Feature: Use current block - 3 reference for broadcast tx

[Netherdrake]

todo: https://github.com/steemit/steem-js/pull/161/files

[bitphage]

Guys could you explain why this change was introduced? I'm often getting an errors while making transactions. I'm on golos blockchain and I'm using a forked version of steem-python.

Here is the my report to golos-python: https://github.com/GolosChain/golos-python/issues/3

I reverted this change and errors disappeared.

[GwenNelson]

This might explain a recent bug in yo too

On Nov 10, 2017 10:43 AM, "Vladimir Kamarzin" [email protected] wrote:

Guys could you explain why this change was introduced? I'm often getting an errors while making transactions. I'm on golos blockchain and I'm using a forked version of steem-python.

Here is the my report to golos-python: GolosChain#3 https://github.com/GolosChain/golos-python/issues/3

I reverted this change and errors disappeared.

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[cyon1c]

@sneak @john-g-g

Is this issue still relevant?

steem-python does not currently implement this.

[sneak]

Yes, it is likely still relevant. If the change is introducing problems then it's likely a bug in the change, not the concept.

Each tx needs to refer to the block hash of a recent block. A block from a few blocks ago should be used, instead of the absolute tip of the chain, in the event of a microfork that invalidates the tip block which then renders the transactions that referenced it invalid.

[bitphage]

@sneak I think reasonable default is use last_irreversible_block as a reference. This will prevent transactions loosing at chain forks.

[sneak]

That’s fine too.