From cad6122f547dc42701061db33d6fa02068bceb38 Mon Sep 17 00:00:00 2001
From: peachbits <matthew@edge.app>
Date: Mon, 16 Dec 2024 17:54:50 -0800
Subject: [PATCH] Fix eth_sendRawTransaction handling

---
 CHANGELOG.md                                  |  1 +
 .../modals/WcSmartContractModal.tsx           | 37 ++++++++++++++++---
 2 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4874da8d1c9..03cda22f01c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 - changed: Handle errors in StakeKit API responses
 - fixed: Missing "Done" button when managing tokens for certain assets
 - fixed: Only send successful import items to completion scene
+- fixed: WalletConnect `eth_sendRawTransaction` event handling
 - removed: Removed patch for usb and node-hid
 
 ## 4.19.0
diff --git a/src/components/modals/WcSmartContractModal.tsx b/src/components/modals/WcSmartContractModal.tsx
index efe88d99f8c..dc30f649df9 100644
--- a/src/components/modals/WcSmartContractModal.tsx
+++ b/src/components/modals/WcSmartContractModal.tsx
@@ -1,6 +1,6 @@
 import { abs, add, div, gt, mul } from 'biggystring'
 import { asArray, asEither, asNumber, asObject, asOptional, asString, asTuple, asUnknown, asValue } from 'cleaners'
-import { EdgeCurrencyWallet, EdgeSpendInfo } from 'edge-core-js'
+import { EdgeCurrencyWallet, EdgeSpendInfo, EdgeTransaction } from 'edge-core-js'
 import * as React from 'react'
 import { Image, ScrollView, View } from 'react-native'
 import { AirshipBridge } from 'react-native-airship'
@@ -116,8 +116,7 @@ export const WcSmartContractModal = (props: Props) => {
           await wallet.saveTx(signTx)
           break
         }
-        case 'eth_sendTransaction':
-        case 'eth_sendRawTransaction': {
+        case 'eth_sendTransaction': {
           const cleanPayload = asEvmTransactionPayload(payload)
           const spendInfo: EdgeSpendInfo = await wallet.otherMethods.txRpcParamsToSpendInfo(cleanPayload.params[0])
           const tx = await wallet.makeSpend(spendInfo)
@@ -127,6 +126,27 @@ export const WcSmartContractModal = (props: Props) => {
           await wallet.saveTx(sentTx)
           break
         }
+        case 'eth_sendRawTransaction': {
+          const cleanPayload = asEvmSendRawTransactionPayload(payload)
+          const fakeEdgeTransaction: EdgeTransaction = {
+            blockHeight: 0,
+            currencyCode: wallet.currencyInfo.currencyCode,
+            date: 0,
+            isSend: false,
+            memos: [],
+            nativeAmount: '0',
+            networkFee: '0',
+            networkFees: [],
+            ourReceiveAddresses: [],
+            signedTx: cleanPayload.params[0],
+            tokenId: null,
+            txid: '',
+            walletId: wallet.id
+          }
+          const sentTx = await wallet.broadcastTx(fakeEdgeTransaction)
+          await walletConnect.approveRequest(topic, requestId, sentTx.txid)
+          break
+        }
         case 'algo_signTxn': {
           const cleanPayload = asAlgoWcRpcPayload(payload)
           const signedTxs = await Promise.all(cleanPayload.params[0].map(async txnObj => await wallet.signMessage(txnObj.txn)))
@@ -229,7 +249,12 @@ const asEvmSignPayload = asObject({
   params: asTuple(asString, asString)
 })
 
-const asEvmTransactionMethod = asValue('eth_sendTransaction', 'eth_signTransaction', 'eth_sendRawTransaction')
+const asEvmSendRawTransactionMethod = asValue('eth_sendRawTransaction')
+const asEvmSendRawTransactionPayload = asObject({
+  method: asEvmSendRawTransactionMethod,
+  params: asTuple(asString)
+})
+const asEvmTransactionMethod = asValue('eth_sendTransaction', 'eth_signTransaction')
 const asEvmTransactionPayload = asObject({
   method: asEvmTransactionMethod,
   params: asTuple(
@@ -293,7 +318,9 @@ const asCosmosSignAminoPayload = asObject({
   })
 })
 
-const asPayload = asObject({ method: asEither(asCosmosPayloadMethod, asAlgoPayloadMethod, asEvmSignMethod, asEvmTransactionMethod) }).withRest
+const asPayload = asObject({
+  method: asEither(asCosmosPayloadMethod, asAlgoPayloadMethod, asEvmSignMethod, asEvmTransactionMethod, asEvmSendRawTransactionMethod)
+}).withRest
 
 export const asWcSmartContractModalProps = asObject({
   dApp: asObject({