0g-chain/x/cdp/handler.go

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package cdp
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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)
// NewHandler creates an sdk.Handler for cdp messages
func NewHandler(k Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
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switch msg := msg.(type) {
case MsgCreateCDP:
return handleMsgCreateCDP(ctx, k, msg)
case MsgDeposit:
return handleMsgDeposit(ctx, k, msg)
case MsgWithdraw:
return handleMsgWithdraw(ctx, k, msg)
case MsgDrawDebt:
return handleMsgDrawDebt(ctx, k, msg)
case MsgRepayDebt:
return handleMsgRepayDebt(ctx, k, msg)
Cdp accumulators (#751) * Add 'InterestFactor' to CDP type (#734) * update cdp type to include interest factor * fix build * Add cdp accumulator methods (#735) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * Add sync cdp interest method (#737) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: round time difference properly * update cdp genesis state and migrations (#738) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * update cdp genesis state and migrations * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: simplify add/remove/update collateral index * update genesis state to include total principal amounts * update migration * Delete kava-4-cdp-state-block-500000.json * Add cdp liquidations by external keeper (#750) * feat: split liquidations between external keepers and automated begin blocker * address review comments * USDX incentive accumulators (#752) * feat: split liquidations between external keepers and automated begin blocker * wip: refactor usdx minting incentives to use accumulators/hooks * wip: refactor usdx minting claim object * feat: use accumulators/hooks for usdx minting rewards * fix: get tests passing * fix: don't create claim objects unless that cdp type is eligable for rewards * add begin blocker * update client * cleanup comments/tests * update querier * address review comments * fix: check for division by zero * address review comments * run hook before interest is synced * Remove savings rate (#764) * remove savings rate * remove savings rate from debt param * update migrations * address review comments * Add usdx incentives calculation test (#765) * add usdx incentive calculation test * update reward calculation * add allowable error to test criteria * Update x/incentive/keeper/rewards_test.go Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * fix: remove old fields from test genesis state Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
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case MsgLiquidate:
return handleMsgLiquidate(ctx, k, msg)
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default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg)
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}
}
}
func handleMsgCreateCDP(ctx sdk.Context, k Keeper, msg MsgCreateCDP) (*sdk.Result, error) {
err := k.AddCdp(ctx, msg.Sender, msg.Collateral, msg.Principal, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()),
),
)
id, _ := k.GetCdpID(ctx, msg.Sender, msg.CollateralType)
return &sdk.Result{
Data: GetCdpIDBytes(id),
Events: ctx.EventManager().Events(),
}, nil
}
func handleMsgDeposit(ctx sdk.Context, k Keeper, msg MsgDeposit) (*sdk.Result, error) {
err := k.DepositCollateral(ctx, msg.Owner, msg.Depositor, msg.Collateral, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor.String()),
),
)
return &sdk.Result{Events: ctx.EventManager().Events()}, nil
}
func handleMsgWithdraw(ctx sdk.Context, k Keeper, msg MsgWithdraw) (*sdk.Result, error) {
err := k.WithdrawCollateral(ctx, msg.Owner, msg.Depositor, msg.Collateral, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor.String()),
),
)
return &sdk.Result{Events: ctx.EventManager().Events()}, nil
}
func handleMsgDrawDebt(ctx sdk.Context, k Keeper, msg MsgDrawDebt) (*sdk.Result, error) {
err := k.AddPrincipal(ctx, msg.Sender, msg.CollateralType, msg.Principal)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()),
),
)
return &sdk.Result{Events: ctx.EventManager().Events()}, nil
}
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func handleMsgRepayDebt(ctx sdk.Context, k Keeper, msg MsgRepayDebt) (*sdk.Result, error) {
err := k.RepayPrincipal(ctx, msg.Sender, msg.CollateralType, msg.Payment)
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if err != nil {
return nil, err
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}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()),
),
)
return &sdk.Result{Events: ctx.EventManager().Events()}, nil
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}
Cdp accumulators (#751) * Add 'InterestFactor' to CDP type (#734) * update cdp type to include interest factor * fix build * Add cdp accumulator methods (#735) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * Add sync cdp interest method (#737) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: round time difference properly * update cdp genesis state and migrations (#738) * remame fees to interest * add accumulate interest method * add basic test * add note * address review comments * update tests * remove old fee functions * add method to synchronize cdp interest * add multi-cdp tests * add test with many blocks * add test for interest getter * update cdp genesis state and migrations * address review comments * calculate time difference then convert to seconds * fix: update collateral index when syncing interest * fix: differentiate between case when apy is zero and all fees are being rounded to zero * fix: simplify add/remove/update collateral index * update genesis state to include total principal amounts * update migration * Delete kava-4-cdp-state-block-500000.json * Add cdp liquidations by external keeper (#750) * feat: split liquidations between external keepers and automated begin blocker * address review comments * USDX incentive accumulators (#752) * feat: split liquidations between external keepers and automated begin blocker * wip: refactor usdx minting incentives to use accumulators/hooks * wip: refactor usdx minting claim object * feat: use accumulators/hooks for usdx minting rewards * fix: get tests passing * fix: don't create claim objects unless that cdp type is eligable for rewards * add begin blocker * update client * cleanup comments/tests * update querier * address review comments * fix: check for division by zero * address review comments * run hook before interest is synced * Remove savings rate (#764) * remove savings rate * remove savings rate from debt param * update migrations * address review comments * Add usdx incentives calculation test (#765) * add usdx incentive calculation test * update reward calculation * add allowable error to test criteria * Update x/incentive/keeper/rewards_test.go Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> * fix: remove old fields from test genesis state Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
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func handleMsgLiquidate(ctx sdk.Context, k Keeper, msg MsgLiquidate) (*sdk.Result, error) {
err := k.AttemptKeeperLiquidation(ctx, msg.Keeper, msg.Borrower, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Keeper.String()),
),
)
return &sdk.Result{Events: ctx.EventManager().Events()}, nil
}