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core/evm: RANDOM opcode (EIP-4399) (#24141) 

* core: implement eip-4399 random opcode

* core: make vmconfig threadsafe

* core: miner: pass vmConfig by value not reference

* all: enable 4399 by Rules

* core: remove diff (f)

* tests: set proper difficulty (f)

* smaller diff (f)

* eth/catalyst: nit

* core: make RANDOM a pointer which is only set post-merge

* cmd/evm/internal/t8ntool: fix t8n tracing of 4399

* tests: set difficulty

* cmd/evm/internal/t8ntool: check that baserules are london before applying the merge chainrules
This commit is contained in:
Marius van der Wijden 2022-01-10 08:44:21 +01:00 committed by GitHub
parent 1884f37f2c
commit b1e72f7ea9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
21 changed files with 124 additions and 29 deletions
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7
cmd/evm/internal/t8ntool/execution.go
View File

@ -67,6 +67,7 @@ type ommer struct {
type stEnv struct {
Coinbase common.Address `json:"currentCoinbase" gencodec:"required"`
Difficulty *big.Int `json:"currentDifficulty"`
Random *big.Int `json:"currentRandom"`
ParentDifficulty *big.Int `json:"parentDifficulty"`
GasLimit uint64 `json:"currentGasLimit" gencodec:"required"`
Number uint64 `json:"currentNumber" gencodec:"required"`
@ -81,6 +82,7 @@ type stEnv struct {
type stEnvMarshaling struct {
Coinbase common.UnprefixedAddress
Difficulty *math.HexOrDecimal256
Random *math.HexOrDecimal256
ParentDifficulty *math.HexOrDecimal256
GasLimit math.HexOrDecimal64
Number math.HexOrDecimal64
@ -139,6 +141,11 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
if pre.Env.BaseFee != nil {
vmContext.BaseFee = new(big.Int).Set(pre.Env.BaseFee)
}
// If random is defined, add it to the vmContext.
if pre.Env.Random != nil {
rnd := common.BigToHash(pre.Env.Random)
vmContext.Random = &rnd
}
// If DAO is supported/enabled, we need to handle it here. In geth 'proper', it's
// done in StateProcessor.Process(block, ...), right before transactions are applied.
if chainConfig.DAOForkSupport &&

6
cmd/evm/internal/t8ntool/gen_stenv.go
View File

@ -18,6 +18,7 @@ func (s stEnv) MarshalJSON() ([]byte, error) {
type stEnv struct {
Coinbase common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"`
Random *math.HexOrDecimal256 `json:"currentRandom"`
ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"`
GasLimit math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
@ -31,6 +32,7 @@ func (s stEnv) MarshalJSON() ([]byte, error) {
var enc stEnv
enc.Coinbase = common.UnprefixedAddress(s.Coinbase)
enc.Difficulty = (*math.HexOrDecimal256)(s.Difficulty)
enc.Random = (*math.HexOrDecimal256)(s.Random)
enc.ParentDifficulty = (*math.HexOrDecimal256)(s.ParentDifficulty)
enc.GasLimit = math.HexOrDecimal64(s.GasLimit)
enc.Number = math.HexOrDecimal64(s.Number)
@ -48,6 +50,7 @@ func (s *stEnv) UnmarshalJSON(input []byte) error {
type stEnv struct {
Coinbase *common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty"`
Random *math.HexOrDecimal256 `json:"currentRandom"`
ParentDifficulty *math.HexOrDecimal256 `json:"parentDifficulty"`
GasLimit *math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number *math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
@ -69,6 +72,9 @@ func (s *stEnv) UnmarshalJSON(input []byte) error {
if dec.Difficulty != nil {
s.Difficulty = (*big.Int)(dec.Difficulty)
}
if dec.Random != nil {
s.Random = (*big.Int)(dec.Random)
}
if dec.ParentDifficulty != nil {
s.ParentDifficulty = (*big.Int)(dec.ParentDifficulty)
}

4
cmd/evm/internal/t8ntool/transition.go
View File

@ -252,6 +252,10 @@ func Transition(ctx *cli.Context) error {
return NewError(ErrorConfig, errors.New("EIP-1559 config but missing 'currentBaseFee' in env section"))
}
}
// Sanity check, to not `panic` in state_transition
if prestate.Env.Random != nil && !chainConfig.IsLondon(big.NewInt(int64(prestate.Env.Number))) {
return NewError(ErrorConfig, errors.New("can only apply RANDOM on top of London chainrules"))
}
if env := prestate.Env; env.Difficulty == nil {
// If difficulty was not provided by caller, we need to calculate it.
switch {

