1 files changed, 37 insertions, 0 deletions
diff --git a/app/scripts/account-import-strategies/index.js b/app/scripts/account-import-strategies/index.js
new file mode 100644
index 000000000..8f4456cdf
--- /dev/null
+++ b/app/scripts/account-import-strategies/index.js
@@ -0,0 +1,37 @@
+const Wallet = require('ethereumjs-wallet')
+const importers = require('ethereumjs-wallet/thirdparty')
+const ethUtil = require('ethereumjs-util')
+
+const accountImporter = {
+
+  importAccount(strategy, args) {
+    try {
+      const importer = this.strategies[strategy]
+      const wallet = importer.apply(null, args)
+      const privateKeyHex = walletToPrivateKey(wallet)
+      return Promise.resolve(privateKeyHex)
+    } catch (e) {
+      return Promise.reject(e)
+    }
+  },
+
+  strategies: {
+    'Private Key': (privateKey) => {
+      const stripped = ethUtil.stripHexPrefix(privateKey)
+      const buffer = new Buffer(stripped, 'hex')
+      return Wallet.fromPrivateKey(buffer)
+    },
+    'JSON File': (input, password) => {
+      const wallet = importers.fromEtherWallet(input, password)
+      return walletToPrivateKey(wallet)
+    },
+  },
+
+}
+
+function walletToPrivateKey (wallet) {
+  const privateKeyBuffer = wallet.getPrivateKey()
+  return ethUtil.bufferToHex(privateKeyBuffer)
+}
+
+module.exports = accountImporter