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-rw-r--r--core/blockchain.go29
-rw-r--r--core/events.go1
-rw-r--r--core/vm/log.go142
-rw-r--r--core/vm/log_test.go73
4 files changed, 189 insertions, 56 deletions
diff --git a/core/blockchain.go b/core/blockchain.go
index 2eb207d39..1f762d147 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -988,7 +988,7 @@ func (self *BlockChain) InsertChain(chain types.Blocks) (int, error) {
glog.Infof("inserted forked block #%d [%x…] (TD=%v) in %9v: %3d txs %d uncles.", block.Number(), block.Hash().Bytes()[0:4], block.Difficulty(), common.PrettyDuration(time.Since(bstart)), len(block.Transactions()), len(block.Uncles()))
}
blockInsertTimer.UpdateSince(bstart)
- events = append(events, ChainSideEvent{block, logs})
+ events = append(events, ChainSideEvent{block})
case SplitStatTy:
events = append(events, ChainSplitEvent{block, logs})
@@ -1062,24 +1062,25 @@ func countTransactions(chain []*types.Block) (c int) {
// event about them
func (self *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
var (
- newChain types.Blocks
- oldChain types.Blocks
- commonBlock *types.Block
- oldStart = oldBlock
- newStart = newBlock
- deletedTxs types.Transactions
- deletedLogs vm.Logs
- deletedLogsByHash = make(map[common.Hash]vm.Logs)
+ newChain types.Blocks
+ oldChain types.Blocks
+ commonBlock *types.Block
+ oldStart = oldBlock
+ newStart = newBlock
+ deletedTxs types.Transactions
+ deletedLogs vm.Logs
// collectLogs collects the logs that were generated during the
// processing of the block that corresponds with the given hash.
// These logs are later announced as deleted.
collectLogs = func(h common.Hash) {
- // Coalesce logs
+ // Coalesce logs and set 'Removed'.
receipts := GetBlockReceipts(self.chainDb, h, self.hc.GetBlockNumber(h))
for _, receipt := range receipts {
- deletedLogs = append(deletedLogs, receipt.Logs...)
-
- deletedLogsByHash[h] = receipt.Logs
+ for _, log := range receipt.Logs {
+ del := *log
+ del.Removed = true
+ deletedLogs = append(deletedLogs, &del)
+ }
}
}
)
@@ -1173,7 +1174,7 @@ func (self *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
if len(oldChain) > 0 {
go func() {
for _, block := range oldChain {
- self.eventMux.Post(ChainSideEvent{Block: block, Logs: deletedLogsByHash[block.Hash()]})
+ self.eventMux.Post(ChainSideEvent{Block: block})
}
}()
}
diff --git a/core/events.go b/core/events.go
index 322bcb769..414493fbf 100644
--- a/core/events.go
+++ b/core/events.go
@@ -61,7 +61,6 @@ type ChainEvent struct {
type ChainSideEvent struct {
Block *types.Block
- Logs vm.Logs
}
type PendingBlockEvent struct {
diff --git a/core/vm/log.go b/core/vm/log.go
index 06f941703..347bd6e5d 100644
--- a/core/vm/log.go
+++ b/core/vm/log.go
@@ -29,20 +29,42 @@ import (
var errMissingLogFields = errors.New("missing required JSON log fields")
-// Log represents a contract log event. These events are generated by the LOG
-// opcode and stored/indexed by the node.
+// Log represents a contract log event. These events are generated by the LOG opcode and
+// stored/indexed by the node.
type Log struct {
// Consensus fields.
Address common.Address // address of the contract that generated the event
Topics []common.Hash // list of topics provided by the contract.
Data []byte // supplied by the contract, usually ABI-encoded
- // Derived fields (don't reorder!).
+ // Derived fields. These fields are filled in by the node
+ // but not secured by consensus.
BlockNumber uint64 // block in which the transaction was included
TxHash common.Hash // hash of the transaction
TxIndex uint // index of the transaction in the block
BlockHash common.Hash // hash of the block in which the transaction was included
Index uint // index of the log in the receipt
+
+ // 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
+}
+
+type rlpLog struct {
+ Address common.Address
+ Topics []common.Hash
+ Data []byte
+}
+
+type rlpStorageLog struct {
+ Address common.Address
+ Topics []common.Hash
+ Data []byte
+ BlockNumber uint64
+ TxHash common.Hash
+ TxIndex uint
+ BlockHash common.Hash
+ Index uint
}
type jsonLog struct {
@@ -54,27 +76,26 @@ type jsonLog struct {
TxHash *common.Hash `json:"transactionHash"`
BlockHash *common.Hash `json:"blockHash"`
Index *hexutil.Uint `json:"logIndex"`
+ Removed bool `json:"removed"`
}
func NewLog(address common.Address, topics []common.Hash, data []byte, number uint64) *Log {
return &Log{Address: address, Topics: topics, Data: data, BlockNumber: number}
}
+// EncodeRLP implements rlp.Encoder.
