grassrootseconomics
/
cic-custodial
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refactor: (breaking) decouple js pub/sub, improve tasker server

This commit is contained in:
Mohamed Sohail 2023-03-06 08:18:41 +00:00
parent a47e44f262
commit 70419a9b19
Signed by: kamikazechaser
GPG Key ID: 7DD45520C01CD85D
20 changed files with 415 additions and 312 deletions
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10
cmd/service/custodial.go
View File

@ -7,8 +7,8 @@ import (
eth_crypto "github.com/celo-org/celo-blockchain/crypto"
"github.com/go-redis/redis/v8"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/w3-celo-patch"
)
@ -31,12 +31,12 @@ func initAbis() map[string]*w3.Func {
// Bootstrap the internal custodial system configs and system signer key.
// This container is passed down to individual tasker and API handlers.
func initSystemContainer(ctx context.Context, noncestore nonce.Noncestore) *tasker.SystemContainer {
func initSystemContainer(ctx context.Context, noncestore nonce.Noncestore) *custodial.SystemContainer {
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
// Some custodial system defaults loaded from the config file.
systemContainer := &tasker.SystemContainer{
systemContainer := &custodial.SystemContainer{
Abis: initAbis(),
AccountIndexContract: w3.A(ko.MustString("system.account_index_address")),
GasFaucetContract: w3.A(ko.MustString("system.gas_faucet_address")),
@ -55,10 +55,10 @@ func initSystemContainer(ctx context.Context, noncestore nonce.Noncestore) *task
// Check if system signer account nonce is present.
// If not (first boot), we bootstrap it from the network.
currentSystemNonce, err := noncestore.Peek(ctx, ko.MustString("system.public_key"))
lo.Info("custodial: loaded (noncestore) system nonce", "nonce", currentSystemNonce)
lo.Info("custodial: loaded system nonce from noncestore", "nonce", currentSystemNonce)
if err == redis.Nil {
nonce, err := noncestore.SyncNetworkNonce(ctx, ko.MustString("system.public_key"))
lo.Info("custodial: syncing system nonce", "nonce", nonce)
lo.Info("custodial: syncing system nonce from network", "nonce", nonce)
if err != nil {
lo.Fatal("custodial: critical error bootstrapping system container", "error", err)
}

