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Eip 1884 v3 (#19743)

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* core/vm, tests: implement EIP 1884, add support for feature-tests

* core/vm: 1884-changes to extcodehash, move selfbalance opcode

* tests: fix statetests

* core/vm: move constants, address review concerns

* core/vm: word formatting

Co-Authored-By: Péter Szilágyi <peterke@gmail.com>
This commit is contained in:
Martin Holst Swende
2019-08-08 11:07:23 +02:00
committed by Péter Szilágyi
parent f3478f2899
commit 3e993ff64a
6 changed files with 141 additions and 32 deletions
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19
core/vm/jump_table.go
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@ -62,9 +62,12 @@ var (
constantinopleInstructionSet = newConstantinopleInstructionSet()
)
// JumpTable contains the EVM opcodes supported at a given fork.
type JumpTable [256]operation
// NewConstantinopleInstructionSet returns the frontier, homestead
// byzantium and contantinople instructions.
func newConstantinopleInstructionSet() [256]operation {
func newConstantinopleInstructionSet() JumpTable {
// instructions that can be executed during the byzantium phase.
instructionSet := newByzantiumInstructionSet()
instructionSet[SHL] = operation{
@ -90,7 +93,7 @@ func newConstantinopleInstructionSet() [256]operation {
}
instructionSet[EXTCODEHASH] = operation{
execute: opExtCodeHash,
constantGas: params.ExtcodeHashGas,
constantGas: params.ExtcodeHashGasConstantinople,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
valid: true,
@ -111,7 +114,7 @@ func newConstantinopleInstructionSet() [256]operation {
// NewByzantiumInstructionSet returns the frontier, homestead and
// byzantium instructions.
func newByzantiumInstructionSet() [256]operation {
func newByzantiumInstructionSet() JumpTable {
// instructions that can be executed during the homestead phase.
instructionSet := newSpuriousDragonInstructionSet()
instructionSet[STATICCALL] = operation{
@ -154,7 +157,7 @@ func newByzantiumInstructionSet() [256]operation {
}
// EIP 158 a.k.a Spurious Dragon
func newSpuriousDragonInstructionSet() [256]operation {
func newSpuriousDragonInstructionSet() JumpTable {
instructionSet := newTangerineWhistleInstructionSet()
instructionSet[EXP].dynamicGas = gasExpEIP158
return instructionSet
@ -162,7 +165,7 @@ func newSpuriousDragonInstructionSet() [256]operation {
}
// EIP 150 a.k.a Tangerine Whistle
func newTangerineWhistleInstructionSet() [256]operation {
func newTangerineWhistleInstructionSet() JumpTable {
instructionSet := newHomesteadInstructionSet()
instructionSet[BALANCE].constantGas = params.BalanceGasEIP150
instructionSet[EXTCODESIZE].constantGas = params.ExtcodeSizeGasEIP150
@ -176,7 +179,7 @@ func newTangerineWhistleInstructionSet() [256]operation {
// NewHomesteadInstructionSet returns the frontier and homestead
// instructions that can be executed during the homestead phase.
func newHomesteadInstructionSet() [256]operation {
func newHomesteadInstructionSet() JumpTable {
instructionSet := newFrontierInstructionSet()
instructionSet[DELEGATECALL] = operation{
execute: opDelegateCall,
@ -193,8 +196,8 @@ func newHomesteadInstructionSet() [256]operation {
// NewFrontierInstructionSet returns the frontier instructions
// that can be executed during the frontier phase.
func newFrontierInstructionSet() [256]operation {
return [256]operation{
func newFrontierInstructionSet() JumpTable {
return JumpTable{
STOP: {
execute: opStop,
constantGas: 0,