From f904c8f8b50802275b667db970b336cfe8f3731d Mon Sep 17 00:00:00 2001
From: Matt Curtis <matt@obscu.ro>
Date: Thu, 7 Dec 2023 15:30:43 +0000
Subject: [PATCH 1/2] RPC API: ensure hash field included in batches json

---
 go/common/headers.go                          |  2 +
 .../actions/publicdata/tenscan_data.go        | 41 +++++++++++++++++++
 .../tests/tenscan/tenscan_rpc_test.go         | 24 +++++++++++
 3 files changed, 67 insertions(+)
 create mode 100644 integration/networktest/actions/publicdata/tenscan_data.go
 create mode 100644 integration/networktest/tests/tenscan/tenscan_rpc_test.go

diff --git a/go/common/headers.go b/go/common/headers.go
index 8052324bb7..ef5d392f59 100644
--- a/go/common/headers.go
+++ b/go/common/headers.go
@@ -47,6 +47,7 @@ type BatchHeader struct {
 }
 
 type batchHeaderEncoding struct {
+	Hash             common.Hash     `json:"hash"`
 	ParentHash       L2BatchHash     `json:"parentHash"`
 	Root             common.Hash     `json:"stateRoot"`
 	TxHash           common.Hash     `json:"transactionsRoot"`
@@ -72,6 +73,7 @@ type batchHeaderEncoding struct {
 // MarshalJSON custom marshals the BatchHeader into a json
 func (b *BatchHeader) MarshalJSON() ([]byte, error) {
 	return json.Marshal(batchHeaderEncoding{
+		b.Hash(),
 		b.ParentHash,
 		b.Root,
 		b.TxHash,
diff --git a/integration/networktest/actions/publicdata/tenscan_data.go b/integration/networktest/actions/publicdata/tenscan_data.go
new file mode 100644
index 0000000000..c4c9e1d7f0
--- /dev/null
+++ b/integration/networktest/actions/publicdata/tenscan_data.go
@@ -0,0 +1,41 @@
+package publicdata
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/ten-protocol/go-ten/go/common"
+	"github.com/ten-protocol/go-ten/go/obsclient"
+	"github.com/ten-protocol/go-ten/integration/networktest"
+	"github.com/ten-protocol/go-ten/integration/networktest/actions"
+)
+
+// VerifyBatchesDataAction tests the batches data RPC endpoint
+func VerifyBatchesDataAction() networktest.Action {
+	return actions.VerifyOnlyAction(func(ctx context.Context, network networktest.NetworkConnector) error {
+		client, err := obsclient.Dial(network.ValidatorRPCAddress(0))
+		if err != nil {
+			return err
+		}
+
+		pagination := common.QueryPagination{
+			Offset: 0,
+			Size:   20,
+		}
+		batchListing, err := client.GetBatchesListing(&pagination)
+		if err != nil {
+			return err
+		}
+		if len(batchListing.BatchesData) != 20 {
+			return fmt.Errorf("expected 20 batches, got %d", len(batchListing.BatchesData))
+		}
+		if batchListing.Total <= 10 {
+			return fmt.Errorf("expected more than 10 batches, got %d", batchListing.Total)
+		}
+		if batchListing.BatchesData[0].Number.Cmp(batchListing.BatchesData[1].Number) < 0 {
+			return fmt.Errorf("expected batches to be sorted by height descending")
+		}
+
+		return nil
+	})
+}
diff --git a/integration/networktest/tests/tenscan/tenscan_rpc_test.go b/integration/networktest/tests/tenscan/tenscan_rpc_test.go
new file mode 100644
index 0000000000..fb4b4835c4
--- /dev/null
+++ b/integration/networktest/tests/tenscan/tenscan_rpc_test.go
@@ -0,0 +1,24 @@
+package tenscan
+
+import (
+	"testing"
+
+	"github.com/ten-protocol/go-ten/integration/networktest"
+	"github.com/ten-protocol/go-ten/integration/networktest/actions"
+	"github.com/ten-protocol/go-ten/integration/networktest/actions/publicdata"
+	"github.com/ten-protocol/go-ten/integration/networktest/env"
+)
+
+// Verify and debug the RPC endpoints that Tenscan relies on for data in various environments
+
+func TestRPC(t *testing.T) {
+	networktest.TestOnlyRunsInIDE(t)
+	networktest.Run(
+		"tenscan-rpc-data",
+		t,
+		env.LocalDevNetwork(),
+		actions.Series(
+			publicdata.VerifyBatchesDataAction(),
+		),
+	)
+}

From c9b3f04435a07ac3b2fbc564f79032e9ef920c51 Mon Sep 17 00:00:00 2001
From: Matt Curtis <matt@obscu.ro>
Date: Thu, 7 Dec 2023 16:36:06 +0000
Subject: [PATCH 2/2] review comments: add tests

---
 integration/obscuroscan/obscuroscan_test.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/integration/obscuroscan/obscuroscan_test.go b/integration/obscuroscan/obscuroscan_test.go
index a6424866e1..4d0ecf0589 100644
--- a/integration/obscuroscan/obscuroscan_test.go
+++ b/integration/obscuroscan/obscuroscan_test.go
@@ -136,6 +136,10 @@ func TestObscuroscan(t *testing.T) {
 	assert.NoError(t, err)
 	assert.LessOrEqual(t, 9, len(batchlistingObj.Result.BatchesData))
 	assert.LessOrEqual(t, uint64(9), batchlistingObj.Result.Total)
+	// check results are descending order (latest first)
+	assert.LessOrEqual(t, batchlistingObj.Result.BatchesData[1].Number.Cmp(batchlistingObj.Result.BatchesData[0].Number), 0)
+	// check "hash" field is included in json response
+	assert.Contains(t, string(body), "\"hash\"")
 
 	statusCode, body, err = fasthttp.Get(nil, fmt.Sprintf("%s/items/blocks/?offset=0&size=10", serverAddress))
 	assert.NoError(t, err)