerServerOpts)
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taskerServer.RegisterMiddlewareStack([]asynq.MiddlewareFunc{
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observibilityMiddleware(),
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})
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taskerServer.RegisterHandlers(tasker.AccountRegisterTask, task.AccountRegisterOnChainProcessor(custodialContainer))
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taskerServer.RegisterHandlers(tasker.AccountRefillGasTask, task.AccountRefillGasProcessor(custodialContainer))
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taskerServer.RegisterHandlers(tasker.SignTransferTask, task.SignTransfer(custodialContainer))
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taskerServer.RegisterHandlers(tasker.SignTransferTaskAuth, task.SignTransferAuthorizationProcessor(custodialContainer))
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taskerServer.RegisterHandlers(tasker.DispatchTxTask, task.DispatchTx(custodialContainer))
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return taskerServer
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}
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func isFailureHandler(err error) bool {
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switch err {
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// Ignore lock contention errors; retry until lock obtain.
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case redislock.ErrNotObtained:
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return false
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default:
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return true
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}
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}
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func retryHandler(count int, err error, task *asynq.Task) time.Duration {
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if count < fixedRetryCount {
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return fixedRetryPeriod
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} else {
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return asynq.DefaultRetryDelayFunc(count, err, task)
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}
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}
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func observibilityMiddleware() asynq.MiddlewareFunc {
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return func(handler asynq.Handler) asynq.Handler {
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return asynq.HandlerFunc(func(ctx context.Context, task *asynq.Task) error {
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taskId, _ := asynq.GetTaskID(ctx)
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err := handler.ProcessTask(ctx, task)
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if err != nil && isFailureHandler(err) {
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lo.Error("tasker: handler error", "err", err, "task_type", task.Type(), "task_id", taskId)
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} else if asynq.IsPanicError(err) {
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lo.Error("tasker: handler panic", "err", err, "task_type", task.Type(), "task_id", taskId)
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} else {
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lo.Info("tasker: process task", "task_type", task.Type(), "task_id", taskId)
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}
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return err
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})
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}
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}
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