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Merged
urvisavla merged 2 commits into from
Sep 12, 2025
Merged

Update CDP code samples using BufferedStorageBackend #1772

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Update CDP code samples using BufferedStorageBackend
urvisavla Sep 12, 2025
8456147
Update docs/data/indexers/build-your-own/ingest-sdk/developer_guide/l…
urvisavla Sep 12, 2025
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10 changes: 3 additions & 7 deletions docs/build/apps/ingest-sdk/ingestion-pipeline-code.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -173,13 +173,13 @@ func (adapter *LedgerMetadataInboundAdapter) Run(ctx context.Context) error {

ledgerRange := ledgerbackend.UnboundedRange(latestNetworkLedger)

pubConfig := PublisherConfig{
pubConfig := ingest.PublisherConfig{
DataStoreConfig: adapter.dataStoreConfig,
BufferedStorageConfig: DefaultBufferedStorageBackendConfig(adapter.dataStoreConfig.Schema.LedgersPerFile),
BufferedStorageConfig: ingest.DefaultBufferedStorageBackendConfig(1),
}

fmt.Printf("beginning payments stream, starting at ledger %v ...\n", latestNetworkLedger)
return ApplyLedgerMetadata(ledgerRange, pubConfig, ctx,
return ingest.ApplyLedgerMetadata(ledgerRange, pubConfig, ctx,
func(lcm xdr.LedgerCloseMeta) error {
for _, processor := range adapter.processors {
if err = processor.Process(ctx, Message{Payload: lcm}); err != nil {
Expand Down Expand Up @@ -249,10 +249,6 @@ type = "GCS"
[params]
destination_bucket_path = "my-gcs-bucketname/prefix1/prefix2"

[schema]
ledgers_per_file = 1
files_per_partition = 64000

```

</CodeExample>
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13 changes: 8 additions & 5 deletions ...d-your-own/ingest-sdk/developer_guide/ledgerbackends/bufferedstoragebackend.mdx
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Expand Up @@ -109,10 +109,6 @@ func main() {
Params: map[string]string{
"destination_bucket_path": "your-gcs-bucket/data", // Replace with actual GCS bucket path
},
Schema: datastore.DataStoreSchema{
LedgersPerFile: 1, // Defines how many ledgers per file
FilesPerPartition: 64000, // Defines partition size
},
}

// Initialize the datastore
Expand All @@ -130,8 +126,15 @@ func main() {
RetryWait: 5 * time.Second, // Wait time between retries
}

// Per SEP-54 (https://github.com/stellar/stellar-protocol/blob/master/ecosystem/sep-0054.md),
// the schema is stored in the datastore; LoadSchema retrieves it.
schema, err := datastore.LoadSchema(context.Background(), dataStore, datastoreConfig)
if err != nil {
log.Fatal(errors.Wrap(err, "failed to retrieve datastore schema"))
}

// Initialize the backend
backend, err := ledgerbackend.NewBufferedStorageBackend(backendConfig, dataStore)
backend, err := ledgerbackend.NewBufferedStorageBackend(backendConfig, dataStore, schema)
if err != nil {
log.Fatal(errors.Wrap(err, "failed to create buffered storage backend"))
}
Expand Down