add: wip jetstream durable consumer

cmd/service/init.go

@@ -48,13 +48,15 @@ func initConfig(configFilePath string) *koanf.Koanf {
 		lo.Fatal("Could not load config file", "error", err)
 	}
 
-	if err := ko.Load(env.Provider("", ".", func(s string) string {
+	if err := ko.Load(env.Provider("CUSTODIAL_", ".", func(s string) string {
 		return strings.ReplaceAll(strings.ToLower(
-			strings.TrimPrefix(s, "")), "_", ".")
+			strings.TrimPrefix(s, "CUSTODIAL_")), "__", ".")
 	}), nil); err != nil {
 		lo.Fatal("Could not override config from env vars", "error", err)
 	}
 
+	ko.Print()
+
 	return ko
 }
 
@@ -180,6 +182,7 @@ func initPostgresStore(postgresPool *pgxpool.Pool, queries *queries.Queries) sto
 // Init JetStream context for tasker events.
 func initJetStream() (*events.JetStream, error) {
 	jsEmitter, err := events.NewJetStreamEventEmitter(events.JetStreamOpts{
+		Logg:            lo,
 		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,

cmd/service/main.go

@@ -128,6 +128,15 @@ func main() {
 		}
 	}()
 
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		lo.Info("Starting jetstream subscriber")
+		if err := jsEventEmitter.ChainSubscription(ctx, pgStore); err != nil {
+			lo.Fatal("main: jetstream subscriber", "err", err)
+		}
+	}()
+
 	<-ctx.Done()
 
 	lo.Info("main: stopping tasker")

config.toml

@@ -7,6 +7,7 @@ metrics = true
 [chain]
 rpc_endpoint = ""
 testnet = true
+devnet = false
 
 [system]
 # System default values

internal/events/jetstream.go

@@ -62,6 +62,7 @@ func NewJetStreamEventEmitter(o JetStreamOpts) (*JetStream, error) {
 	}
 
 	return &JetStream{
+		logg:     o.Logg,
 		jsCtx:    js,
 		natsConn: natsConn,
 	}, nil

internal/events/jetstream_sub.go

@@ -2,21 +2,29 @@ package events
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
-	"time"
 
 	"github.com/grassrootseconomics/cic-custodial/internal/store"
 	"github.com/nats-io/nats.go"
 )
 
 const (
-	backOffTimer = 2 * time.Second
 	durableId   = "cic-custodial"
 	pullStream  = "CHAIN"
 	pullSubject = "CHAIN.*"
 )
 
-func (js *JetStream) ChainSubscription(ctx context.Context, store store.Store) error {
+func (js *JetStream) ChainSubscription(ctx context.Context, pgStore store.Store) error {
+	_, err := js.jsCtx.AddConsumer(pullStream, &nats.ConsumerConfig{
+		Durable:       durableId,
+		AckPolicy:     nats.AckExplicitPolicy,
+		FilterSubject: pullSubject,
+	})
+	if err != nil {
+		return err
+	}
+
 	subOpts := []nats.SubOpt{
 		nats.ManualAck(),
 		nats.Bind(pullStream, durableId),
@@ -31,23 +39,34 @@ func (js *JetStream) ChainSubscription(ctx context.Context, store store.Store) e
 		select {
 		case <-ctx.Done():
 			js.logg.Info("jetstream chain sub: shutdown signal received")
+			js.Close()
 			return nil
 		default:
 			events, err := natsSub.Fetch(1)
 			if err != nil {
 				if errors.Is(err, nats.ErrTimeout) {
-					// Supressed retry
-					js.logg.Error("jetstream chain sub: fetch NATS timeout", "error", err)
-					time.Sleep(backOffTimer)
 					continue
 				} else {
 					js.logg.Error("jetstream chain sub: fetch other error", "error", err)
 				}
 			}
-			if len(events) > 0 {
+			if len(events) == 0 {
-				// TODO: Unmarshal
+				continue
-				// TODO: UpdateOtxStatus
 			}
+			var (
+				chainEvent store.MinimalTxInfo
+			)
+
+			if err := json.Unmarshal(events[0].Data, &chainEvent); err != nil {
+				js.logg.Error("jetstream chain sub: json unmarshal fail", "error", err)
+			}
+
+			if err := pgStore.UpdateOtxStatusFromChainEvent(context.Background(), chainEvent); err != nil {
+				events[0].Nak()
+				js.logg.Error("jetstream chain sub: otx marker failed to update state", "error", err)
+			}
+			events[0].Ack()
+			js.logg.Debug("jetstream chain sub: successfully updated status", "tx", chainEvent.TxHash)
 		}
 
 	}

internal/store/dispatch.go

@@ -2,8 +2,6 @@ package store
 
 import (
 	"context"
-
-	"github.com/grassrootseconomics/cic-custodial/pkg/enum"
 )
 
 func (s *PostgresStore) CreateDispatchStatus(ctx context.Context, dispatch DispatchStatus) error {
@@ -18,17 +16,3 @@ func (s *PostgresStore) CreateDispatchStatus(ctx context.Context, dispatch Dispa
 
 	return nil
 }
-
-func (s *PostgresStore) UpdateChainStatus(ctx context.Context, txHash string, status enum.OtxStatus, block uint64) error {
-	if _, err := s.db.Exec(
-		ctx,
-		s.queries.UpdateChainStatus,
-		txHash,
-		status,
-		block,
-	); err != nil {
-		return err
-	}
-
-	return nil
-}

internal/store/otx.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/georgysavva/scany/v2/pgxscan"
+	"github.com/grassrootseconomics/cic-custodial/pkg/enum"
 )
 
 type TxStatus struct {
@@ -58,6 +59,24 @@ func (s *PostgresStore) GetTxStatusByTrackingId(ctx context.Context, trackingId
 	return txs, nil
 }
 
-func (s *PostgresStore) UpdateOtxStatus(ctx context.Context, status string) error {
+func (s *PostgresStore) UpdateOtxStatusFromChainEvent(ctx context.Context, chainEvent MinimalTxInfo) error {
+	var (
+		status = enum.SUCCESS
+	)
+
+	if !chainEvent.Success {
+		status = enum.REVERTED
+	}
+
+	if _, err := s.db.Exec(
+		ctx,
+		s.queries.UpdateChainStatus,
+		chainEvent.TxHash,
+		status,
+		chainEvent.Block,
+	); err != nil {
+		return err
+	}
+
 	return nil
 }

internal/store/store.go

@@ -7,6 +7,16 @@ import (
 )
 
 type (
+	MinimalTxInfo struct {
+		Block           uint64 `json:"block"`
+		From            string `json:"from"`
+		To              string `json:"to"`
+		ContractAddress string `json:"contractAddress"`
+		Success         bool   `json:"success"`
+		TxHash          string `json:"transactionHash"`
+		TxIndex         uint   `json:"transactionIndex"`
+		Value           uint64 `json:"value"`
+	}
 	OTX struct {
 		TrackingId    string
 		Type          enum.OtxType
@@ -29,6 +39,6 @@ type (
 		CreateOtx(ctx context.Context, otx OTX) (id uint, err error)
 		CreateDispatchStatus(ctx context.Context, dispatch DispatchStatus) error
 		GetTxStatusByTrackingId(ctx context.Context, trackingId string) ([]*TxStatus, error)
-		UpdateChainStatus(ctx context.Context, txHash string, status enum.OtxStatus, block uint64) error
+		UpdateOtxStatusFromChainEvent(ctx context.Context, chainEvent MinimalTxInfo) error
 	}
 )