diff --git a/trezorctl b/trezorctl
index 35b9abfd9..e9dd545cf 100755
--- a/trezorctl
+++ b/trezorctl
@@ -1061,16 +1061,25 @@ def stellar_sign_transaction(connect, b64envelope, address, network_passphrase):
 @click.pass_obj
 def ripple_get_address(connect, address, show_display):
     client = connect()
-    return ripple.ripple_get_address(client, address, show_display)
+    address_n = tools.parse_path(address)
+    return ripple.ripple_get_address(client, address_n, show_display)
 
 
 @cli.command(help='Sign Ripple transaction')
 @click.option('-n', '--address', required=True, help="BIP-32 path to key, e.g. m/44'/144'/0'/0/0")
+@click.option('-f', '--file', type=click.File('r'), default='-', help='Transaction in JSON format')
 @click.pass_obj
-def ripple_sign_transaction(connect, address, show_display):
+def ripple_sign_tx(connect, address, file):
     client = connect()
-    # todo load from json
-    return ripple.ripple_sign_tx(client, address, show_display)
+    address_n = tools.parse_path(address)
+    msg = ripple.create_sign_tx_msg(json.load(file))
+
+    result = ripple.ripple_sign_tx(client, address_n, msg)
+    click.echo("Signature:")
+    click.echo(binascii.hexlify(result.signature))
+    click.echo()
+    click.echo("Serialized tx including the signature:")
+    click.echo(binascii.hexlify(result.serialized_tx))
 
 #
 # Main
diff --git a/trezorlib/ripple.py b/trezorlib/ripple.py
index e1fdf1d3a..8c87a8115 100644
--- a/trezorlib/ripple.py
+++ b/trezorlib/ripple.py
@@ -32,13 +32,12 @@ def ripple_get_address(client, address_n, show_display=False):
 
 
 @expect(messages.RippleSignedTx)
-def ripple_sign_tx(client, address_n, transaction):
-    msg = _create_sign_tx(transaction)
+def ripple_sign_tx(client, address_n, msg: messages.RippleSignTx):
     msg.address_n = address_n
     return client.call(msg)
 
 
-def _create_sign_tx(transaction) -> messages.RippleSignTx:
+def create_sign_tx_msg(transaction) -> messages.RippleSignTx:
     if not all(transaction.get(k) for k in ("Fee", "Sequence", "TransactionType", "Amount", "Destination")):
         raise ValueError("Some of the required fields missing (Fee, Sequence, TransactionType, Amount, Destination")
     if transaction["TransactionType"] != "Payment":
diff --git a/trezorlib/tests/device_tests/test_msg_ripple_sign_tx.py b/trezorlib/tests/device_tests/test_msg_ripple_sign_tx.py
index 568dfd593..da2c28f41 100644
--- a/trezorlib/tests/device_tests/test_msg_ripple_sign_tx.py
+++ b/trezorlib/tests/device_tests/test_msg_ripple_sign_tx.py
@@ -20,8 +20,8 @@ from .common import TrezorTest
 from .conftest import TREZOR_VERSION
 from binascii import unhexlify
 from trezorlib import messages
+from trezorlib import ripple
 from trezorlib.client import CallException
-from trezorlib.ripple import ripple_sign_tx
 from trezorlib.tools import parse_path
 
 
@@ -33,57 +33,52 @@ class TestMsgRippleSignTx(TrezorTest):
     def test_ripple_sign_simple_tx(self):
         self.setup_mnemonic_allallall()
 
-        resp = ripple_sign_tx(
-            self.client,
-            parse_path("m/44'/144'/0'/0/0"), {
-                "TransactionType": "Payment",
-                "Destination": "rBKz5MC2iXdoS3XgnNSYmF69K1Yo4NS3Ws",
-                "Amount": 100000000,
-                "Flags": 0x80000000,
-                "Fee": 100000,
-                "Sequence": 25,
-            })
+        msg = ripple.create_sign_tx_msg({
+            "TransactionType": "Payment",
+            "Destination": "rBKz5MC2iXdoS3XgnNSYmF69K1Yo4NS3Ws",
+            "Amount": 100000000,
+            "Flags": 0x80000000,
+            "Fee": 100000,
+            "Sequence": 25,
+        })
+        resp = ripple.ripple_sign_tx(self.client, parse_path("m/44'/144'/0'/0/0"), msg)
         assert resp.signature == unhexlify('3045022100e243ef623675eeeb95965c35c3e06d63a9fc68bb37e17dc87af9c0af83ec057e02206ca8aa5eaab8396397aef6d38d25710441faf7c79d292ee1d627df15ad9346c0')
         assert resp.serialized_tx == unhexlify('12000022800000002400000019614000000005f5e1006840000000000186a0732102131facd1eab748d6cddc492f54b04e8c35658894f4add2232ebc5afe7521dbe474473045022100e243ef623675eeeb95965c35c3e06d63a9fc68bb37e17dc87af9c0af83ec057e02206ca8aa5eaab8396397aef6d38d25710441faf7c79d292ee1d627df15ad9346c081148fb40e1ffa5d557ce9851a535af94965e0dd098883147148ebebf7304ccdf1676fefcf9734cf1e780826')
 