func (l *Log) EncodeRLP(w io.Writer) error {
- return rlp.Encode(w, []interface{}{l.Address, l.Topics, l.Data})
+ 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 log struct {
- Address common.Address
- Topics []common.Hash
- Data []byte
+ var dec rlpLog
+ err := s.Decode(&dec)
+ if err == nil {
+ l.Address, l.Topics, l.Data = dec.Address, dec.Topics, dec.Data
}
- if err := s.Decode(&log); err != nil {
- return err
- }
- l.Address, l.Topics, l.Data = log.Address, log.Topics, log.Data
- return nil
+ return err
}
func (l *Log) String() string {
@@ -82,45 +103,88 @@ func (l *Log) String() string {
}
// MarshalJSON implements json.Marshaler.
-func (r *Log) MarshalJSON() ([]byte, error) {
- return json.Marshal(&jsonLog{
- Address: &r.Address,
- Topics: &r.Topics,
- Data: (*hexutil.Bytes)(&r.Data),
- BlockNumber: (*hexutil.Uint64)(&r.BlockNumber),
- TxIndex: (*hexutil.Uint)(&r.TxIndex),
- TxHash: &r.TxHash,
- BlockHash: &r.BlockHash,
- Index: (*hexutil.Uint)(&r.Index),
- })
+func (l *Log) MarshalJSON() ([]byte, error) {
+ jslog := &jsonLog{
+ Address: &l.Address,
+ Topics: &l.Topics,
+ Data: (*hexutil.Bytes)(&l.Data),
+ TxIndex: (*hexutil.Uint)(&l.TxIndex),
+ TxHash: &l.TxHash,
+ Index: (*hexutil.Uint)(&l.Index),
+ Removed: l.Removed,
+ }
+ // Set block information for mined logs.
+ if (l.BlockHash != common.Hash{}) {
+ jslog.BlockHash = &l.BlockHash
+ jslog.BlockNumber = (*hexutil.Uint64)(&l.BlockNumber)
+ }
+ return json.Marshal(jslog)
}
// UnmarshalJSON implements json.Umarshaler.
-func (r *Log) UnmarshalJSON(input []byte) error {
+func (l *Log) UnmarshalJSON(input []byte) error {
var dec jsonLog
if err := json.Unmarshal(input, &dec); err != nil {
return err
}
- if dec.Address == nil || dec.Topics == nil || dec.Data == nil || dec.BlockNumber == nil ||
- dec.TxIndex == nil || dec.TxHash == nil || dec.BlockHash == nil || dec.Index == nil {
+ if dec.Address == nil || dec.Topics == nil || dec.Data == nil ||
+ dec.TxIndex == nil || dec.TxHash == nil || dec.Index == nil {
return errMissingLogFields
}
- *r = Log{
- Address: *dec.Address,
- Topics: *dec.Topics,
- Data: *dec.Data,
- BlockNumber: uint64(*dec.BlockNumber),
- TxHash: *dec.TxHash,
- TxIndex: uint(*dec.TxIndex),
- BlockHash: *dec.BlockHash,
- Index: uint(*dec.Index),
+ declog := Log{
+ Address: *dec.Address,
+ Topics: *dec.Topics,
+ Data: *dec.Data,
+ TxHash: *dec.TxHash,
+ TxIndex: uint(*dec.TxIndex),
+ Index: uint(*dec.Index),
+ Removed: dec.Removed,
+ }
+ // Block information may be missing if the log is received through
+ // the pending log filter, so it's handled specially here.
+ if dec.BlockHash != nil && dec.BlockNumber != nil {
+ declog.BlockHash = *dec.BlockHash
+ declog.BlockNumber = uint64(*dec.BlockNumber)
}
+ *l = declog
return nil
}
type Logs []*Log
-// LogForStorage is a wrapper around a Log that flattens and parses the entire
-// content of a log, as opposed to only the consensus fields originally (by hiding
-// the rlp interface methods).
+// 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,
+ BlockNumber: l.BlockNumber,
+ TxHash: l.TxHash,
+ TxIndex: l.TxIndex,
+ BlockHash: l.BlockHash,
+ Index: l.Index,
+ })
+}
+
+// DecodeRLP implements rlp.Decoder.