62
cmd/service/init.go
View File

@ -7,11 +7,13 @@ import (
"github.com/bsm/redislock"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/keystore"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/queries"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/sub"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/logg"
"github.com/grassrootseconomics/cic-custodial/pkg/postgres"
@ -22,6 +24,7 @@ import (
"github.com/knadh/koanf/providers/env"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/v2"
"github.com/nats-io/nats.go"
"github.com/zerodha/logf"
)
@ -46,14 +49,14 @@ func initConfig() *koanf.Koanf {
confFile := file.Provider(confFlag)
if err := ko.Load(confFile, toml.Parser()); err != nil {
lo.Fatal("Could not load config file", "error", err)
lo.Fatal("init: could not load config file", "error", err)
}
if err := ko.Load(env.Provider("CUSTODIAL_", ".", func(s string) string {
return strings.ReplaceAll(strings.ToLower(
strings.TrimPrefix(s, "CUSTODIAL_")), "__", ".")
}), nil); err != nil {
lo.Fatal("Could not override config from env vars", "error", err)
lo.Fatal("init: could not override config from env vars", "error", err)
}
if debugFlag {
@ -169,12 +172,11 @@ func initLockProvider(redisPool redislock.RedisClient) *redislock.Client {
// Load tasker client.
func initTaskerClient(redisPool *redis.RedisPool) *tasker.TaskerClient {
return tasker.NewTaskerClient(tasker.TaskerClientOpts{
RedisPool: redisPool,
TaskRetention: time.Duration(ko.MustInt64("asynq.task_retention_hrs")) * time.Hour,
RedisPool: redisPool,
})
}
// Load Postgres store
// Load Postgres store.
func initPostgresStore(postgresPool *pgxpool.Pool, queries *queries.Queries) store.Store {
return store.NewPostgresStore(store.Opts{
PostgresPool: postgresPool,
@ -182,20 +184,44 @@ func initPostgresStore(postgresPool *pgxpool.Pool, queries *queries.Queries) sto
})
}
// Init JetStream context for tasker events.
func initJetStream(pgStore store.Store) *events.JetStream {
jsEmitter, err := events.NewJetStreamEventEmitter(events.JetStreamOpts{
Logg: lo,
PgStore: pgStore,
ServerUrl: ko.MustString("jetstream.endpoint"),
PersistDuration: time.Duration(ko.MustInt("jetstream.persist_duration_hrs")) * time.Hour,
DedupDuration: time.Duration(ko.MustInt("jetstream.dedup_duration_hrs")) * time.Hour,
})
// Init JetStream context for both pub/sub.
func initJetStream() (*nats.Conn, nats.JetStreamContext) {
natsConn, err := nats.Connect(ko.MustString("jetstream.endpoint"))
if err != nil {
lo.Fatal("main: critical error loading jetstream event emitter")
lo.Fatal("init: critical error connecting to NATS", "error", err)
}
js, err := natsConn.JetStream()
if err != nil {
lo.Fatal("init: bad JetStream opts", "error", err)
}
return jsEmitter
return natsConn, js
}
func initPub(jsCtx nats.JetStreamContext) *pub.Pub {
pub, err := pub.NewPub(pub.PubOpts{
DedupDuration: time.Duration(ko.MustInt("jetstream.dedup_duration_hrs")) * time.Hour,
JsCtx: jsCtx,
PersistDuration: time.Duration(ko.MustInt("jetstream.persist_duration_hrs")) * time.Hour,
})
if err != nil {
lo.Fatal("init: critical error bootstrapping pub", "error", err)
}
return pub
}
func initSub(natsConn *nats.Conn, jsCtx nats.JetStreamContext, cu *custodial.Custodial) *sub.Sub {
sub, err := sub.NewSub(sub.SubOpts{
CustodialContainer: cu,
JsCtx: jsCtx,
Logg: lo,
NatsConn: natsConn,
})
if err != nil {
lo.Fatal("init: critical error bootstrapping sub", "error", err)
}
return sub
}

24
cmd/service/main.go
View File

@ -7,7 +7,7 @@ import (
"sync"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/sub"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/knadh/koanf/v2"
"github.com/labstack/echo/v4"
@ -17,7 +17,7 @@ import (
type (
internalServiceContainer struct {
apiService *echo.Echo
jetstreamSub *events.JetStream
jetstreamSub *sub.Sub
taskerService *tasker.TaskerServer
}
)
@ -57,15 +57,16 @@ func main() {
taskerClient := initTaskerClient(asynqRedisPool)
systemContainer := initSystemContainer(context.Background(), redisNoncestore)
jsEventEmitter := initJetStream(pgStore)
natsConn, jsCtx := initJetStream()
jsPub := initPub(jsCtx)
custodial := &custodial.Custodial{
CeloProvider: celoProvider,
EventEmitter: jsEventEmitter,
Keystore: postgresKeystore,
LockProvider: lockProvider,
Noncestore: redisNoncestore,
PgStore: pgStore,
Pub: jsPub,
SystemContainer: systemContainer,
TaskerClient: taskerClient,
}
@ -80,8 +81,9 @@ func main() {
wg.Add(1)
go func() {
defer wg.Done()
lo.Info("main: starting API server")
if err := internalServices.apiService.Start(ko.MustString("service.address")); err != nil {
host := ko.MustString("service.address")
lo.Info("main: starting API server", "host", host)
if err := internalServices.apiService.Start(host); err != nil {
if strings.Contains(err.Error(), "Server closed") {
lo.Info("main: shutting down server")
} else {
@ -94,23 +96,23 @@ func main() {
wg.Add(1)
go func() {
defer wg.Done()
lo.Info("Starting tasker")
lo.Info("main: starting tasker")
if err := internalServices.taskerService.Start(); err != nil {
lo.Fatal("main: could not start task server", "err", err)
}
}()
internalServices.jetstreamSub = jsEventEmitter
internalServices.jetstreamSub = initSub(natsConn, jsCtx, custodial)
wg.Add(1)
go func() {
defer wg.Done()
lo.Info("Starting jetstream sub")
if err := internalServices.jetstreamSub.Subscriber(); err != nil {
lo.Info("main: starting jetstream sub")
if err := internalServices.jetstreamSub.Process(); err != nil {
lo.Fatal("main: error running jetstream sub", "err", err)
}
}()
<-signalCh
lo.Info("main: graceful shutdown triggered", "signal", <-signalCh)
startGracefulShutdown(context.Background(), internalServices)
wg.Wait()

