toki
3ee268816b
- Add parser map for contract type resolution - Update socket handlers with new message routing - Add parser map tests - Remove outdated code review and plan docs for G07
58 lines
2.5 KiB
Go
58 lines
2.5 KiB
Go
package contracts
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import (
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"google.golang.org/protobuf/proto"
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altv1 "git.toki-labs.com/toki/alt/packages/contracts/gen/go/alt/v1"
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protoSocket "git.toki-labs.com/toki/proto-socket/go"
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)
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// messageFactories lists every ALT protobuf message the API parser map must
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// decode. A single factory list keeps request/response pairs together so a new
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// contract message cannot be registered through one code path and missed in
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// another, which is the drift this milestone's contract check guards against.
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func messageFactories() []func() proto.Message {
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return []func() proto.Message{
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func() proto.Message { return &altv1.HelloRequest{} },
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func() proto.Message { return &altv1.HelloResponse{} },
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// market read surface: instruments and bars
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func() proto.Message { return &altv1.ListInstrumentsRequest{} },
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func() proto.Message { return &altv1.ListInstrumentsResponse{} },
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func() proto.Message { return &altv1.ListBarsRequest{} },
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func() proto.Message { return &altv1.ListBarsResponse{} },
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// backtest surface: start / list / detail / result / compare
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func() proto.Message { return &altv1.StartBacktestRequest{} },
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func() proto.Message { return &altv1.StartBacktestResponse{} },
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func() proto.Message { return &altv1.GetBacktestRunRequest{} },
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func() proto.Message { return &altv1.GetBacktestRunResponse{} },
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func() proto.Message { return &altv1.GetBacktestResultRequest{} },
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func() proto.Message { return &altv1.GetBacktestResultResponse{} },
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func() proto.Message { return &altv1.BacktestResult{} },
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func() proto.Message { return &altv1.ListBacktestRunsRequest{} },
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func() proto.Message { return &altv1.ListBacktestRunsResponse{} },
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func() proto.Message { return &altv1.GetBacktestRunDetailRequest{} },
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func() proto.Message { return &altv1.GetBacktestRunDetailResponse{} },
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func() proto.Message { return &altv1.CompareBacktestRunsRequest{} },
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func() proto.Message { return &altv1.CompareBacktestRunsResponse{} },
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}
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}
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// ParserMap returns a fresh ParserMap populated with all ALT API messages.
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func ParserMap() protoSocket.ParserMap {
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factories := messageFactories()
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pm := make(protoSocket.ParserMap, len(factories))
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for _, factory := range factories {
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pm[protoSocket.TypeNameOf(factory())] = parserFor(factory)
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}
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return pm
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}
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func parserFor(factory func() proto.Message) func([]byte) (proto.Message, error) {
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return func(data []byte) (proto.Message, error) {
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msg := factory()
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if err := proto.Unmarshal(data, msg); err != nil {
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return nil, err
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}
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return msg, nil
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}
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}
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