6
consensus/beacon/consensus.go
View File

@ -43,7 +43,6 @@ var (
// error types into the consensus package.
var (
errTooManyUncles = errors.New("too many uncles")
errInvalidMixDigest = errors.New("invalid mix digest")
errInvalidNonce = errors.New("invalid nonce")
errInvalidUncleHash = errors.New("invalid uncle hash")
)
@ -182,10 +181,7 @@ func (beacon *Beacon) verifyHeader(chain consensus.ChainHeaderReader, header, pa
if len(header.Extra) > 32 {
return fmt.Errorf("extra-data longer than 32 bytes (%d)", len(header.Extra))
}
// Verify the seal parts. Ensure the mixhash, nonce and uncle hash are the expected value.
if header.MixDigest != (common.Hash{}) {
return errInvalidMixDigest
}
// Verify the seal parts. Ensure the nonce and uncle hash are the expected value.
if header.Nonce != beaconNonce {
return errInvalidNonce
}

5
core/evm.go
View File

@ -40,6 +40,7 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
var (
beneficiary common.Address
baseFee *big.Int
random *common.Hash
)
// If we don't have an explicit author (i.e. not mining), extract from the header
@ -51,6 +52,9 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
if header.BaseFee != nil {
baseFee = new(big.Int).Set(header.BaseFee)
}
if header.Difficulty.Cmp(common.Big0) == 0 {
random = &header.MixDigest
}
return vm.BlockContext{
CanTransfer: CanTransfer,
Transfer: Transfer,
@ -61,6 +65,7 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
Difficulty: new(big.Int).Set(header.Difficulty),
BaseFee: baseFee,
GasLimit: header.GasLimit,
Random: random,
}
}

2
core/genesis.go
View File

@ -294,7 +294,7 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
if g.GasLimit == 0 {
head.GasLimit = params.GenesisGasLimit
}
if g.Difficulty == nil {
if g.Difficulty == nil && g.Mixhash == (common.Hash{}) {
head.Difficulty = params.GenesisDifficulty
}
if g.Config != nil && g.Config.IsLondon(common.Big0) {

2
core/state_transition.go
View File

@ -310,7 +310,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
}
// Set up the initial access list.
if rules := st.evm.ChainConfig().Rules(st.evm.Context.BlockNumber); rules.IsBerlin {
if rules := st.evm.ChainConfig().Rules(st.evm.Context.BlockNumber, st.evm.Context.Random != nil); rules.IsBerlin {
st.state.PrepareAccessList(msg.From(), msg.To(), vm.ActivePrecompiles(rules), msg.AccessList())
}
var (

3
core/vm/evm.go
View File

@ -75,6 +75,7 @@ type BlockContext struct {
Time *big.Int // Provides information for TIME
Difficulty *big.Int // Provides information for DIFFICULTY
BaseFee *big.Int // Provides information for BASEFEE
Random *common.Hash // Provides information for RANDOM
}
// TxContext provides the EVM with information about a transaction.
@ -131,7 +132,7 @@ func NewEVM(blockCtx BlockContext, txCtx TxContext, statedb StateDB, chainConfig
StateDB: statedb,
Config: config,
chainConfig: chainConfig,
chainRules: chainConfig.Rules(blockCtx.BlockNumber),
chainRules: chainConfig.Rules(blockCtx.BlockNumber, blockCtx.Random != nil),
}
evm.interpreter = NewEVMInterpreter(evm, config)
return evm

6
core/vm/instructions.go
View File

@ -477,6 +477,12 @@ func opDifficulty(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
return nil, nil
}
func opRandom(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
v := new(uint256.Int).SetBytes((interpreter.evm.Context.Random.Bytes()))
scope.Stack.push(v)
return nil, nil
}
func opGasLimit(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(interpreter.evm.Context.GasLimit))
return nil, nil

34
core/vm/instructions_test.go
View File

@ -21,6 +21,7 @@ import (
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
@ -654,3 +655,36 @@ func TestCreate2Addreses(t *testing.T) {
}
}
}
func TestRandom(t *testing.T) {
type testcase struct {
name string
random common.Hash
}
for _, tt := range []testcase{
{name: "empty hash", random: common.Hash{}},
{name: "1", random: common.Hash{0}},
{name: "emptyCodeHash", random: emptyCodeHash},
{name: "hash(0x010203)", random: crypto.Keccak256Hash([]byte{0x01, 0x02, 0x03})},
} {
var (
env = NewEVM(BlockContext{Random: &tt.random}, TxContext{}, nil, params.TestChainConfig, Config{})
stack = newstack()
pc = uint64(0)
evmInterpreter = env.interpreter
)
opRandom(&pc, evmInterpreter, &ScopeContext{nil, stack, nil})
if len(stack.data) != 1 {
t.Errorf("Expected one item on stack after %v, got %d: ", tt.name, len(stack.data))
}
actual := stack.pop()
expected, overflow := uint256.FromBig(new(big.Int).SetBytes(tt.random.Bytes()))
if overflow {
t.Errorf("Testcase %v: invalid overflow", tt.name)
}
if actual.Cmp(expected) != 0 {
t.Errorf("Testcase %v: expected %x, got %x", tt.name, expected, actual)
}
}
}

