What is SoftFork 0.22.2? A dive into the code

[cadawg]

SoftFork 0.22.2 confused me as much as it probably did the rest of you, I slept through the fork and so I was very confused, let's take a look into the code:

/* If the time of the current block is more than the target SoftFork time */

if ( fc::time_point_sec( STEEM_PROTECTION_HARDFORK_TIME ) <= head_block_time() )
   {

Based on the kind of operation, block it if it's from a STEEMIT, Inc owned account and:

      switch( op.which() )
      {

It's a witness vote or proxy

         case operation::tag<account_witness_proxy_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< account_witness_proxy_operation >().account ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;
         case operation::tag<account_witness_vote_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< account_witness_vote_operation >().account ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;
         case 

It's a proposal vote

operation::tag<update_proposal_votes_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< update_proposal_votes_operation >().voter ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

It's a post vote

         case operation::tag<vote_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< vote_operation >().voter ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

It's a powerdown (you can powerdown to other accounts)

         case operation::tag<withdraw_vesting_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< withdraw_vesting_operation >().account ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

Trying to set powerdown route (account to powerdown to)

         case operation::tag<set_withdraw_vesting_route_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< set_withdraw_vesting_route_operation >().from_account ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

Trying to do a plain-old transfer

         case operation::tag<transfer_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< transfer_operation >().from ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

Trying to make a market order

         case operation::tag<limit_order_create_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< limit_order_create_operation >().owner ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;
         case operation::tag<limit_order_create2_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< limit_order_create2_operation >().owner ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

Powering up

         case operation::tag<transfer_to_vesting_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< transfer_to_vesting_operation >().from ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

Sending to savings

         case operation::tag<transfer_to_savings_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< transfer_to_savings_operation >().from ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

Using inbuilt escrow function of the chain to make a transfer

         case operation::tag<escrow_transfer_operation>::value:
            if ( hardforkprotect::get_steemit_accounts().count( op.get< escrow_transfer_operation >().from ) )
               FC_THROW_EXCEPTION(transaction_exception, "Error when pushing TX:\nReason: TX has been rejected.");
            break;

For any other transaction, allow (so long as all the other requirements are ok)

         default:
            break;
      }
   }

Hope this helps you to understand,
~ @CADawg

Comments

[contrabot]

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[trendotoken]

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[uyobong]

Thanks for the share, though it still sounds strange for some of us.

Posted via Steemleo

[cadawg]

Yeah, that's understandable.

[deranged.coin]

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[cadawg]

Tweet for #POSH

[fsm-liquid]

Wait, we can power down to other account? How can I do that? What tools can I use?

Also why is power up transaction also get blocked?

[cadawg]

1. 
   SteemWorld -> Outgoing routes in balances tab ( https://steemworld.org/@fsm-liquid )

2. You can power up another account, so they could move funds that way.

[fsm-liquid]

1. Thanks a lot!
2. But it will be locked up for 13 weeks and visible on the chain though. Wow the witnesses really don't want Steemit to move funds at all.

[cadawg]

No problem.

As for 2), think about it:

If steemit's accounts have lots of liquid, all they have to do is:

1. Power up a new account
2. Vote for own witnesses running 0.22.1
3. Restore 0.22.1
4. All funds unlocked
5. Do whatever they were going to do anyway

[fsm-liquid]

Oh right, that's true. I wasn't thinking that far ahead.

[cadawg]

Fair enough. Glad I could clarify. 👍

[tsnaks]

!BEER

[cadawg]

Thanks snaks man!

[eii]

!BEER
for you

[cadawg]

Thanks!

[davedickeyyall]

So this is what robbery looks like in code. #whoknew

[cadawg]

#idid lol jk I don't even write c++ but eh I did it, correctly I think?

Glad I could shine a light on it for you!

[coffeea.token]

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[stuffbyspencer]

Damn, pretty tight restrictions. Thanks for the nice breakdown! I'm curious though... What actions are left ( besides posting ) are they allowed to do? Just talk & sign messages? I guess send custom json as well, right? ( maybe Justin can still play splinterlands lol )

[cadawg]

Yeah, anything that isn't directly transferring value/using SP, i.e. custom_json's are allowed, therefore they can use SE and SplinterLands (if they could transfer money to buy packs... lol)

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[kayceefresh]

Nice to see the set rules in raw form but only understood a few.

[haikubot]

Nice to see the set
Rules in raw form but only
Understood a few.

                 ^{- kayceefresh}

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