Add sign msg method

crypto_dev_signer/eth/signer/defaultsigner.py

@@ -38,3 +38,12 @@ class ReferenceSigner(Signer):
         tx.r = z[:32]
         tx.s = z[32:64]
         return z
+
+
+    def signEthereumMessage(self, address, message, password=None):
+        #msg = b'\x19Ethereum Signed Message:\n{}{}'.format(len(message), message)
+        k = keys.PrivateKey(self.keyGetter.get(address, password))
+        #z = keys.ecdsa_sign(message_hash=g, private_key=k)
+        z = k.sign_msg(message.encode('utf-8'))
+        return z
+

crypto_dev_signer/eth/web3ext/middleware.py

@@ -50,6 +50,7 @@ class PlatformMiddleware:
         return params
 
 
+    # TODO: DRY
     def __call__(self, method, suspect_params):
 
         self.id_seq += 1
@@ -76,12 +77,11 @@ class PlatformMiddleware:
             #return str(json.dumps(jr))
             return jr
 
-        # TODO: DRY
         elif method == 'eth_signTransaction':
             params = PlatformMiddleware._translate_params(suspect_params)
             s = socket.socket(family=socket.AF_UNIX, type=socket.SOCK_STREAM, proto=0)
             ipc_provider_workaround = s.connect(self.ipcaddr)
-            logg.info('redirecting methodd {}  params {} original params {}'.format(method, params, suspect_params))
+            logg.info('redirecting method {}  params {} original params {}'.format(method, params, suspect_params))
             o = jsonrpc_request(method, params[0])
             j = json.dumps(o)
             logg.debug('send {}'.format(j))
@@ -94,6 +94,23 @@ class PlatformMiddleware:
             #return str(json.dumps(jr))
             return jr
 
+        elif method == 'eth_sign':
+            params = PlatformMiddleware._translate_params(suspect_params)
+            s = socket.socket(family=socket.AF_UNIX, type=socket.SOCK_STREAM, proto=0)
+            ipc_provider_workaround = s.connect(self.ipcaddr)
+            logg.info('redirecting method {}  params {} original params {}'.format(method, params, suspect_params))
+            o = jsonrpc_request(method, params[0])
+            j = json.dumps(o)
+            logg.debug('send {}'.format(j))
+            s.send(j.encode('utf-8'))
+            r = s.recv(4096)
+            s.close()
+            logg.debug('got recv {}'.format(str(r)))
+            jr = json.loads(r)
+            jr['id'] = self.id_seq
+            return jr
+
+
 
         r = self.make_request(method, suspect_params)
         return r