59
cmd/service/tasker.go
View File

@ -1,24 +1,40 @@
package main
import (
"context"
"time"
"github.com/bsm/redislock"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/internal/tasker/task"
"github.com/grassrootseconomics/cic-custodial/pkg/redis"
"github.com/hibiken/asynq"
"github.com/zerodha/logf"
)
const (
fixedRetryCount = 25
fixedRetryPeriod = time.Second * 1
)
// Load tasker handlers, injecting any necessary handler dependencies from the system container.
func initTasker(custodialContainer *custodial.Custodial, redisPool *redis.RedisPool) *tasker.TaskerServer {
taskerServerOpts := tasker.TaskerServerOpts{
Concurrency: ko.MustInt("asynq.worker_count"),
Logg: lo,
LogLevel: asynq.InfoLevel,
RedisPool: redisPool,
Concurrency: ko.MustInt("asynq.worker_count"),
IsFailureHandler: isFailureHandler,
Logg: lo,
LogLevel: asynq.InfoLevel,
RedisPool: redisPool,
RetryHandler: retryHandler,
}
taskerServer := tasker.NewTaskerServer(taskerServerOpts)
taskerServer.RegisterMiddlewareStack([]asynq.MiddlewareFunc{
observibilityMiddleware(lo),
})
taskerServer.RegisterHandlers(tasker.AccountPrepareTask, task.AccountPrepare(custodialContainer))
taskerServer.RegisterHandlers(tasker.AccountRegisterTask, task.AccountRegisterOnChainProcessor(custodialContainer))
taskerServer.RegisterHandlers(tasker.AccountGiftGasTask, task.AccountGiftGasProcessor(custodialContainer))
@ -29,3 +45,38 @@ func initTasker(custodialContainer *custodial.Custodial, redisPool *redis.RedisP
return taskerServer
}
func isFailureHandler(err error) bool {
switch err {
// Ignore lock contention errors; retry until lock obtain.
case redislock.ErrNotObtained:
return false
default:
return true
}
}
func retryHandler(count int, err error, task *asynq.Task) time.Duration {
if count < fixedRetryCount {
return fixedRetryPeriod
} else {
return asynq.DefaultRetryDelayFunc(count, err, task)
}
}
func observibilityMiddleware(logg logf.Logger) asynq.MiddlewareFunc {
return func(handler asynq.Handler) asynq.Handler {
return asynq.HandlerFunc(func(ctx context.Context, task *asynq.Task) error {
taskId, _ := asynq.GetTaskID(ctx)
err := handler.ProcessTask(ctx, task)
if err != nil && isFailureHandler(err) {
lo.Error("tasker: handler error", "err", err, "task_type", task.Type(), "task_id", taskId)
} else {
lo.Info("tasker: process task", "task_type", task.Type(), "task_id", taskId)
}
return err
})
}
}

46
internal/custodial/custodial.go
View File

@ -1,22 +1,46 @@
package custodial
import (
"crypto/ecdsa"
"math/big"
"time"
"github.com/bsm/redislock"
"github.com/celo-org/celo-blockchain/common"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/keystore"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/w3-celo-patch"
)
type Custodial struct {
CeloProvider *celoutils.Provider
EventEmitter *events.JetStream
Keystore keystore.Keystore
LockProvider *redislock.Client
Noncestore nonce.Noncestore
PgStore store.Store
SystemContainer *tasker.SystemContainer
TaskerClient *tasker.TaskerClient
}
type (
SystemContainer struct {
Abis map[string]*w3.Func
AccountIndexContract common.Address
GasFaucetContract common.Address
GasRefillThreshold *big.Int
GasRefillValue *big.Int
GiftableGasValue *big.Int
GiftableToken common.Address
GiftableTokenValue *big.Int
LockPrefix string
LockTimeout time.Duration
PrivateKey *ecdsa.PrivateKey
PublicKey string
TokenDecimals int
TokenTransferGasLimit uint64
}
Custodial struct {
CeloProvider *celoutils.Provider
Keystore keystore.Keystore
LockProvider *redislock.Client
Noncestore nonce.Noncestore
PgStore store.Store
Pub *pub.Pub
SystemContainer *SystemContainer
TaskerClient *tasker.TaskerClient
}
)