2
core/vm/interpreter.go
View File

@ -69,6 +69,8 @@ func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
// If jump table was not initialised we set the default one.
if cfg.JumpTable == nil {
switch {
case evm.chainRules.IsMerge:
cfg.JumpTable = &mergeInstructionSet
case evm.chainRules.IsLondon:
cfg.JumpTable = &londonInstructionSet
case evm.chainRules.IsBerlin:

12
core/vm/jump_table.go
View File

@ -54,6 +54,7 @@ var (
istanbulInstructionSet = newIstanbulInstructionSet()
berlinInstructionSet = newBerlinInstructionSet()
londonInstructionSet = newLondonInstructionSet()
mergeInstructionSet = newMergeInstructionSet()
)
// JumpTable contains the EVM opcodes supported at a given fork.
@ -77,6 +78,17 @@ func validate(jt JumpTable) JumpTable {
return jt
}
func newMergeInstructionSet() JumpTable {
instructionSet := newLondonInstructionSet()
instructionSet[RANDOM] = &operation{
execute: opRandom,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
}
return validate(instructionSet)
}
// newLondonInstructionSet returns the frontier, homestead, byzantium,
// contantinople, istanbul, petersburg, berlin and london instructions.
func newLondonInstructionSet() JumpTable {

3
core/vm/opcodes.go
View File

@ -95,6 +95,7 @@ const (
TIMESTAMP OpCode = 0x42
NUMBER OpCode = 0x43
DIFFICULTY OpCode = 0x44
RANDOM OpCode = 0x44 // Same as DIFFICULTY
GASLIMIT OpCode = 0x45
CHAINID OpCode = 0x46
SELFBALANCE OpCode = 0x47
@ -275,7 +276,7 @@ var opCodeToString = map[OpCode]string{
COINBASE: "COINBASE",
TIMESTAMP: "TIMESTAMP",
NUMBER: "NUMBER",
DIFFICULTY: "DIFFICULTY",
DIFFICULTY: "DIFFICULTY", // TODO (MariusVanDerWijden) rename to RANDOM post merge
GASLIMIT: "GASLIMIT",
CHAINID: "CHAINID",
SELFBALANCE: "SELFBALANCE",

6
core/vm/runtime/runtime.go
View File

@ -118,7 +118,7 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
vmenv = NewEnv(cfg)
sender = vm.AccountRef(cfg.Origin)
)
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber); rules.IsBerlin {
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil); rules.IsBerlin {
cfg.State.PrepareAccessList(cfg.Origin, &address, vm.ActivePrecompiles(rules), nil)
}
cfg.State.CreateAccount(address)
@ -150,7 +150,7 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
vmenv = NewEnv(cfg)
sender = vm.AccountRef(cfg.Origin)
)
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber); rules.IsBerlin {
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil); rules.IsBerlin {
cfg.State.PrepareAccessList(cfg.Origin, nil, vm.ActivePrecompiles(rules), nil)
}
// Call the code with the given configuration.
@ -176,7 +176,7 @@ func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, er
sender := cfg.State.GetOrNewStateObject(cfg.Origin)
statedb := cfg.State
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber); rules.IsBerlin {
if rules := cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil); rules.IsBerlin {
statedb.PrepareAccessList(cfg.Origin, &address, vm.ActivePrecompiles(rules), nil)
}
// Call the code with the given configuration.

