diff --git a/app/components/TransfersGraph.jsx b/app/components/TransfersGraph.jsx
index def6db1..0d56230 100644
--- a/app/components/TransfersGraph.jsx
+++ b/app/components/TransfersGraph.jsx
@@ -6,6 +6,7 @@ import { uniq, isNil } from 'ramda'
 import { toEther } from '../utils/conversions'
 import { getTokenLabel } from '../utils/currencies'
 import { FundingContext } from '../context'
+import { getAuthorizations } from '../selectors/vault'
 
 
 Cytoscape.use(dagre)
@@ -35,7 +36,6 @@ const stylesheet = [
   }
 ]
 
-const getAuthorizations = events => events.filter(event => event.event === 'AuthorizePayment')
 const createElements = (transfers, vaultEvents) => {
   if (isNil(transfers) || isNil(vaultEvents)) return []
   const nodes = []
diff --git a/app/selectors/pledging.js b/app/selectors/pledging.js
new file mode 100644
index 0000000..b0fb4b1
--- /dev/null
+++ b/app/selectors/pledging.js
@@ -0,0 +1,3 @@
+import { createSelector } from 'reselect'
+
+export const getDeposits = createSelector()
diff --git a/app/selectors/vault.js b/app/selectors/vault.js
new file mode 100644
index 0000000..cea74fe
--- /dev/null
+++ b/app/selectors/vault.js
@@ -0,0 +1,6 @@
+import { createSelector } from 'reselect'
+
+export const getAuthorizations = createSelector(
+  [vaultEvents => vaultEvents.filter(event => event.event === 'AuthorizePayment')],
+  event => event
+)
diff --git a/package.json b/package.json
index f8c8ba1..559611e 100644
--- a/package.json
+++ b/package.json
@@ -72,6 +72,7 @@
     "react-chartjs-2": "^2.7.4",
     "react-cytoscapejs": "^1.1.0",
     "react-dom": "^16.6.3",
-    "react-router-dom": "^4.3.1"
+    "react-router-dom": "^4.3.1",
+    "reselect": "^4.0.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index da359dd..70e544d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6142,6 +6142,11 @@ require-uncached@^1.0.3:
     caller-path "^0.1.0"
     resolve-from "^1.0.0"
 
+reselect@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/reselect/-/reselect-4.0.0.tgz#f2529830e5d3d0e021408b246a206ef4ea4437f7"
+  integrity sha512-qUgANli03jjAyGlnbYVAV5vvnOmJnODyABz51RdBN7M4WaVu8mecZWgyQNkG8Yqe3KRGRt0l4K4B3XVEULC4CA==
+
 resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"