169
internal/events/jetstream.go
View File

@ -1,169 +0,0 @@
package events
import (
"context"
"encoding/json"
"errors"
"time"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/nats-io/nats.go"
"github.com/zerodha/logf"
)
const (
// Pub
StreamName string = "CUSTODIAL"
StreamSubjects string = "CUSTODIAL.*"
AccountNewNonce string = "CUSTODIAL.accountNewNonce"
AccountRegister string = "CUSTODIAL.accountRegister"
AccountGiftGas string = "CUSTODIAL.systemNewAccountGas"
AccountGiftVoucher string = "CUSTODIAL.systemNewAccountVoucher"
AccountRefillGas string = "CUSTODIAL.systemRefillAccountGas"
DispatchFail string = "CUSTODIAL.dispatchFail"
DispatchSuccess string = "CUSTODIAL.dispatchSuccess"
SignTransfer string = "CUSTODIAL.signTransfer"
// Sub
durableId = "cic-custodial"
pullStream = "CHAIN"
pullSubject = "CHAIN.*"
actionTimeout = 5 * time.Second
)
type (
JetStreamOpts struct {
Logg logf.Logger
ServerUrl string
PersistDuration time.Duration
PgStore store.Store
DedupDuration time.Duration
}
JetStream struct {
logg logf.Logger
jsCtx nats.JetStreamContext
pgStore store.Store
natsConn *nats.Conn
}
EventPayload struct {
OtxId uint `json:"otxId"`
TrackingId string `json:"trackingId"`
TxHash string `json:"txHash"`
}
)
func NewJetStreamEventEmitter(o JetStreamOpts) (*JetStream, error) {
natsConn, err := nats.Connect(o.ServerUrl)
if err != nil {
return nil, err
}
js, err := natsConn.JetStream()
if err != nil {
return nil, err
}
// Bootstrap stream if it doesn't exist.
stream, _ := js.StreamInfo(StreamName)
if stream == nil {
_, err = js.AddStream(&nats.StreamConfig{
Name: StreamName,
MaxAge: o.PersistDuration,
Storage: nats.FileStorage,
Subjects: []string{StreamSubjects},
Duplicates: o.DedupDuration,
})
if err != nil {
return nil, err
}
}
// Add a durable consumer
_, err = js.AddConsumer(pullStream, &nats.ConsumerConfig{
Durable: durableId,
AckPolicy: nats.AckExplicitPolicy,
FilterSubject: pullSubject,
})
if err != nil {
return nil, err
}
return &JetStream{
logg: o.Logg,
jsCtx: js,
pgStore: o.PgStore,
natsConn: natsConn,
}, nil
}
// Close gracefully shutdowns the JetStream connection.
func (js *JetStream) Close() {
if js.natsConn != nil {
js.natsConn.Close()
}
}
// Publish publishes the JSON data to the NATS stream.
func (js *JetStream) Publish(subject string, dedupId string, eventPayload interface{}) error {
jsonData, err := json.Marshal(eventPayload)
if err != nil {
return err
}
_, err = js.jsCtx.Publish(subject, jsonData, nats.MsgId(dedupId))
if err != nil {
return err
}
return nil
}
func (js *JetStream) Subscriber() error {
subOpts := []nats.SubOpt{
nats.ManualAck(),
nats.Bind(pullStream, durableId),
}
natsSub, err := js.jsCtx.PullSubscribe(pullSubject, durableId, subOpts...)
if err != nil {
return err
}
for {
events, err := natsSub.Fetch(1)
if err != nil {
if errors.Is(err, nats.ErrTimeout) {
continue
} else if errors.Is(err, nats.ErrConnectionClosed) {
return nil
} else {
return err
}
}
if len(events) > 0 {
var (
chainEvent store.MinimalTxInfo
msg = events[0]
)
if err := json.Unmarshal(msg.Data, &chainEvent); err != nil {
msg.Nak()
js.logg.Error("jetstream sub: json unmarshal fail", "error", err)
} else {
ctx, cancel := context.WithTimeout(context.Background(), actionTimeout)
if err := js.pgStore.UpdateOtxStatusFromChainEvent(ctx, chainEvent); err != nil {
msg.Nak()
js.logg.Error("jetstream sub: otx marker failed to update state", "error", err)
} else {
msg.Ack()
}
cancel()
}
}
}
}

