don't write checkpoint if state root wasn't outputted

78196f9c · George Hotz · George Hotz · 97433e28 · 78196f9c
Commit 78196f9c authored Feb 09, 2022 by George Hotz Committed by George Hotz Feb 09, 2022
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main.go mipsevm/main.go +5 -0

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--- a/mipsevm/main.go
+++ b/mipsevm/main.go
@@ -5,6 +5,7 @@ import (
 	"encoding/binary"
 	"fmt"
 	"io/ioutil"
+	"log"
 	"os"
 	"strconv"

@@ -96,6 +97,10 @@ func main() {
 	}

 	if target == -1 {
+		if ram[0x30000800] != 0x1337f00d {
+			log.Fatal("failed to output state root, exiting")
+		}
+
 		output_filename := fmt.Sprintf("%s/output", root)
 		outputs, err := ioutil.ReadFile(output_filename)
 		check(err)