github.com/status-im/status-go@v1.1.0/eth-node/bridge/geth/public_wakuv2_api.go (about)

     1  package gethbridge
     2  
     3  import (
     4  	"context"
     5  
     6  	"github.com/ethereum/go-ethereum/common/hexutil"
     7  
     8  	"github.com/status-im/status-go/eth-node/types"
     9  	"github.com/status-im/status-go/wakuv2"
    10  	wakucommon "github.com/status-im/status-go/wakuv2/common"
    11  )
    12  
    13  type gethPublicWakuV2APIWrapper struct {
    14  	api *wakuv2.PublicWakuAPI
    15  }
    16  
    17  // NewGethPublicWakuAPIWrapper returns an object that wraps Geth's PublicWakuAPI in a types interface
    18  func NewGethPublicWakuV2APIWrapper(api *wakuv2.PublicWakuAPI) types.PublicWakuAPI {
    19  	if api == nil {
    20  		panic("PublicWakuV2API cannot be nil")
    21  	}
    22  
    23  	return &gethPublicWakuV2APIWrapper{
    24  		api: api,
    25  	}
    26  }
    27  
    28  // AddPrivateKey imports the given private key.
    29  func (w *gethPublicWakuV2APIWrapper) AddPrivateKey(ctx context.Context, privateKey types.HexBytes) (string, error) {
    30  	return w.api.AddPrivateKey(ctx, hexutil.Bytes(privateKey))
    31  }
    32  
    33  // GenerateSymKeyFromPassword derives a key from the given password, stores it, and returns its ID.
    34  func (w *gethPublicWakuV2APIWrapper) GenerateSymKeyFromPassword(ctx context.Context, passwd string) (string, error) {
    35  	return w.api.GenerateSymKeyFromPassword(ctx, passwd)
    36  }
    37  
    38  // DeleteKeyPair removes the key with the given key if it exists.
    39  func (w *gethPublicWakuV2APIWrapper) DeleteKeyPair(ctx context.Context, key string) (bool, error) {
    40  	return w.api.DeleteKeyPair(ctx, key)
    41  }
    42  
    43  func (w *gethPublicWakuV2APIWrapper) BloomFilter() []byte {
    44  	return w.api.BloomFilter()
    45  }
    46  
    47  // NewMessageFilter creates a new filter that can be used to poll for
    48  // (new) messages that satisfy the given criteria.
    49  func (w *gethPublicWakuV2APIWrapper) NewMessageFilter(req types.Criteria) (string, error) {
    50  	topics := make([]wakucommon.TopicType, len(req.Topics))
    51  	for index, tt := range req.Topics {
    52  		topics[index] = wakucommon.TopicType(tt)
    53  	}
    54  
    55  	criteria := wakuv2.Criteria{
    56  		SymKeyID:      req.SymKeyID,
    57  		PrivateKeyID:  req.PrivateKeyID,
    58  		Sig:           req.Sig,
    59  		PubsubTopic:   req.PubsubTopic,
    60  		ContentTopics: topics,
    61  	}
    62  	return w.api.NewMessageFilter(criteria)
    63  }
    64  
    65  // GetFilterMessages returns the messages that match the filter criteria and
    66  // are received between the last poll and now.
    67  func (w *gethPublicWakuV2APIWrapper) GetFilterMessages(id string) ([]*types.Message, error) {
    68  	msgs, err := w.api.GetFilterMessages(id)
    69  	if err != nil {
    70  		return nil, err
    71  	}
    72  
    73  	wrappedMsgs := make([]*types.Message, len(msgs))
    74  	for index, msg := range msgs {
    75  		wrappedMsgs[index] = &types.Message{
    76  			Sig:         msg.Sig,
    77  			Timestamp:   msg.Timestamp,
    78  			PubsubTopic: msg.PubsubTopic,
    79  			Topic:       types.TopicType(msg.ContentTopic),
    80  			Payload:     msg.Payload,
    81  			Padding:     msg.Padding,
    82  			Hash:        msg.Hash,
    83  			Dst:         msg.Dst,
    84  		}
    85  	}
    86  	return wrappedMsgs, nil
    87  }
    88  
    89  // Post posts a message on the network.
    90  // returns the hash of the message in case of success.
    91  func (w *gethPublicWakuV2APIWrapper) Post(ctx context.Context, req types.NewMessage) ([]byte, error) {
    92  	msg := wakuv2.NewMessage{
    93  		SymKeyID:     req.SymKeyID,
    94  		PublicKey:    req.PublicKey,
    95  		Sig:          req.SigID, // Sig is really a SigID
    96  		PubsubTopic:  req.PubsubTopic,
    97  		ContentTopic: wakucommon.TopicType(req.Topic),
    98  		Payload:      req.Payload,
    99  		Padding:      req.Padding,
   100  		TargetPeer:   req.TargetPeer,
   101  		Ephemeral:    req.Ephemeral,
   102  		Priority:     req.Priority,
   103  	}
   104  	return w.api.Post(ctx, msg)
   105  }