Merge pull request #16 from multiversx/improve-slice-allocation

Improve slice allocation by specifying the capacity.
multiversx · Aug 26, 2024 · ab42226 · ab42226
2 parents 8f76917 + 1f29ce0
commit ab42226
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/process/dataAggregator.go b/process/dataAggregator.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/multiversx/mx-chain-core-go/core"
 	"github.com/multiversx/mx-chain-core-go/core/check"
+
 	"github.com/multiversx/mx-chain-ws-connector-firehose-go/data/hyperOutportBlocks"
 
 	data "github.com/multiversx/mx-chain-ws-connector-firehose-go/data/hyperOutportBlocks"
@@ -38,7 +39,7 @@ func (da *dataAggregator) ProcessHyperBlock(metaOutportBlock *hyperOutportBlocks
 	hyperOutportBlock := &data.HyperOutportBlock{}
 	hyperOutportBlock.MetaOutportBlock = metaOutportBlock
 
-	notarizedShardOutportBlocks := make([]*data.NotarizedHeaderOutportData, 0)
+	notarizedShardOutportBlocks := make([]*data.NotarizedHeaderOutportData, 0, len(metaOutportBlock.NotarizedHeadersHashes))
 
 	log.Info("dataAggregator: notarizedHashes", "block hash", metaOutportBlock.BlockData.HeaderHash,
 		"num notarizedHashes", len(metaOutportBlock.NotarizedHeadersHashes))

diff --git a/process/outportBlockConverter.go b/process/outportBlockConverter.go
@@ -418,7 +418,7 @@ func (o *outportBlockConverter) HandleShardOutportBlock(outportBlock *outport.Ou
 		return nil, fmt.Errorf("failed to unmarshal: %w", err)
 	}
 
-	miniBlockHeaders := make([]*hyperOutportBlocks.MiniBlockHeader, 0)
+	miniBlockHeaders := make([]*hyperOutportBlocks.MiniBlockHeader, 0, len(header.Header.MiniBlockHeaders))
 	for _, miniBlockHeader := range header.Header.MiniBlockHeaders {
 		mb := &hyperOutportBlocks.MiniBlockHeader{
 			Hash:            miniBlockHeader.Hash,
@@ -431,7 +431,7 @@ func (o *outportBlockConverter) HandleShardOutportBlock(outportBlock *outport.Ou
 		miniBlockHeaders = append(miniBlockHeaders, mb)
 	}
 
-	peerChanges := make([]*hyperOutportBlocks.PeerChange, 0)
+	peerChanges := make([]*hyperOutportBlocks.PeerChange, 0, len(header.Header.PeerChanges))
 	for _, peerChange := range header.Header.PeerChanges {
 		pc := &hyperOutportBlocks.PeerChange{
 			PubKey:      peerChange.PubKey,