From 8e17b4e47fb73df0dba3983dbbea0a86b2b937c7 Mon Sep 17 00:00:00 2001
From: Eduardo Pereira <eduardonunesp@gmail.com>
Date: Thu, 17 Oct 2019 11:41:38 -0300
Subject: [PATCH] Added client version to loom provider

---
 src/loom-provider.ts                 |  5 +++++
 src/tests/e2e/loom-provider-tests.ts | 22 ++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/loom-provider.ts b/src/loom-provider.ts
index f70fb255..17c8ad89 100644
--- a/src/loom-provider.ts
+++ b/src/loom-provider.ts
@@ -263,6 +263,7 @@ export class LoomProvider {
     this._ethRPCMethods.set('eth_sendTransaction', this._ethSendTransaction)
     this._ethRPCMethods.set('eth_sign', this._ethSign)
     this._ethRPCMethods.set('net_version', this._netVersion)
+    this._ethRPCMethods.set('web3_clientVersion', this._clientVersion)
   }
 
   /**
@@ -709,6 +710,10 @@ export class LoomProvider {
     return this._netVersionFromChainId
   }
 
+  private _clientVersion() {
+    return `Loom/loom-js/v${require('../package.json').version}`
+  }
+
   // PRIVATE FUNCTIONS IMPLEMENTATIONS
 
   private async _deployAsync(payload: { from: string; data: string }): Promise<any> {
diff --git a/src/tests/e2e/loom-provider-tests.ts b/src/tests/e2e/loom-provider-tests.ts
index 4ce1a3bf..657a1399 100644
--- a/src/tests/e2e/loom-provider-tests.ts
+++ b/src/tests/e2e/loom-provider-tests.ts
@@ -569,6 +569,28 @@ test('LoomProvider method eth_uninstallFilter', async t => {
   t.end()
 })
 
+test('LoomProvider client version', async t => {
+  const { loomProvider, client } = await newContractAndClient()
+
+  try {
+    const id = 1
+    const clientVersion = await loomProvider.sendAsync({
+      id,
+      method: 'web3_clientVersion'
+    })
+
+    t.assert(/Loom\/loom-js\/v/.test(clientVersion.result), 'Client version should be ok')
+  } catch (err) {
+    t.error(err, 'Error found')
+  }
+
+  if (client) {
+    client.disconnect()
+  }
+
+  t.end()
+})
+
 test('LoomProvider adding custom method', async t => {
   const { loomProvider, from, client } = await newContractAndClient()