status-go/wakuv2/storenode_message_verifier.go

60 lines
1.6 KiB
Go

//go:build use_nwaku
// +build use_nwaku
package wakuv2
import (
"context"
"encoding/hex"
"fmt"
"net/http"
"github.com/golang/protobuf/proto"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/waku-org/go-waku/waku/v2/api/publish"
"github.com/waku-org/go-waku/waku/v2/protocol/pb"
storepb "github.com/waku-org/go-waku/waku/v2/protocol/store/pb"
)
type storenodeMessageVerifier struct {
node *WakuNode
}
func newStorenodeMessageVerifier(node *WakuNode) publish.StorenodeMessageVerifier {
return &storenodeMessageVerifier{
node: node,
}
}
func (d *storenodeMessageVerifier) MessageHashesExist(ctx context.Context, requestID []byte, peerInfo peer.AddrInfo, pageSize uint64, messageHashes []pb.MessageHash) ([]pb.MessageHash, error) {
requestIDStr := hex.EncodeToString(requestID)
storeRequest := &storepb.StoreQueryRequest{
RequestId: requestIDStr,
MessageHashes: make([][]byte, len(messageHashes)),
IncludeData: false,
PaginationCursor: nil,
PaginationForward: false,
PaginationLimit: proto.Uint64(pageSize),
}
for i, mhash := range messageHashes {
storeRequest.MessageHashes[i] = mhash.Bytes()
}
response, err := d.node.StoreQuery(ctx, storeRequest, peerInfo)
if err != nil {
return nil, err
}
if response.GetStatusCode() != http.StatusOK {
return nil, fmt.Errorf("could not query storenode: %s %d %s", requestIDStr, response.GetStatusCode(), response.GetStatusDesc())
}
result := make([]pb.MessageHash, len(response.Messages))
for i, msg := range response.Messages {
result[i] = pb.ToMessageHash(msg.GetMessageHash())
}
return result, nil
}