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core/types: remove LogForStorage type #23173

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merged 3 commits into from
Jul 7, 2021
Merged

core/types: remove LogForStorage type #23173

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1f7b948
core/types: rm LogForStorage type
s1na Jul 7, 2021
1c46066
core/types: rm unnecessary type conversion
s1na Jul 7, 2021
302504c
core/types: remove rlpLog
fjl Jul 7, 2021
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64 changes: 6 additions & 58 deletions core/types/log.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,11 +17,8 @@
package types

import (
"io"

"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/rlp"
)

//go:generate gencodec -type Log -field-override logMarshaling -out gen_log_json.go
Expand All @@ -40,19 +37,19 @@ type Log struct {
// Derived fields. These fields are filled in by the node
// but not secured by consensus.
// block in which the transaction was included
BlockNumber uint64 `json:"blockNumber"`
BlockNumber uint64 `json:"blockNumber" rlp:"-"`
// hash of the transaction
TxHash common.Hash `json:"transactionHash" gencodec:"required"`
TxHash common.Hash `json:"transactionHash" gencodec:"required" rlp:"-"`
// index of the transaction in the block
TxIndex uint `json:"transactionIndex"`
TxIndex uint `json:"transactionIndex" rlp:"-"`
// hash of the block in which the transaction was included
BlockHash common.Hash `json:"blockHash"`
BlockHash common.Hash `json:"blockHash" rlp:"-"`
// index of the log in the block
Index uint `json:"logIndex"`
Index uint `json:"logIndex" rlp:"-"`

// The Removed field is true if this log was reverted due to a chain reorganisation.
// You must pay attention to this field if you receive logs through a filter query.
Removed bool `json:"removed"`
Removed bool `json:"removed" rlp:"-"`
}

type logMarshaling struct {
Expand All @@ -61,52 +58,3 @@ type logMarshaling struct {
TxIndex hexutil.Uint
Index hexutil.Uint
}

type rlpLog struct {
Address common.Address
Topics []common.Hash
Data []byte
}

// rlpStorageLog is the storage encoding of a log.
type rlpStorageLog rlpLog

// EncodeRLP implements rlp.Encoder.
func (l *Log) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, rlpLog{Address: l.Address, Topics: l.Topics, Data: l.Data})
}

// DecodeRLP implements rlp.Decoder.
func (l *Log) DecodeRLP(s *rlp.Stream) error {
var dec rlpLog
err := s.Decode(&dec)
if err == nil {
l.Address, l.Topics, l.Data = dec.Address, dec.Topics, dec.Data
}
return err
}

// LogForStorage is a wrapper around a Log that flattens and parses the entire content of
// a log including non-consensus fields.
type LogForStorage Log

// EncodeRLP implements rlp.Encoder.
func (l *LogForStorage) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, rlpStorageLog{
Address: l.Address,
Topics: l.Topics,
Data: l.Data,
})
}

// DecodeRLP implements rlp.Decoder.
//
// Note some redundant fields(e.g. block number, tx hash etc) will be assembled later.
func (l *LogForStorage) DecodeRLP(s *rlp.Stream) error {
var dec rlpStorageLog
if err := s.Decode(&dec); err != nil {
return err
}
*l = LogForStorage{Address: dec.Address, Topics: dec.Topics, Data: dec.Data}
return nil
}
12 changes: 3 additions & 9 deletions core/types/receipt.go
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ type receiptRLP struct {
type storedReceiptRLP struct {
PostStateOrStatus []byte
CumulativeGasUsed uint64
Logs []*LogForStorage
Logs []*Log
}

// NewReceipt creates a barebone transaction receipt, copying the init fields.
Expand Down Expand Up @@ -217,10 +217,7 @@ func (r *ReceiptForStorage) EncodeRLP(w io.Writer) error {
enc := &storedReceiptRLP{
PostStateOrStatus: (*Receipt)(r).statusEncoding(),
CumulativeGasUsed: r.CumulativeGasUsed,
Logs: make([]*LogForStorage, len(r.Logs)),
}
for i, log := range r.Logs {
enc.Logs[i] = (*LogForStorage)(log)
Logs: r.Logs,
}
return rlp.Encode(w, enc)
}
Expand All @@ -235,10 +232,7 @@ func (r *ReceiptForStorage) DecodeRLP(s *rlp.Stream) error {
return err
}
r.CumulativeGasUsed = stored.CumulativeGasUsed
r.Logs = make([]*Log, len(stored.Logs))
for i, log := range stored.Logs {
r.Logs[i] = (*Log)(log)
}
r.Logs = stored.Logs
r.Bloom = CreateBloom(Receipts{(*Receipt)(r)})
return nil
}
Expand Down