# Runtime Events ## Auction Related | Event | Parameters | Description | Module | | -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | -------------------------- | -------------- | | NewCollateralAuction | 1. `AuctionId` : new collateral auction id\
2. `CurrencyId` : collateral type\
3. `Balance` : collateral amount\
4. `Balance` : target aUSD amount, when bid >= target, auction is in reverse stage\
| collateral auction created | AuctionManager | | NewDebitAuction | 1. `AuctionId` : auction id\
2. `Balance` : initial avalible ACA amount \
3. `Balance` : fixed aUSD amount, bid must >= it\
| debit auction created | AuctionManager | | NewSurplusAuction | 1. `AuctionId` : auction id\
2. `Balance` : aUSD amount of surplus\
| surplus auction created | AuctionManager | | CancelAuction | 1. `AuctionId` : auction id\
| auction canceled | AuctionManager | | AuctionDealed | 1. `AuctionId` : auction id\
| auction dealed | AuctionManager | | Bid | 1. `AuctionId` : auction id\
2. `AccountId` : bidder address \
3. `Balance` : bid price\
| bid succeeded | Auction | ## DEX Related | Event | Parameters | Description | Module | | ----------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------- | ------ | | AddLiquidity | 1. `AccountId` : who add liquidity to pool\
2. `CurrencyId` : specific liquidity pool of **other token** / aUSD pair\
3. `Balance` : other token amount added\
4. `Balance` : aUSD amount added\
5. `Share` : increased share amount\
| add liquidity to specific pool | Dex | | WithdrawLiquidity | 1. `AccountId` : who withdraw liquidity from pool\
2. `CurrencyId` : specific liquidity pool of **other token** / aUSD pair\
3. `Balance` : other token amount withdrew \
4. `Balance` : aUSD amount withdrew\
5. `Share` : decreased share amount\
| withdraw liquidity from specific pool | Dex | | Swap | 1. `AccountId` : exchanger\
2. `CurrencyId` : the token type which exchanger sold to DEX \
3. `Balance` : amount of sold token \
4. `CurrencyId` : the token type which exchanger bought from DEX\
5. `Balance` : amount of bought token\
| swap token to another token with DEX | Dex | ## Homa Related | Event | Parameters | Description | Module | | ---------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------- | ----------- | | BondAndMint | 1. `AccountId` : caller\
2. `Balance` : DOT amount to bond by homa protocol \
3. `Balance` : issued LDOT amount to caller\
| lock DOT to Homa protocal and issue liquid DOT | StakingPool | | RedeemByUnbond | 1. `AccountId` : caller\
2. `Balance` : amount of LDOT to redeem\
| redeem DOT by normal unbonding | StakingPool | | RedeemByFreeUnbonded | 1. `AccountId` : caller\
2. `Balance` : fee in LDOT\
3. `Balance` : LDOT amount to redeem\
4. `Balance` : redeemed DOT amount\
| redeem DOT directly with Homa free pool | StakingPool | | RedeemByClaimUnbonding | 1. `AccountId` : caller\
2. `EraIndex`: target era index to claim redeption\
3. `Balance` : fee in LDOT\
4. `Balance` : LDOT amount to redeem\
5. `Balance` : redeemed DOT amount\
| redeem DOT by claiming unbonding | StakingPool | ## CDP Related | Event | Parameters | Description | Module | | ---------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- | --------- | | Authorization | 1. `AccountId` : authorizer account\
2. `AccountId` : the authorized account\
3. `CurrencyId` : the authorized loan type\
| An account authorize other account to manipulate its specific type of loan | Honzon | | UnAuthorization | 1. `AccountId` : authorizer account\
2. `AccountId` : the authorized account\
3. `CurrencyId` : the authorized loan type\
| authorizer account revoke the right of authorized account to manipulate specific type of loan | Honzon | | UnAuthorizationAll | 1. `AccountId` : authorizer account\
