feat: optimize ledgerv1

Dockerfile

@@ -12,7 +12,9 @@ ARG SEGMENT_WRITE_KEY
 WORKDIR /go/src/github.com/numary/ledger
 # get deps first so it's cached
 COPY . .
-RUN CGO_ENABLED=1 GOOS=linux GOARCH=$TARGETARCH \
+RUN --mount=type=cache,id=gobuild,target=/root/.cache/go-build \
+    --mount=type=cache,id=gomodcache,target=/go/pkg/mod \
+    CGO_ENABLED=1 GOOS=linux GOARCH=$TARGETARCH \
     CC=$TARGETARCH-linux-gnu-gcc \
     go build -o numary -tags json1,netgo \
     -ldflags="-X github.com/numary/ledger/cmd.Version=${VERSION} \

go.mod

@@ -51,12 +51,14 @@ require (
 	github.com/ThreeDotsLabs/watermill-kafka/v2 v2.2.2 // indirect
 	github.com/ThreeDotsLabs/watermill-nats/v2 v2.0.0 // indirect
 	github.com/ajg/form v1.5.1 // indirect
+	github.com/bits-and-blooms/bloom v2.0.3+incompatible // indirect
 	github.com/bytedance/sonic v1.8.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
 	github.com/containerd/continuity v0.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dgryski/go-metro v0.0.0-20200812162917-85c65e2d0165 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/docker/cli v20.10.17+incompatible // indirect
 	github.com/docker/docker v20.10.17+incompatible // indirect
@@ -115,11 +117,14 @@ require (
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.2 // indirect
 	github.com/opencontainers/runc v1.1.3 // indirect
+	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
 	github.com/pierrec/lz4/v4 v4.1.17 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/segmentio/backo-go v1.0.1 // indirect
+	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb // indirect
+	github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72 // indirect
 	github.com/spf13/afero v1.9.3 // indirect
 	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
@@ -129,6 +134,7 @@ require (
 	github.com/ugorji/go/codec v1.2.10 // indirect
 	github.com/uptrace/opentelemetry-go-extra/otellogrus v0.1.21 // indirect
 	github.com/uptrace/opentelemetry-go-extra/otelutil v0.1.21 // indirect
+	github.com/willf/bitset v1.1.11 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect

