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-rw-r--r--ui/app/helpers/transactions.util.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/ui/app/helpers/transactions.util.js b/ui/app/helpers/transactions.util.js
index e50196196..64ec82225 100644
--- a/ui/app/helpers/transactions.util.js
+++ b/ui/app/helpers/transactions.util.js
@@ -27,10 +27,21 @@ export function getTokenData (data = '') {
const registry = new MethodRegistry({ provider: global.ethereumProvider })
+/**
+ * Attempts to return the method data from the MethodRegistry library, if the method exists in the
+ * registry. Otherwise, returns an empty object.
+ * @param {string} data - The hex data (@code txParams.data) of a transaction
+ * @returns {Object}
+ */
export async function getMethodData (data = '') {
const prefixedData = ethUtil.addHexPrefix(data)
const fourBytePrefix = prefixedData.slice(0, 10)
const sig = await registry.lookup(fourBytePrefix)
+
+ if (!sig) {
+ return {}
+ }
+
const parsedResult = registry.parse(sig)
return {