| account revoked all authorization to other accounts with all loan types | Honzon | | LiquidateUnsafeCDP | 1. `CurrencyId` : collateral token type\
2. `AccountId` : owner of the liquidated CDP\
3. `Balance` : the confiscated amount for liquidation\
4. `Balance` : the bad debt amount(in aUSD) produced by the liquidated Cdp\
| liquidate an unsafe CDP | CdpEngine | | SettleCDPInDebit | 1. `CurrencyId` : collateral token type\
2. `AccountId` : owner of the settled CDP\
| settle a CDP has debit after emergency shutdown begin | CdpEngine | | UpdatePosition | 1. `AccountId` : CDP's owner\
2. `CurrencyId` : CDP's collateral type\
3. `Amount` : collateral adjustment amount, positive means collateral increased, negative means collateral decreased\
4. `DebitAmount` : debit adjustment amount, positive means CDP's debit increased and owner get more aUSD loan, negative means CDP's debit decreased and owner repay some debt\
| cdp owner manipulate his loan and collateral | Loans | | ConfiscateCollateralAndDebit | 1. `AccountId` : CDP's owner\
2. `CurrencyId` : CDP's collateral type\
3. `Balance` : collateral amount to be confiscated \
4. `DebitBalance` : debit balance to be confiscated \
| emit by system operations for CDPs, such as settlement, liquidation | Loans | | TransferLoan | 1. `AccountId` : sender\
2. `AccountId` : receiver\
3. `CurrencyId` : collateral type\
| sender transfer his whole specific collateral CDP(include all collateral amount and debit amount) to receiver | Loans | ## Emergency Shutdown Related | Event | Parameters | Description | Module | | ---------- | ---------------------------------------------------------------- | ------------------------- | ----------------- | | Shutdown | 1. `BlockNumber` : block number the emergency shutdown occurs | system emergency shutdown | EmergencyShutdown | | OpenRefund | 1. `BlockNumber` : block number when refund operation is allowed | refund operation opened | EmergencyShutdown | | Refund | 1. `Balance` : aUSD amount used to refund | refund succeeded | EmergencyShutdown | ## Risk Management Parameters Related | Event | Parameters | Description | Module | | ---------------------------------- | -------------------------------------------------------------------------------------------------------------------------- | ------------- | ----------- | | UpdateStabilityFee | 1. `CurrencyId` : collateral type\
2. `Option` : extra stalibity fee rate | param updated | CdpEngine | | UpdateLiquidationRatio | 1. `CurrencyId` : collateral type\
2. `Option` : liquidation ratio | param updated | CdpEngine | | UpdateLiquidationPenalty | 1. `CurrencyId` : collateral type\
2. `Option` : extra penalty rate when CDP liquidated | param updated | CdpEngine | | UpdateRequiredCollateralRatio | 1. `CurrencyId` : collateral type\
2. `Option` : the limit of collateral ratio when owner manipulate | param updated | CdpEngine | | UpdateMaximumTotalDebitValue | 1. `CurrencyId` : collateral type\
2. `Balance` : aUSD cap issued by this type of collateral | param updated | CdpEngine | | UpdateSurplusAuctionFixedSize | 1. `Balance` : fixed aUSD amount to be sold in a surplus auction\
| param updated | CdpTreasury | | UpdateSurplusBufferSize | 1. `Balance` : surplus pool buffer size, surplus auction is only created when surplus pool exceed it\
| param updated | CdpTreasury | | UpdateInitialAmountPerDebitAuction | 1. `Balance` : initial ACA amount to be sold in a debit auction\
| param updated | CdpTreasury | | UpdateDebitAuctionFixedSize | 1. `Balance` : fixed aUSD amount to buy a debit auction\
| param updated | CdpTreasury | | UpdateCollateralAuctionMaximumSize | 1. `CurrencyId` : collateral type\
2. `Balance` : max collateral amount to be sold when create new collateral auction | param updated | CdpTreasury |