1 files changed, 30 insertions, 0 deletions
diff --git a/packages/instant/src/util/etherscan.ts b/packages/instant/src/util/etherscan.ts
new file mode 100644
index 000000000..f9bf82827
--- /dev/null
+++ b/packages/instant/src/util/etherscan.ts
@@ -0,0 +1,30 @@
+import * as _ from 'lodash';
+
+import { Network } from '../types';
+
+const etherscanPrefix = (networkId: number): string | undefined => {
+    switch (networkId) {
+        case Network.Kovan:
+            return 'kovan.';
+        case Network.Mainnet:
+            return '';
+    }
+    return '';
+};
+
+export const etherscanUtil = {
+    getEtherScanTxnAddressIfExists: (txHash: string, networkId: number) => {
+        const prefix = etherscanPrefix(networkId);
+        if (_.isUndefined(prefix)) {
+            return;
+        }
+        return `https://${prefix}etherscan.io/tx/${txHash}`;
+    },
+    getEtherScanEthAddressIfExists: (ethAddress: string, networkId: number) => {
+        const prefix = etherscanPrefix(networkId);
+        if (_.isUndefined(prefix)) {
+            return;
+        }
+        return `https://${prefix}etherscan.io/address/${ethAddress}`;
+    },
+};