Method getLineageProvider

lineage.go:177–186

getLineageProvider extracts the fund provider from the transaction metadata. Parameters: - txn *model.Transaction: The transaction to extract the provider from. Returns: - string: The provider identifier, or empty string if not set.

(txn *model.Transaction)

// Returns:
// - string: The provider identifier, or empty string if not set.
func (l *LedgerForge) getLineageProvider(txn *model.Transaction) string {
	if txn.MetaData == nil {
		return ""
	}
	provider, ok := txn.MetaData[LineageProviderKey].(string)
	if !ok {
		return ""
	}
	return provider
}

// validateLineageProvider checks if the specified provider exists on the source balance.
// If the source tracks fund lineage but doesn't have the specified provider,