consensus/misc: eip-1559 comment

consensus/misc/eip1559/eip1559.go

@@ -31,8 +31,10 @@ import (
 // VerifyEIP1559Header verifies some header attributes which were changed in EIP-1559,
 // - gas limit check
 // - basefee check
+// VerifyEIP1559Header 함수는 EIP-1559이후 변경된 헤더 속성을 검증한다
 func VerifyEIP1559Header(config *params.ChainConfig, parent, header *types.Header) error {
 	// Verify that the gas limit remains within allowed bounds
+	// gas limit이 허용된 범위 안에 있는지 검증한다
 	parentGasLimit := parent.GasLimit
 	if !config.IsLondon(parent.Number) {
 		parentGasLimit = parent.GasLimit * config.ElasticityMultiplier()
@@ -41,10 +43,12 @@ func VerifyEIP1559Header(config *params.ChainConfig, parent, header *types.Heade
 		return err
 	}
 	// Verify the header is not malformed
+	// 헤더가 잘못된 형식이 아닌지 확인한다(baseFee)
 	if header.BaseFee == nil {
 		return errors.New("header is missing baseFee")
 	}
 	// Verify the baseFee is correct based on the parent header.
+	// baseFee가 parent header에 근거해 올바른지 확인한다.
 	expectedBaseFee := CalcBaseFee(config, parent)
 	if header.BaseFee.Cmp(expectedBaseFee) != 0 {
 		return fmt.Errorf("invalid baseFee: have %s, want %s, parentBaseFee %s, parentGasUsed %d",
@@ -54,14 +58,18 @@ func VerifyEIP1559Header(config *params.ChainConfig, parent, header *types.Heade
 }
 
 // CalcBaseFee calculates the basefee of the header.
+// CalcBaseFee는 header의 basefee를 계산한다.
 func CalcBaseFee(config *params.ChainConfig, parent *types.Header) *big.Int {
 	// If the current block is the first EIP-1559 block, return the InitialBaseFee.
+	// 현재 블록이 EIP-1559의 첫번째 블록이면, InitialBaseFee를 반환한다.
+	// -----런던인지 검사하는데 첫번째 블록과 어떤 관련성 있는지?
 	if !config.IsLondon(parent.Number) {
 		return new(big.Int).SetUint64(params.InitialBaseFee)
 	}
 
 	parentGasTarget := parent.GasLimit / config.ElasticityMultiplier()
 	// If the parent gasUsed is the same as the target, the baseFee remains unchanged.
+	// 부모블록의 gasUsed가 target과 같으면, baseFee는 변경되지 않음.
 	if parent.GasUsed == parentGasTarget {
 		return new(big.Int).Set(parent.BaseFee)
 	}
@@ -74,6 +82,7 @@ func CalcBaseFee(config *params.ChainConfig, parent *types.Header) *big.Int {
 	if parent.GasUsed > parentGasTarget {
 		// If the parent block used more gas than its target, the baseFee should increase.
 		// max(1, parentBaseFee * gasUsedDelta / parentGasTarget / baseFeeChangeDenominator)
+		// 만약 부모 블록이 타겟보다 많은 gas를 사용했으면, baseFee는 증가한다.
 		num.SetUint64(parent.GasUsed - parentGasTarget)
 		num.Mul(num, parent.BaseFee)
 		num.Div(num, denom.SetUint64(parentGasTarget))
@@ -84,12 +93,13 @@ func CalcBaseFee(config *params.ChainConfig, parent *types.Header) *big.Int {
 	} else {
 		// Otherwise if the parent block used less gas than its target, the baseFee should decrease.
 		// max(0, parentBaseFee * gasUsedDelta / parentGasTarget / baseFeeChangeDenominator)
+		// 만약 부모 블록이 타겟보다 적은 gas를 사용했으면, baseFee는 감소한다.
 		num.SetUint64(parentGasTarget - parent.GasUsed)
 		num.Mul(num, parent.BaseFee)
 		num.Div(num, denom.SetUint64(parentGasTarget))
 		num.Div(num, denom.SetUint64(config.BaseFeeChangeDenominator()))
 		baseFee := num.Sub(parent.BaseFee, num)
-
+		// 코드가 위 로직이랑 일관되지 않은데 개선사항?
 		return math.BigMax(baseFee, common.Big0)
 	}
 }

