Merge pull request #3752 from MetaMask/sentry-error-fix

sentry - simplify all ethjs errors for better batching

1 files changed, 27 insertions, 0 deletions

diff --git a/app/scripts/lib/extractEthjsErrorMessage.js b/app/scripts/lib/extractEthjsErrorMessage.js
new file mode 100644
index 000000000..bac541735
--- /dev/null
+++ b/app/scripts/lib/extractEthjsErrorMessage.js
@@ -0,0 +1,27 @@
+const ethJsRpcSlug = 'Error: [ethjs-rpc] rpc error with payload '
+const errorLabelPrefix = 'Error: '
+
+module.exports = extractEthjsErrorMessage
+
+
+//
+// ethjs-rpc provides overly verbose error messages
+// if we detect this type of message, we extract the important part
+// Below is an example input and output
+//
+// Error: [ethjs-rpc] rpc error with payload {"id":3947817945380,"jsonrpc":"2.0","params":["0xf8eb8208708477359400830398539406012c8cf97bead5deae237070f9587f8e7a266d80b8843d7d3f5a0000000000000000000000000000000000000000000000000000000000081d1a000000000000000000000000000000000000000000000000001ff973cafa800000000000000000000000000000000000000000000000000000038d7ea4c68000000000000000000000000000000000000000000000000000000000000003f48025a04c32a9b630e0d9e7ff361562d850c86b7a884908135956a7e4a336fa0300d19ca06830776423f25218e8d19b267161db526e66895567147015b1f3fc47aef9a3c7"],"method":"eth_sendRawTransaction"} Error: replacement transaction underpriced
+//
+// Transaction Failed: replacement transaction underpriced
+//
+
+
+function extractEthjsErrorMessage(errorMessage) {
+  const isEthjsRpcError = errorMessage.includes(ethJsRpcSlug)
+  if (isEthjsRpcError) {
+    const payloadAndError = errorMessage.slice(ethJsRpcSlug.length)
+    const originalError = payloadAndError.slice(payloadAndError.indexOf(errorLabelPrefix) + errorLabelPrefix.length)
+    return originalError
+  } else {
+    return errorMessage
+  }
+}