core/vm: add bn256ScalarMul testcase for zero scalar value (#26607)

raulk · web-flow · commit 918aed4e314f · 2023-02-06T07:41:29.000-05:00
EIP-196 allows a zero value in the scalar argument to precompile `0x07`. This change adds a test for that case.
diff --git a/core/vm/testdata/precompiles/bn256ScalarMul.json b/core/vm/testdata/precompiles/bn256ScalarMul.json
@@ -124,5 +124,12 @@
     "Name": "cdetrio15",
     "Gas": 6000,
     "NoBenchmark": true
+  },
+  {
+    "Input": "039730ea8dff1254c0fee9c0ea777d29a9c710b7e616683f194f18c43b43b869073a5ffcc6fc7a28c30723d6e58ce577356982d65b833a5a5c15bf9024b43d980000000000000000000000000000000000000000000000000000000000000000",
+    "Expected": "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+    "Name": "zeroScalar",
+    "Gas": 6000,
+    "NoBenchmark": true
   }
 ]

Original file line number	Diff line number	Diff line change
`@@ -124,5 +124,12 @@`
`124`	`124`	`"Name": "cdetrio15",`
`125`	`125`	`"Gas": 6000,`
`126`	`126`	`"NoBenchmark": true`
	`127`	`+ },`
	`128`	`+ {`
	`129`	`+ "Input": "039730ea8dff1254c0fee9c0ea777d29a9c710b7e616683f194f18c43b43b869073a5ffcc6fc7a28c30723d6e58ce577356982d65b833a5a5c15bf9024b43d980000000000000000000000000000000000000000000000000000000000000000",`
	`130`	`+ "Expected": "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",`
	`131`	`+ "Name": "zeroScalar",`
	`132`	`+ "Gas": 6000,`
	`133`	`+ "NoBenchmark": true`
`127`	`134`	`}`
`128`	`135`	`]`