private static List<Integer> calculateTraceAddress(final Deque<FlatTrace.Context> contexts) {
    return contexts.stream()
        .map(context -> context.getBuilder().getSubtraces())
        .collect(Collectors.toList());
  }
Generates a stream of {@link Trace} from the passed {@link TransactionTrace} and {@link Block}
data with additional Transaction Information added to FlatTrace

@param protocolSchedule the current {@link ProtocolSchedule} to use
@param transactionTrace the {@link TransactionTrace} to use
@param block the {@link Block} to use
@return a stream of generated traces {@link Trace}
ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/tracing/flat/FlatTraceGenerator.java