diff --git a/cmd/main.go b/cmd/main.go
index 833b45a..91bd2d4 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -16,6 +16,7 @@ import (
 	dauthsecret "github.com/streamingfast/dauth/secret"
 	dauthtrust "github.com/streamingfast/dauth/trust"
 	"github.com/streamingfast/dmetering"
+	dmeteringfile "github.com/streamingfast/dmetering/file"
 	dmeteringgrpc "github.com/streamingfast/dmetering/grpc"
 	dmeteringlogger "github.com/streamingfast/dmetering/logger"
 	firecore "github.com/streamingfast/firehose-core"
@@ -43,6 +44,7 @@ func Main[B firecore.Block](chain *firecore.Chain[B]) {
 	dmetering.RegisterNull()
 	dmeteringgrpc.Register()
 	dmeteringlogger.Register()
+	dmeteringfile.Register()
 	paymentGatewayMetering.Register()
 
 	chain.Validate()
diff --git a/devel/standard/standard.yaml b/devel/standard/standard.yaml
index e83984d..7736f8a 100644
--- a/devel/standard/standard.yaml
+++ b/devel/standard/standard.yaml
@@ -4,8 +4,6 @@ start:
   - merger
   - relayer
   - firehose
-  - substreams-tier1
-  - substreams-tier2
   flags:
     advertise-block-id-encoding: "hex"
     advertise-chain-name: "acme-dummy-blockchain"
diff --git a/firehose/info/endpoint_info.go b/firehose/info/endpoint_info.go
index e57ab9b..c2c4888 100644
--- a/firehose/info/endpoint_info.go
+++ b/firehose/info/endpoint_info.go
@@ -108,6 +108,7 @@ func (s *InfoServer) getBlockFromMergedBlocksStore(ctx context.Context, blockNum
 			time.Sleep(time.Millisecond * 500)
 			continue
 		}
+
 		return block
 	}
 }
diff --git a/go.mod b/go.mod
index dea2a03..abf9bc1 100644
--- a/go.mod
+++ b/go.mod
@@ -24,7 +24,7 @@ require (
 	github.com/streamingfast/derr v0.0.0-20230515163924-8570aaa43fe1
 	github.com/streamingfast/dgrpc v0.0.0-20240423143010-f36784700c9a
 	github.com/streamingfast/dhammer v0.0.0-20230125192823-c34bbd561bd4
-	github.com/streamingfast/dmetering v0.0.0-20240816165719-51768d3da951
+	github.com/streamingfast/dmetering v0.0.0-20241007182823-f92200a54cdb
 	github.com/streamingfast/dmetrics v0.0.0-20230919161904-206fa8ebd545
 	github.com/streamingfast/dstore v0.1.1-0.20240826190906-91345d4a31f2
 	github.com/streamingfast/jsonpb v0.0.0-20210811021341-3670f0aa02d0
@@ -175,7 +175,7 @@ require (
 	go.uber.org/automaxprocs v1.5.1
 	golang.org/x/crypto v0.23.0 // indirect
 	golang.org/x/mod v0.17.0 // indirect
-	golang.org/x/net v0.23.0 // indirect
+	golang.org/x/net v0.23.0
 	golang.org/x/oauth2 v0.18.0
 	golang.org/x/sync v0.8.0 // indirect
 	golang.org/x/sys v0.24.0 // indirect
diff --git a/go.sum b/go.sum
index 3e635cf..acb9a36 100644
--- a/go.sum
+++ b/go.sum
@@ -551,8 +551,8 @@ github.com/streamingfast/dgrpc v0.0.0-20240423143010-f36784700c9a h1:JwAGZ7f5vkB
 github.com/streamingfast/dgrpc v0.0.0-20240423143010-f36784700c9a/go.mod h1:EPtUX/vhRphE37Zo6sDcgD/S3sm5YqXHhxAgzS6Ebwo=
 github.com/streamingfast/dhammer v0.0.0-20230125192823-c34bbd561bd4 h1:HKi8AIkLBzxZWmbCRUo1RxoOLK33iXO6gZprfsE9rf4=
 github.com/streamingfast/dhammer v0.0.0-20230125192823-c34bbd561bd4/go.mod h1:ehPytv7E4rI65iLcrwTes4rNGGqPPiugnH+20nDQyp4=
