core/vm: make time field use uint64 #26474 (#1319)

consensus/XDPoS/api.go

@@ -51,7 +51,7 @@ type V2BlockInfo struct {
 	ParentHash common.Hash
 	Committed  bool
 	Miner      common.Hash
-	Timestamp  *big.Int
+	Timestamp  uint64
 	EncodedRLP string
 	Error      string
 }
@@ -297,7 +297,7 @@ func (api *API) GetV2BlockByHeader(header *types.Header, uncle bool) *V2BlockInf
 		Round:      round,
 		Committed:  committed,
 		Miner:      header.Coinbase.Hash(),
-		Timestamp:  new(big.Int).SetUint64(header.Time),
+		Timestamp:  header.Time,
 		EncodedRLP: base64.StdEncoding.EncodeToString(encodeBytes),
 	}
 	return block

core/evm.go

@@ -60,7 +60,7 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
 		GetHash:     GetHashFn(header, chain),
 		Coinbase:    beneficiary,
 		BlockNumber: new(big.Int).Set(header.Number),
-		Time:        new(big.Int).SetUint64(header.Time),
+		Time:        header.Time,
 		Difficulty:  new(big.Int).Set(header.Difficulty),
 		BaseFee:     baseFee,
 		GasLimit:    header.GasLimit,

core/vm/evm.go

@@ -72,7 +72,7 @@ type BlockContext struct {
 	Coinbase    common.Address // Provides information for COINBASE
 	GasLimit    uint64         // Provides information for GASLIMIT
 	BlockNumber *big.Int       // Provides information for NUMBER
-	Time        *big.Int       // Provides information for TIME
+	Time        uint64         // Provides information for TIME
 	Difficulty  *big.Int       // Provides information for DIFFICULTY
 	BaseFee     *big.Int       // Provides information for BASEFEE (0 if vm runs with NoBaseFee flag and 0 gas price)
 	Random      *common.Hash   // Provides information for PREVRANDAO

core/vm/instructions.go

@@ -464,8 +464,7 @@ func opCoinbase(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
 }
 
 func opTimestamp(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
-	v, _ := uint256.FromBig(interpreter.evm.Context.Time)
+	scope.Stack.push(new(uint256.Int).SetUint64(interpreter.evm.Context.Time))
-	scope.Stack.push(v)
 	return nil, nil
 }
 

core/vm/runtime/runtime.go

@@ -19,7 +19,6 @@ package runtime
 import (
 	"math"
 	"math/big"
-	"time"
 
 	"github.com/XinFinOrg/XDPoSChain/common"
 	"github.com/XinFinOrg/XDPoSChain/core/rawdb"
@@ -38,7 +37,7 @@ type Config struct {
 	Origin      common.Address
 	Coinbase    common.Address
 	BlockNumber *big.Int
-	Time        *big.Int
+	Time        uint64
 	GasLimit    uint64
 	GasPrice    *big.Int
 	Value       *big.Int
@@ -77,9 +76,6 @@ func setDefaults(cfg *Config) {
 	if cfg.Difficulty == nil {
 		cfg.Difficulty = new(big.Int)
 	}
-	if cfg.Time == nil {
-		cfg.Time = big.NewInt(time.Now().Unix())
-	}
 	if cfg.GasLimit == 0 {
 		cfg.GasLimit = math.MaxUint64
 	}

core/vm/runtime/runtime_test.go

@@ -43,9 +43,6 @@ func TestDefaults(t *testing.T) {
 		t.Error("expected difficulty to be non nil")
 	}
 
-	if cfg.Time == nil {
-		t.Error("expected time to be non nil")
-	}
 	if cfg.GasLimit == 0 {
 		t.Error("didn't expect gaslimit to be zero")
 	}
@@ -171,7 +168,7 @@ func benchmarkEVM_Create(bench *testing.B, code string) {
 		State:       statedb,
 		GasLimit:    10000000,
 		Difficulty:  big.NewInt(0x200000),
-		Time:        new(big.Int).SetUint64(0),
+		Time:        0,
 		Coinbase:    common.Address{},
 		BlockNumber: new(big.Int).SetUint64(1),
 		ChainConfig: &params.ChainConfig{

eth/tracers/testing/calltrace_test.go

@@ -104,7 +104,7 @@ func testCallTracer(tracerName string, dirPath string, t *testing.T) {
 					Transfer:    core.Transfer,
 					Coinbase:    test.Context.Miner,
 					BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
-					Time:        new(big.Int).SetUint64(uint64(test.Context.Time)),
+					Time:        uint64(test.Context.Time),
 					Difficulty:  (*big.Int)(test.Context.Difficulty),
 					GasLimit:    uint64(test.Context.GasLimit),
 				}
@@ -214,7 +214,7 @@ func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
 		Transfer:    core.Transfer,
 		Coinbase:    test.Context.Miner,
 		BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
-		Time:        new(big.Int).SetUint64(uint64(test.Context.Time)),
+		Time:        uint64(test.Context.Time),
 		Difficulty:  (*big.Int)(test.Context.Difficulty),
 		GasLimit:    uint64(test.Context.GasLimit),
 	}
@@ -286,7 +286,7 @@ func testContractTracer(tracerName string, dirPath string, t *testing.T) {
 					Transfer:    core.Transfer,
 					Coinbase:    test.Context.Miner,
 					BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
-					Time:        new(big.Int).SetUint64(uint64(test.Context.Time)),
+					Time:        uint64(test.Context.Time),
 					Difficulty:  (*big.Int)(test.Context.Difficulty),
 					GasLimit:    uint64(test.Context.GasLimit),
 				}

eth/tracers/tracers_test.go

@@ -127,7 +127,7 @@ func TestZeroValueToNotExitCall(t *testing.T) {
 		Transfer:    core.Transfer,
 		Coinbase:    common.Address{},
 		BlockNumber: new(big.Int).SetUint64(8000000),
-		Time:        new(big.Int).SetUint64(5),
+		Time:        5,
 		Difficulty:  big.NewInt(0x30000),
 		GasLimit:    uint64(6000000),
 	}
@@ -211,7 +211,7 @@ func TestPrestateTracerCreate2(t *testing.T) {
 		Transfer:    core.Transfer,
 		Coinbase:    common.Address{},
 		BlockNumber: new(big.Int).SetUint64(8000000),
-		Time:        new(big.Int).SetUint64(5),
+		Time:        5,
 		Difficulty:  big.NewInt(0x30000),
 		GasLimit:    uint64(6000000),
 	}
@@ -304,7 +304,7 @@ func BenchmarkTransactionTrace(b *testing.B) {
 		Transfer:    core.Transfer,
 		Coinbase:    common.Address{},
 		BlockNumber: new(big.Int).SetUint64(uint64(5)),
-		Time:        new(big.Int).SetUint64(uint64(5)),
+		Time:        5,
 		Difficulty:  big.NewInt(0xffffffff),
 		GasLimit:    gas,
 		BaseFee:     big.NewInt(8),

tests/vm_test_util.go

@@ -143,7 +143,7 @@ func (t *VMTest) newEVM(statedb *state.StateDB, vmconfig vm.Config) *vm.EVM {
 		GetHash:     vmTestBlockHash,
 		Coinbase:    t.json.Env.Coinbase,
 		BlockNumber: new(big.Int).SetUint64(t.json.Env.Number),
-		Time:        new(big.Int).SetUint64(t.json.Env.Timestamp),
+		Time:        t.json.Env.Timestamp,
 		GasLimit:    t.json.Env.GasLimit,
 		Difficulty:  t.json.Env.Difficulty,
 	}