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run_query.go
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run_query.go
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// Copyright 2019 the orbs-network-go authors
// This file is part of the orbs-network-go library in the Orbs project.
//
// This source code is licensed under the MIT license found in the LICENSE file in the root directory of this source tree.
// The above notice should be included in all copies or substantial portions of the software.
package publicapi
import (
"context"
"github.com/orbs-network/orbs-network-go/crypto/digest"
"github.com/orbs-network/orbs-network-go/instrumentation/logfields"
"github.com/orbs-network/orbs-network-go/instrumentation/trace"
"github.com/orbs-network/orbs-spec/types/go/protocol"
"github.com/orbs-network/orbs-spec/types/go/protocol/client"
"github.com/orbs-network/orbs-spec/types/go/services"
"github.com/orbs-network/scribe/log"
"github.com/pkg/errors"
"time"
)
func (s *service) RunQuery(parentCtx context.Context, input *services.RunQueryInput) (*services.RunQueryOutput, error) {
s.metrics.queriesPerSecond.Measure(1)
ctx := trace.NewContext(parentCtx, "PublicApi.RunQuery")
if input.ClientRequest == nil {
err := errors.Errorf("client request is nil")
s.logger.Info("run query received missing input", log.Error(err))
return nil, err
}
query := input.ClientRequest.SignedQuery().Query()
queryHash := digest.CalcQueryHash(query)
logger := s.logger.WithTags(trace.LogFieldFrom(ctx), logfields.Query(queryHash), log.String("flow", "checkpoint"))
if _, err := validateRequest(s.config, query.ProtocolVersion(), query.VirtualChainId()); err != nil {
logger.Info("run query received input failed", log.Error(err))
return toRunQueryOutput(&queryOutput{requestStatus: protocol.REQUEST_STATUS_BAD_REQUEST}), err
}
logger.Info("run query request received")
start := time.Now()
defer s.metrics.runQueryTime.RecordSince(start)
callOutput, err := s.virtualMachine.ProcessQuery(ctx, &services.ProcessQueryInput{
BlockHeight: 0, // recent block height
SignedQuery: input.ClientRequest.SignedQuery(),
})
if err != nil {
logger.Info("run query request failed", log.Error(err))
return toRunQueryOutput(&queryOutput{callOutput: callOutput}), err
}
return toRunQueryOutput(&queryOutput{callOutput: callOutput}), nil
}
func toRunQueryOutput(out *queryOutput) *services.RunQueryOutput {
response := &client.RunQueryResponseBuilder{
RequestResult: &client.RequestResultBuilder{
RequestStatus: out.requestStatus,
},
QueryResult: nil,
}
if out.callOutput != nil {
response.RequestResult.RequestStatus = translateExecutionStatusToRequestStatus(out.callOutput.CallResult)
response.RequestResult.BlockHeight = out.callOutput.ReferenceBlockHeight
response.RequestResult.BlockTimestamp = out.callOutput.ReferenceBlockTimestamp
response.QueryResult = &protocol.QueryResultBuilder{
ExecutionResult: out.callOutput.CallResult,
OutputArgumentArray: out.callOutput.OutputArgumentArray,
OutputEventsArray: out.callOutput.OutputEventsArray,
}
}
return &services.RunQueryOutput{ClientResponse: response.Build()}
}