From 845009f684a99901d176c4e6467eed24bccce316 Mon Sep 17 00:00:00 2001
From: milan-cb <milan.saxena@coinbase.com>
Date: Thu, 29 Jan 2026 12:41:18 -0800
Subject: [PATCH] ethclient: fix timeout param for eth_sendRawTransactionSync
 (#33693)

Fix timeout parameter in eth_sendRawTransactionSync
to be an integer instead of hex. The spec has now been
clarified on this point.
---
 ethclient/ethclient.go      | 6 ++++--
 internal/ethapi/api.go      | 2 +-
 internal/ethapi/api_test.go | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/ethclient/ethclient.go b/ethclient/ethclient.go
index 6f2fb5ebc8..bc4eaad6fa 100644
--- a/ethclient/ethclient.go
+++ b/ethclient/ethclient.go
@@ -729,9 +729,11 @@ func (ec *Client) SendRawTransactionSync(
 	rawTx []byte,
 	timeout *time.Duration,
 ) (*types.Receipt, error) {
-	var ms *hexutil.Uint64
+	var ms *uint64
 	if timeout != nil {
-		if d := hexutil.Uint64(timeout.Milliseconds()); d > 0 {
+		msInt := timeout.Milliseconds()
+		if msInt > 0 {
+			d := uint64(msInt)
 			ms = &d
 		}
 	}
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index b0a79295f5..e0baccbfe7 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1661,7 +1661,7 @@ func (api *TransactionAPI) SendRawTransaction(ctx context.Context, input hexutil
 
 // SendRawTransactionSync will add the signed transaction to the transaction pool
 // and wait until the transaction has been included in a block and return the receipt, or the timeout.
-func (api *TransactionAPI) SendRawTransactionSync(ctx context.Context, input hexutil.Bytes, timeoutMs *hexutil.Uint64) (map[string]interface{}, error) {
+func (api *TransactionAPI) SendRawTransactionSync(ctx context.Context, input hexutil.Bytes, timeoutMs *uint64) (map[string]interface{}, error) {
 	tx := new(types.Transaction)
 	if err := tx.UnmarshalBinary(input); err != nil {
 		return nil, err
diff --git a/internal/ethapi/api_test.go b/internal/ethapi/api_test.go
index aaa002b5ec..3668bd0e14 100644
--- a/internal/ethapi/api_test.go
+++ b/internal/ethapi/api_test.go
@@ -4026,7 +4026,7 @@ func TestSendRawTransactionSync_Timeout(t *testing.T) {
 
 	raw, _ := makeSelfSignedRaw(t, api, b.acc.Address)
 
-	timeout := hexutil.Uint64(200) // 200ms
+	timeout := uint64(200) // 200ms
 	receipt, err := api.SendRawTransactionSync(context.Background(), raw, &timeout)
 
 	if receipt != nil {