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Vitaliy Vlasov
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May 17, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| //go:build nimbus_light_client | ||
| // +build nimbus_light_client | ||
|
|
||
| package rpc | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/ethereum/go-ethereum/common/hexutil" | ||
| "github.com/ethereum/go-ethereum/log" | ||
| gethrpc "github.com/ethereum/go-ethereum/rpc" | ||
| proxy "github.com/siphiuel/lc-proxy-wrapper" | ||
| "github.com/status-im/status-go/params" | ||
| ) | ||
|
|
||
| type VerifProxy struct { | ||
| config *proxy.Config | ||
| client *gethrpc.Client | ||
| log log.Logger | ||
| } | ||
|
|
||
| func init() { | ||
| verifProxyInitFn = func(c *Client) { | ||
| ctx := context.Background() | ||
| var testConfig = proxy.Config{ | ||
| Eth2Network: "mainnet", | ||
| TrustedBlockRoot: "0xc5182cdb750fe088138b0d475683cda26a96befc24de16fb17bcf49d9cadf2f7", | ||
| Web3Url: c.upstreamURL, | ||
| RpcAddress: "127.0.0.1", | ||
| RpcPort: 8545, | ||
| LogLevel: "INFO", | ||
| } | ||
| proxy.StartLightClient(ctx, &testConfig) | ||
| verifProxy, err := newVerifProxy(&testConfig, c.log) | ||
| if err != nil { | ||
| c.RegisterHandler( | ||
| params.BalanceMethodName, | ||
| func(ctx context.Context, v uint64, params ...interface{}) (interface{}, error) { | ||
| addr := params[0].(common.Address) | ||
| return verifProxy.GetBalance(ctx, addr) | ||
| }, | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func newVerifProxy(cfg *proxy.Config, log log.Logger) (*VerifProxy, error) { | ||
| endpoint := "http://" + cfg.RpcAddress + ":" + fmt.Sprint(cfg.RpcPort) | ||
| client, err := gethrpc.DialHTTP(endpoint) | ||
| if err != nil { | ||
| log.Error("Error when creating VerifProxy client", err) | ||
| return nil, err | ||
| } | ||
| proxy := &VerifProxy{cfg, client, log} | ||
| return proxy, nil | ||
| } | ||
|
|
||
| func (p *VerifProxy) GetBalance(ctx context.Context, address common.Address) (interface{}, error) { | ||
| var result hexutil.Big | ||
| err := p.client.CallContext(ctx, &result, "eth_getBalance", address, "latest") | ||
| if err != nil { | ||
| p.log.Error("Error when invoking GetBalance", err) | ||
| return nil, err | ||
| } | ||
| return result, nil | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| //go:build nimbus_light_client | ||
| // +build nimbus_light_client | ||
|
|
||
| package rpc | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "net/http" | ||
| "net/http/httptest" | ||
|
|
||
| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/ethereum/go-ethereum/common/hexutil" | ||
| gethrpc "github.com/ethereum/go-ethereum/rpc" | ||
| "github.com/status-im/status-go/params" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| "github.com/stretchr/testify/suite" | ||
| ) | ||
|
|
||
| type ProxySuite struct { | ||
| suite.Suite | ||
| } | ||
|
|
||
| func TestProxySuite(t *testing.T) { | ||
| suite.Run(t, new(ProxySuite)) | ||
| } | ||
|
|
||
| func (s *ProxySuite) startRpcClient(infuraURL string) *Client { | ||
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| fmt.Fprintln(w, `{ | ||
| "id": 1, | ||
| "jsonrpc": "2.0", | ||
| "result": "0x234234e22b9ffc2387e18636e0534534a3d0c56b0243567432453264c16e78a2adc" | ||
| }`) | ||
| })) | ||
| defer ts.Close() | ||
|
|
||
| gethRPCClient, err := gethrpc.Dial(ts.URL) | ||
| require.NoError(s.T(), err) | ||
|
|
||
| db, close := setupTestNetworkDB(s.T()) | ||
| defer close() | ||
| c, err := NewClient(gethRPCClient, 1, params.UpstreamRPCConfig{Enabled: true, URL: infuraURL}, []params.Network{}, db) | ||
| require.NoError(s.T(), err) | ||
|
|
||
| return c | ||
| } | ||
|
|
||
| func (s *ProxySuite) TestRun() { | ||
| infuraURL := "https://mainnet.infura.io/v3/800c641949d64d768a5070a1b0511938" | ||
| client := s.startRpcClient(infuraURL) | ||
|
|
||
| // Run light client proxy | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
|
|
||
| signals := make(chan os.Signal, 1) | ||
| signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM) | ||
| fmt.Println("Before range signals") | ||
|
|
||
| // Invoke eth_getBalance | ||
| var result hexutil.Big | ||
| var addr common.Address | ||
| addr = common.HexToAddress("0x95222290DD7278Aa3Ddd389Cc1E1d165CC4BAfe5") | ||
| chainID := uint64(1) | ||
|
|
||
| time.Sleep(200 * time.Second) | ||
| err := client.CallContext(ctx, &result, chainID, "eth_getBalance", addr, "latest") | ||
| require.NoError(s.T(), err) | ||
|
|
||
| client.UnregisterHandler("eth_getBalance") | ||
| var resultRaw hexutil.Big | ||
| err = client.CallContext(ctx, &resultRaw, chainID, "eth_getBalance", addr, "latest") | ||
| s.Require().Equal(result, resultRaw) | ||
| for range signals { | ||
| fmt.Println("Signal caught, exiting") | ||
| cancel() | ||
| } | ||
| fmt.Println("Exiting") | ||
|
|
||
| } |
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