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22 results

payload_test.go

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  • plugin.go 3.29 KiB
    package message
    
    import (
    	"net/http"
    
    	"github.com/iotaledger/goshimmer/packages/binary/messagelayer/message"
    	"github.com/iotaledger/goshimmer/plugins/messagelayer"
    	"github.com/iotaledger/goshimmer/plugins/webapi"
    	"github.com/iotaledger/hive.go/logger"
    	"github.com/iotaledger/hive.go/node"
    	"github.com/labstack/echo"
    )
    
    // PluginName is the name of the web API message endpoint plugin.
    const PluginName = "WebAPI message Endpoint"
    
    var (
    	// Plugin is the plugin instance of the web API message endpoint plugin.
    	Plugin = node.NewPlugin(PluginName, node.Enabled, configure)
    	log    *logger.Logger
    )
    
    func configure(plugin *node.Plugin) {
    	log = logger.NewLogger(PluginName)
    	webapi.Server.POST("message/findById", findMessageByID)
    }
    
    // findMessageByID returns the array of messages for the
    // given message ids (MUST be encoded in base58), in the same order as the parameters.
    // If a node doesn't have the message for a given ID in its ledger,
    // the value at the index of that message ID is empty.
    func findMessageByID(c echo.Context) error {
    	var request Request
    	if err := c.Bind(&request); err != nil {
    		log.Info(err.Error())
    		return c.JSON(http.StatusBadRequest, Response{Error: err.Error()})
    	}
    
    	var result []Message
    	for _, id := range request.IDs {
    		log.Info("Received:", id)
    
    		msgID, err := message.NewId(id)
    		if err != nil {
    			log.Info(err)
    			continue
    		}
    
    		msgObject := messagelayer.Tangle.Message(msgID)
    		if !msgObject.Exists() {
    			continue
    		}
    		msgMetadataObject := messagelayer.Tangle.MessageMetadata(msgID)
    		if !msgMetadataObject.Exists() {
    			continue
    		}
    
    		msg := msgObject.Unwrap()
    		msgMetadata := msgMetadataObject.Unwrap()
    
    		msgResp := Message{
    			Metadata: Metadata{
    				Solid:              msgMetadata.IsSolid(),
    				SolidificationTime: msgMetadata.SoldificationTime().Unix(),
    			},
    			ID:              msg.Id().String(),
    			TrunkID:         msg.TrunkId().String(),
    			BranchID:        msg.BranchId().String(),
    			IssuerPublicKey: msg.IssuerPublicKey().String(),
    			IssuingTime:     msg.IssuingTime().Unix(),
    			SequenceNumber:  msg.SequenceNumber(),
    			Payload:         msg.Payload().Bytes(),
    			Signature:       msg.Signature().String(),
    		}
    		result = append(result, msgResp)
    
    		msgMetadataObject.Release()
    		msgObject.Release()
    	}
    
    	return c.JSON(http.StatusOK, Response{Messages: result})
    }
    
    // Response is the HTTP response containing the queried messages.
    type Response struct {
    	Messages []Message `json:"messages,omitempty"`
    	Error    string    `json:"error,omitempty"`
    }
    
    // Request holds the message ids to query.
    type Request struct {
    	IDs []string `json:"ids"`
    }
    
    // Message contains information about a given message.
    type Message struct {
    	Metadata        `json:"metadata,omitempty"`
    	ID              string `json:"ID,omitempty"`
    	TrunkID         string `json:"trunkId,omitempty"`
    	BranchID        string `json:"branchId,omitempty"`
    	IssuerPublicKey string `json:"issuerPublicKey,omitempty"`
    	IssuingTime     int64  `json:"issuingTime,omitempty"`
    	SequenceNumber  uint64 `json:"sequenceNumber,omitempty"`
    	Payload         []byte `json:"payload,omitempty"`
    	Signature       string `json:"signature,omitempty"`
    }
    
    // Metadata contains metadata information of a message.
    type Metadata struct {
    	Solid              bool  `json:"solid,omitempty"`
    	SolidificationTime int64 `json:"solidificationTime,omitempty"`
    }