+func (l *LogForStorage) DecodeRLP(s *rlp.Stream) error {
+ var dec rlpStorageLog
+ err := s.Decode(&dec)
+ if err == nil {
+ *l = LogForStorage{
+ Address: dec.Address,
+ Topics: dec.Topics,
+ Data: dec.Data,
+ BlockNumber: dec.BlockNumber,
+ TxHash: dec.TxHash,
+ TxIndex: dec.TxIndex,
+ BlockHash: dec.BlockHash,
+ Index: dec.Index,
+ }
+ }
+ return err
+}
diff --git a/core/vm/log_test.go b/core/vm/log_test.go
index 4d3189558..994753c62 100644
--- a/core/vm/log_test.go
+++ b/core/vm/log_test.go
@@ -18,18 +18,81 @@ package vm
import (
"encoding/json"
+ "reflect"
"testing"
+
+ "github.com/davecgh/go-spew/spew"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
var unmarshalLogTests = map[string]struct {
input string
+ want *Log
wantError error
}{
"ok": {
- input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","data":"0x000000000000000000000000000000000000000000000001a055690d9db80000","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615","0x000000000000000000000000f9dff387dcb5cc4cca5b91adb07a95f54e9f1bb6"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
+ input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","data":"0x000000000000000000000000000000000000000000000001a055690d9db80000","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
+ want: &Log{
+ Address: common.HexToAddress("0xecf8f87f810ecf450940c9f60066b4a7a501d6a7"),
+ BlockHash: common.HexToHash("0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056"),
+ BlockNumber: 2019236,
+ Data: hexutil.MustDecode("0x000000000000000000000000000000000000000000000001a055690d9db80000"),
+ Index: 2,
+ TxIndex: 3,
+ TxHash: common.HexToHash("0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e"),
+ Topics: []common.Hash{
+ common.HexToHash("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"),
+ common.HexToHash("0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615"),
+ },
+ },
},
"empty data": {
- input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","data":"0x","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615","0x000000000000000000000000f9dff387dcb5cc4cca5b91adb07a95f54e9f1bb6"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
+ input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","data":"0x","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
+ want: &Log{
+ Address: common.HexToAddress("0xecf8f87f810ecf450940c9f60066b4a7a501d6a7"),
+ BlockHash: common.HexToHash("0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056"),
+ BlockNumber: 2019236,
+ Data: []byte{},
+ Index: 2,
+ TxIndex: 3,
+ TxHash: common.HexToHash("0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e"),
+ Topics: []common.Hash{
+ common.HexToHash("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"),
+ common.HexToHash("0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615"),
+ },
+ },
+ },
+ "missing block fields (pending logs)": {
+ input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","data":"0x","logIndex":"0x0","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
+ want: &Log{
+ Address: common.HexToAddress("0xecf8f87f810ecf450940c9f60066b4a7a501d6a7"),
+ BlockHash: common.Hash{},
+ BlockNumber: 0,
+ Data: []byte{},
+ Index: 0,
+ TxIndex: 3,
+ TxHash: common.HexToHash("0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e"),
+ Topics: []common.Hash{
+ common.HexToHash("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"),
+ },
+ },
+ },
+ "Removed: true": {
+ input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","data":"0x","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3","removed":true}`,
+ want: &Log{
+ Address: common.HexToAddress("0xecf8f87f810ecf450940c9f60066b4a7a501d6a7"),
+ BlockHash: common.HexToHash("0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056"),
+ BlockNumber: 2019236,
+ Data: []byte{},
+ Index: 2,
+ TxIndex: 3,
+ TxHash: common.HexToHash("0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e"),
+ Topics: []common.Hash{
+ common.HexToHash("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"),
+ },
+ Removed: true,
+ },
},
"missing data": {
input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615","0x000000000000000000000000f9dff387dcb5cc4cca5b91adb07a95f54e9f1bb6"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
@@ -38,10 +101,16 @@ var unmarshalLogTests = map[string]struct {
}
func TestUnmarshalLog(t *testing.T) {
+ dumper := spew.ConfigState{DisableMethods: true, Indent: " "}
for name, test := range unmarshalLogTests {
var log *Log
err := json.Unmarshal([]byte(test.input), &log)
checkError(t, name, err, test.wantError)
+ if test.wantError == nil && err == nil {
+ if !reflect.DeepEqual(log, test.want) {
+ t.Errorf("test %q:\nGOT %sWANT %s", name, dumper.Sdump(log), dumper.Sdump(test.want))
+ }
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-23 00:14:08 +0800