-github.com/streamingfast/dmetering v0.0.0-20240816165719-51768d3da951 h1:6o6MS3JHrp9A7V6EBHbR7W7mzVCFmXc8U0AjTfvz7PI=
-github.com/streamingfast/dmetering v0.0.0-20240816165719-51768d3da951/go.mod h1:UqWuX3REU/IInBUaymFN2eLjuvz+/0SsoUFjeQlLNyI=
+github.com/streamingfast/dmetering v0.0.0-20241007182823-f92200a54cdb h1:SooWpzSSU04Z321lLWS6OkTAgoXH0qQEv5mVUi4b+q8=
+github.com/streamingfast/dmetering v0.0.0-20241007182823-f92200a54cdb/go.mod h1:UqWuX3REU/IInBUaymFN2eLjuvz+/0SsoUFjeQlLNyI=
 github.com/streamingfast/dmetrics v0.0.0-20230919161904-206fa8ebd545 h1:SUl04bZKGAv207lp7/6CHOJIRpjUKunwItrno3K463Y=
 github.com/streamingfast/dmetrics v0.0.0-20230919161904-206fa8ebd545/go.mod h1:JbxEDbzWRG1dHdNIPrYfuPllEkktZMgm40AwVIBENcw=
 github.com/streamingfast/dstore v0.1.1-0.20240826190906-91345d4a31f2 h1:BB3VSDl8/OHBSvjqfgufwqr4tD5l7XPjXybDm6uudj4=
diff --git a/test/integration_test.go b/test/integration_test.go
new file mode 100644
index 0000000..62f1fff
--- /dev/null
+++ b/test/integration_test.go
@@ -0,0 +1,226 @@
+package test
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"testing"
+	"time"
+
+	_ "github.com/streamingfast/dmetering/file"
+	"github.com/streamingfast/substreams/client"
+	"github.com/streamingfast/substreams/manifest"
+	pbsubstreamsrpc "github.com/streamingfast/substreams/pb/sf/substreams/rpc/v2"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/net/context"
+)
+
+type Case struct {
+	name         string
+	spkgRootPath string
+	moduleName   string
+	startBlock   uint64
+	// set endBlock to 0 to connect live
+	endBlock          uint64
+	expectedReadBytes float64
+}
+
+func TestIntegration(t *testing.T) {
+	if os.Getenv("RUN_INTEGRATION_TESTS") != "true" {
+		t.Skip()
+	}
+
+	cases := []Case{
+		{
+			name:              "sunny path",
+			spkgRootPath:      "./substreams_acme/substreams-acme-v0.1.0.spkg",
+			moduleName:        "map_test_data",
+			startBlock:        0,
+			endBlock:          1000,
+			expectedReadBytes: 696050,
+		},
+
+		{
+			name:              "sunny path",
+			spkgRootPath:      "./substreams_acme/substreams-acme-v0.1.0.spkg",
+			moduleName:        "map_test_data",
+			startBlock:        0,
+			endBlock:          0,
+			expectedReadBytes: 696050,
+		},
+	}
+
+	ctx := context.Background()
+
+	rootPath, err := filepath.Abs("../")
+	if err != nil {
+		t.Fatalf("getting absolute path: %v", err)
+	}
+
+	go func() {
+		err = runTier1(ctx, t, rootPath)
+		require.NoError(t, err)
+	}()
+
+	go func() {
+		err = runTier2(ctx, t, rootPath)
+		require.NoError(t, err)
+	}()
+
+	var meteringServer *MeteringTestServer
+	go func() {
+		meteringServer = NewMeteringServer(t, ":10016")
+		meteringServer.Run()
+	}()
+
+	clientConfig := client.NewSubstreamsClientConfig("localhost:9003", "", 0, false, true)
+	substreamsClient, _, _, _, err := client.NewSubstreamsClient(clientConfig)
+	require.NoError(t, err)
+
+	// WAIT SERVERS TO BE READY
+	time.Sleep(15 * time.Second)
+
