Merge pull request #366 from iotaledger/refactor/remove_getMessageByHash

refactor: Remove web api getMessageByHash

plugins/webapi/getMessageByHash/plugin.go

-package getMessageByHash
-
-import (
-	"net/http"
-
-	"github.com/iotaledger/goshimmer/packages/binary/messagelayer/message"
-	"github.com/iotaledger/goshimmer/plugins/messagelayer"
-	"github.com/labstack/echo"
-
-	"github.com/iotaledger/goshimmer/plugins/webapi"
-
-	"github.com/iotaledger/hive.go/logger"
-	"github.com/iotaledger/hive.go/node"
-)
-
-// PluginName is the name of the web API getMessageByHash endpoint plugin.
-const PluginName = "WebAPI getMessageByHash Endpoint"
-
-var (
-	// Plugin is the plugin instance of the web API getMessageByHash endpoint plugin.
-	Plugin = node.NewPlugin(PluginName, node.Enabled, configure)
-	log    *logger.Logger
-)
-
-func configure(plugin *node.Plugin) {
-	log = logger.NewLogger("API-getMessageByHash")
-	webapi.Server.POST("getMessageByHash", getMessageByHash)
-}
-
-// getMessageByHash returns the array of messages for the
-// given message hashes (in the same order as the parameters).
-// If a node doesn't have the message for a given message hash in its ledger,
-// the value at the index of that message hash is empty.
-func getMessageByHash(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 _, hash := range request.Hashes {
-		log.Info("Received:", hash)
-
-		msgId, err := message.NewId(hash)
-		if err != nil {
-			log.Info(err)
-			continue
-		}
-
-		msgObject := messagelayer.Tangle.Message(msgId)
-		if !msgObject.Exists() {
-			continue
-		}
-
-		msg := msgObject.Unwrap()
-		msgResp := Message{
-			MessageId:       msg.Id().String(),
-			TrunkMessageId:  msg.TrunkId().String(),
-			BranchMessageId: msg.BranchId().String(),
-			IssuerPublicKey: msg.IssuerPublicKey().String(),
-			IssuingTime:     msg.IssuingTime().String(),
-			SequenceNumber:  msg.SequenceNumber(),
-			Payload:         msg.Payload().String(),
-			Signature:       msg.Signature().String(),
-		}
-		result = append(result, msgResp)
-		msgObject.Release()
-	}
-
-	return c.JSON(http.StatusOK, Response{Messages: result})
-}
-
-type Response struct {
-	Messages []Message `json:"messages,omitempty"`
-	Error    string    `json:"error,omitempty"`
-}
-
-type Request struct {
-	Hashes []string `json:"hashes"`
-}
-
-type Message struct {
-	MessageId       string `json:"messageId,omitempty"`
-	TrunkMessageId  string `json:"trunkMessageId,omitempty"`
-	BranchMessageId string `json:"branchMessageId,omitempty"`
-	IssuerPublicKey string `json:"issuerPublicKey,omitempty"`
-	IssuingTime     string `json:"issuingTime,omitempty"`
-	SequenceNumber  uint64 `json:"sequenceNumber,omitempty"`
-	Payload         string `json:"payload,omitempty"`
-	Signature       string `json:"signature,omitempty"`
-}