/
msg_swap.go
110 lines (95 loc) · 3.14 KB
/
msg_swap.go
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package types
// SwapMsg defines a simple interface for getting the token denoms on a swap message route.
type SwapMsgRoute interface {
TokenInDenom() string
TokenOutDenom() string
TokenDenomsOnPath() []string
}
type MultiSwapMsgRoute interface {
GetSwapMsgs() []SwapMsgRoute
}
func (msg MsgSplitRouteSwapExactAmountIn) GetSwapMsgs() []SwapMsgRoute {
routes := make([]SwapMsgRoute, len(msg.Routes))
for i := 0; i < len(msg.Routes); i++ {
routes[i] = SwapAmountInSplitRouteWrapper{msg.Routes[i].Pools, msg.TokenInDenom}
}
return routes
}
func (msg MsgSplitRouteSwapExactAmountOut) GetSwapMsgs() []SwapMsgRoute {
routes := make([]SwapMsgRoute, len(msg.Routes))
for i := 0; i < len(msg.Routes); i++ {
routes[i] = SwapAmountOutSplitRouteWrapper{msg.Routes[i].Pools, msg.TokenOutDenom}
}
return routes
}
type SwapAmountInSplitRouteWrapper struct {
Pools []SwapAmountInRoute `json:"pools"`
InDenom string `json:"in_denom"`
}
type SwapAmountOutSplitRouteWrapper struct {
Pools []SwapAmountOutRoute `json:"pools"`
OutDenom string `json:"in_denom"`
}
var (
_ SwapMsgRoute = MsgSwapExactAmountIn{}
_ SwapMsgRoute = MsgSwapExactAmountOut{}
_ SwapMsgRoute = SwapAmountInSplitRouteWrapper{}
_ SwapMsgRoute = SwapAmountOutSplitRouteWrapper{}
)
func (msg SwapAmountOutSplitRouteWrapper) TokenInDenom() string {
return msg.Pools[0].TokenInDenom
}
func (msg SwapAmountOutSplitRouteWrapper) TokenOutDenom() string {
return msg.OutDenom
}
func (msg SwapAmountOutSplitRouteWrapper) TokenDenomsOnPath() []string {
denoms := make([]string, 0, len(msg.Pools)+1)
for i := 0; i < len(msg.Pools); i++ {
denoms = append(denoms, msg.Pools[i].TokenInDenom)
}
denoms = append(denoms, msg.TokenOutDenom())
return denoms
}
func (msg SwapAmountInSplitRouteWrapper) TokenInDenom() string {
return msg.InDenom
}
func (msg SwapAmountInSplitRouteWrapper) TokenOutDenom() string {
return msg.Pools[len(msg.Pools)-1].TokenOutDenom
}
func (msg SwapAmountInSplitRouteWrapper) TokenDenomsOnPath() []string {
denoms := make([]string, 0, len(msg.Pools)+1)
denoms = append(denoms, msg.TokenInDenom())
for i := 0; i < len(msg.Pools); i++ {
denoms = append(denoms, msg.Pools[i].TokenOutDenom)
}
return denoms
}
func (msg MsgSwapExactAmountOut) TokenInDenom() string {
return msg.Routes[0].GetTokenInDenom()
}
func (msg MsgSwapExactAmountOut) TokenOutDenom() string {
return msg.TokenOut.Denom
}
func (msg MsgSwapExactAmountOut) TokenDenomsOnPath() []string {
denoms := make([]string, 0, len(msg.Routes)+1)
for i := 0; i < len(msg.Routes); i++ {
denoms = append(denoms, msg.Routes[i].TokenInDenom)
}
denoms = append(denoms, msg.TokenOutDenom())
return denoms
}
func (msg MsgSwapExactAmountIn) TokenInDenom() string {
return msg.TokenIn.Denom
}
func (msg MsgSwapExactAmountIn) TokenOutDenom() string {
lastRouteIndex := len(msg.Routes) - 1
return msg.Routes[lastRouteIndex].GetTokenOutDenom()
}
func (msg MsgSwapExactAmountIn) TokenDenomsOnPath() []string {
denoms := make([]string, 0, len(msg.Routes)+1)
denoms = append(denoms, msg.TokenInDenom())
for i := 0; i < len(msg.Routes); i++ {
denoms = append(denoms, msg.Routes[i].TokenOutDenom)
}
return denoms
}