support editable customRPC (#5267)

* support editable customRPC #5246

* remove rpcList size restriction

1 files changed, 9 insertions, 0 deletions

diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 123e17569..1f0527c7e 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -376,6 +376,7 @@ module.exports = class MetamaskController extends EventEmitter {
       // network management
       setProviderType: nodeify(networkController.setProviderType, networkController),
       setCustomRpc: nodeify(this.setCustomRpc, this),
+      delCustomRpc: nodeify(this.delCustomRpc, this),
 
       // PreferencesController
       setSelectedAddress: nodeify(preferencesController.setSelectedAddress, preferencesController),
@@ -1440,6 +1441,14 @@ module.exports = class MetamaskController extends EventEmitter {
   }
 
   /**
+   * A method for deleting a selected custom URL.
+   * @param {string} rpcTarget - A RPC URL to delete.
+   */
+  async delCustomRpc (rpcTarget) {
+    await this.preferencesController.updateFrequentRpcList(rpcTarget, true)
+  }
+
+  /**
    * Sets whether or not to use the blockie identicon format.
    * @param {boolean} val - True for bockie, false for jazzicon.
    * @param {Function} cb - A callback function called when complete.