feat: skip RANDOM & PREVRANDAO opcodes (#811)

fix opRandom
scroll-tech · Jun 8, 2024 · b3920ab · b3920ab
1 parent 20a7093
commit b3920ab
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Showing 2 changed files with 14 additions and 13 deletions.
diff --git a/core/vm/jump_table.go b/core/vm/jump_table.go
@@ -120,12 +120,12 @@ func newShanghaiInstructionSet() JumpTable {
 
 func newMergeInstructionSet() JumpTable {
 	instructionSet := newLondonInstructionSet()
-	instructionSet[PREVRANDAO] = &operation{
-		execute:     opRandom,
-		constantGas: GasQuickStep,
-		minStack:    minStack(0, 1),
-		maxStack:    maxStack(0, 1),
-	}
+	// instructionSet[PREVRANDAO] = &operation{
+	// 	execute:     opRandom,
+	// 	constantGas: GasQuickStep,
+	// 	minStack:    minStack(0, 1),
+	// 	maxStack:    maxStack(0, 1),
+	// }
 	return validate(instructionSet)
 }
 

diff --git a/core/vm/opcodes.go b/core/vm/opcodes.go
@@ -89,13 +89,14 @@ const (
 
 // 0x40 range - block operations.
 const (
-	BLOCKHASH   OpCode = 0x40
-	COINBASE    OpCode = 0x41
-	TIMESTAMP   OpCode = 0x42
-	NUMBER      OpCode = 0x43
-	DIFFICULTY  OpCode = 0x44
-	RANDOM      OpCode = 0x44 // Same as DIFFICULTY
-	PREVRANDAO  OpCode = 0x44 // Same as DIFFICULTY
+	BLOCKHASH  OpCode = 0x40
+	COINBASE   OpCode = 0x41
+	TIMESTAMP  OpCode = 0x42
+	NUMBER     OpCode = 0x43
+	DIFFICULTY OpCode = 0x44
+	// RANDOM & PREVRANDAO are not supported in scroll
+	// RANDOM      OpCode = 0x44 // Same as DIFFICULTY
+	// PREVRANDAO  OpCode = 0x44 // Same as DIFFICULTY
 	GASLIMIT    OpCode = 0x45
 	CHAINID     OpCode = 0x46
 	SELFBALANCE OpCode = 0x47