Add support for Cardano

Author: ddeath

API.md

@@ -152,6 +152,11 @@ Note that the lenght of the action is not tied to the actual device actions. You
 | getEntropy | size:&nbsp;number | Promise&lt;Response<br>&lt;{ bytes:&nbsp;string }&gt;&gt;&gt; | random data |
 | getAddress | path:&nbsp;Array&lt;number&gt;<br>coin:&nbsp;string<br>display:&nbsp;boolean | Promise&lt;Response<br>&lt;{ address:&nbsp;string }&gt;&gt;&gt; | Gets address with a given path.<br>Coin is the name of coin ("bitcoin", "testnet", "litecoin",...)<br>if `display` is true, the address is displayed on TREZOR and user has to confirm. |
 | ethereumGetAddress | address_n:&nbsp;Array&lt;number&gt;<br>display:&nbsp;?boolean | Promise&lt;Response<br>&lt;{ address:&nbsp;string, path:&nbsp;Array&lt;number&gt; }&gt;&gt; | Gets Ethereum address from a given path.<br>if `display` is true, the address is displayed on TREZOR and user has to confirm. |
+| adaGetAddress | address_n:&nbsp;Array&lt;number&gt;<br>show_display:&nbsp;?boolean | Promise&lt;MessageResponse<br>&lt;trezor.CardanoAddress&gt;&gt; | Gets Cardano address<br>if `show_display` is true, the address is displayed on TREZOR and user has to confirm. |
+| getAdaPublicKey | address_n:&nbsp;Array&lt;number&gt; | Promise&lt;MessageResponse<br>&lt;trezor.CardanoPublicKey&gt;&gt; | Gets Cardano public node and root hd passphrase from a given path. |
+| verifyAdaMessage | publicKey:&nbsp;string<br>signature:&nbsp;string<br>message:&nbsp;string | Promise&lt;MessageResponse&lt;trezor.Success&gt;&gt; | Verifies Cardano message against public key and signature. |
+| signAdaMessage | address_n:&nbsp;Array&lt;number&gt;<br>message:&nbsp;string | Promise&lt;MessageResponse&lt;trezor.MessageSignature&gt;&gt; | Sign Cardano message with keys from given path. |
+| signAdaTransaction | inputs:&nbsp;Array&lt;trezor.CardanoTxInputType&gt;<br>outputs:&nbsp;Array&lt;trezor.CardanoTxOutputType&gt;<br>transactions:&nbsp;Array&lt;string&gt; | Promise&lt;MessageResponse&lt;trezor.CardanoSignedTransaction&gt;&gt; | For provided inputs, outputs, raw transactions bodies will sign transaction |
 | verifyAddress | path:&nbsp;Array&lt;number&gt;<br>refAddress:&nbsp;string&nbsp;<br>coin:&nbsp;string&nbsp; | Promise&lt;boolean&gt; | Gets address with the given path, displays it on display and compares to the `refAddress`.<br><br>Note: promise doesn't reject on different result, but resolves with **false**. It rejects on user not confirming on device. |
 | getHDNode | path:&nbsp;Array&lt;number&gt;<br>coin:&nbsp;string&nbsp; | Promise&lt;HDNode&gt; | Returns [bitcoin.js HDNode](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/src/hdnode.js) with the given path. (No confirmation needed; it's public node.) |
 | wipeDevice | | Promise | Wipes the device (after user confirms). |

src/session.js

@@ -9,6 +9,7 @@ import * as hdnodeUtils from './utils/hdnode';
 import * as signTxHelper from './utils/signtx';
 import * as signBjsTxHelper from './utils/signbjstx';
 import * as signEthTxHelper from './utils/signethtx';
+import * as signAdaTxHelper from './utils/signadatx';
 import {CallHelper} from './utils/call';
 
 import * as trezor from './trezortypes';
@@ -165,6 +166,35 @@ export default class Session extends EventEmitter {
         });
     }
 
