From f2976af734a9c9dfdbac16b22040e8bdd97aa426 Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Thu, 28 Dec 2017 10:28:27 +0100
Subject: Support both personal_sign and eth_sign

---
 packages/subproviders/src/subproviders/ledger.ts   |  3 +-
 .../test/integration/ledger_subprovider_test.ts    | 22 ++++++++++++++-
 .../test/unit/ledger_subprovider_test.ts           | 33 +++++++++++++++++++++-
 3 files changed, 55 insertions(+), 3 deletions(-)

(limited to 'packages/subproviders')

diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 653d0a792..a058e09ad 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -107,7 +107,8 @@ export class LedgerSubprovider extends Subprovider {
                 return;
 
             case 'eth_sign':
-                const data = payload.params[1];
+            case 'personal_sign':
+                const data = payload.method === 'eth_sign' ? payload.params[1] : payload.params[0];
                 try {
                     if (_.isUndefined(data)) {
                         throw new Error(LedgerSubproviderErrors.DataMissingForSignPersonalMessage);
diff --git a/packages/subproviders/test/integration/ledger_subprovider_test.ts b/packages/subproviders/test/integration/ledger_subprovider_test.ts
index 169e15504..7f319ed4e 100644
--- a/packages/subproviders/test/integration/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/integration/ledger_subprovider_test.ts
@@ -85,7 +85,7 @@ describe('LedgerSubprovider', () => {
             });
             ledgerProvider.sendAsync(payload, callback);
         });
-        it('signs a personal message', (done: DoneCallback) => {
+        it('signs a personal message with eth_sign', (done: DoneCallback) => {
             (async () => {
                 const messageHex = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
                 const accounts = await ledgerSubprovider.getAccountsAsync();
@@ -105,6 +105,26 @@ describe('LedgerSubprovider', () => {
                 ledgerProvider.sendAsync(payload, callback);
             })().catch(done);
         });
+        it('signs a personal message with personal_sign', (done: DoneCallback) => {
+            (async () => {
+                const messageHex = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
+                const accounts = await ledgerSubprovider.getAccountsAsync();
+                const signer = accounts[0];
+                const payload = {
+                    jsonrpc: '2.0',
+                    method: 'personal_sign',
+                    params: [messageHex, signer],
+                    id: 1,
+                };
+                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                    expect(err).to.be.a('null');
+                    expect(response.result.length).to.be.equal(132);
+                    expect(response.result.substr(0, 2)).to.be.equal('0x');
+                    done();
+                });
+                ledgerProvider.sendAsync(payload, callback);
+            })().catch(done);
+        });
         it('signs a transaction', (done: DoneCallback) => {
             const tx = {
                 to: '0xafa3f8684e54059998bc3a7b0d2b0da075154d66',
diff --git a/packages/subproviders/test/unit/ledger_subprovider_test.ts b/packages/subproviders/test/unit/ledger_subprovider_test.ts
index 6160b9cc3..d493adf1e 100644
--- a/packages/subproviders/test/unit/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/unit/ledger_subprovider_test.ts
@@ -117,7 +117,7 @@ describe('LedgerSubprovider', () => {
                 });
                 provider.sendAsync(payload, callback);
             });
-            it('signs a personal message', (done: DoneCallback) => {
+            it('signs a personal message with eth_sign', (done: DoneCallback) => {
                 const messageHex = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
                 const payload = {
                     jsonrpc: '2.0',
@@ -133,6 +133,22 @@ describe('LedgerSubprovider', () => {
                 });
                 provider.sendAsync(payload, callback);
             });
+            it('signs a personal message with personal_sign', (done: DoneCallback) => {
+                const messageHex = ethUtils.bufferToHex(ethUtils.toBuffer('hello world'));
+                const payload = {
+                    jsonrpc: '2.0',
+                    method: 'personal_sign',
+                    params: [messageHex, '0x0000000000000000000000000000000000000000'],
+                    id: 1,
+                };
+                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                    expect(err).to.be.a('null');
+                    // tslint:disable-next-line:max-line-length
+                    expect(response.result).to.be.equal('0xa6cc284bff14b42bdf5e9286730c152be91719d478605ec46b3bebcd0ae491480652a1a7b742ceb0213d1e744316e285f41f878d8af0b8e632cbca4c279132d001');
+                    done();
+                });
+                provider.sendAsync(payload, callback);
+            });
             it('signs a transaction', (done: DoneCallback) => {
                 const tx = {
                     to: '0xafa3f8684e54059998bc3a7b0d2b0da075154d66',
@@ -172,6 +188,21 @@ describe('LedgerSubprovider', () => {
                 });
                 provider.sendAsync(payload, callback);
             });
+            it('should throw if `data` param not hex when calling personal_sign', (done: DoneCallback) => {
+                const nonHexMessage = 'hello world';
+                const payload = {
+                    jsonrpc: '2.0',
+                    method: 'personal_sign',
+                    params: [nonHexMessage, '0x0000000000000000000000000000000000000000'],
+                    id: 1,
+                };
+                const callback = reportCallbackErrors(done)((err: Error, response: Web3.JSONRPCResponsePayload) => {
+                    expect(err).to.not.be.a('null');
+                    expect(err.message).to.be.equal('Expected data to be of type HexString, encountered: hello world');
+                    done();
+                });
+                provider.sendAsync(payload, callback);
+            });
             it('should throw if `from` param missing when calling eth_sendTransaction', (done: DoneCallback) => {
                 const tx = {
                     to: '0xafa3f8684e54059998bc3a7b0d2b0da075154d66',
-- 
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