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55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
package liquidator
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// Handle all liquidator messages.
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func NewHandler(keeper Keeper) sdk.Handler {
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return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
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switch msg := msg.(type) {
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case MsgSeizeAndStartCollateralAuction:
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return handleMsgSeizeAndStartCollateralAuction(ctx, keeper, msg)
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case MsgStartDebtAuction:
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return handleMsgStartDebtAuction(ctx, keeper)
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// case MsgStartSurplusAuction:
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// return handleMsgStartSurplusAuction(ctx, keeper)
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default:
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errMsg := fmt.Sprintf("Unrecognized liquidator msg type: %T", msg)
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return sdk.ErrUnknownRequest(errMsg).Result()
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}
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}
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}
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func handleMsgSeizeAndStartCollateralAuction(ctx sdk.Context, keeper Keeper, msg MsgSeizeAndStartCollateralAuction) sdk.Result {
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_, err := keeper.SeizeAndStartCollateralAuction(ctx, msg.CdpOwner, msg.CollateralDenom)
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if err != nil {
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return err.Result()
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}
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return sdk.Result{} // TODO tags, return auction ID
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}
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func handleMsgStartDebtAuction(ctx sdk.Context, keeper Keeper) sdk.Result {
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// cancel out any debt and stable coins before trying to start auction
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keeper.SettleDebt(ctx)
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// start an auction
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_, err := keeper.StartDebtAuction(ctx)
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if err != nil {
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return err.Result()
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}
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return sdk.Result{} // TODO tags, return auction ID
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}
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// With no stability and liquidation fees, surplus auctions can never be run.
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// func handleMsgStartSurplusAuction(ctx sdk.Context, keeper Keeper) sdk.Result {
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// // cancel out any debt and stable coins before trying to start auction
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// keeper.settleDebt(ctx)
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// _, err := keeper.StartSurplusAuction(ctx)
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// if err != nil {
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// return err.Result()
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// }
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// return sdk.Result{} // TODO tags
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// }
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