/
msg_server.go
121 lines (96 loc) · 3.56 KB
/
msg_server.go
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package poolmanager
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/osmosis-labs/osmosis/v16/x/poolmanager/types"
)
type msgServer struct {
keeper *Keeper
}
func NewMsgServerImpl(keeper *Keeper) types.MsgServer {
return &msgServer{
keeper: keeper,
}
}
// TODO: spec and tests, including events
func (server msgServer) SwapExactAmountIn(goCtx context.Context, msg *types.MsgSwapExactAmountIn) (*types.MsgSwapExactAmountInResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
tokenOutAmount, err := server.keeper.RouteExactAmountIn(ctx, sender, msg.Routes, msg.TokenIn, msg.TokenOutMinAmount)
if err != nil {
return nil, err
}
// Swap event is handled elsewhere
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
})
return &types.MsgSwapExactAmountInResponse{TokenOutAmount: tokenOutAmount}, nil
}
// TODO: spec and tests, including events
func (server msgServer) SwapExactAmountOut(goCtx context.Context, msg *types.MsgSwapExactAmountOut) (*types.MsgSwapExactAmountOutResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
tokenInAmount, err := server.keeper.RouteExactAmountOut(ctx, sender, msg.Routes, msg.TokenInMaxAmount, msg.TokenOut)
if err != nil {
return nil, err
}
// Swap event is handled elsewhere
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
})
return &types.MsgSwapExactAmountOutResponse{TokenInAmount: tokenInAmount}, nil
}
func (server msgServer) SplitRouteSwapExactAmountIn(goCtx context.Context, msg *types.MsgSplitRouteSwapExactAmountIn) (*types.MsgSplitRouteSwapExactAmountInResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
tokenOutAmount, err := server.keeper.SplitRouteExactAmountIn(ctx, sender, msg.Routes, msg.TokenInDenom, msg.TokenOutMinAmount)
if err != nil {
return nil, err
}
// Swap event is handled in each pool module's SwapExactAmountIn
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
})
return &types.MsgSplitRouteSwapExactAmountInResponse{TokenOutAmount: tokenOutAmount}, nil
}
func (server msgServer) SplitRouteSwapExactAmountOut(goCtx context.Context, msg *types.MsgSplitRouteSwapExactAmountOut) (*types.MsgSplitRouteSwapExactAmountOutResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
tokenInAmount, err := server.keeper.SplitRouteExactAmountOut(ctx, sender, msg.Routes, msg.TokenOutDenom, msg.TokenInMaxAmount)
if err != nil {
return nil, err
}
// Swap event is handled in each pool module's SwapExactAmountOut
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
})
return &types.MsgSplitRouteSwapExactAmountOutResponse{TokenInAmount: tokenInAmount}, nil
}