all: replace data gas to blob gas in comments (#27825)

* eth: excessDataGas -> excessBlobGas

* consensus: data gas -> blob gas

* core: data gas -> blob gas

* params: data gas -> blob gas

core/block_validator.go

@@ -91,7 +91,7 @@ func (v *BlockValidator) ValidateBody(block *types.Block) error {
 	}
 	if header.BlobGasUsed != nil {
 		if want := *header.BlobGasUsed / params.BlobTxBlobGasPerBlob; uint64(blobs) != want { // div because the header is surely good vs the body might be bloated
-			return fmt.Errorf("data gas used mismatch (header %v, calculated %v)", *header.BlobGasUsed, blobs*params.BlobTxBlobGasPerBlob)
+			return fmt.Errorf("blob gas used mismatch (header %v, calculated %v)", *header.BlobGasUsed, blobs*params.BlobTxBlobGasPerBlob)
 		}
 	} else {
 		if blobs > 0 {

core/error.go

@@ -102,6 +102,6 @@ var (
 	ErrSenderNoEOA = errors.New("sender not an eoa")
 
 	// ErrBlobFeeCapTooLow is returned if the transaction fee cap is less than the
-	// data gas fee of the block.
-	ErrBlobFeeCapTooLow = errors.New("max fee per data gas less than block data gas fee")
+	// blob gas fee of the block.
+	ErrBlobFeeCapTooLow = errors.New("max fee per blob gas less than block blob gas fee")
 )

core/rawdb/accessors_chain.go

@@ -645,7 +645,7 @@ func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64, time uint64,
 	} else {
 		baseFee = header.BaseFee
 	}
-	// Compute effective data gas price.
+	// Compute effective blob gas price.
 	var blobGasPrice *big.Int
 	if header != nil && header.ExcessBlobGas != nil {
 		blobGasPrice = eip4844.CalcBlobFee(*header.ExcessBlobGas)

core/state_transition.go

@@ -467,7 +467,7 @@ func (st *StateTransition) gasUsed() uint64 {
 	return st.initialGas - st.gasRemaining
 }
 
-// blobGasUsed returns the amount of data gas used by the message.
+// blobGasUsed returns the amount of blob gas used by the message.
 func (st *StateTransition) blobGasUsed() uint64 {
 	return uint64(len(st.msg.BlobHashes) * params.BlobTxBlobGasPerBlob)
 }

core/txpool/blobpool/blobpool.go

@@ -184,7 +184,7 @@ func newBlobTxMeta(id uint64, size uint32, tx *types.Transaction) *blobTxMeta {
 //   - Local txs are meaningless. Mining pools historically used local transactions
 //     for payouts or for backdoor deals. With 1559 in place, the basefee usually
 //     dominates the final price, so 0 or non-0 tip doesn't change much. Blob txs
-//     retain the 1559 2D gas pricing (and introduce on top a dynamic data gas fee),
+//     retain the 1559 2D gas pricing (and introduce on top a dynamic blob gas fee),
 //     so locality is moot. With a disk backed blob pool avoiding the resend issue,
 //     there's also no need to save own transactions for later.
 //

core/txpool/blobpool/blobpool_test.go

@@ -122,7 +122,7 @@ func (bc *testBlockChain) CurrentBlock() *types.Header {
 	}
 	baseFee := lo
 
-	// The excess data gas at 2^27 translates into a blob fee higher than mainnet
+	// The excess blob gas at 2^27 translates into a blob fee higher than mainnet
 	// ether existence, use that as a cap for the tests.
 	lo = new(big.Int)
 	hi = new(big.Int).Exp(big.NewInt(2), big.NewInt(27), nil)

core/types/transaction.go

@@ -288,10 +288,10 @@ func (tx *Transaction) GasTipCap() *big.Int { return new(big.Int).Set(tx.inner.g
 // GasFeeCap returns the fee cap per gas of the transaction.
 func (tx *Transaction) GasFeeCap() *big.Int { return new(big.Int).Set(tx.inner.gasFeeCap()) }
 
-// BlobGas returns the data gas limit of the transaction for blob transactions, 0 otherwise.
+// BlobGas returns the blob gas limit of the transaction for blob transactions, 0 otherwise.
 func (tx *Transaction) BlobGas() uint64 { return tx.inner.blobGas() }
 
-// BlobGasFeeCap returns the data gas fee cap per data gas of the transaction for blob transactions, nil otherwise.
+// BlobGasFeeCap returns the blob gas fee cap per blob gas of the transaction for blob transactions, nil otherwise.
 func (tx *Transaction) BlobGasFeeCap() *big.Int { return tx.inner.blobGasFeeCap() }
 
 // BlobHashes returns the hases of the blob commitments for blob transactions, nil otherwise.