feat(rpc): implementing go-da interface (celestiaorg#3146)

Integrates go-da directly to eliminate the need for
[celestia-da](https://github.com/rollkit/celestia-da).

Makefile

@@ -166,7 +166,7 @@ pb-gen:
 ## openrpc-gen: Generate OpenRPC spec for Celestia-Node's RPC api
 openrpc-gen:
 	@echo "--> Generating OpenRPC spec"
-	@go run ./cmd/docgen fraud header state share das p2p node blob
+	@go run ./cmd/docgen fraud header state share das p2p node blob da
 .PHONY: openrpc-gen
 
 ## lint-imports: Lint only Go imports.

api/rpc/client/client.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/celestiaorg/celestia-node/api/rpc/perms"
 	"github.com/celestiaorg/celestia-node/nodebuilder/blob"
+	"github.com/celestiaorg/celestia-node/nodebuilder/da"
 	"github.com/celestiaorg/celestia-node/nodebuilder/das"
 	"github.com/celestiaorg/celestia-node/nodebuilder/fraud"
 	"github.com/celestiaorg/celestia-node/nodebuilder/header"
@@ -33,6 +34,7 @@ type Client struct {
 	P2P    p2p.API
 	Node   node.API
 	Blob   blob.API
+	DA     da.API
 
 	closer multiClientCloser
 }
@@ -91,5 +93,6 @@ func moduleMap(client *Client) map[string]interface{} {
 		"p2p":    &client.P2P.Internal,
 		"node":   &client.Node.Internal,
 		"blob":   &client.Blob.Internal,
+		"da":     &client.DA.Internal,
 	}
 }

api/rpc_test.go

@@ -22,6 +22,8 @@ import (
 	"github.com/celestiaorg/celestia-node/nodebuilder"
 	"github.com/celestiaorg/celestia-node/nodebuilder/blob"
 	blobMock "github.com/celestiaorg/celestia-node/nodebuilder/blob/mocks"
+	"github.com/celestiaorg/celestia-node/nodebuilder/da"
+	daMock "github.com/celestiaorg/celestia-node/nodebuilder/da/mocks"
 	"github.com/celestiaorg/celestia-node/nodebuilder/das"
 	dasMock "github.com/celestiaorg/celestia-node/nodebuilder/das/mocks"
 	"github.com/celestiaorg/celestia-node/nodebuilder/fraud"
@@ -91,6 +93,7 @@ type api struct {
 	Node   node.Module
 	P2P    p2p.Module
 	Blob   blob.Module
+	DA     da.Module
 }
 
 func TestModulesImplementFullAPI(t *testing.T) {
@@ -297,6 +300,7 @@ func setupNodeWithAuthedRPC(t *testing.T, auth jwt.Signer) (*nodebuilder.Node, *
 		p2pMock.NewMockModule(ctrl),
 		nodeMock.NewMockModule(ctrl),
 		blobMock.NewMockModule(ctrl),
+		daMock.NewMockModule(ctrl),
 	}
 
 	// given the behavior of fx.Invoke, this invoke will be called last as it is added at the root
@@ -310,6 +314,7 @@ func setupNodeWithAuthedRPC(t *testing.T, auth jwt.Signer) (*nodebuilder.Node, *
 		srv.RegisterAuthedService("p2p", mockAPI.P2P, &p2p.API{})
 		srv.RegisterAuthedService("node", mockAPI.Node, &node.API{})
 		srv.RegisterAuthedService("blob", mockAPI.Blob, &blob.API{})
+		srv.RegisterAuthedService("da", mockAPI.DA, &da.API{})
 	})
 	// fx.Replace does not work here, but fx.Decorate does
 	nd := nodebuilder.TestNode(t, node.Full, invokeRPC, fx.Decorate(func() (jwt.Signer, error) {
@@ -334,4 +339,5 @@ type mockAPI struct {
 	P2P    *p2pMock.MockModule
 	Node   *nodeMock.MockModule
 	Blob   *blobMock.MockModule
+	DA     *daMock.MockModule
 }

blob/blob.go

@@ -35,6 +35,33 @@ type Proof []*nmt.Proof
 
 func (p Proof) Len() int { return len(p) }
 
+func (p Proof) MarshalJSON() ([]byte, error) {
+	proofs := make([]string, 0, len(p))
+	for _, proof := range p {
+		proofBytes, err := proof.MarshalJSON()
+		if err != nil {
+			return nil, err
+		}
+		proofs = append(proofs, string(proofBytes))
+	}
+	return json.Marshal(proofs)
+}
+
+func (p *Proof) UnmarshalJSON(b []byte) error {
+	var proofs []string
+	if err := json.Unmarshal(b, &proofs); err != nil {
+		return err
+	}
+	for _, proof := range proofs {
+		var nmtProof nmt.Proof
+		if err := nmtProof.UnmarshalJSON([]byte(proof)); err != nil {
+			return err
+		}
+		*p = append(*p, &nmtProof)
+	}
+	return nil
+}
+
 // equal is a temporary method that compares two proofs.
 // should be removed in BlobService V1.
 func (p Proof) equal(input Proof) error {