+    @integrityCheck
+    adaGetAddress(
+        address_n: Array<number>,
+        show_display: ?boolean
+    ): Promise<MessageResponse<trezor.CardanoAddress>> {
+        return this.typedCall('CardanoGetAddress', 'CardanoAddress', {
+            address_n,
+            show_display: !!show_display,
+        });
+    }
+
+    @integrityCheck
+    getAdaPublicKey(
+        address_n: Array<number>,
+    ): Promise<MessageResponse<trezor.CardanoPublicKey>> {
+        return this.typedCall('CardanoGetPublicKey', 'CardanoPublicKey', {
+            address_n: address_n,
+        });
+    }
+
+    @integrityCheck
+    signAdaTransaction(
+        inputs: Array<trezor.CardanoTxInputType>,
+        outputs: Array<trezor.CardanoTxOutputType>,
+        transactions: Array<string>
+    ): Promise<MessageResponse<trezor.CardanoSignedTransaction>> {
+        return signAdaTxHelper.signAdaTx(this, inputs, outputs, transactions);
+    }
+
     @integrityCheck
     getPublicKey(
         address_n: Array<number>,
@@ -295,6 +325,19 @@ export default class Session extends EventEmitter {
         });
     }
 
+    @integrityCheck
+    verifyAdaMessage(
+        publicKey: string,
+        signature: string,
+        message: string
+    ): Promise<MessageResponse<trezor.Success>> {
+        return this.typedCall('CardanoVerifyMessage', 'Success', {
+            public_key: publicKey,
+            signature: signature,
+            message: message,
+        });
+    }
+
     signMessage(
         address_n: Array<number>,
         message: string,
@@ -319,6 +362,17 @@ export default class Session extends EventEmitter {
         });
     }
 
+    @integrityCheck
+    signAdaMessage(
+        address_n: Array<number>,
+        message: string
+    ): Promise<MessageResponse<trezor.MessageSignature>> {
+        return this.typedCall('CardanoSignMessage', 'CardanoMessageSignature', {
+            address_n: address_n,
+            message: message,
+        });
+    }
+
     signIdentity(
         identity: trezor.Identity,
         challenge_hidden: string,

src/trezortypes.js

@@ -212,3 +212,47 @@ export type SignTxInfoToTrezor = {
     extra_data_len?: number;
 };
 
+export type CardanoDerivationPath = {
+    address_n: Array<number>;
+};
+
+export type CardanoXpubKey = {
+    xpub_key: string;
+    public_key: string;
+    chain_code: string;
+    address_n: Array<number>;
+    root_hd_passphrase: string;
+};
+
+export type CardanoSignedTransaction = {
+    tx_hash?: string;
+    tx_body?: string;
+};
+
+export type CardanoTxInputType = {
+    tx_hash: string;
+    address_n: Array<number>;
+    output_index: number;
+    type?: number;
+};
+
+export type CardanoTxOutputType = {
+    address?: string;
+    address_n?: Array<number>;
+    amount: number;
+};
+
+export type CardanoAddress = {
+    address: string;
+    address_n?: Array<number>;
+};
+
+export type CardanoAddresses = {
+    addresses: CardanoAddress;
+};
+
+export type CardanoTxRequest = {
+    tx_index?: number;
+    tx_hash?: string;
+    tx_body?: string;
+};

src/utils/signadatx.js

@@ -0,0 +1,44 @@
+/* @flow */
+'use strict';
+
+import * as trezor from '../trezortypes';
+
+import type Session, {MessageResponse} from '../session';
+
+function processTxRequest(
+    session: Session,
+    request: trezor.CardanoTxRequest,
+    transactions: Array<string>
+): Promise<MessageResponse<trezor.CardanoSignedTransaction>> {
+    if (request.tx_index === null || request.tx_index === undefined) {
+        return Promise.resolve({
+            message: request,
+            type: 'trezor.CardanoSignedTransaction',
+        });
+    }
+
+    const transaction = transactions[request.tx_index];
+
+    return session.typedCall('CardanoTxAck', 'CardanoTxRequest', {transaction: transaction}).then(
+        (response) => processTxRequest(
+            session,
+            response.message,
+            transactions
+        )
+    );
+}
+
+export function signAdaTx(
+    session: Session,
+    inputs: Array<trezor.CardanoTxInputType>,
+    outputs: Array<trezor.CardanoTxOutputType>,
+    transactions: Array<string>
+): Promise<MessageResponse<trezor.CardanoSignedTransaction>> {
+    return session.typedCall('CardanoSignTransaction', 'CardanoTxRequest', {
+        inputs: inputs,
+        outputs: outputs,
+        transactions_count: transactions.length,
+    }).then((res) =>
+        processTxRequest(session, res.message, transactions)
+    );
+}