From e0b119884c6af1858854d2bc3d5cf67001130023 Mon Sep 17 00:00:00 2001
From: Joe Netti <joe@netti.dev>
Date: Tue, 15 Aug 2023 14:19:37 -0400
Subject: [PATCH] eth/tracers/js: use t.toBig on ctx.GasPrice for js tracing
 (#27903)

This change fixes a bug in js tracer, where `ctx.GasPrice.toString(16)` returns a number string in base `10`.
---
 eth/tracers/js/goja.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/eth/tracers/js/goja.go b/eth/tracers/js/goja.go
index f3d63df8e..d22d14098 100644
--- a/eth/tracers/js/goja.go
+++ b/eth/tracers/js/goja.go
@@ -236,7 +236,12 @@ func (t *jsTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Addr
 	t.ctx["to"] = t.vm.ToValue(to.Bytes())
 	t.ctx["input"] = t.vm.ToValue(input)
 	t.ctx["gas"] = t.vm.ToValue(t.gasLimit)
-	t.ctx["gasPrice"] = t.vm.ToValue(env.TxContext.GasPrice)
+	gasPriceBig, err := t.toBig(t.vm, env.TxContext.GasPrice.String())
+	if err != nil {
+		t.err = err
+		return
+	}
+	t.ctx["gasPrice"] = gasPriceBig
 	valueBig, err := t.toBig(t.vm, value.String())
 	if err != nil {
 		t.err = err