go.sum

@@ -72,6 +72,8 @@ github.com/antlr/antlr4/runtime/Go/antlr v1.4.10/go.mod h1:F7bn7fEU90QkQ3tnmaTx3
 github.com/benbjohnson/clock v1.3.0 h1:ip6w0uFQkncKQ979AypyG0ER7mqUSBdKLOgAle/AT8A=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/bits-and-blooms/bloom v2.0.3+incompatible h1:3ONZFjJoMyfHDil5iCcNkcPJ//PNNo+55RHvPrfUGnY=
+github.com/bits-and-blooms/bloom v2.0.3+incompatible/go.mod h1:nEmPH2pqJb3sCXfd7cyDSKC4iPfCAt312JHgNrtnnDE=
 github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 h1:DDGfHa7BWjL4YnC6+E63dPcxHo2sUxDIu8g3QgEJdRY=
 github.com/bool64/shared v0.1.5 h1:fp3eUhBsrSjNCQPcSdQqZxxh9bBwrYiZ+zOKFkM0/2E=
 github.com/buger/jsonparser v1.1.1 h1:2PnMjfWD7wBILjqQbt530v576A/cAbQvEW9gGIpYMUs=
@@ -121,6 +123,8 @@ github.com/dgraph-io/ristretto v0.1.1 h1:6CWw5tJNgpegArSHpNHJKldNeq03FQCwYvfMVWa
 github.com/dgraph-io/ristretto v0.1.1/go.mod h1:S1GPSBCYCIhmVNfcth17y2zZtQT6wzkzgwUve0VDWWA=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 h1:fAjc9m62+UWV/WAFKLNi6ZS0675eEUC9y3AlwSbQu1Y=
+github.com/dgryski/go-metro v0.0.0-20200812162917-85c65e2d0165 h1:BS21ZUJ/B5X2UVUbczfmdWH7GapPWAhxcMsDnjJTU1E=
+github.com/dgryski/go-metro v0.0.0-20200812162917-85c65e2d0165/go.mod h1:c9O8+fpSOX1DM8cPNSkX/qsBWdkD4yd2dpciOWQjpBw=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/docker/cli v20.10.17+incompatible h1:eO2KS7ZFeov5UJeaDmIs1NFEDRf32PaqRpvoEkKBy5M=
@@ -425,6 +429,8 @@ github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417/go.m
 github.com/opencontainers/selinux v1.10.0/go.mod h1:2i0OySw99QjzBBQByd1Gr9gSjvuho1lHsJxIJ3gGbJI=
 github.com/ory/dockertest/v3 v3.9.1 h1:v4dkG+dlu76goxMiTT2j8zV7s4oPPEppKT8K8p2f1kY=
 github.com/ory/dockertest/v3 v3.9.1/go.mod h1:42Ir9hmvaAPm0Mgibk6mBPi7SFvTXxEcnztDYOJ//uM=
+github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
+github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
 github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 h1:onHthvaw9LFnH4t2DcNVpwGmV9E1BkGknEliJkfwQj0=
 github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58/go.mod h1:DXv8WO4yhMYhSNPKjeNKa5WY9YCIEBRbNzFFPJbWO6Y=
 github.com/pborman/uuid v1.2.1 h1:+ZZIw58t/ozdjRaXh/3awHfmWRbzYxJoAdNJxe/3pvw=
@@ -464,12 +470,15 @@ github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQD
 github.com/seccomp/libseccomp-golang v0.9.2-0.20220502022130-f33da4d89646/go.mod h1:JA8cRccbGaA1s33RQf7Y1+q9gHmZX1yB/z9WDN1C6fg=
 github.com/segmentio/backo-go v1.0.1 h1:68RQccglxZeyURy93ASB/2kc9QudzgIDexJ927N++y4=
 github.com/segmentio/backo-go v1.0.1/go.mod h1:9/Rh6yILuLysoQnZ2oNooD2g7aBnvM7r/fNVxRNWfBc=
+github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb h1:XfLJSPIOUX+osiMraVgIrMR27uMXnRJWGm1+GL8/63U=
+github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb/go.mod h1:bR6DqgcAl1zTcOX8/pE2Qkj9XO00eCNqmKb7lXP8EAg=
 github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
 github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72 h1:qLC7fQah7D6K1B0ujays3HV9gkFtllcxhzImRR7ArPQ=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.9.3 h1:41FoI0fD7OR7mGcKE/aOiLkGreyf8ifIOQmJANWogMk=
 github.com/spf13/afero v1.9.3/go.mod h1:iUV7ddyEEZPO5gA3zD4fJt6iStLlL+Lg4m2cihcDf8Y=
@@ -516,6 +525,8 @@ github.com/uptrace/opentelemetry-go-extra/otelutil v0.1.21/go.mod h1:2MNqrUmDrt5
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
 github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
+github.com/willf/bitset v1.1.11 h1:N7Z7E9UvjW+sGsEl7k/SJrvY2reP1A07MrGuCjIOjRE=
+github.com/willf/bitset v1.1.11/go.mod h1:83CECat5yLh5zVOf4P1ErAgKA5UDvKtgyUABdr3+MjI=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
 github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
@@ -975,6 +986,7 @@ gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

pkg/api/controllers/transaction_controller_test.go

@@ -1199,12 +1199,12 @@ func TestTransactions(t *testing.T) {
 
 						require.Len(t, cursor.Data, 1)
 						require.Equal(t, cursor.Data[0].ID, tx3.ID)
-	rsp = internal.CountTransactions(api, url.Values{
-						"metadata[priority]": []string{"high"},
+						rsp = internal.CountTransactions(api, url.Values{
+							"metadata[priority]": []string{"high"},
+						})
+						require.Equal(t, http.StatusOK, rsp.Result().StatusCode)
+						require.Equal(t, "1", rsp.Header().Get("Count"))
 					})
-					require.Equal(t, http.StatusOK, rsp.Result().StatusCode)
-					require.Equal(t, "1", rsp.Header().Get("Count"))
-				})
 
 					t.Run("after", func(t *testing.T) {
 						rsp := internal.GetTransactions(api, url.Values{

pkg/core/account.go

@@ -1,6 +1,7 @@
 package core
 
 import (
+	"encoding/json"
 	"fmt"
 	"regexp"
 )
@@ -14,12 +15,36 @@
 	Metadata Metadata       `json:"metadata" swaggertype:"object"`
 }
 