consensus/misc/gaslimit.go

@@ -24,8 +24,10 @@ import (
 
 // VerifyGaslimit verifies the header gas limit according increase/decrease
 // in relation to the parent gas limit.
+// VerifyGaslimit은 header gas limit관 parentgas limit의 증가/감소관계를 확인한다.
 func VerifyGaslimit(parentGasLimit, headerGasLimit uint64) error {
 	// Verify that the gas limit remains within allowed bounds
+	// gas limit이 허용된 범위안에 있는지 확인한다
 	diff := int64(parentGasLimit) - int64(headerGasLimit)
 	if diff < 0 {
 		diff *= -1

params/config.go

@@ -319,12 +319,16 @@ var NetworkNames = map[string]string{
 }
 
 // ChainConfig is the core config which determines the blockchain settings.
+// ChainConfig는 블록체인 설정을 결정하는 핵심 config이다.
 //
 // ChainConfig is stored in the database on a per block basis. This means
 // that any network, identified by its genesis block, can have its own
 // set of configuration options.
+// ChainConfig는 블록 단위로 데이터베이스에 저장된다.
+// 이는 제네시스 블록에 의해 구별되는 모든 네트워크는 고유의 configuration option set를 가질 수 있음을 의미한다.
 type ChainConfig struct {
 	ChainID *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection
+	// chainId는 현재 체인을 식별하고 replay attack의 protection에 사용된다
 
 	HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead)
 
@@ -539,6 +543,7 @@ func (c *ChainConfig) IsBerlin(num *big.Int) bool {
 }
 
 // IsLondon returns whether num is either equal to the London fork block or greater.
+// IsLondon는 num이 London fork block보다 크거나 같은지 여부를 반환한다.
 func (c *ChainConfig) IsLondon(num *big.Int) bool {
 	return isBlockForked(c.LondonBlock, num)
 }
@@ -746,11 +751,13 @@ func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, headNumber *big.Int,
 }
 
 // BaseFeeChangeDenominator bounds the amount the base fee can change between blocks.
+// BaseFeeChangeDenominator는 블록간 base fee가 변할 수 있는 양을 제한한다.
 func (c *ChainConfig) BaseFeeChangeDenominator() uint64 {
 	return DefaultBaseFeeChangeDenominator
 }
 
 // ElasticityMultiplier bounds the maximum gas limit an EIP-1559 block may have.
+// ElasticityMultiplier는 EIP-1559 블록이 가지는 최대 gas limit을 제한한다
 func (c *ChainConfig) ElasticityMultiplier() uint64 {
 	return DefaultElasticityMultiplier
 }

params/protocol_params.go

@@ -124,9 +124,11 @@ const (
 	// Introduced in Tangerine Whistle (Eip 150)
 	CreateBySelfdestructGas uint64 = 25000
 
-	DefaultBaseFeeChangeDenominator = 8          // Bounds the amount the base fee can change between blocks.
-	DefaultElasticityMultiplier     = 2          // Bounds the maximum gas limit an EIP-1559 block may have.
-	InitialBaseFee                  = 1000000000 // Initial base fee for EIP-1559 blocks.
+	DefaultBaseFeeChangeDenominator = 8 // Bounds the amount the base fee can change between blocks.
+	// 블록 간 변화하는 base fee 양 제한
+	DefaultElasticityMultiplier = 2 // Bounds the maximum gas limit an EIP-1559 block may have.
+	// EIP-1559블록의 최대 gas limit 범위
+	InitialBaseFee = 1000000000 // Initial base fee for EIP-1559 blocks.
 
 	MaxCodeSize     = 24576           // Maximum bytecode to permit for a contract
 	MaxInitCodeSize = 2 * MaxCodeSize // Maximum initcode to permit in a creation transaction and create instructions