0g-chain/x/auction/spec/06_end_block.md
Ruaridh e1c11d411a Update Auction Module (#276)
* rough auction type refactor

* replace endTime type

* split keeper file up

* update store methods

* move store methods to keeper.go

* move nextAuctionID from params to genState

* simplify auction type to not use pointers

* add basic auction tests

* update endblocker test

* add payout to depositors feature

* add more tests

* move index updates to Get/Set for more safety

* remove slightly unecessary ID type

* remove unused message types

* feat: add spec, update redundant type names

* stop sending zero coins

* use only one coins field in MsgPlaceBid

* remove uncessary Auction interface methods

* give auction types more accurate names

* remove vuepress comments from spec

* minor spec updates

* update doc comments

* add params validation

* code cleanup, address review comments

* resolve minor TODOs

* sync spec with code

Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
2020-01-12 16:12:22 +01:00

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# End Block
At the end of each block, auctions that have reached `EndTime` are closed. The logic to close auctions is as follows:
```go
var expiredAuctions []uint64
k.IterateAuctionsByTime(ctx, ctx.BlockTime(), func(id uint64) bool {
expiredAuctions = append(expiredAuctions, id)
return false
})
for _, id := range expiredAuctions {
err := k.CloseAuction(ctx, id)
if err != nil {
panic(err)
}
}
```