initial implementation

1 files changed, 36 insertions, 0 deletions

diff --git a/app/scripts/controllers/transactions/lib/recipient-blacklist-checker.js b/app/scripts/controllers/transactions/lib/recipient-blacklist-checker.js
new file mode 100644
index 000000000..f6fbee678
--- /dev/null
+++ b/app/scripts/controllers/transactions/lib/recipient-blacklist-checker.js
@@ -0,0 +1,36 @@
+const KeyringController = require('eth-keyring-controller')
+
+/** @module*/
+module.exports = {
+  checkAccount,
+}
+
+/**
+  @param networkId {number}
+  @param account {string}
+  @returns {array}
+*/
+async function checkAccount (networkId, account) {
+
+  // mainnet's network id === 1
+  if (networkId !== 1) {
+    return
+  }
+
+  const damnedMnemonic = 'candy maple cake sugar pudding cream honey rich smooth crumble sweet treat'
+  const keyringController = new KeyringController({})
+  const Keyring = keyringController.getKeyringClassForType('HD Key Tree')
+  const opts = {
+    mnemonic: damnedMnemonic,
+    numberOfAccounts: 10,
+  }
+
+  const accountToCheck = account.toLowerCase()
+  const keyring = new Keyring(opts)
+  const damnedAccounts = await keyring.getAccounts()
+  for (let i = 0; i < damnedAccounts.length; i++) {
+    if (damnedAccounts[i].toLowerCase() === accountToCheck) {
+      throw new Error('this is a public account')
+    }
+  }
+}
\ No newline at end of file