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			if c.endBlock == 0 {
+				// RUN LIVE
+				go func() {
+					err = runDummyNode(ctx, t)
+					require.NoError(t, err)
+				}()
+			}
+
+			err = requestTier1(ctx, t, c, substreamsClient)
+			require.NoError(t, err)
+
+			resultEvents := meteringServer.bufferedEvents
+			var totalReadBytes float64
+			for _, events := range resultEvents {
+				for _, event := range events.Events {
+					for _, metric := range event.Metrics {
+						// TODO : CHOOSE THE RIGHT METRIC
+						if metric.Key == "file_uncompressed_read_bytes" {
+							totalReadBytes += metric.Value
+						}
+					}
+				}
+			}
+
+			require.Equal(t, c.expectedReadBytes, totalReadBytes)
+			meteringServer.clearBufferedEvents()
+		})
+	}
+}
+
+func runTier1(ctx context.Context, t *testing.T, rootDir string) error {
+	cmdPath := filepath.Join(rootDir, "/cmd/firecore")
+	firehoseDataStoragePath := filepath.Join(rootDir, "devel/standard/firehose-data/storage/")
+	mergedBlocksStore := fmt.Sprintf("file://%s", filepath.Join(firehoseDataStoragePath, "merged-blocks"))
+	forkedBlocksStore := fmt.Sprintf("file://%s", filepath.Join(firehoseDataStoragePath, "forked-blocks"))
+	oneBlocksStore := fmt.Sprintf("file://%s", filepath.Join(firehoseDataStoragePath, "one-blocks"))
+
+	tier1Args := []string{
+		"run",
+		cmdPath,
+		"start", "substreams-tier1",
+		"--config-file=",
+		"--log-to-file=false",
+		"--common-auth-plugin=null://",
+		fmt.Sprintf("--common-tmp-dir=%s", t.TempDir()),
+		fmt.Sprintf("--common-metering-plugin=grpc://localhost:10016?network=dummy_blockchain"),
+		"--common-system-shutdown-signal-delay=30s",
+		fmt.Sprintf("--common-merged-blocks-store-url=%s", mergedBlocksStore),
+		fmt.Sprintf("--common-one-block-store-url=%s", oneBlocksStore),
+		fmt.Sprintf("--common-forked-blocks-store-url=%s", forkedBlocksStore),
+		"--common-live-blocks-addr=localhost:10014",
+		"--common-first-streamable-block=0",
+		"--substreams-tier1-grpc-listen-addr=:9003",
+		"--substreams-tier1-subrequests-endpoint=localhost:9004",
+		"--substreams-tier1-subrequests-insecure=false",
+		"--substreams-tier1-subrequests-plaintext=true",
+		fmt.Sprintf("--substreams-state-store-url=%s/substreams_dummy", t.TempDir()),
+		"--substreams-state-store-default-tag=vtestdummy",
+	}
+
+	tier1Cmd := exec.CommandContext(ctx, "go", tier1Args...)
+
+	err := handlingTestInstance(t, tier1Cmd, "TIER1", true)
+	if err != nil {
+		return fmt.Errorf("handling instance %w", err)
+	}
+
+	return err
+}
+
+func runTier2(ctx context.Context, t *testing.T, rootDir string) error {
+	cmdPath := rootDir + "/cmd/firecore"
+	tier2Args := []string{
+		"run",
+		cmdPath,
+		"start", "substreams-tier2",
+		"--config-file=",
+		"--log-to-file=false",
+		fmt.Sprintf("--common-tmp-dir=%s", t.TempDir()),
+		"--substreams-tier2-grpc-listen-addr=:9004",
+		"--substreams-tier1-subrequests-plaintext=true",
+		"--substreams-tier1-subrequests-insecure=false",
+	}
+
+	tier2Cmd := exec.CommandContext(ctx, "go", tier2Args...)
