[AVLE] Posting using Steem Keychain

This is a posting created through the AVLE dapp.

Previously I showed how to create a post using posting key.

[AVLE] Posting using AVLE Dapp

This time I will show you creating a post using steem keychain.
This is the first try to communicate the dart (Flutter's programming language) and the Steem keychain which is written in Javascript.

Image upload

Image signing is done also done by steem keychain.

Other options settings are the same as one with posting key.

Broadcast a post

To broadcast a post or to create a post transaction, keychain is also used. Here requestPost function of keychain is used.

The code explains itself.

_submitPostByKeychain(
      {required Posting posting, required Map<String, dynamic> options}) {
    final jsonOptions = {
      'author': options['author'],
      'permlink': options['permlink'],
      'max_accepted_payout': options['max_accepted_payout'],
      'percent_steem_dollars': options['percent_steem_dollars'],
      'allow_votes': options['allow_votes'],
      'allow_curation_rewards': options['allow_curation_rewards'],
      'extensions': [
        [
          0,
          {
            "beneficiaries": options['beneficiaries']
                .map(
                  (item) => {
                    "account": item.account,
                    "weight": item.weight,
                  },
                )
                .toList(),
          }
        ]
      ]
    };
    printWarning('posting option for keychain: ${json.encode(jsonOptions)}');

    steemKeychain.requestPost(
      username: posting.postRef.author,
      title: posting.title,
      body: posting.body,
      parent_permlink: posting.parentRef!.permlink,
      parent_author: '',
      json_metadata: posting.meta,
      permlink: posting.postRef.permlink,
      comment_options: json.encode(jsonOptions),
      callback: dartJs.allowInterop(
        (response) {
          print('requestPost response: ${response['message']}');
        },
      ),
    );
  }

Here is the advanced setting:

and the options:

Posting Result

Here is the screenshot of the post data:

Beneficiaries were set as expected and other data are all good.

Post stored in DB

Post content is stored correctly in Firebase Store. All are good!

Resteem / Vote / Comment / Follow / Support

This project will Make STEEM Great Again! I, the developer of PLAY STEEM mobile app, am doing my best to bring people to the STEEM ecosystem.

Thank you for your support.

@steemcurator01