7
eth/catalyst/api.go
View File

@ -133,9 +133,9 @@ type blockExecutionEnv struct {
}
func (env *blockExecutionEnv) commitTransaction(tx *types.Transaction, coinbase common.Address) error {
vmconfig := *env.chain.GetVMConfig()
vmConfig := *env.chain.GetVMConfig()
snap := env.state.Snapshot()
receipt, err := core.ApplyTransaction(env.chain.Config(), env.chain, &coinbase, env.gasPool, env.state, env.header, tx, &env.header.GasUsed, vmconfig)
receipt, err := core.ApplyTransaction(env.chain.Config(), env.chain, &coinbase, env.gasPool, env.state, env.header, tx, &env.header.GasUsed, vmConfig)
if err != nil {
env.state.RevertToSnapshot(snap)
return err
@ -318,6 +318,7 @@ func (api *ConsensusAPI) assembleBlock(parentHash common.Hash, params *PayloadAt
GasLimit: parent.GasLimit(), // Keep the gas limit constant in this prototype
Extra: []byte{}, // TODO (MariusVanDerWijden) properly set extra data
Time: params.Timestamp,
MixDigest: params.Random,
}
if config := api.eth.BlockChain().Config(); config.IsLondon(header.Number) {
header.BaseFee = misc.CalcBaseFee(config, parent.Header())
@ -432,7 +433,7 @@ func ExecutableDataToBlock(params ExecutableDataV1) (*types.Block, error) {
Time: params.Timestamp,
BaseFee: params.BaseFeePerGas,
Extra: params.ExtraData,
// TODO (MariusVanDerWijden) add params.Random to header once required
MixDigest: params.Random,
}
block := types.NewBlockWithHeader(header).WithBody(txs, nil /* uncles */)
if block.Hash() != params.BlockHash {

2
eth/tracers/js/tracer.go
View File

@ -697,7 +697,7 @@ func (jst *jsTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Ad
jst.ctx["block"] = env.Context.BlockNumber.Uint64()
jst.dbWrapper.db = env.StateDB
// Update list of precompiles based on current block
rules := env.ChainConfig().Rules(env.Context.BlockNumber)
rules := env.ChainConfig().Rules(env.Context.BlockNumber, env.Context.Random != nil)
jst.activePrecompiles = vm.ActivePrecompiles(rules)
// Compute intrinsic gas

2
eth/tracers/native/4byte.go
View File

@ -83,7 +83,7 @@ func (t *fourByteTracer) CaptureStart(env *vm.EVM, from common.Address, to commo
t.env = env
// Update list of precompiles based on current block
rules := env.ChainConfig().Rules(env.Context.BlockNumber)
rules := env.ChainConfig().Rules(env.Context.BlockNumber, env.Context.Random != nil)
t.activePrecompiles = vm.ActivePrecompiles(rules)
// Save the outer calldata also

3
internal/ethapi/api.go
View File

@ -1432,8 +1432,9 @@ func AccessList(ctx context.Context, b Backend, blockNrOrHash rpc.BlockNumberOrH
} else {
to = crypto.CreateAddress(args.from(), uint64(*args.Nonce))
}
isPostMerge := header.Difficulty.Cmp(common.Big0) == 0
// Retrieve the precompiles since they don't need to be added to the access list
precompiles := vm.ActivePrecompiles(b.ChainConfig().Rules(header.Number))
precompiles := vm.ActivePrecompiles(b.ChainConfig().Rules(header.Number, isPostMerge))
// Create an initial tracer
prevTracer := logger.NewAccessListTracer(nil, args.from(), to, precompiles)

6
params/config.go
View File

@ -267,7 +267,7 @@ var (
AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}}
TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, new(EthashConfig), nil}
TestRules = TestChainConfig.Rules(new(big.Int))
TestRules = TestChainConfig.Rules(new(big.Int), false)
)
// TrustedCheckpoint represents a set of post-processed trie roots (CHT and
@ -668,10 +668,11 @@ type Rules struct {
IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool
IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
IsBerlin, IsLondon bool
IsMerge bool
}
// Rules ensures c's ChainID is not nil.
func (c *ChainConfig) Rules(num *big.Int) Rules {
func (c *ChainConfig) Rules(num *big.Int, isMerge bool) Rules {
chainID := c.ChainID
if chainID == nil {
chainID = new(big.Int)
@ -688,5 +689,6 @@ func (c *ChainConfig) Rules(num *big.Int) Rules {
IsIstanbul: c.IsIstanbul(num),
IsBerlin: c.IsBerlin(num),
IsLondon: c.IsLondon(num),
IsMerge: isMerge,
}
}