+
+	err := handlingTestInstance(t, tier2Cmd, "TIER2", true)
+	if err != nil {
+		return fmt.Errorf("handling instance %w", err)
+	}
+
+	return err
+}
+
+func runDummyNode(ctx context.Context, t *testing.T) error {
+	launchDummyCmd := exec.CommandContext(ctx, "../devel/standard/start.sh")
+
+	err := handlingTestInstance(t, launchDummyCmd, "DUMMY_BLOCKCHAIN", true)
+	if err != nil {
+		return fmt.Errorf("handling instance %w", err)
+	}
+
+	return err
+}
+
+func requestTier1(ctx context.Context, t *testing.T, testCase Case, substreamsClient pbsubstreamsrpc.StreamClient) error {
+	manifestReader, err := manifest.NewReader(testCase.spkgRootPath)
+	require.NoError(t, err)
+
+	pkgBundle, err := manifestReader.Read()
+	require.NoError(t, err)
+
+	require.NotEmptyf(t, pkgBundle, "pkgBundle is empty")
+
+	request := pbsubstreamsrpc.Request{
+		StartBlockNum:                       int64(testCase.startBlock),
+		StartCursor:                         "",
+		StopBlockNum:                        testCase.endBlock,
+		FinalBlocksOnly:                     false,
+		ProductionMode:                      false,
+		OutputModule:                        testCase.moduleName,
+		Modules:                             pkgBundle.Package.Modules,
+		DebugInitialStoreSnapshotForModules: nil,
+		NoopMode:                            false,
+	}
+
+	stream, err := substreamsClient.Blocks(ctx, &request)
+	require.NoError(t, err)
+
+	for {
+		block, err := stream.Recv()
+		if err == io.EOF {
+			break
+		}
+		require.NoError(t, err)
+
+		t.Logf("[REQUESTER]: %v", block)
+	}
+	return nil
+}
diff --git a/test/metering_server.go b/test/metering_server.go
new file mode 100644
index 0000000..aa27c41
--- /dev/null
+++ b/test/metering_server.go
@@ -0,0 +1,57 @@
+package test
+
+import (
+	"context"
+	"net"
+	"testing"
+
+	"github.com/test-go/testify/require"
+
+	pbmetering "github.com/streamingfast/dmetering/pb/sf/metering/v1"
+	"google.golang.org/grpc"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+type MeteringTestServer struct {
+	pbmetering.UnimplementedMeteringServer
+	httpListenAddr string
+	t              *testing.T
+	bufferedEvents []*pbmetering.Events
+}
+
+func NewMeteringServer(t *testing.T, httpListenAddr string) *MeteringTestServer {
+	return &MeteringTestServer{
+		t:              t,
+		httpListenAddr: httpListenAddr,
+		bufferedEvents: make([]*pbmetering.Events, 0),
+	}
+}
+
+func (s *MeteringTestServer) Run() {
+	lis, err := net.Listen("tcp", s.httpListenAddr)
+	if err != nil {
+		require.NoError(s.t, err)
+	}
+
+	grpcServer := grpc.NewServer()
+
+	pbmetering.RegisterMeteringServer(grpcServer, s)
+
+	s.t.Logf("[Metering]: Server listening port %s", s.httpListenAddr)
+	if err = grpcServer.Serve(lis); err != nil {
+		require.NoError(s.t, err)
+	}
+}
+
+func (s *MeteringTestServer) Emit(ctx context.Context, events *pbmetering.Events) (*emptypb.Empty, error) {
+	s.bufferedEvents = append(s.bufferedEvents, events)
+	return &emptypb.Empty{}, nil
+}
+
+func (s *MeteringTestServer) mustEmbedUnimplementedMeteringServer() {
+	panic("implement me")
+}
+
+func (s *MeteringTestServer) clearBufferedEvents() {
+	s.bufferedEvents = make([]*pbmetering.Events, 0)
+}
diff --git a/test/substreams_acme/.gitignore b/test/substreams_acme/.gitignore
