Add a last_trade member

[apmilen]

Other contracts may want to consume market data that is currently only logged by events. For instance, @jbrukh wants to get the last trade info in one of his contracts.

[jbrukh]

Clarifying: decentralized exchanges are today the only source of truly decentralized (on chain) market data. Given the ability to read last trades, one could build a Solidity contract that works like a fully decentralized open ended fund which utilizes Mkr Market data for marking the portfolio to market. This would be limited to ERC20 tokens, but still an important demonstration of the utility of dexes and Mkr Market.

…

On Thu, Jan 26, 2017 at 5:31 PM Andy Milenius ***@***.***> wrote: Other contracts may want to consume market data that is currently only logged by events. For instance, @jbrukh <https://github.com/jbrukh> wants to get the last trade info in one of his contracts. — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#151>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AACuarGSSAPHhF9_UlAsmqhjGUeDShHUks5rWR7agaJpZM4LvOXx> .

[nmushegian]

keep in mind there is no order matching so "last trade" gives you no info / is exploitable for many purposes