fix(blob)!: tendermint compatible commitment proof json marshall

blob/commitment_proof.go

@@ -5,6 +5,8 @@
 	"errors"
 	"fmt"
 
+	tmjson "github.com/tendermint/tendermint/libs/json"
+
 	"github.com/celestiaorg/celestia-app/v3/pkg/appconsts"
 	"github.com/celestiaorg/celestia-app/v3/pkg/proof"
 	"github.com/celestiaorg/go-square/v2/inclusion"
@@ -153,3 +155,19 @@
 	// verify row roots to data root proof
 	return commitmentProof.RowProof.VerifyProof(root), nil
 }
+
+// MarshalJSON marshals an CommitmentProof to JSON. Uses tendermint encoder for row proof for compatibility.
+func (c *CommitmentProof) MarshalJSON() ([]byte, error) {
+	// alias the type to avoid going into recursion loop
+	// because tmjson.Marshal invokes custom json Marshalling
+	type Alias CommitmentProof
+	return tmjson.Marshal((*Alias)(c))
+}
+
+// UnmarshalJSON unmarshals an CommitmentProof from JSON. Uses tendermint decoder for row proof for compatibility.
+func (c *CommitmentProof) UnmarshalJSON(data []byte) error {
+	// alias the type to avoid going into recursion loop
+	// because tmjson.Unmarshal invokes custom json Unmarshalling
+	type Alias CommitmentProof
+	return tmjson.Unmarshal(data, (*Alias)(c))
+}