73
internal/pub/js_pub.go Normal file
View File

@ -0,0 +1,73 @@
package pub
import (
"encoding/json"
"time"
"github.com/nats-io/nats.go"
)
const (
StreamName string = "CUSTODIAL"
StreamSubjects string = "CUSTODIAL.*"
AccountNewNonce string = "CUSTODIAL.accountNewNonce"
AccountRegister string = "CUSTODIAL.accountRegister"
AccountGiftGas string = "CUSTODIAL.systemNewAccountGas"
AccountGiftVoucher string = "CUSTODIAL.systemNewAccountVoucher"
AccountRefillGas string = "CUSTODIAL.systemRefillAccountGas"
DispatchFail string = "CUSTODIAL.dispatchFail"
DispatchSuccess string = "CUSTODIAL.dispatchSuccess"
SignTransfer string = "CUSTODIAL.signTransfer"
)
type (
PubOpts struct {
DedupDuration time.Duration
JsCtx nats.JetStreamContext
PersistDuration time.Duration
}
Pub struct {
jsCtx nats.JetStreamContext
}
EventPayload struct {
OtxId uint `json:"otxId"`
TrackingId string `json:"trackingId"`
TxHash string `json:"txHash"`
}
)
func NewPub(o PubOpts) (*Pub, error) {
stream, _ := o.JsCtx.StreamInfo(StreamName)
if stream == nil {
_, err := o.JsCtx.AddStream(&nats.StreamConfig{
Name: StreamName,
MaxAge: o.PersistDuration,
Storage: nats.FileStorage,
Subjects: []string{StreamSubjects},
Duplicates: o.DedupDuration,
})
if err != nil {
return nil, err
}
}
return &Pub{
jsCtx: o.JsCtx,
}, nil
}
func (p *Pub) Publish(subject string, dedupId string, eventPayload interface{}) error {
jsonData, err := json.Marshal(eventPayload)
if err != nil {
return err
}
_, err = p.jsCtx.Publish(subject, jsonData, nats.MsgId(dedupId))
if err != nil {
return err
}
return nil
}

30
internal/sub/handler.go Normal file
View File

@ -0,0 +1,30 @@
package sub
import (
"context"
"encoding/json"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/nats-io/nats.go"
)
func (s *Sub) handler(ctx context.Context, msg *nats.Msg) error {
var (
chainEvent store.MinimalTxInfo
)
if err := json.Unmarshal(msg.Data, &chainEvent); err != nil {
return err
}
if err := s.cu.PgStore.UpdateOtxStatusFromChainEvent(ctx, chainEvent); err != nil {
return err
}
switch msg.Subject {
case "CHAIN.gas":
//
}
return nil
}

