Add new BlockIssuance function to NodeBridge

pkg/nodebridge/block_issuance.go

@@ -0,0 +1,30 @@
+package nodebridge
+
+import (
+	"context"
+
+	inx "github.com/iotaledger/inx/go"
+	"github.com/iotaledger/iota.go/v4/api"
+)
+
+// BlockIssuance requests the necessary data to issue a block.
+func (n *nodeBridge) BlockIssuance(ctx context.Context, count uint32) (*api.IssuanceBlockHeaderResponse, error) {
+	resp, err := n.client.ReadBlockIssuance(ctx, &inx.BlockIssuanceRequest{MaxStrongParentsCount: count, MaxShallowLikeParentsCount: count, MaxWeakParentsCount: count})
+	if err != nil {
+		return nil, err
+	}
+
+	latestCommitment, err := resp.UnwrapLatestCommitment(n.APIProvider().CommittedAPI())
+	if err != nil {
+		return nil, err
+	}
+
+	return &api.IssuanceBlockHeaderResponse{
+		StrongParents:                resp.UnwrapStrongParents(),
+		WeakParents:                  resp.UnwrapWeakParents(),
+		ShallowLikeParents:           resp.UnwrapShallowLikeParents(),
+		LatestParentBlockIssuingTime: resp.UnwrapLatestParentBlockIssuingTime(),
+		LatestFinalizedSlot:          resp.UnwrapLatestFinalizedSlot(),
+		LatestCommitment:             latestCommitment,
+	}, nil
+}

pkg/nodebridge/node_bridge.go

@@ -110,8 +110,8 @@ type NodeBridge interface {
 	// PruningEpoch returns the pruning epoch.
 	PruningEpoch() iotago.EpochIndex
 
-	// RequestTips requests tips.
-	RequestTips(ctx context.Context, count uint32) (strong iotago.BlockIDs, weak iotago.BlockIDs, shallowLike iotago.BlockIDs, err error)
+	// BlockIssuance requests the necessary data to issue a block.
+	BlockIssuance(ctx context.Context, count uint32) (*api.IssuanceBlockHeaderResponse, error)
 }
 
 var _ NodeBridge = &nodeBridge{}