15
tests/gen_stenv.go
View File

@ -17,7 +17,8 @@ var _ = (*stEnvMarshaling)(nil)
func (s stEnv) MarshalJSON() ([]byte, error) {
type stEnv struct {
Coinbase common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty" gencodec:"optional"`
Random *math.HexOrDecimal256 `json:"currentRandom" gencodec:"optional"`
GasLimit math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
Timestamp math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"`
@ -26,6 +27,7 @@ func (s stEnv) MarshalJSON() ([]byte, error) {
var enc stEnv
enc.Coinbase = common.UnprefixedAddress(s.Coinbase)
enc.Difficulty = (*math.HexOrDecimal256)(s.Difficulty)
enc.Random = (*math.HexOrDecimal256)(s.Random)
enc.GasLimit = math.HexOrDecimal64(s.GasLimit)
enc.Number = math.HexOrDecimal64(s.Number)
enc.Timestamp = math.HexOrDecimal64(s.Timestamp)
@ -37,7 +39,8 @@ func (s stEnv) MarshalJSON() ([]byte, error) {
func (s *stEnv) UnmarshalJSON(input []byte) error {
type stEnv struct {
Coinbase *common.UnprefixedAddress `json:"currentCoinbase" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty" gencodec:"required"`
Difficulty *math.HexOrDecimal256 `json:"currentDifficulty" gencodec:"optional"`
Random *math.HexOrDecimal256 `json:"currentRandom" gencodec:"optional"`
GasLimit *math.HexOrDecimal64 `json:"currentGasLimit" gencodec:"required"`
Number *math.HexOrDecimal64 `json:"currentNumber" gencodec:"required"`
Timestamp *math.HexOrDecimal64 `json:"currentTimestamp" gencodec:"required"`
@ -51,10 +54,12 @@ func (s *stEnv) UnmarshalJSON(input []byte) error {
return errors.New("missing required field 'currentCoinbase' for stEnv")
}
s.Coinbase = common.Address(*dec.Coinbase)
if dec.Difficulty == nil {
return errors.New("missing required field 'currentDifficulty' for stEnv")
if dec.Difficulty != nil {
s.Difficulty = (*big.Int)(dec.Difficulty)
}
if dec.Random != nil {
s.Random = (*big.Int)(dec.Random)
}
s.Difficulty = (*big.Int)(dec.Difficulty)
if dec.GasLimit == nil {
return errors.New("missing required field 'currentGasLimit' for stEnv")
}

20
tests/state_test_util.go
View File

@ -80,16 +80,18 @@ type stPostState struct {
type stEnv struct {
Coinbase common.Address `json:"currentCoinbase" gencodec:"required"`
Difficulty *big.Int `json:"currentDifficulty" gencodec:"required"`
Difficulty *big.Int `json:"currentDifficulty" gencodec:"optional"`
Random *big.Int `json:"currentRandom" gencodec:"optional"`
GasLimit uint64 `json:"currentGasLimit" gencodec:"required"`
Number uint64 `json:"currentNumber" gencodec:"required"`
Timestamp uint64 `json:"currentTimestamp" gencodec:"required"`
BaseFee *big.Int `json:"currentBaseFee" gencodec:"optional"`
BaseFee *big.Int `json:"currentBaseFee" gencodec:"optional"`
}
type stEnvMarshaling struct {
Coinbase common.UnprefixedAddress
Difficulty *math.HexOrDecimal256
Random *math.HexOrDecimal256
GasLimit math.HexOrDecimal64
Number math.HexOrDecimal64
Timestamp math.HexOrDecimal64
@ -218,8 +220,12 @@ func (t *StateTest) RunNoVerify(subtest StateSubtest, vmconfig vm.Config, snapsh
context := core.NewEVMBlockContext(block.Header(), nil, &t.json.Env.Coinbase)
context.GetHash = vmTestBlockHash
context.BaseFee = baseFee
if t.json.Env.Random != nil {
rnd := common.BigToHash(t.json.Env.Random)
context.Random = &rnd
context.Difficulty = big.NewInt(0)
}
evm := vm.NewEVM(context, txContext, statedb, config, vmconfig)
// Execute the message.
snapshot := statedb.Snapshot()
gaspool := new(core.GasPool)
@ -268,7 +274,7 @@ func MakePreState(db ethdb.Database, accounts core.GenesisAlloc, snapshotter boo
}
func (t *StateTest) genesis(config *params.ChainConfig) *core.Genesis {
return &core.Genesis{
genesis := &core.Genesis{
Config: config,
Coinbase: t.json.Env.Coinbase,
Difficulty: t.json.Env.Difficulty,
@ -277,6 +283,12 @@ func (t *StateTest) genesis(config *params.ChainConfig) *core.Genesis {
Timestamp: t.json.Env.Timestamp,
Alloc: t.json.Pre,
}
if t.json.Env.Random != nil {
// Post-Merge
genesis.Mixhash = common.BigToHash(t.json.Env.Random)
genesis.Difficulty = big.NewInt(0)
}
return genesis
}
func (tx *stTransaction) toMessage(ps stPostState, baseFee *big.Int) (core.Message, error) {