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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| package ethdumper | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "io" | ||
| "os" | ||
| "sync" | ||
|
|
||
| "github.com/ethereum-optimism/optimism/l2geth/common" | ||
| "github.com/ethereum-optimism/optimism/l2geth/log" | ||
| ) | ||
|
|
||
| type EthAddress struct { | ||
| Addresses []common.Address `json:"addresses"` | ||
| } | ||
|
|
||
| type EthDumper interface { | ||
| Write(address common.Address) | ||
| } | ||
|
|
||
| var DefaultEthDumper EthDumper | ||
|
|
||
| func NewEthDumper() EthDumper { | ||
| path := os.Getenv("L2GETH_ETH_DUMP_PATH") | ||
| if path == "" { | ||
| return &noopEthDumper{} | ||
| } | ||
|
|
||
| f, err := os.Open(path) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| byteFile, err := io.ReadAll(f) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| if len(byteFile) == 0 { | ||
| return &FileStateDumper{ | ||
| ethAddress: EthAddress{}, | ||
| ethCache: make(map[common.Address]bool), | ||
| } | ||
| } | ||
| ethAddres := EthAddress{} | ||
| err = json.Unmarshal(byteFile, ðAddres) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| ethCache := make(map[common.Address]bool) | ||
| for _, address := range ethAddres.Addresses { | ||
| ethCache[address] = true | ||
| } | ||
| return &FileStateDumper{ | ||
| ethAddress: ethAddres, | ||
| ethCache: ethCache, | ||
| } | ||
| } | ||
|
|
||
| type FileStateDumper struct { | ||
| ethAddress EthAddress | ||
| ethCache map[common.Address]bool | ||
| mtx sync.Mutex | ||
| } | ||
|
|
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| func (s *FileStateDumper) Write(address common.Address) { | ||
| s.mtx.Lock() | ||
| defer s.mtx.Unlock() | ||
| if s.ethCache[address] { | ||
| return | ||
| } | ||
| s.ethCache[address] = true | ||
|
|
||
| s.ethAddress.Addresses = append(s.ethAddress.Addresses, address) | ||
|
|
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| log.Info("Found eth address", "address", address, "total", len(s.ethAddress.Addresses)) | ||
|
|
||
| content, err := json.Marshal(s.ethAddress) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| err = os.WriteFile(os.Getenv("L2GETH_ETH_DUMP_PATH"), content, 0644) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } | ||
|
|
||
| type noopEthDumper struct { | ||
| } | ||
|
|
||
| func (n *noopEthDumper) Write(address common.Address) { | ||
| } | ||
|
|
||
| func init() { | ||
| DefaultEthDumper = NewEthDumper() | ||
| } | ||
|
|
||
| func Write(address common.Address) { | ||
| DefaultEthDumper.Write(address) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package ethdumper | ||
|
|
||
| import ( | ||
| "io" | ||
| "os" | ||
| "testing" | ||
|
|
||
| "github.com/ethereum-optimism/optimism/l2geth/common" | ||
| ) | ||
|
|
||
| func TestFileEthDumper(t *testing.T) { | ||
| f, err := os.CreateTemp("", "") | ||
| if err != nil { | ||
| t.Fatalf("error creating file: %v", err) | ||
| } | ||
| err = os.Setenv("L2GETH_ETH_DUMP_PATH", f.Name()) | ||
| if err != nil { | ||
| t.Fatalf("error setting env file: %v", err) | ||
| } | ||
| dumper := NewEthDumper() | ||
| addr := common.Address{19: 0x01} | ||
| dumper.Write(addr) | ||
| data, err := io.ReadAll(f) | ||
| if err != nil { | ||
| t.Fatalf("error reading: %v", err) | ||
| } | ||
| dataStr := string(data) | ||
| if dataStr != `{"addresses":["0x0000000000000000000000000000000000000001"]}` { | ||
| t.Fatalf("invalid data. got: %s", dataStr) | ||
| } | ||
| } |