From 886f9f8a18271a3488a1804ab2e7cb6664d54f2e Mon Sep 17 00:00:00 2001
From: gjgd <gjgd@protonmail.com>
Date: Wed, 18 Dec 2019 16:04:15 +0100
Subject: [PATCH] feat: add transactionTimeHash to getTransactions

---
 .../src/sidetree-v2/protocol/getTransactions.js     | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/packages/element-lib/src/sidetree-v2/protocol/getTransactions.js b/packages/element-lib/src/sidetree-v2/protocol/getTransactions.js
index a924eaf1..fdcaa5a4 100644
--- a/packages/element-lib/src/sidetree-v2/protocol/getTransactions.js
+++ b/packages/element-lib/src/sidetree-v2/protocol/getTransactions.js
@@ -1,7 +1,14 @@
-const getTransactions = sidetree => async () => {
+const getTransactions = sidetree => async ({ transactionTimeHash } = {}) => {
+  let since = 0;
+  let end = 'latest';
+  if (transactionTimeHash) {
+    const blockchainTime = await sidetree.blockchain.getBlockchainTime(transactionTimeHash);
+    since = blockchainTime.time;
+    end = since + 1;
+  }
   const transactions = await sidetree.blockchain.getTransactions(
-    0,
-    'latest',
+    since,
+    end,
     { omitTimestamp: true },
   );
   // Only get the last 20 transactions to avoid crashing the page