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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| package indexer | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "io" | ||
| "sync" | ||
|
|
||
| blocksapi "github.com/aurora-is-near/borealis-prototypes-go/generated/blocksapi" | ||
| "github.com/aurora-is-near/relayer2-base/broker" | ||
| "github.com/aurora-is-near/relayer2-base/db" | ||
| "github.com/aurora-is-near/relayer2-base/log" | ||
| "github.com/aurora-is-near/relayer2-base/types" | ||
| "github.com/aurora-is-near/relayer2-base/types/common" | ||
| "github.com/aurora-is-near/relayer2-base/types/indexer" | ||
| "github.com/aurora-is-near/relayer2-base/utils" | ||
| jsoniter "github.com/json-iterator/go" | ||
|
|
||
| vtgrpc "github.com/planetscale/vtprotobuf/codec/grpc" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials/insecure" | ||
| "google.golang.org/grpc/encoding" | ||
| _ "google.golang.org/grpc/encoding/proto" | ||
| "google.golang.org/grpc/metadata" | ||
| ) | ||
|
|
||
| type IndexerBlocksAPI struct { | ||
| token string | ||
| stream string | ||
|
|
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| dbh db.Handler | ||
| l *log.Logger | ||
| b broker.Broker | ||
| grpc *grpc.ClientConn | ||
| height uint64 | ||
| mu sync.Mutex | ||
| } | ||
|
|
||
| func init() { | ||
| // Register protobuf plugin for generate optimized marshall & unmarshal code | ||
| encoding.RegisterCodec(vtgrpc.Codec{}) | ||
| } | ||
|
|
||
| func NewIndexerBlocksApi(config *Config, dbh db.Handler, b broker.Broker) (*IndexerBlocksAPI, error) { | ||
| logger := log.Log() | ||
|
|
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| client, err := grpc.NewClient( | ||
| // TODO: use client-side load balancer | ||
| config.BlocksApiUrl[0], | ||
| grpc.WithTransportCredentials(insecure.NewCredentials()), | ||
| grpc.WithInitialConnWindowSize(64*1024*1024), // 64 MB | ||
| grpc.WithInitialWindowSize(64*1024*1024), // 64 MB | ||
| grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(1*1024*1024*1024)), // 1GB | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &IndexerBlocksAPI{ | ||
| stream: config.BlocksApiStream, | ||
| token: config.BlocksApiToken, | ||
| dbh: dbh, | ||
| l: logger, | ||
| b: b, | ||
| grpc: client, | ||
| height: config.FromBlock, | ||
| }, nil | ||
| } | ||
|
|
||
| func (i *IndexerBlocksAPI) Start(ctx context.Context) { | ||
| i.mu.Lock() | ||
| defer i.mu.Unlock() | ||
|
|
||
| // Attaching authorization token | ||
| md := metadata.New(make(map[string]string)) | ||
| md.Set("authorization", "Bearer "+i.token) | ||
|
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| callCtx := metadata.NewOutgoingContext(ctx, md) | ||
|
|
||
| go i.run(callCtx) | ||
| } | ||
|
|
||
| func (i *IndexerBlocksAPI) run(callCtx context.Context) { | ||
| blocksProviderClient := blocksapi.NewBlocksProviderClient(i.grpc) | ||
|
|
||
| request := &blocksapi.ReceiveBlocksRequest{ | ||
| StreamName: i.stream, | ||
| StartPolicy: blocksapi.ReceiveBlocksRequest_START_EXACTLY_ON_TARGET, | ||
| StopPolicy: blocksapi.ReceiveBlocksRequest_STOP_NEVER, | ||
| StartTarget: &blocksapi.BlockMessage_ID{ | ||
| Kind: blocksapi.BlockMessage_MSG_WHOLE, | ||
| Height: i.height, | ||
| }, | ||
| } | ||
|
|
||
| callClient, err := blocksProviderClient.ReceiveBlocks(callCtx, request) | ||
| if err != nil { | ||
| i.l.Error().Err(err).Msgf("unable to call ReceiveBlocks") | ||
| return | ||
| } | ||
|
|
||
| defer callClient.CloseSend() | ||
|
|
||
| for { | ||
| select { | ||
| case <-callCtx.Done(): | ||
| return | ||
| default: | ||
| } | ||
|
|
||
| response, err := callClient.Recv() | ||
| if errors.Is(err, io.EOF) { | ||
| break | ||
| } else if err != nil { | ||
| i.l.Error().Err(err).Msg("unable to receive next response") | ||
| return | ||
| } | ||
|
|
||
| switch r := response.Response.(type) { | ||
| case *blocksapi.ReceiveBlocksResponse_Message: | ||
| var block indexer.Block | ||
|
|
||
| var payload []byte | ||
| if rawPayload, ok := r.Message.Message.Payload.(*blocksapi.BlockMessage_RawPayload); ok { | ||
| payload = rawPayload.RawPayload | ||
| } else { | ||
| i.l.Fatal().Msg("invalid payload type") | ||
| return | ||
| } | ||
|
|
||
| err = jsoniter.Unmarshal(payload, &block) | ||
| if err != nil { | ||
| i.l.Error().Err(err).Msg("couln't parse block") | ||
| return | ||
| } | ||
|
|
||
| err := i.dbh.InsertBlock(&block) | ||
| if err != nil { | ||
| i.l.Error().Err(err).Msg("couln't insert block") | ||
| return | ||
| } | ||
|
|
||
| if i.b != nil { | ||
| ctx := utils.PutChainId(callCtx, block.ChainId) | ||
| bn := common.UintToBN64(block.Height) | ||
| block, err := i.dbh.GetBlockByNumber(ctx, bn, true) | ||
| if err != nil { | ||
| // just log, this is a best-effort operation | ||
| i.l.Error().Err(err).Msg("couln't get block number") | ||
| } else { | ||
| i.b.PublishNewHeads(block) | ||
| } | ||
|
|
||
| nfilter := &(types.Filter{FromBlock: bn.Uint64(), ToBlock: bn.Uint64()}) | ||
| logs, err := i.dbh.GetLogs(ctx, nfilter.ToLogFilter()) | ||
| if err != nil { | ||
| // just log, this is a best-effort operation | ||
| i.l.Error().Err(err).Msg("couln't get block logs") | ||
| } else { | ||
| i.b.PublishLogs(logs) | ||
| } | ||
| } | ||
|
|
||
| i.height += 1 | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (i *IndexerBlocksAPI) Close() { | ||
| if err := i.grpc.Close(); err != nil { | ||
| log.Log().Printf("Unable to close connection: %v", err) | ||
| } | ||
| } |
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