Add createCancelTransaction method

1 files changed, 14 insertions, 0 deletions

diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 98cb62bfa..9b373de9b 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -407,6 +407,7 @@ module.exports = class MetamaskController extends EventEmitter {
       updateTransaction: nodeify(txController.updateTransaction, txController),
       updateAndApproveTransaction: nodeify(txController.updateAndApproveTransaction, txController),
       retryTransaction: nodeify(this.retryTransaction, this),
+      createCancelTransaction: nodeify(this.createCancelTransaction, this),
       getFilteredTxList: nodeify(txController.getFilteredTxList, txController),
       isNonceTaken: nodeify(txController.isNonceTaken, txController),
       estimateGas: nodeify(this.estimateGas, this),
@@ -1109,6 +1110,19 @@ module.exports = class MetamaskController extends EventEmitter {
     return state
   }
 
+  /**
+   * Allows a user to attempt to cancel a previously submitted transaction by creating a new
+   * transaction.
+   * @param {number} originalTxId - the id of the txMeta that you want to attempt to cancel
+   * @param {string=} customGasPrice - the hex value to use for the cancel transaction
+   * @returns {object} MetaMask state
+   */
+  async createCancelTransaction (originalTxId, customGasPrice, cb) {
+    await this.txController.createCancelTransaction(originalTxId, customGasPrice)
+    const state = await this.getState()
+    return state
+  }
+
   estimateGas (estimateGasParams) {
     return new Promise((resolve, reject) => {
       return this.txController.txGasUtil.query.estimateGas(estimateGasParams, (err, res) => {