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core/vm: use package hexutil for JSON handling

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This commit is contained in:
Felix Lange 2016-11-28 00:25:48 +01:00
parent ec75953f50
commit 65e6319b12
2 changed files with 23 additions and 28 deletions
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40
core/vm/log.go
View File

@ -23,6 +23,7 @@ import (
"io"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/rlp"
)
@ -47,12 +48,12 @@ type Log struct {
type jsonLog struct {
Address *common.Address `json:"address"`
Topics *[]common.Hash `json:"topics"`
Data string `json:"data"`
BlockNumber string `json:"blockNumber"`
TxIndex string `json:"transactionIndex"`
Data *hexutil.Bytes `json:"data"`
BlockNumber *hexutil.Uint64 `json:"blockNumber"`
TxIndex *hexutil.Uint `json:"transactionIndex"`
TxHash *common.Hash `json:"transactionHash"`
BlockHash *common.Hash `json:"blockHash"`
Index string `json:"logIndex"`
Index *hexutil.Uint `json:"logIndex"`
}
func NewLog(address common.Address, topics []common.Hash, data []byte, number uint64) *Log {
@ -85,12 +86,12 @@ func (r *Log) MarshalJSON() ([]byte, error) {
return json.Marshal(&jsonLog{
Address: &r.Address,
Topics: &r.Topics,
Data: fmt.Sprintf("0x%x", r.Data),
BlockNumber: fmt.Sprintf("0x%x", r.BlockNumber),
TxIndex: fmt.Sprintf("0x%x", r.TxIndex),
Data: (*hexutil.Bytes)(&r.Data),
BlockNumber: (*hexutil.Uint64)(&r.BlockNumber),
TxIndex: (*hexutil.Uint)(&r.TxIndex),
TxHash: &r.TxHash,
BlockHash: &r.BlockHash,
Index: fmt.Sprintf("0x%x", r.Index),
Index: (*hexutil.Uint)(&r.Index),
})
}
@ -100,29 +101,20 @@ func (r *Log) UnmarshalJSON(input []byte) error {
if err := json.Unmarshal(input, &dec); err != nil {
return err
}
if dec.Address == nil || dec.Topics == nil || dec.Data == "" || dec.BlockNumber == "" ||
dec.TxIndex == "" || dec.TxHash == nil || dec.BlockHash == nil || dec.Index == "" {
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 {
return errMissingLogFields
}
declog := Log{
*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),
}
if _, err := fmt.Sscanf(dec.Data, "0x%x", &declog.Data); err != nil {
return fmt.Errorf("invalid hex log data")
}
if _, err := fmt.Sscanf(dec.BlockNumber, "0x%x", &declog.BlockNumber); err != nil {
return fmt.Errorf("invalid hex log block number")
}
if _, err := fmt.Sscanf(dec.TxIndex, "0x%x", &declog.TxIndex); err != nil {
return fmt.Errorf("invalid hex log tx index")
}
if _, err := fmt.Sscanf(dec.Index, "0x%x", &declog.Index); err != nil {
return fmt.Errorf("invalid hex log index")
}
*r = declog
return nil
}

3
core/vm/log_test.go
View File

@ -28,6 +28,9 @@ var unmarshalLogTests = map[string]struct {
"ok": {
input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","data":"0x000000000000000000000000000000000000000000000001a055690d9db80000","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615","0x000000000000000000000000f9dff387dcb5cc4cca5b91adb07a95f54e9f1bb6"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
},
"empty data": {
input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","data":"0x","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615","0x000000000000000000000000f9dff387dcb5cc4cca5b91adb07a95f54e9f1bb6"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
},
"missing data": {
input: `{"address":"0xecf8f87f810ecf450940c9f60066b4a7a501d6a7","blockHash":"0x656c34545f90a730a19008c0e7a7cd4fb3895064b48d6d69761bd5abad681056","blockNumber":"0x1ecfa4","logIndex":"0x2","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef","0x00000000000000000000000080b2c9d7cbbf30a1b0fc8983c647d754c6525615","0x000000000000000000000000f9dff387dcb5cc4cca5b91adb07a95f54e9f1bb6"],"transactionHash":"0x3b198bfd5d2907285af009e9ae84a0ecd63677110d89d7e030251acb87f6487e","transactionIndex":"0x3"}`,
wantError: errMissingLogFields,