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core/vm: enable istanbul EIPs in the jump table

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Péter Szilágyi 2019-08-22 13:41:55 +03:00
parent 46ec63b849
commit 060e33fb4c
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GPG Key ID: E9AE538CEDF8293D
2 changed files with 19 additions and 6 deletions
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2
core/vm/interpreter.go
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@ -93,6 +93,8 @@ func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
if !cfg.JumpTable[STOP].valid {
var jt JumpTable
switch {
case evm.chainRules.IsIstanbul:
jt = istanbulInstructionSet
case evm.chainRules.IsConstantinople:
jt = constantinopleInstructionSet
case evm.chainRules.IsByzantium:

23
core/vm/jump_table.go
View File

@ -60,15 +60,27 @@ var (
spuriousDragonInstructionSet = newSpuriousDragonInstructionSet()
byzantiumInstructionSet = newByzantiumInstructionSet()
constantinopleInstructionSet = newConstantinopleInstructionSet()
istanbulInstructionSet = newIstanbulInstructionSet()
)
// JumpTable contains the EVM opcodes supported at a given fork.
type JumpTable [256]operation
// NewConstantinopleInstructionSet returns the frontier, homestead
// newIstanbulInstructionSet returns the frontier, homestead
// byzantium, contantinople and petersburg instructions.
func newIstanbulInstructionSet() JumpTable {
instructionSet := newConstantinopleInstructionSet()
enable1344(&instructionSet) // ChainID opcode - https://eips.ethereum.org/EIPS/eip-1344
enable1884(&instructionSet) // Reprice reader opcodes - https://eips.ethereum.org/EIPS/eip-1884
enable2200(&instructionSet) // Net metered SSTORE - https://eips.ethereum.org/EIPS/eip-2200
return instructionSet
}
// newConstantinopleInstructionSet returns the frontier, homestead
// byzantium and contantinople instructions.
func newConstantinopleInstructionSet() JumpTable {
// instructions that can be executed during the byzantium phase.
instructionSet := newByzantiumInstructionSet()
instructionSet[SHL] = operation{
execute: opSHL,
@ -112,10 +124,9 @@ func newConstantinopleInstructionSet() JumpTable {
return instructionSet
}
// NewByzantiumInstructionSet returns the frontier, homestead and
// newByzantiumInstructionSet returns the frontier, homestead and
// byzantium instructions.
func newByzantiumInstructionSet() JumpTable {
// instructions that can be executed during the homestead phase.
instructionSet := newSpuriousDragonInstructionSet()
instructionSet[STATICCALL] = operation{
execute: opStaticCall,
@ -177,7 +188,7 @@ func newTangerineWhistleInstructionSet() JumpTable {
return instructionSet
}
// NewHomesteadInstructionSet returns the frontier and homestead
// newHomesteadInstructionSet returns the frontier and homestead
// instructions that can be executed during the homestead phase.
func newHomesteadInstructionSet() JumpTable {
instructionSet := newFrontierInstructionSet()
@ -194,7 +205,7 @@ func newHomesteadInstructionSet() JumpTable {
return instructionSet
}
// NewFrontierInstructionSet returns the frontier instructions
// newFrontierInstructionSet returns the frontier instructions
// that can be executed during the frontier phase.
func newFrontierInstructionSet() JumpTable {
return JumpTable{