0g-chain/x/cdp/keeper/msg_server.go

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package keeper
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/cdp/types"
)
type msgServer struct {
keeper Keeper
}
// NewMsgServerImpl returns an implementation of the cdp MsgServer interface
// for the provided Keeper.
func NewMsgServerImpl(keeper Keeper) types.MsgServer {
return &msgServer{keeper: keeper}
}
var _ types.MsgServer = msgServer{}
func (k msgServer) CreateCDP(goCtx context.Context, msg *types.MsgCreateCDP) (*types.MsgCreateCDPResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
err = k.keeper.AddCdp(ctx, sender, msg.Collateral, msg.Principal, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
)
id, _ := k.keeper.GetCdpID(ctx, sender, msg.CollateralType)
return &types.MsgCreateCDPResponse{CdpID: id}, nil
}
func (k msgServer) Deposit(goCtx context.Context, msg *types.MsgDeposit) (*types.MsgDepositResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
owner, err := sdk.AccAddressFromBech32(msg.Owner)
if err != nil {
return nil, err
}
depositor, err := sdk.AccAddressFromBech32(msg.Depositor)
if err != nil {
return nil, err
}
err = k.keeper.DepositCollateral(ctx, owner, depositor, msg.Collateral, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor),
),
)
return &types.MsgDepositResponse{}, nil
}
func (k msgServer) Withdraw(goCtx context.Context, msg *types.MsgWithdraw) (*types.MsgWithdrawResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
owner, err := sdk.AccAddressFromBech32(msg.Owner)
if err != nil {
return nil, err
}
depositor, err := sdk.AccAddressFromBech32(msg.Depositor)
if err != nil {
return nil, err
}
err = k.keeper.WithdrawCollateral(ctx, owner, depositor, msg.Collateral, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor),
),
)
return &types.MsgWithdrawResponse{}, nil
}
func (k msgServer) DrawDebt(goCtx context.Context, msg *types.MsgDrawDebt) (*types.MsgDrawDebtResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
err = k.keeper.AddPrincipal(ctx, sender, msg.CollateralType, msg.Principal)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
)
return &types.MsgDrawDebtResponse{}, nil
}
func (k msgServer) RepayDebt(goCtx context.Context, msg *types.MsgRepayDebt) (*types.MsgRepayDebtResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
err = k.keeper.RepayPrincipal(ctx, sender, msg.CollateralType, msg.Payment)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
)
return &types.MsgRepayDebtResponse{}, nil
}
func (k msgServer) Liquidate(goCtx context.Context, msg *types.MsgLiquidate) (*types.MsgLiquidateResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
keeper, err := sdk.AccAddressFromBech32(msg.Keeper)
if err != nil {
return nil, err
}
borrower, err := sdk.AccAddressFromBech32(msg.Borrower)
if err != nil {
return nil, err
}
err = k.keeper.AttemptKeeperLiquidation(ctx, keeper, borrower, msg.CollateralType)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Keeper),
),
)
return &types.MsgLiquidateResponse{}, nil
}