go.mod

@@ -52,6 +52,7 @@ require (
 	github.com/prometheus/client_golang v1.18.0
 	github.com/pyroscope-io/client v0.7.2
 	github.com/pyroscope-io/otel-profiling-go v0.5.0
+	github.com/rollkit/go-da v0.4.0
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.8.4

go.sum

@@ -2121,6 +2121,8 @@ github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTE
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
 github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
+github.com/rollkit/go-da v0.4.0 h1:/s7ZrVq7DC2aK8UXIvB7rsXrZ2mVGRw7zrexcxRvhlw=
+github.com/rollkit/go-da v0.4.0/go.mod h1:Kef0XI5ecEKd3TXzI8S+9knAUJnZg0svh2DuXoCsPlM=
 github.com/rs/cors v1.7.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
 github.com/rs/cors v1.8.2 h1:KCooALfAYGs415Cwu5ABvv9n9509fSiG5SQJn/AQo4U=
 github.com/rs/cors v1.8.2/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=

nodebuilder/da/da.go

@@ -0,0 +1,54 @@
+package da
+
+import (
+	"context"
+
+	"github.com/rollkit/go-da"
+)
+
+//go:generate mockgen -destination=mocks/api.go -package=mocks . Module
+type Module interface {
+	da.DA
+}
+
+// API is a wrapper around Module for the RPC.
+// TODO(@distractedm1nd): These structs need to be autogenerated.
+type API struct {
+	Internal struct {
+		MaxBlobSize func(ctx context.Context) (uint64, error)                                            `perm:"read"`
+		Get         func(ctx context.Context, ids []da.ID, ns da.Namespace) ([]da.Blob, error)           `perm:"read"`
+		GetIDs      func(ctx context.Context, height uint64, ns da.Namespace) ([]da.ID, error)           `perm:"read"`
+		GetProofs   func(ctx context.Context, ids []da.ID, ns da.Namespace) ([]da.Proof, error)          `perm:"read"`
+		Commit      func(ctx context.Context, blobs []da.Blob, ns da.Namespace) ([]da.Commitment, error) `perm:"read"`
+		Validate    func(context.Context, []da.ID, []da.Proof, da.Namespace) ([]bool, error)             `perm:"read"`
+		Submit      func(context.Context, []da.Blob, float64, da.Namespace) ([]da.ID, error)             `perm:"write"`
+	}
+}
+
+func (api *API) MaxBlobSize(ctx context.Context) (uint64, error) {
+	return api.Internal.MaxBlobSize(ctx)
+}
+
+func (api *API) Get(ctx context.Context, ids []da.ID, ns da.Namespace) ([]da.Blob, error) {
+	return api.Internal.Get(ctx, ids, ns)
+}
+
+func (api *API) GetIDs(ctx context.Context, height uint64, ns da.Namespace) ([]da.ID, error) {
+	return api.Internal.GetIDs(ctx, height, ns)
+}
+
+func (api *API) GetProofs(ctx context.Context, ids []da.ID, ns da.Namespace) ([]da.Proof, error) {
+	return api.Internal.GetProofs(ctx, ids, ns)
+}
+
+func (api *API) Commit(ctx context.Context, blobs []da.Blob, ns da.Namespace) ([]da.Commitment, error) {
+	return api.Internal.Commit(ctx, blobs, ns)
+}
+
+func (api *API) Validate(ctx context.Context, ids []da.ID, proofs []da.Proof, ns da.Namespace) ([]bool, error) {
+	return api.Internal.Validate(ctx, ids, proofs, ns)
+}
+
+func (api *API) Submit(ctx context.Context, blobs []da.Blob, gasPrice float64, ns da.Namespace) ([]da.ID, error) {
+	return api.Internal.Submit(ctx, blobs, gasPrice, ns)
+}

nodebuilder/da/module.go

@@ -0,0 +1,14 @@
+package da
+
+import (
+	"go.uber.org/fx"
+)
+
+func ConstructModule() fx.Option {
+	return fx.Module("da",
+		fx.Provide(NewService),
+		fx.Provide(func(serv *Service) Module {
+			return serv
+		}),
+	)
+}