refactor(CL): move multihop to swap router, wire to concentrated liqu…

…idity module (#3128)

* feat/refactor(CL): move multihop to swaprouter, connect to concentrated liquidity

* comments

* godoc for RouteExactAmountOut

* link issues

* delete multihop_test.go

* Update x/swaprouter/router_test.go

Co-authored-by: Adam Tucker <adam@osmosis.team>

* Update x/swaprouter/router_test.go

Co-authored-by: Adam Tucker <adam@osmosis.team>

* Update x/concentrated-liquidity/pool.go

Co-authored-by: Adam Tucker <adam@osmosis.team>

* Update x/gamm/keeper/swap.go

Co-authored-by: Adam Tucker <adam@osmosis.team>

Co-authored-by: Adam Tucker <adam@osmosis.team>

pool.go

@@ -1,6 +1,7 @@
 package concentrated_liquidity
 
 import (
+	"errors"
 	fmt "fmt"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -30,6 +31,11 @@ func (k Keeper) CreateNewConcentratedLiquidityPool(ctx sdk.Context, poolId uint6
 	return pool, nil
 }
 
+// GetPool returns a pool with a given id.
+func (k Keeper) GetPool(ctx sdk.Context, poolId uint64) (types.PoolI, error) {
+	return nil, errors.New("not implemented")
+}
+
 func priceToTick(price sdk.Dec) sdk.Int {
 	logOfPrice := osmomath.BigDecFromSDKDec(price).LogBase2()
 	logInt := osmomath.NewDecWithPrec(10001, 4)

swaps.go

@@ -3,27 +3,31 @@ package concentrated_liquidity
 import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
-	swaproutertypes "github.com/osmosis-labs/osmosis/v12/x/swaprouter/types"
+	gammtypes "github.com/osmosis-labs/osmosis/v12/x/gamm/types"
 )
 
-// TODO: godoc
-func (k Keeper) MultihopSwapExactAmountIn(
+// TODO: spec here and in gamm
+func (k Keeper) SwapExactAmountIn(
 	ctx sdk.Context,
 	sender sdk.AccAddress,
-	routes []swaproutertypes.SwapAmountInRoute,
+	pool gammtypes.PoolI,
 	tokenIn sdk.Coin,
+	tokenOutDenom string,
 	tokenOutMinAmount sdk.Int,
+	swapFee sdk.Dec,
 ) (tokenOutAmount sdk.Int, err error) {
-	return sdk.Int{}, nil
+	panic("not implemented")
 }
 
-// TODO: godoc
-func (k Keeper) MultihopSwapExactAmountOut(
+// TODO: spec here and in gamm
+func (k Keeper) SwapExactAmountOut(
 	ctx sdk.Context,
 	sender sdk.AccAddress,
-	routes []swaproutertypes.SwapAmountOutRoute,
+	poolI gammtypes.PoolI,
+	tokenInDenom string,
 	tokenInMaxAmount sdk.Int,
 	tokenOut sdk.Coin,
+	swapFee sdk.Dec,
 ) (tokenInAmount sdk.Int, err error) {
-	return sdk.Int{}, nil
+	panic("not implemented")
 }