new file mode 100644
index 0000000..4cc5cd3
--- /dev/null
+++ b/test/substreams_acme/.gitignore
@@ -0,0 +1,11 @@
+# substreams auth file
+.substreams.env
+
+# Compiled source files
+target/
+
+# Sink data when running any sinker
+sink-data/
+
+# The spkg packed by the subtreams cli
+*.spkg
\ No newline at end of file
diff --git a/test/substreams_acme/Cargo.lock b/test/substreams_acme/Cargo.lock
new file mode 100644
index 0000000..30fd5a9
--- /dev/null
+++ b/test/substreams_acme/Cargo.lock
@@ -0,0 +1,1195 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86fdf8605db99b54d3cd748a44c6d04df638eb5dafb219b135d0149bd0db01f6"
+
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
+[[package]]
+name = "autocfg"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
+
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
+[[package]]
+name = "bigdecimal"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6773ddc0eafc0e509fb60e48dff7f450f8e674a0686ae8605e8d9901bd5eefa"
+dependencies = [
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
+[[package]]
+name = "bitvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc2832c24239b0141d5674bb9174f9d68a8b5b3f2753311927c172ca46f7e9c"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "byte-slice-cast"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3ac9f8b63eca6fd385229b3675f6cc0dc5c8a5c8a54a59d4f52ffd670d87b0c"
+
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
+[[package]]
+name = "bytes"
+version = "1.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "428d9aa8fbc0670b7b8d6030a7fadd0f86151cae55e4dbbece15f3780a3dfaf3"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "cpufeatures"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "608697df725056feaccfa42cffdaeeec3fccc4ffc38358ecd19b243e716a78e0"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "errno"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "ethabi"
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diff --git a/test/substreams_acme/Cargo.toml b/test/substreams_acme/Cargo.toml
new file mode 100644
index 0000000..00f54f6
--- /dev/null
+++ b/test/substreams_acme/Cargo.toml
@@ -0,0 +1,34 @@
+[package]
+name = "substreams_acme"
+version = "0.0.1"
+edition = "2021"
+
+[lib]
+name = "substreams"
+crate-type = ["cdylib"]
+
+[dependencies]
+ethabi = "17"
+hex-literal = "0.3.4"
+num-bigint = "0.4"
+num-traits = "0.2.15"
+prost = "0.11"
+prost-types = "0.11"
+substreams = "0.5.21"
+substreams-ethereum = "0.9"
+substreams-database-change = "1"
+substreams-entity-change = "1"
+
+# Required so that ethabi > ethereum-types build correctly under wasm32-unknown-unknown
+[target.wasm32-unknown-unknown.dependencies]
+getrandom = { version = "0.2", features = ["custom"] }
+
+[build-dependencies]
+anyhow = "1"
+substreams-ethereum = "0.9"
+regex = "1.8"
+
+[profile.release]
+lto = true
+opt-level = 's'
+strip = "debuginfo"
diff --git a/test/substreams_acme/README.md b/test/substreams_acme/README.md
new file mode 100644
index 0000000..d35a0f2
--- /dev/null
+++ b/test/substreams_acme/README.md
@@ -0,0 +1,18 @@
+# substreams_acme Substreams modules
+
+This package was initialized via `substreams init`, using the `evm-minimal` template.
