Merge branch 'master' into i#1203MainNetSwitch

1 files changed, 22 insertions, 0 deletions

diff --git a/mascara/src/lib/setup-provider.js b/mascara/src/lib/setup-provider.js
new file mode 100644
index 000000000..62335b18d
--- /dev/null
+++ b/mascara/src/lib/setup-provider.js
@@ -0,0 +1,22 @@
+const setupIframe = require('./setup-iframe.js')
+const MetamaskInpageProvider = require('../../../app/scripts/lib/inpage-provider.js')
+
+module.exports = getProvider
+
+
+function getProvider(opts){
+  if (global.web3) {
+    console.log('MetaMask ZeroClient - using environmental web3 provider')
+    return global.web3.currentProvider
+  }
+  console.log('MetaMask ZeroClient - injecting zero-client iframe!')
+  var iframeStream = setupIframe({
+    zeroClientProvider: opts.mascaraUrl,
+    sandboxAttributes: ['allow-scripts', 'allow-popups', 'allow-same-origin'],
+    container: document.body,
+  })
+
+  var inpageProvider = new MetamaskInpageProvider(iframeStream)
+  return inpageProvider
+
+}