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-rw-r--r--core/vm/vm.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/core/vm/vm.go b/core/vm/vm.go
index 56081f12c..a5f48750d 100644
--- a/core/vm/vm.go
+++ b/core/vm/vm.go
@@ -44,6 +44,8 @@ type Config struct {
NoRecursion bool
// Disable gas metering
DisableGasMetering bool
+ // Enable recording of SHA3/keccak preimages
+ EnablePreimageRecording bool
// JumpTable contains the EVM instruction table. This
// may me left uninitialised and will be set the default
// table.