diff options
Diffstat (limited to 'core/vm/jump_table.go')
| -rw-r--r-- | core/vm/jump_table.go | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/core/vm/jump_table.go b/core/vm/jump_table.go index ed30100ac..c4a1430b2 100644 --- a/core/vm/jump_table.go +++ b/core/vm/jump_table.go @@ -47,13 +47,32 @@ type operation struct { // jumps indicates whether operation made a jump. This prevents the program // counter from further incrementing. jumps bool + // writes determines whether this a state modifying operation + writes bool // valid is used to check whether the retrieved operation is valid and known valid bool + // reverts determined whether the operation reverts state + reverts bool } -var defaultJumpTable = NewJumpTable() +var ( + baseInstructionSet = NewBaseInstructionSet() + homesteadInstructionSet = NewHomesteadInstructionSet() +) + +func NewHomesteadInstructionSet() [256]operation { + instructionSet := NewBaseInstructionSet() + instructionSet[DELEGATECALL] = operation{ + execute: opDelegateCall, + gasCost: gasDelegateCall, + validateStack: makeStackFunc(6, 1), + memorySize: memoryDelegateCall, + valid: true, + } + return instructionSet +} -func NewJumpTable() [256]operation { +func NewBaseInstructionSet() [256]operation { return [256]operation{ STOP: { execute: opStop, @@ -357,6 +376,7 @@ func NewJumpTable() [256]operation { gasCost: gasSStore, validateStack: makeStackFunc(2, 0), valid: true, + writes: true, }, JUMP: { execute: opJump, @@ -821,6 +841,7 @@ func NewJumpTable() [256]operation { validateStack: makeStackFunc(3, 1), memorySize: memoryCreate, valid: true, + writes: true, }, CALL: { execute: opCall, @@ -844,19 +865,13 @@ func NewJumpTable() [256]operation { halts: true, valid: true, }, - DELEGATECALL: { - execute: opDelegateCall, - gasCost: gasDelegateCall, - validateStack: makeStackFunc(6, 1), - memorySize: memoryDelegateCall, - valid: true, - }, SELFDESTRUCT: { execute: opSuicide, gasCost: gasSuicide, validateStack: makeStackFunc(1, 0), halts: true, valid: true, + writes: true, }, } } |