mirror of
https://github.com/0glabs/0g-chain.git
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113 lines
3.2 KiB
Go
113 lines
3.2 KiB
Go
package cdp
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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)
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// NewHandler creates an sdk.Handler for cdp messages
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func NewHandler(k Keeper) sdk.Handler {
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return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
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ctx = ctx.WithEventManager(sdk.NewEventManager())
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switch msg := msg.(type) {
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case MsgCreateCDP:
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return handleMsgCreateCDP(ctx, k, msg)
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case MsgDeposit:
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return handleMsgDeposit(ctx, k, msg)
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case MsgWithdraw:
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return handleMsgWithdraw(ctx, k, msg)
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case MsgDrawDebt:
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return handleMsgDrawDebt(ctx, k, msg)
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case MsgRepayDebt:
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return handleMsgRepayDebt(ctx, k, msg)
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default:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg)
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}
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}
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}
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func handleMsgCreateCDP(ctx sdk.Context, k Keeper, msg MsgCreateCDP) (*sdk.Result, error) {
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err := k.AddCdp(ctx, msg.Sender, msg.Collateral, msg.Principal)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()),
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),
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)
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id, _ := k.GetCdpID(ctx, msg.Sender, msg.Collateral.Denom)
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return &sdk.Result{
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Data: GetCdpIDBytes(id),
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Events: ctx.EventManager().Events(),
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}, nil
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}
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func handleMsgDeposit(ctx sdk.Context, k Keeper, msg MsgDeposit) (*sdk.Result, error) {
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err := k.DepositCollateral(ctx, msg.Owner, msg.Depositor, msg.Collateral)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor.String()),
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),
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)
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return &sdk.Result{Events: ctx.EventManager().Events()}, nil
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}
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func handleMsgWithdraw(ctx sdk.Context, k Keeper, msg MsgWithdraw) (*sdk.Result, error) {
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err := k.WithdrawCollateral(ctx, msg.Owner, msg.Depositor, msg.Collateral)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor.String()),
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),
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)
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return &sdk.Result{Events: ctx.EventManager().Events()}, nil
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}
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func handleMsgDrawDebt(ctx sdk.Context, k Keeper, msg MsgDrawDebt) (*sdk.Result, error) {
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err := k.AddPrincipal(ctx, msg.Sender, msg.CdpDenom, msg.Principal)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()),
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),
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)
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return &sdk.Result{Events: ctx.EventManager().Events()}, nil
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}
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func handleMsgRepayDebt(ctx sdk.Context, k Keeper, msg MsgRepayDebt) (*sdk.Result, error) {
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err := k.RepayPrincipal(ctx, msg.Sender, msg.CdpDenom, msg.Payment)
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if err != nil {
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return nil, err
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()),
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),
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)
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return &sdk.Result{Events: ctx.EventManager().Events()}, nil
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}
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