+func (v Account) Copy() *Account {
+	data, err := json.Marshal(v)
+	if err != nil {
+		panic(err)
+	}
+	ret := &Account{}
+	if err := json.Unmarshal(data, ret); err != nil {
+		panic(err)
+	}
+	return ret
+}
+
 type AccountWithVolumes struct {
 	Account
 	Volumes  AssetsVolumes  `json:"volumes"`
 	Balances AssetsBalances `json:"balances" example:"COIN:100"`
 }
 
+func (v AccountWithVolumes) Copy() *AccountWithVolumes {
+	data, err := json.Marshal(v)
+	if err != nil {
+		panic(err)
+	}
+	ret := &AccountWithVolumes{}
+	if err := json.Unmarshal(data, ret); err != nil {
+		panic(err)
+	}
+	return ret
+}
+
 const accountPattern = "^[a-zA-Z_]+[a-zA-Z0-9_:]*$"
 
 var accountRegexp = regexp.MustCompile(accountPattern)

pkg/ledger/ledger.go

@@ -54,9 +54,9 @@ func NewLedger(store Store, monitor Monitor, cache *ristretto.Cache, options ...
 }
 
 func (l *Ledger) Close(ctx context.Context) error {
-	if err := l.store.Close(ctx); err != nil {
-		return errors.Wrap(err, "closing store")
-	}
+	//if err := l.store.Close(ctx); err != nil {
+	//	return errors.Wrap(err, "closing store")
+	//}
 	return nil
 }
 

pkg/ledger/ledger_test.go

@@ -640,7 +640,7 @@ func TestRevertTransaction(t *testing.T) {
 
 		newBal := world.Balances["COIN"]
 		expectedBal := originalBal.Add(revertAmt)
-		require.Equalf(t, expectedBal, newBal,
+		require.Equalf(t, expectedBal.Uint64(), newBal.Uint64(),
 			"COIN world balances expected %d, got %d", expectedBal, newBal)
 	})
 }

pkg/storage/sqlstorage/accounts.go

@@ -200,6 +200,12 @@ func (s *Store) GetAccounts(ctx context.Context, q ledger.AccountsQuery) (api.Cu
 }
 
 func (s *Store) GetAccount(ctx context.Context, addr string) (*core.Account, error) {
+
+	entry, ok := s.cache.Get(addr)
+	if ok {
+		return entry.(*core.AccountWithVolumes).Account.Copy(), nil
+	}
+
 	sb := sqlbuilder.NewSelectBuilder()
 	sb.Select("address", "metadata").
 		From(s.schema.Table("accounts")).
@@ -265,11 +271,20 @@ func (s *Store) ensureAccountExists(ctx context.Context, account string) error {
 		return err
 	}
 
+	s.bloom.Add([]byte(account))
+
 	_, err = executor.ExecContext(ctx, sqlq, args...)
 	return s.error(err)
 }
 
 func (s *Store) UpdateAccountMetadata(ctx context.Context, address string, metadata core.Metadata, at time.Time) error {
+
+	entry, ok := s.cache.Get(address)
+	if ok {
+		account := entry.(*core.AccountWithVolumes)
+		account.Metadata = account.Metadata.Merge(metadata)
+	}
+
 	ib := sqlbuilder.NewInsertBuilder()
 
 	metadataData, err := json.Marshal(metadata)
@@ -311,6 +326,8 @@ func (s *Store) UpdateAccountMetadata(ctx context.Context, address string, metad
 		return errors.Wrap(err, "reading last log")
 	}
 
+	s.bloom.Add([]byte(address))
+
 	return s.appendLog(ctx, core.NewSetMetadataLog(lastLog, at, core.SetMetadata{
 		TargetType: core.MetaTargetTypeAccount,
 		TargetID:   address,

pkg/storage/sqlstorage/aggregations.go

@@ -8,72 +8,80 @@
 	"github.com/huandu/go-sqlbuilder"
 	"github.com/numary/ledger/pkg/core"
 	"github.com/numary/ledger/pkg/ledger"
+	"github.com/patrickmn/go-cache"
 )
 