100
internal/sub/js_sub.go Normal file
View File

@ -0,0 +1,100 @@
package sub
import (
"context"
"errors"
"time"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/nats-io/nats.go"
"github.com/zerodha/logf"
)
const (
durableId = "cic-custodial"
pullStream = "CHAIN"
pullSubject = "CHAIN.*"
actionTimeout = 5 * time.Second
waitDelay = 1 * time.Second
)
type (
SubOpts struct {
CustodialContainer *custodial.Custodial
JsCtx nats.JetStreamContext
Logg logf.Logger
NatsConn *nats.Conn
}
Sub struct {
cu *custodial.Custodial
jsCtx nats.JetStreamContext
logg logf.Logger
natsConn *nats.Conn
}
)
func NewSub(o SubOpts) (*Sub, error) {
_, err := o.JsCtx.AddConsumer(pullStream, &nats.ConsumerConfig{
Durable: durableId,
AckPolicy: nats.AckExplicitPolicy,
FilterSubject: pullSubject,
})
if err != nil {
return nil, err
}
return &Sub{
cu: o.CustodialContainer,
jsCtx: o.JsCtx,
logg: o.Logg,
natsConn: o.NatsConn,
}, nil
}
func (s *Sub) Process() error {
subOpts := []nats.SubOpt{
nats.ManualAck(),
nats.Bind(pullStream, durableId),
}
natsSub, err := s.jsCtx.PullSubscribe(pullSubject, durableId, subOpts...)
if err != nil {
return err
}
for {
events, err := natsSub.Fetch(1)
if err != nil {
if errors.Is(err, nats.ErrTimeout) {
s.logg.Debug("sub: no msg to pull")
time.Sleep(waitDelay)
continue
} else if errors.Is(err, nats.ErrConnectionClosed) {
return nil
} else {
return err
}
}
if len(events) > 0 {
msg := events[0]
ctx, cancel := context.WithTimeout(context.Background(), actionTimeout)
if err := s.handler(ctx, msg); err != nil {
s.logg.Error("sub: handler error", "error", err)
msg.Nak()
} else {
s.logg.Debug("sub: processed msg", "subject", msg.Subject)
msg.Ack()
}
cancel()
}
}
}
func (s *Sub) Close() {
if s.natsConn != nil {
s.natsConn.Close()
}
}

13
internal/tasker/client.go
View File

@ -10,17 +10,16 @@ import (
)
const (
taskTimeout = 60
taskTimeout = 60 * time.Second
taskRetention = 48 * time.Hour
)
type TaskerClientOpts struct {
RedisPool *redis.RedisPool
TaskRetention time.Duration
RedisPool *redis.RedisPool
}
type TaskerClient struct {
Client *asynq.Client
taskRetention time.Duration
Client *asynq.Client
}
func NewTaskerClient(o TaskerClientOpts) *TaskerClient {
@ -39,8 +38,8 @@ func (c *TaskerClient) CreateTask(ctx context.Context, taskName TaskName, queueN
task.Payload,
asynq.Queue(string(queueName)),
asynq.TaskID(task.Id),
asynq.Retention(c.taskRetention),
asynq.Timeout(taskTimeout*time.Second),
asynq.Retention(taskRetention),
asynq.Timeout(taskTimeout),
)
taskInfo, err := c.Client.EnqueueContext(ctx, qTask)

54
internal/tasker/server.go
View File

@ -4,22 +4,24 @@ import (
"context"
"time"
"github.com/bsm/redislock"
"github.com/grassrootseconomics/cic-custodial/pkg/logg"
"github.com/grassrootseconomics/cic-custodial/pkg/redis"
"github.com/hibiken/asynq"
"github.com/zerodha/logf"
)
const (
fixedRetryCount = 25
fixedRetryPeriod = time.Second * 1
retryRequeueInterval = 2 * time.Second
)
type TaskerServerOpts struct {
Concurrency int
Logg logf.Logger
LogLevel asynq.LogLevel
RedisPool *redis.RedisPool
Concurrency int
ErrorHandler asynq.ErrorHandler
IsFailureHandler func(error) bool
Logg logf.Logger
LogLevel asynq.LogLevel
RedisPool *redis.RedisPool
RetryHandler asynq.RetryDelayFunc
}
type TaskerServer struct {
@ -31,14 +33,17 @@ func NewTaskerServer(o TaskerServerOpts) *TaskerServer {
server := asynq.NewServer(
o.RedisPool,
asynq.Config{
Concurrency: o.Concurrency,
IsFailure: expectedFailures,
LogLevel: o.LogLevel,
Concurrency: o.Concurrency,
DelayedTaskCheckInterval: retryRequeueInterval,
ErrorHandler: o.ErrorHandler,
IsFailure: o.IsFailureHandler,
LogLevel: o.LogLevel,
Logger: logg.AsynqCompatibleLogger(o.Logg),
Queues: map[string]int{
string(HighPriority): 5,
string(DefaultPriority): 2,
string(HighPriority): 7,
string(DefaultPriority): 3,
},
RetryDelayFunc: retryDelay,
RetryDelayFunc: o.RetryHandler,
},
)
@ -50,6 +55,10 @@ func NewTaskerServer(o TaskerServerOpts) *TaskerServer {
}
}
func (ts *TaskerServer) RegisterMiddlewareStack(middlewareStack []asynq.MiddlewareFunc) {
ts.mux.Use(middlewareStack...)
}
func (ts *TaskerServer) RegisterHandlers(taskName TaskName, taskHandler func(context.Context, *asynq.Task) error) {
ts.mux.HandleFunc(string(taskName), taskHandler)
}
@ -66,22 +75,3 @@ func (ts *TaskerServer) Stop() {
ts.server.Stop()
ts.server.Shutdown()
}
func expectedFailures(err error) bool {
switch err {
// Ignore lock contention errors; retry until lock obtain.
case redislock.ErrNotObtained:
return false
default:
return true
}
}
// Immidiatel
func retryDelay(count int, err error, task *asynq.Task) time.Duration {
if count < fixedRetryCount {
return fixedRetryPeriod
} else {
return asynq.DefaultRetryDelayFunc(count, err, task)
}
}

