0g-chain/x/auction/spec/04_events.md

# Events

The `x/auction` module emits the following events:

## Triggered By Other Modules

| Type          | Attribute Key | Attribute Value |
|---------------|---------------|-----------------|
| auction_start | auction_id    | {auction ID}    |
| auction_start | auction_type  | {auction type}  |
| auction_start | lot           | {coin amount}   |
| auction_start | bid           | {coin amount}   |
| auction_start | max_bid       | {coin amount}   |

## Handlers

### MsgPlaceBid

| Type        | Attribute Key | Attribute Value    |
|-------------|---------------|--------------------|
| auction_bid | auction_id    | {auction ID}       |
| auction_bid | bidder        | {latest bidder}    |
| auction_bid | bid           | {coin amount}      |
| auction_bid | lot           | {coin amount}      |
| auction_bid | end_time      | {auction end time} |
| message     | module        | auction            |
| message     | sender        | {sender address}   |

## BeginBlock

| Type          | Attribute Key | Attribute Value |
|---------------|---------------|-----------------|
| auction_close | auction_id    | {auction ID}    |
| auction_close | close_block   | {block height}  |