+
+## Usage
+
+```bash
+substreams build
+substreams auth
+substreams gui
+```
+
+## Modules
+
+### `map_my_data`
+
+This module extracts small bits of block data, and does simple computations over the 
+number of **transactions** in each block.
diff --git a/test/substreams_acme/buf.gen.yaml b/test/substreams_acme/buf.gen.yaml
new file mode 100644
index 0000000..7e84c64
--- /dev/null
+++ b/test/substreams_acme/buf.gen.yaml
@@ -0,0 +1,12 @@
+
+version: v1
+plugins:
+- plugin: buf.build/community/neoeinstein-prost:v0.2.2
+  out: /Users/arnaudberger/StreamingFast/firehose-core/test/substreams_acme/src/pb
+  opt:
+    - file_descriptor_set=false
+
+- plugin: buf.build/community/neoeinstein-prost-crate:v0.3.1
+  out: /Users/arnaudberger/StreamingFast/firehose-core/test/substreams_acme/src/pb
+  opt:
+    - no_features
diff --git a/test/substreams_acme/generator.json b/test/substreams_acme/generator.json
new file mode 100644
index 0000000..849376d
--- /dev/null
+++ b/test/substreams_acme/generator.json
@@ -0,0 +1,7 @@
+{
+  "generator": "evm-minimal",
+  "state": {
+    "name": "substreams_acme",
+    "chainName": "mainnet"
+  }
+}
\ No newline at end of file
diff --git a/test/substreams_acme/proto/sf/acme/type/v1/type.proto b/test/substreams_acme/proto/sf/acme/type/v1/type.proto
new file mode 100644
index 0000000..b6ae620
--- /dev/null
+++ b/test/substreams_acme/proto/sf/acme/type/v1/type.proto
@@ -0,0 +1,45 @@
+syntax = "proto3";
+
+package sf.acme.type.v1;
+
+option go_package = "github.com/streamingfast/firehose-acme/pb/sf/acme/type/v1;pbacme";
+
+message BlockHeader {
+  uint64 height = 1;
+  string hash = 2;
+  optional uint64 previous_num = 3;
+  optional string previous_hash = 4;
+  uint64 final_num = 5;
+  string final_hash = 6;
+  uint64 timestamp = 7;
+}
+
+message Block {
+  BlockHeader header = 1;
+  repeated Transaction transactions = 2;
+}
+
+message Transaction {
+  string type = 1;
+  string hash = 2;
+  string sender = 3;
+  string receiver = 4;
+  BigInt amount = 5;
+  BigInt fee = 6;
+  bool success = 7;
+  repeated Event events = 8;
+}
+
+message Event {
+  string type = 1;
+  repeated Attribute attributes = 2;
+}
+
+message Attribute {
+  string key = 1;
+  string value = 2;
+}
+
+message BigInt {
+  bytes bytes = 1;
+}
diff --git a/test/substreams_acme/proto/testdata.proto b/test/substreams_acme/proto/testdata.proto
new file mode 100644
index 0000000..e2b40a4
--- /dev/null
+++ b/test/substreams_acme/proto/testdata.proto
@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+import "google/protobuf/timestamp.proto";
+
+package testdata.v1;
+
+message TestData {
+  string block_hash = 1;
+  uint64 block_number = 2;
+  google.protobuf.Timestamp block_timestamp = 3;
+  uint64 transactions_len = 4;
+}
\ No newline at end of file
diff --git a/test/substreams_acme/src/lib.rs b/test/substreams_acme/src/lib.rs
new file mode 100644
index 0000000..e5b76d8
--- /dev/null
+++ b/test/substreams_acme/src/lib.rs
@@ -0,0 +1,19 @@
+mod pb;
+
+use num_traits::ToPrimitive;
+use pb::testdata::v1 as testdata;
+use pb::sf::acme::r#type::v1::Block;
+
+use substreams::Hex;
+
+
+substreams_ethereum::init!();
+
+#[substreams::handlers::map]
+fn map_test_data(blk: Block) -> testdata::TestData {
+    let mut test_data = testdata::TestData::default();
+    let header = blk.header.clone().unwrap();
+    test_data.block_hash = Hex(header.hash).to_string();
