getPost method
Return a post with the given parameters. Throws a NotFoundFailure if a post could not be found.
Implementation
Future<Post> getPost({
required String author,
required String permlink,
}) async {
final bodyJson = await _fetchPostData(
method: 'bridge.get_post',
params: {'author': author, 'permlink': permlink},
);
return Post.fromJson(bodyJson['result'] as Map<String, dynamic>);
}