-func (s *Store) GetAccountWithVolumes(ctx context.Context, account string) (*core.AccountWithVolumes, error) {
-	sb := sqlbuilder.NewSelectBuilder()
-	sb.Select("accounts.metadata", "volumes.asset", "volumes.input", "volumes.output")
-	sb.From(s.schema.Table("accounts"))
-	sb.JoinWithOption(sqlbuilder.LeftOuterJoin,
-		s.schema.Table("volumes"),
-		"accounts.address = volumes.account")
-	sb.Where(sb.E("accounts.address", account))
-
-	executor, err := s.executorProvider(ctx)
-	if err != nil {
-		return nil, err
-	}
-
-	q, args := sb.BuildWithFlavor(s.schema.Flavor())
-	rows, err := executor.QueryContext(ctx, q, args...)
-	if err != nil {
-		return nil, s.error(err)
+func (s *Store) GetAccountWithVolumes(ctx context.Context, address string) (*core.AccountWithVolumes, error) {
+	account, ok := s.cache.Get(address)
+	if ok {
+		return account.(*core.AccountWithVolumes).Copy(), nil
 	}
-	defer rows.Close()
 
 	acc := core.Account{
-		Address:  core.AccountAddress(account),
+		Address:  core.AccountAddress(address),
 		Metadata: core.Metadata{},
 	}
 	assetsVolumes := core.AssetsVolumes{}
 
-	for rows.Next() {
-		var asset, inputStr, outputStr sql.NullString
-		if err := rows.Scan(&acc.Metadata, &asset, &inputStr, &outputStr); err != nil {
+	if s.bloom.Test([]byte(address)) {
+		sb := sqlbuilder.NewSelectBuilder()
+		sb.Select("accounts.metadata", "volumes.asset", "volumes.input", "volumes.output")
+		sb.From(s.schema.Table("accounts"))
+		sb.JoinWithOption(sqlbuilder.LeftOuterJoin,
+			s.schema.Table("volumes"),
+			"accounts.address = volumes.account")
+		sb.Where(sb.E("accounts.address", address))
+
+		executor, err := s.executorProvider(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		q, args := sb.BuildWithFlavor(s.schema.Flavor())
+		rows, err := executor.QueryContext(ctx, q, args...)
+		if err != nil {
 			return nil, s.error(err)
 		}
+		defer rows.Close()
 
-		if asset.Valid {
-			assetsVolumes[asset.String] = core.Volumes{
-				Input:  core.NewMonetaryInt(0),
-				Output: core.NewMonetaryInt(0),
+		for rows.Next() {
+			var asset, inputStr, outputStr sql.NullString
+			if err := rows.Scan(&acc.Metadata, &asset, &inputStr, &outputStr); err != nil {
+				return nil, s.error(err)
 			}
 
-			if inputStr.Valid {
-				input, err := core.ParseMonetaryInt(inputStr.String)
-				if err != nil {
-					return nil, s.error(err)
-				}
+			if asset.Valid {
 				assetsVolumes[asset.String] = core.Volumes{
-					Input:  input,
-					Output: assetsVolumes[asset.String].Output,
+					Input:  core.NewMonetaryInt(0),
+					Output: core.NewMonetaryInt(0),
 				}
-			}
 
-			if outputStr.Valid {
-				output, err := core.ParseMonetaryInt(outputStr.String)
-				if err != nil {
-					return nil, s.error(err)
+				if inputStr.Valid {
+					input, err := core.ParseMonetaryInt(inputStr.String)
+					if err != nil {
+						return nil, s.error(err)
+					}
+					assetsVolumes[asset.String] = core.Volumes{
+						Input:  input,
+						Output: assetsVolumes[asset.String].Output,
+					}
 				}
-				assetsVolumes[asset.String] = core.Volumes{
-					Input:  assetsVolumes[asset.String].Input,
-					Output: output,
+
+				if outputStr.Valid {
+					output, err := core.ParseMonetaryInt(outputStr.String)
+					if err != nil {
+						return nil, s.error(err)
+					}
+					assetsVolumes[asset.String] = core.Volumes{
+						Input:  assetsVolumes[asset.String].Input,
+						Output: output,
+					}
 				}
 			}
 		}
-	}
-	if err := rows.Err(); err != nil {
-		return nil, s.error(err)
+		if err := rows.Err(); err != nil {
+			return nil, s.error(err)
+		}
 	}
 
 	res := &core.AccountWithVolumes{
@@ -82,6 +90,8 @@
 	}
 	res.Balances = res.Volumes.Balances()
 
+	s.cache.Set(address, res.Copy(), cache.NoExpiration)
+
 	return res, nil
 }