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[DOC] added more info on unfunded offers

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mDuo13
2015-01-06 14:12:55 -08:00
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content/tx_format.md
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@@ -575,6 +575,13 @@ An unfunded transaction can remain on the ledger indefinitely, but it does not h
* This includes cases where one side or the other of an offer is found to be closer to 0 than `rippled`'s precision supports. * This includes cases where one side or the other of an offer is found to be closer to 0 than `rippled`'s precision supports.
* *Note:* there is a bug that can cause offers to be removed incorrectly in rare circumstances. (See [RIPD-456](https://ripplelabs.atlassian.net/browse/RIPD-456) for status.) * *Note:* there is a bug that can cause offers to be removed incorrectly in rare circumstances. (See [RIPD-456](https://ripplelabs.atlassian.net/browse/RIPD-456) for status.)
#### Tracking Unfunded Offers ####
Tracking the funding status of all offers can be computationally taxing. In particular, accounts that are actively trading may have a large number of offers open and be frequently involved in transactions that affect the funding status of their offers. Because of this, `rippled` does not proactively find and remove offers.
A client application can locally track the funding status of offers. To do this, first retreive an order book using the [`book_offers` command](rippled-apis.html#book-offers) and check the `taker_gets_funded` field of offers. Then, [subscribe](rippled-apis.html#subscribe) to the `transactions` stream and watch the transaction metadata to see which offers are modified.
### Offers and Trust ### ### Offers and Trust ###
The limit values of trust lines (See [TrustSet](#trustset)) do not affect offers. In other words, you can use an offer to acquire more than the maximum amount you trust an issuing gateway to redeem. The limit values of trust lines (See [TrustSet](#trustset)) do not affect offers. In other words, you can use an offer to acquire more than the maximum amount you trust an issuing gateway to redeem.