feat: update L2 base fee formula (#951) (#973)

* feat: update L2 base fee formula (#951)

* update `CalcBaseFee`

* update `TestCalcBaseFee`

* update `TestStateProcessorErrors`

* bump version

* update threshold

* update core/state_processor_test.go

Author: 0xmountaintop

consensus/misc/eip1559/eip1559_scroll.go

@@ -26,7 +26,7 @@ import (
 )
 
 // Protocol-enforced maximum L2 base fee.
-// We would only go above this if L1 base fee hits 2164 Gwei.
+// We would only go above this if L1 base fee hits 2931 Gwei.
 const MaximumL2BaseFee = 10000000000
 
 // VerifyEIP1559Header verifies some header attributes which were changed in EIP-1559,
@@ -53,11 +53,11 @@ func VerifyEIP1559Header(config *params.ChainConfig, parent, header *types.Heade
 // CalcBaseFee calculates the basefee of the header.
 func CalcBaseFee(config *params.ChainConfig, parent *types.Header, parentL1BaseFee *big.Int) *big.Int {
 	l2SequencerFee := big.NewInt(1000000) // 0.001 Gwei
-	provingFee := big.NewInt(47700000)    // 0.0477 Gwei
+	provingFee := big.NewInt(33700000)    // 0.0337 Gwei
 
-	// L1_base_fee * 0.0046
+	// L1_base_fee * 0.0034
 	verificationFee := parentL1BaseFee
-	verificationFee = new(big.Int).Mul(verificationFee, big.NewInt(46))
+	verificationFee = new(big.Int).Mul(verificationFee, big.NewInt(34))
 	verificationFee = new(big.Int).Div(verificationFee, big.NewInt(10000))
 
 	baseFee := big.NewInt(0)

consensus/misc/eip1559/eip1559_scroll_test.go

@@ -111,12 +111,13 @@ func TestCalcBaseFee(t *testing.T) {
 		parentL1BaseFee   int64
 		expectedL2BaseFee int64
 	}{
-		{0, 48700000},
-		{1000000000, 53300000},
-		{2000000000, 57900000},
-		{100000000000, 508700000},
-		{111111111111, 559811111},
-		{2164000000000, 10000000000}, // cap at max L2 base fee
+		{0, 34700000},
+		{1000000000, 38100000},
+		{2000000000, 41500000},
+		{100000000000, 374700000},
+		{111111111111, 412477777},
+		{2164000000000, 7392300000},
+		{2931000000000, 10000000000}, // cap at max L2 base fee
 	}
 	for i, test := range tests {
 		if have, want := CalcBaseFee(config(), nil, big.NewInt(test.parentL1BaseFee)), big.NewInt(test.expectedL2BaseFee); have.Cmp(want) != 0 {

core/state_processor_test.go

@@ -21,6 +21,7 @@ import (
 	"math/big"
 	"testing"
 
+	"github.com/holiman/uint256"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/common/math"
 	"github.com/scroll-tech/go-ethereum/consensus"
@@ -34,7 +35,6 @@ import (
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/params"
 	"github.com/scroll-tech/go-ethereum/trie"
-	"github.com/holiman/uint256"
 	"golang.org/x/crypto/sha3"
 )
 
@@ -199,7 +199,7 @@ func TestStateProcessorErrors(t *testing.T) {
 				txs: []*types.Transaction{
 					mkDynamicTx(0, common.Address{}, params.TxGas, big.NewInt(0), big.NewInt(0)),
 				},
-				want: "could not apply tx 0 [0xc4ab868fef0c82ae0387b742aee87907f2d0fc528fc6ea0a021459fb0fc4a4a8]: max fee per gas less than block base fee: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxFeePerGas: 0 baseFee: 875000000",
+				want: "could not apply tx 0 [0xc4ab868fef0c82ae0387b742aee87907f2d0fc528fc6ea0a021459fb0fc4a4a8]: max fee per gas less than block base fee: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxFeePerGas: 0 baseFee: 38100000",
 			},
 			{ // ErrTipVeryHigh
 				txs: []*types.Transaction{
@@ -252,7 +252,7 @@ func TestStateProcessorErrors(t *testing.T) {
 				txs: []*types.Transaction{
 					mkBlobTx(0, common.Address{}, params.TxGas, big.NewInt(1), big.NewInt(1), []common.Hash{(common.Hash{1})}),
 				},
-				want: "could not apply tx 0 [0x6c11015985ce82db691d7b2d017acda296db88b811c3c60dc71449c76256c716]: max fee per gas less than block base fee: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxFeePerGas: 1 baseFee: 875000000",
+				want: "could not apply tx 0 [0x6c11015985ce82db691d7b2d017acda296db88b811c3c60dc71449c76256c716]: max fee per gas less than block base fee: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxFeePerGas: 1 baseFee: 38100000",
 			},
 		} {
 			block := GenerateBadBlock(gspec.ToBlock(), beacon.New(ethash.NewFaker()), tt.txs, gspec.Config)