-        resp = ripple_sign_tx(
-            self.client,
-            parse_path("m/44'/144'/0'/0/2"), {
-                "TransactionType": "Payment",
-                "Destination": "rNaqKtKrMSwpwZSzRckPf7S96DkimjkF4H",
-                "Amount": 1,
-                "Fee": 10,
-                "Sequence": 1,
-            })
+        msg = ripple.create_sign_tx_msg({
+            "TransactionType": "Payment",
+            "Destination": "rNaqKtKrMSwpwZSzRckPf7S96DkimjkF4H",
+            "Amount": 1,
+            "Fee": 10,
+            "Sequence": 1,
+        })
+        resp = ripple.ripple_sign_tx(self.client, parse_path("m/44'/144'/0'/0/2"), msg)
         assert resp.signature == unhexlify('3044022069900e6e578997fad5189981b74b16badc7ba8b9f1052694033fa2779113ddc002206c8006ada310edf099fb22c0c12073550c8fc73247b236a974c5f1144831dd5f')
         assert resp.serialized_tx == unhexlify('1200002280000000240000000161400000000000000168400000000000000a732103dbed1e77cb91a005e2ec71afbccce5444c9be58276665a3859040f692de8fed274463044022069900e6e578997fad5189981b74b16badc7ba8b9f1052694033fa2779113ddc002206c8006ada310edf099fb22c0c12073550c8fc73247b236a974c5f1144831dd5f8114bdf86f3ae715ba346b7772ea0e133f48828b766483148fb40e1ffa5d557ce9851a535af94965e0dd0988')
 
-        resp = ripple_sign_tx(
-            self.client,
-            parse_path("m/44'/144'/0'/0/2"), {
-                "TransactionType": "Payment",
-                "Destination": "rNaqKtKrMSwpwZSzRckPf7S96DkimjkF4H",
-                "Amount": 100000009,
-                "Flags": 0,
-                "Fee": 100,
-                "Sequence": 100,
-                "LastLedgerSequence": 333111,
-            })
-
+        msg = ripple.create_sign_tx_msg({
+            "TransactionType": "Payment",
+            "Destination": "rNaqKtKrMSwpwZSzRckPf7S96DkimjkF4H",
+            "Amount": 100000009,
+            "Flags": 0,
+            "Fee": 100,
+            "Sequence": 100,
+            "LastLedgerSequence": 333111,
+        })
+        resp = ripple.ripple_sign_tx(self.client, parse_path("m/44'/144'/0'/0/2"), msg)
         assert resp.signature == unhexlify('30440220025a9cc2809527799e6ea5eb029488dc46c6632a8ca1ed7d3ca2d9211e80403a02202cfe8604e6c6d1d3c64246626cc1a1a9bd8a2163b969e561c6adda5dca8fc2a5')
         assert resp.serialized_tx == unhexlify('12000022800000002400000064201b00051537614000000005f5e109684000000000000064732103dbed1e77cb91a005e2ec71afbccce5444c9be58276665a3859040f692de8fed2744630440220025a9cc2809527799e6ea5eb029488dc46c6632a8ca1ed7d3ca2d9211e80403a02202cfe8604e6c6d1d3c64246626cc1a1a9bd8a2163b969e561c6adda5dca8fc2a58114bdf86f3ae715ba346b7772ea0e133f48828b766483148fb40e1ffa5d557ce9851a535af94965e0dd0988')
 
     def test_ripple_sign_invalid_fee(self):
+        msg = ripple.create_sign_tx_msg({
+            "TransactionType": "Payment",
+            "Destination": "rNaqKtKrMSwpwZSzRckPf7S96DkimjkF4H",
+            "Amount": 1,
+            "Flags": 1,
+            "Fee": 1,
+            "Sequence": 1,
+        })
         with pytest.raises(CallException) as exc:
-            ripple_sign_tx(
-                self.client,
-                parse_path("m/44'/144'/0'/0/2"), {
-                    "TransactionType": "Payment",
-                    "Destination": "rNaqKtKrMSwpwZSzRckPf7S96DkimjkF4H",
-                    "Amount": 1,
-                    "Flags": 1,
-                    "Fee": 1,
-                    "Sequence": 1,
-                })
+            ripple.ripple_sign_tx(self.client, parse_path("m/44'/144'/0'/0/2"), msg)
             assert exc.value.args[0] == messages.FailureType.ProcessError
             assert exc.value.args[1].endswith('Fee must be in the range of 10 to 10,000 drops')