Fix Nimbus Post implementation

eth-node/bridge/nimbus/public_whisper_api.go

@@ -181,7 +181,7 @@ func (w *nimbusPublicWhisperAPIWrapper) Post(ctx context.Context, req types.NewM
 			defer C.free(unsafe.Pointer(symKeyID))
 		}
 		if req.PublicKey != nil && len(req.PublicKey) > 0 {
-			msg.pubKey = (*C.uchar)(C.CBytes(req.PublicKey))
+			msg.pubKey = (*C.uchar)(C.CBytes(req.PublicKey[1:]))
 			defer C.free(unsafe.Pointer(msg.pubKey))
 		}
 		msg.payloadLen = C.size_t(len(req.Payload))

eth-node/bridge/nimbus/whisper.go

@@ -5,12 +5,11 @@ package nimbusbridge
 // https://golang.org/cmd/cgo/
 
 /*
-#cgo LDFLAGS: -Wl,-rpath,'$ORIGIN' -L${SRCDIR} -lnimbus -lpcre -lm
 #include <stddef.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <libnimbus.h>
-void onMessageHandler_cgo(received_message * msg, void* udata); // Forward declaration.
+void onMessageHandler_cgo(received_message* msg, void* udata); // Forward declaration.
 */
 import "C"