8
internal/tasker/task/account_gift_gas.go
View File

@ -8,7 +8,7 @@ import (
"github.com/celo-org/celo-blockchain/common/hexutil"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/enum"
@ -105,14 +105,14 @@ func AccountGiftGasProcessor(cu *custodial.Custodial) func(context.Context, *asy
return err
}
eventPayload := &events.EventPayload{
eventPayload := &pub.EventPayload{
OtxId: id,
TrackingId: payload.TrackingId,
TxHash: builtTx.Hash().Hex(),
}
if err := cu.EventEmitter.Publish(
events.AccountGiftGas,
if err := cu.Pub.Publish(
pub.AccountGiftGas,
builtTx.Hash().Hex(),
eventPayload,
); err != nil {

8
internal/tasker/task/account_gift_voucher.go
View File

@ -7,7 +7,7 @@ import (
"github.com/celo-org/celo-blockchain/common/hexutil"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/enum"
@ -115,14 +115,14 @@ func GiftVoucherProcessor(cu *custodial.Custodial) func(context.Context, *asynq.
return err
}
eventPayload := &events.EventPayload{
eventPayload := &pub.EventPayload{
OtxId: id,
TrackingId: payload.TrackingId,
TxHash: builtTx.Hash().Hex(),
}
if err := cu.EventEmitter.Publish(
events.AccountGiftVoucher,
if err := cu.Pub.Publish(
pub.AccountGiftVoucher,
builtTx.Hash().Hex(),
eventPayload,
); err != nil {

8
internal/tasker/task/account_prepare.go
View File

@ -6,7 +6,7 @@ import (
"fmt"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/hibiken/asynq"
)
@ -64,12 +64,12 @@ func AccountPrepare(cu *custodial.Custodial) func(context.Context, *asynq.Task)
return err
}
eventPayload := events.EventPayload{
eventPayload := pub.EventPayload{
TrackingId: payload.TrackingId,
}
if err := cu.EventEmitter.Publish(
events.AccountNewNonce,
if err := cu.Pub.Publish(
pub.AccountNewNonce,
payload.PublicKey,
eventPayload,
); err != nil {

8
internal/tasker/task/account_refill_gas.go
View File

@ -9,7 +9,7 @@ import (
"github.com/celo-org/celo-blockchain/common/hexutil"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/enum"
@ -120,14 +120,14 @@ func AccountRefillGasProcessor(cu *custodial.Custodial) func(context.Context, *a
return err
}
eventPayload := &events.EventPayload{
eventPayload := &pub.EventPayload{
OtxId: id,
TrackingId: payload.TrackingId,
TxHash: builtTx.Hash().Hex(),
}
if err := cu.EventEmitter.Publish(
events.AccountRefillGas,
if err := cu.Pub.Publish(
pub.AccountRefillGas,
builtTx.Hash().Hex(),
eventPayload,
); err != nil {

8
internal/tasker/task/account_register_onchain.go
View File

@ -8,7 +8,7 @@ import (
"github.com/celo-org/celo-blockchain/common/hexutil"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/enum"
@ -113,14 +113,14 @@ func AccountRegisterOnChainProcessor(cu *custodial.Custodial) func(context.Conte
return err
}
eventPayload := &events.EventPayload{
eventPayload := &pub.EventPayload{
OtxId: id,
TrackingId: payload.TrackingId,
TxHash: builtTx.Hash().Hex(),
}
if err := cu.EventEmitter.Publish(
events.AccountRegister,
if err := cu.Pub.Publish(
pub.AccountRegister,
builtTx.Hash().Hex(),
eventPayload,
); err != nil {

