blocks method
Get a range of blocks
Returns blocks from startHeight to endHeight inclusive
Implementation
Future<List<pb.BlockInfo>> blocks(int startHeight, int endHeight) async {
if (startHeight < 0 || endHeight < startHeight) {
throw ValidationException('Invalid block height range');
}
final data = await _proxy.get('/blocks/$startHeight/$endHeight');
final blocks = pb.Blocks()..mergeFromBuffer(data);
return blocks.blocks.toList();
}