/
msg_server.go
298 lines (242 loc) · 10.2 KB
/
msg_server.go
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package keeper
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/percosis-labs/percosis/v16/x/gamm/pool-models/balancer"
"github.com/percosis-labs/percosis/v16/x/gamm/pool-models/stableswap"
"github.com/percosis-labs/percosis/v16/x/gamm/types"
poolmanagertypes "github.com/percosis-labs/percosis/v16/x/poolmanager/types"
)
type msgServer struct {
keeper *Keeper
}
func NewMsgServerImpl(keeper *Keeper) types.MsgServer {
return &msgServer{
keeper: keeper,
}
}
func NewBalancerMsgServerImpl(keeper *Keeper) balancer.MsgServer {
return &msgServer{
keeper: keeper,
}
}
func NewStableswapMsgServerImpl(keeper *Keeper) stableswap.MsgServer {
return &msgServer{
keeper: keeper,
}
}
var (
_ types.MsgServer = msgServer{}
_ balancer.MsgServer = msgServer{}
_ stableswap.MsgServer = msgServer{}
)
// CreateBalancerPool is a create balancer pool message.
func (server msgServer) CreateBalancerPool(goCtx context.Context, msg *balancer.MsgCreateBalancerPool) (*balancer.MsgCreateBalancerPoolResponse, error) {
poolId, err := server.CreatePool(goCtx, msg)
return &balancer.MsgCreateBalancerPoolResponse{PoolID: poolId}, err
}
func (server msgServer) CreateStableswapPool(goCtx context.Context, msg *stableswap.MsgCreateStableswapPool) (*stableswap.MsgCreateStableswapPoolResponse, error) {
poolId, err := server.CreatePool(goCtx, msg)
if err != nil {
return nil, err
}
return &stableswap.MsgCreateStableswapPoolResponse{PoolID: poolId}, nil
}
func (server msgServer) StableSwapAdjustScalingFactors(goCtx context.Context, msg *stableswap.MsgStableSwapAdjustScalingFactors) (*stableswap.MsgStableSwapAdjustScalingFactorsResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
if err := server.keeper.setStableSwapScalingFactors(ctx, msg.PoolID, msg.ScalingFactors, msg.Sender); err != nil {
return nil, err
}
return &stableswap.MsgStableSwapAdjustScalingFactorsResponse{}, nil
}
// CreatePool attempts to create a pool returning the newly created pool ID or an error upon failure.
// The pool creation fee is used to fund the community pool.
// It will create a dedicated module account for the pool and sends the initial liquidity to the created module account.
func (server msgServer) CreatePool(goCtx context.Context, msg poolmanagertypes.CreatePoolMsg) (poolId uint64, err error) {
ctx := sdk.UnwrapSDKContext(goCtx)
poolId, err = server.keeper.poolManager.CreatePool(ctx, msg)
if err != nil {
return 0, err
}
return poolId, nil
}
// JoinPool routes `JoinPoolNoSwap` where we do an abstract calculation on needed lp liquidity coins to get the designated
// amount of shares for the pool. (This is done by taking the number of shares we want and then using the total number of shares
// to get the ratio of the pool it accounts for. Using this ratio, we iterate over all pool assets to get the number of tokens we need
// to get the specified number of shares).
// Using the number of tokens needed to actually join the pool, we do a basic sanity check on whether the token does not exceed
// `TokenInMaxs`. Then we hit the actual implementation of `JoinPool` defined by each pool model.
// `JoinPool` takes in the tokensIn calculated above as the parameter rather than using the number of shares provided in the msg.
// This can result in negotiable difference between the number of shares provided within the msg
// and the actual number of share amount resulted from joining pool.
// Internal logic flow for each pool model is as follows:
// Balancer: TokensInMaxs provided as the argument must either contain no tokens or containing all assets in the pool.
// * For the case of a not containing tokens, we simply perform calculation of sharesOut and needed amount of tokens for joining the pool
func (server msgServer) JoinPool(goCtx context.Context, msg *types.MsgJoinPool) (*types.MsgJoinPoolResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
neededLp, sharesOut, err := server.keeper.JoinPoolNoSwap(ctx, sender, msg.PoolId, msg.ShareOutAmount, msg.TokenInMaxs)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
})
return &types.MsgJoinPoolResponse{
ShareOutAmount: sharesOut,
TokenIn: neededLp,
}, nil
}
func (server msgServer) ExitPool(goCtx context.Context, msg *types.MsgExitPool) (*types.MsgExitPoolResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
exitCoins, err := server.keeper.ExitPool(ctx, sender, msg.PoolId, msg.ShareInAmount, msg.TokenOutMins)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender),
),
})
return &types.MsgExitPoolResponse{
TokenOut: exitCoins,
}, nil
}
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.poolManager.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
}
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.poolManager.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
}
// JoinSwapExactAmountIn is an LP transaction, that will LP all of the provided tokensIn coins.
// * For the case of a single token, we simply perform single asset join (balancer notation: pAo, pool shares amount out,
// given single asset in).
// For more details on the calculation of the number of shares look at the CalcJoinPoolShares function for the appropriate pool style
func (server msgServer) JoinSwapExternAmountIn(goCtx context.Context, msg *types.MsgJoinSwapExternAmountIn) (*types.MsgJoinSwapExternAmountInResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
tokensIn := sdk.Coins{msg.TokenIn}
shareOutAmount, err := server.keeper.JoinSwapExactAmountIn(ctx, sender, msg.PoolId, tokensIn, msg.ShareOutMinAmount)
if err != nil {
return nil, err
}
// Swap and LP events are 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.MsgJoinSwapExternAmountInResponse{ShareOutAmount: shareOutAmount}, nil
}
func (server msgServer) JoinSwapShareAmountOut(goCtx context.Context, msg *types.MsgJoinSwapShareAmountOut) (*types.MsgJoinSwapShareAmountOutResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
tokenInAmount, err := server.keeper.JoinSwapShareAmountOut(ctx, sender, msg.PoolId, msg.TokenInDenom, msg.ShareOutAmount, msg.TokenInMaxAmount)
if err != nil {
return nil, err
}
// Swap and LP events are 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.MsgJoinSwapShareAmountOutResponse{TokenInAmount: tokenInAmount}, nil
}
func (server msgServer) ExitSwapExternAmountOut(goCtx context.Context, msg *types.MsgExitSwapExternAmountOut) (*types.MsgExitSwapExternAmountOutResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
shareInAmount, err := server.keeper.ExitSwapExactAmountOut(ctx, sender, msg.PoolId, msg.TokenOut, msg.ShareInMaxAmount)
if err != nil {
return nil, err
}
// Swap and LP events are 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.MsgExitSwapExternAmountOutResponse{ShareInAmount: shareInAmount}, nil
}
func (server msgServer) ExitSwapShareAmountIn(goCtx context.Context, msg *types.MsgExitSwapShareAmountIn) (*types.MsgExitSwapShareAmountInResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
tokenOutAmount, err := server.keeper.ExitSwapShareAmountIn(ctx, sender, msg.PoolId, msg.TokenOutDenom, msg.ShareInAmount, msg.TokenOutMinAmount)
if err != nil {
return nil, err
}
// Swap and LP events are 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.MsgExitSwapShareAmountInResponse{TokenOutAmount: tokenOutAmount}, nil
}