+    test_data.block_number = header.height.to_u64().unwrap();
+    test_data
+}
diff --git a/test/substreams_acme/src/pb/mod.rs b/test/substreams_acme/src/pb/mod.rs
new file mode 100644
index 0000000..e2d9f36
--- /dev/null
+++ b/test/substreams_acme/src/pb/mod.rs
@@ -0,0 +1,19 @@
+// @generated
+pub mod sf {
+    pub mod acme {
+        pub mod r#type {
+            // @@protoc_insertion_point(attribute:sf.acme.type.v1)
+            pub mod v1 {
+                include!("sf.acme.type.v1.rs");
+                // @@protoc_insertion_point(sf.acme.type.v1)
+            }
+        }
+    }
+}
+pub mod testdata {
+    // @@protoc_insertion_point(attribute:testdata.v1)
+    pub mod v1 {
+        include!("testdata.v1.rs");
+        // @@protoc_insertion_point(testdata.v1)
+    }
+}
diff --git a/test/substreams_acme/src/pb/sf.acme.type.v1.rs b/test/substreams_acme/src/pb/sf.acme.type.v1.rs
new file mode 100644
index 0000000..84ebcca
--- /dev/null
+++ b/test/substreams_acme/src/pb/sf.acme.type.v1.rs
@@ -0,0 +1,70 @@
+// @generated
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct BlockHeader {
+    #[prost(uint64, tag="1")]
+    pub height: u64,
+    #[prost(string, tag="2")]
+    pub hash: ::prost::alloc::string::String,
+    #[prost(uint64, optional, tag="3")]
+    pub previous_num: ::core::option::Option<u64>,
+    #[prost(string, optional, tag="4")]
+    pub previous_hash: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(uint64, tag="5")]
+    pub final_num: u64,
+    #[prost(string, tag="6")]
+    pub final_hash: ::prost::alloc::string::String,
+    #[prost(uint64, tag="7")]
+    pub timestamp: u64,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Block {
+    #[prost(message, optional, tag="1")]
+    pub header: ::core::option::Option<BlockHeader>,
+    #[prost(message, repeated, tag="2")]
+    pub transactions: ::prost::alloc::vec::Vec<Transaction>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Transaction {
+    #[prost(string, tag="1")]
+    pub r#type: ::prost::alloc::string::String,
+    #[prost(string, tag="2")]
+    pub hash: ::prost::alloc::string::String,
+    #[prost(string, tag="3")]
+    pub sender: ::prost::alloc::string::String,
+    #[prost(string, tag="4")]
+    pub receiver: ::prost::alloc::string::String,
+    #[prost(message, optional, tag="5")]
+    pub amount: ::core::option::Option<BigInt>,
+    #[prost(message, optional, tag="6")]
+    pub fee: ::core::option::Option<BigInt>,
+    #[prost(bool, tag="7")]
+    pub success: bool,
+    #[prost(message, repeated, tag="8")]
+    pub events: ::prost::alloc::vec::Vec<Event>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Event {
+    #[prost(string, tag="1")]
+    pub r#type: ::prost::alloc::string::String,
+    #[prost(message, repeated, tag="2")]
+    pub attributes: ::prost::alloc::vec::Vec<Attribute>,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Attribute {
+    #[prost(string, tag="1")]
+    pub key: ::prost::alloc::string::String,
+    #[prost(string, tag="2")]
+    pub value: ::prost::alloc::string::String,
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct BigInt {
+    #[prost(bytes="vec", tag="1")]
+    pub bytes: ::prost::alloc::vec::Vec<u8>,
+}
+// @@protoc_insertion_point(module)
diff --git a/test/substreams_acme/src/pb/testdata.v1.rs b/test/substreams_acme/src/pb/testdata.v1.rs
new file mode 100644
index 0000000..6f30bb8
--- /dev/null