8
internal/tasker/task/dispatch_tx.go
View File

@ -9,7 +9,7 @@ import (
"github.com/celo-org/celo-blockchain/core/types"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/pkg/enum"
"github.com/grassrootseconomics/w3-celo-patch/module/eth"
@ -26,7 +26,7 @@ func DispatchTx(cu *custodial.Custodial) func(context.Context, *asynq.Task) erro
var (
payload TxPayload
dispatchStatus store.DispatchStatus
eventPayload events.EventPayload
eventPayload pub.EventPayload
dispathchTx common.Hash
)
@ -58,7 +58,7 @@ func DispatchTx(cu *custodial.Custodial) func(context.Context, *asynq.Task) erro
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
if err := cu.EventEmitter.Publish(events.DispatchFail, txHash, eventPayload); err != nil {
if err := cu.Pub.Publish(pub.DispatchFail, txHash, eventPayload); err != nil {
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
@ -71,7 +71,7 @@ func DispatchTx(cu *custodial.Custodial) func(context.Context, *asynq.Task) erro
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
if err := cu.EventEmitter.Publish(events.DispatchSuccess, txHash, eventPayload); err != nil {
if err := cu.Pub.Publish(pub.DispatchSuccess, txHash, eventPayload); err != nil {
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}

6
internal/tasker/task/sign_transfer.go
View File

@ -9,7 +9,7 @@ import (
"github.com/celo-org/celo-blockchain/common/hexutil"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/pub"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/enum"
@ -160,8 +160,8 @@ func SignTransfer(cu *custodial.Custodial) func(context.Context, *asynq.Task) er
TxHash: builtTx.Hash().Hex(),
}
if err := cu.EventEmitter.Publish(
events.SignTransfer,
if err := cu.Pub.Publish(
pub.SignTransfer,
builtTx.Hash().Hex(),
eventPayload,
); err != nil {

23
internal/tasker/types.go
View File

@ -1,13 +1,7 @@
package tasker
import (
"crypto/ecdsa"
"encoding/json"
"math/big"
"time"
"github.com/celo-org/celo-blockchain/common"
"github.com/grassrootseconomics/w3-celo-patch"
)
type (
@ -15,23 +9,6 @@ type (
TaskName string
)
type SystemContainer struct {
Abis map[string]*w3.Func
AccountIndexContract common.Address
GasFaucetContract common.Address
GasRefillThreshold *big.Int
GasRefillValue *big.Int
GiftableGasValue *big.Int
GiftableToken common.Address
GiftableTokenValue *big.Int
LockPrefix string
LockTimeout time.Duration
PrivateKey *ecdsa.PrivateKey
PublicKey string
TokenDecimals int
TokenTransferGasLimit uint64
}
type Task struct {
Id string `json:"id"`
Payload json.RawMessage `json:"payload"`

10
pkg/logg/asynq.go
View File

@ -13,21 +13,21 @@ func AsynqCompatibleLogger(lo logf.Logger) AsynqLogger {
}
func (l AsynqLogger) Debug(args ...interface{}) {
l.Lo.Debug("asynq", "debug", args[0])
l.Lo.Debug("asynq: server", "msg", args[0])
}
func (l AsynqLogger) Info(args ...interface{}) {
l.Lo.Info("asynq", "info", args[0])
l.Lo.Info("asynq: server", "msg", args[0])
}
func (l AsynqLogger) Warn(args ...interface{}) {
l.Lo.Warn("asynq", "warn", args[0])
l.Lo.Warn("asynq: server", "msg", args[0])
}
func (l AsynqLogger) Error(args ...interface{}) {
l.Lo.Error("asynq", "error", args[0])
l.Lo.Error("asynq: server", "msg", args[0])
}
func (l AsynqLogger) Fatal(args ...interface{}) {
l.Lo.Fatal("asynq", "fatal", args[0])
l.Lo.Fatal("asynq: server", "msg", args[0])
}