all: make timestamp-based fork checks based on uint64 (#26474)

This PR changes the API so that uint64 is used for fork timestamps.
It's a good choice because types.Header also uses uint64 for time.

Co-authored-by: Felix Lange <fjl@twurst.com>

eth/ethconfig/config.go

@@ -18,7 +18,6 @@
 package ethconfig
 
 import (
-	"math/big"
 	"os"
 	"os/user"
 	"path/filepath"
@@ -207,7 +206,7 @@ type Config struct {
 	CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
 
 	// OverrideShanghai (TODO: remove after the fork)
-	OverrideShanghai *big.Int `toml:",omitempty"`
+	OverrideShanghai *uint64 `toml:",omitempty"`
 }
 
 // CreateConsensusEngine creates a consensus engine for the given chain configuration.

eth/ethconfig/gen_config.go

@@ -3,7 +3,6 @@
 package ethconfig
 
 import (
-	"math/big"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -61,7 +60,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		RPCTxFeeCap             float64
 		Checkpoint              *params.TrustedCheckpoint      `toml:",omitempty"`
 		CheckpointOracle        *params.CheckpointOracleConfig `toml:",omitempty"`
-		OverrideShanghai        *big.Int                       `toml:",omitempty"`
+		OverrideShanghai        *uint64                        `toml:",omitempty"`
 	}
 	var enc Config
 	enc.Genesis = c.Genesis
@@ -155,7 +154,7 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 		RPCTxFeeCap             *float64
 		Checkpoint              *params.TrustedCheckpoint      `toml:",omitempty"`
 		CheckpointOracle        *params.CheckpointOracleConfig `toml:",omitempty"`
-		OverrideShanghai        *big.Int                       `toml:",omitempty"`
+		OverrideShanghai        *uint64                        `toml:",omitempty"`
 	}
 	var dec Config
 	if err := unmarshal(&dec); err != nil {

eth/tracers/internal/tracetest/calltrace_test.go

@@ -133,7 +133,7 @@ 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),
 					BaseFee:     test.Genesis.BaseFee,
@@ -234,7 +234,7 @@ 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),
 	}
@@ -288,7 +288,7 @@ 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),
 	}

eth/tracers/internal/tracetest/prestate_test.go

@@ -103,7 +103,7 @@ func testPrestateDiffTracer(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),
 					BaseFee:     test.Genesis.BaseFee,

eth/tracers/tracers_test.go

@@ -56,7 +56,7 @@ 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),