+++ b/test/substreams_acme/src/pb/testdata.v1.rs
@@ -0,0 +1,14 @@
+// @generated
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TestData {
+    #[prost(string, tag="1")]
+    pub block_hash: ::prost::alloc::string::String,
+    #[prost(uint64, tag="2")]
+    pub block_number: u64,
+    #[prost(message, optional, tag="3")]
+    pub block_timestamp: ::core::option::Option<::prost_types::Timestamp>,
+    #[prost(uint64, tag="4")]
+    pub transactions_len: u64,
+}
+// @@protoc_insertion_point(module)
diff --git a/test/substreams_acme/substreams.yaml b/test/substreams_acme/substreams.yaml
new file mode 100644
index 0000000..c17173d
--- /dev/null
+++ b/test/substreams_acme/substreams.yaml
@@ -0,0 +1,29 @@
+specVersion: v0.1.0
+package:
+  name: substreams_acme
+  version: v0.1.0
+
+protobuf:
+  files:
+    - testdata.proto
+    - sf/acme/type/v1/type.proto
+  importPaths:
+    - ./proto
+  excludePaths:
+    - sf/substreams
+    - google
+
+binaries:
+  default:
+    type: wasm/rust-v1
+    file: ./target/wasm32-unknown-unknown/release/substreams.wasm
+
+modules:
+ - name: map_test_data
+   kind: map
+   inputs:
+   - source: sf.acme.type.v1.Block
+   output :
+    type: proto:testdata.v1.TestData
+
+network: mainnet
diff --git a/test/utils.go b/test/utils.go
new file mode 100644
index 0000000..1a8d33f
--- /dev/null
+++ b/test/utils.go
@@ -0,0 +1,60 @@
+package test
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os/exec"
+	"testing"
+)
+
+func loggingStdout(t *testing.T, stdoutPipe io.ReadCloser, instance string) {
+	go func() {
+		scanner := bufio.NewScanner(stdoutPipe)
+		for scanner.Scan() {
+			// Log the stdout output as it comes in
+			t.Logf("[%s stdout]: %s", instance, scanner.Text())
+		}
+		if err := scanner.Err(); err != nil {
+			t.Logf("Error reading %s stdout: %v", instance, err)
+		}
+	}()
+}
+
+func loggingStderr(t *testing.T, stderrPipe io.ReadCloser, instance string) {
+	go func() {
+		scanner := bufio.NewScanner(stderrPipe)
+		for scanner.Scan() {
+			t.Logf("[%s stderr]: %s", instance, scanner.Text())
+		}
+		if err := scanner.Err(); err != nil {
+			t.Logf("Error reading %s stderr: %v", instance, err)
+		}
+	}()
+}
+
+func handlingTestInstance(t *testing.T, cmd *exec.Cmd, instance string, withLog bool) error {
+	stdoutPipe, err := cmd.StdoutPipe()
+	if err != nil {
+		return err
+	}
+	stderrPipe, err := cmd.StderrPipe()
+	if err != nil {
+		return err
+	}
+
+	if withLog {
+		loggingStdout(t, stdoutPipe, instance)
+		loggingStderr(t, stderrPipe, instance)
+	}
+
+	if err = cmd.Start(); err != nil {
+		return err
+	}
+
+	if err = cmd.Wait(); err != nil {
+		return fmt.Errorf("%s process failed: %w", instance, err)
+	}
+
+	return err
+}
diff --git a/well-known/chains.go b/well-known/chains.go
index d443cf1..213885d 100644
--- a/well-known/chains.go
+++ b/well-known/chains.go
@@ -29,6 +29,18 @@ type Chain struct {
 type WellKnownProtocolList []WellKnownProtocol
 
 var WellKnownProtocols = WellKnownProtocolList([]WellKnownProtocol{
+	{
+		Name:          "acme",
+		BlockType:     "sf.acme.type.v1.Block",
+		BytesEncoding: pbfirehose.InfoResponse_BLOCK_ID_ENCODING_HEX,
+		KnownChains: []*Chain{
+			{
+				Name:               "acme-dummy-blockchain",
+				GenesisBlockID:     "5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9",
+				GenesisBlockNumber: 0,
+			},
+		},
+	},
 	{
 		Name:          "ethereum",
 		BlockType:     "sf.ethereum.type.v2.Block",