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feat: simple binary to serve exec-api middleware
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "errors" | ||
| "github.com/ethereum/go-ethereum/common" | ||
| "google.golang.org/grpc" | ||
| "log" | ||
| "net" | ||
| "sync" | ||
| "time" | ||
|
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| "github.com/ethereum/go-ethereum/core" | ||
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| grpcproxy "github.com/rollkit/go-execution/proxy/grpc" | ||
| pb "github.com/rollkit/go-execution/types/pb/execution" | ||
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| evm "github.com/rollkit/go-execution-evm" | ||
| ) | ||
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| const bufSize = 1024 * 1024 | ||
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| func main() { | ||
| config := &grpcproxy.Config{ | ||
| DefaultTimeout: 5 * time.Second, | ||
| MaxRequestSize: bufSize, | ||
| } | ||
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| listener, err := net.Listen("tcp4", "0.0.0.0:40041") | ||
| if err != nil { | ||
| log.Fatalf("error while creating listener: %v\n", err) | ||
| } | ||
| defer func() { | ||
| _ = listener.Close() | ||
| }() | ||
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| // TODO(tzdybal): initialize from genesis file | ||
| var genesisHash common.Hash | ||
| var feeRecipient common.Address | ||
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| genesis := core.DefaultGenesisBlock() | ||
| genesisHash = genesis.ToBlock().Hash() | ||
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| evmClient, err := evm.NewEngineAPIExecutionClient("http://:8545", "http://8551", "7fc46b41499ebc2ce07cb22e8771436de42040990d9982162620ec2eafbd2d78", genesisHash, feeRecipient) | ||
| if err != nil { | ||
| log.Fatalf("failed to create Engine API client middleware: %v", err) | ||
| } | ||
| _ = evmClient.Start() | ||
| defer evmClient.Stop() | ||
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| log.Println("Starting server...") | ||
| server := grpcproxy.NewServer(evmClient, config) | ||
| s := grpc.NewServer() | ||
| pb.RegisterExecutionServiceServer(s, server) | ||
|
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| wg := sync.WaitGroup{} | ||
| wg.Add(1) | ||
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| go func() { | ||
| log.Println("Serving...") | ||
| if err := s.Serve(listener); err != nil && !errors.Is(err, grpc.ErrServerStopped) { | ||
| log.Fatalf("Server exited with error: %v\n", err) | ||
| } | ||
| wg.Done() | ||
| }() | ||
| defer s.Stop() | ||
|
|
||
| wg.Wait() | ||
| log.Println("Server stopped") | ||
| } |
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