code.vegaprotocol.io/vega@v0.79.0/datanode/entities/begin_block.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package entities
    17  
    18  import (
    19  	"encoding/hex"
    20  	"time"
    21  
    22  	"code.vegaprotocol.io/vega/core/events"
    23  	eventspb "code.vegaprotocol.io/vega/protos/vega/events/v1"
    24  
    25  	"github.com/pkg/errors"
    26  )
    27  
    28  type BeginBlockEvent interface {
    29  	events.Event
    30  	BeginBlock() eventspb.BeginBlock
    31  }
    32  
    33  func BlockFromBeginBlock(b BeginBlockEvent) (*Block, error) {
    34  	hash, err := hex.DecodeString(b.TraceID())
    35  	if err != nil {
    36  		return nil, errors.Wrapf(err, "Trace ID is not valid hex string, trace ID:%s", b.TraceID())
    37  	}
    38  
    39  	vegaTime := time.Unix(0, b.BeginBlock().Timestamp)
    40  
    41  	// Postgres only stores timestamps in microsecond resolution
    42  	block := Block{
    43  		VegaTime: vegaTime.Truncate(time.Microsecond),
    44  		Hash:     hash,
    45  		Height:   b.BlockNr(),
    46  	}
    47  	return &block, err
    48  }