/
hooks.go
51 lines (39 loc) · 1.92 KB
/
hooks.go
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package types
import sdk "github.com/cosmos/cosmos-sdk/types"
type GammHooks interface {
// AfterCFMMPoolCreated is called after a CFMM pool is created
AfterCFMMPoolCreated(ctx sdk.Context, sender sdk.AccAddress, poolId uint64)
// AfterJoinPool is called after JoinPool, JoinSwapExternAmountIn, and JoinSwapShareAmountOut
AfterJoinPool(ctx sdk.Context, sender sdk.AccAddress, poolId uint64, enterCoins sdk.Coins, shareOutAmount sdk.Int)
// AfterExitPool is called after ExitPool, ExitSwapShareAmountIn, and ExitSwapExternAmountOut
AfterExitPool(ctx sdk.Context, sender sdk.AccAddress, poolId uint64, shareInAmount sdk.Int, exitCoins sdk.Coins)
// AfterSwap is called after SwapExactAmountIn and SwapExactAmountOut in x/gamm.
AfterCFMMSwap(ctx sdk.Context, sender sdk.AccAddress, poolId uint64, input sdk.Coins, output sdk.Coins)
}
var _ GammHooks = MultiGammHooks{}
// combine multiple gamm hooks, all hook functions are run in array sequence.
type MultiGammHooks []GammHooks
// Creates hooks for the Gamm Module.
func NewMultiGammHooks(hooks ...GammHooks) MultiGammHooks {
return hooks
}
func (h MultiGammHooks) AfterCFMMPoolCreated(ctx sdk.Context, sender sdk.AccAddress, poolId uint64) {
for i := range h {
h[i].AfterCFMMPoolCreated(ctx, sender, poolId)
}
}
func (h MultiGammHooks) AfterJoinPool(ctx sdk.Context, sender sdk.AccAddress, poolId uint64, enterCoins sdk.Coins, shareOutAmount sdk.Int) {
for i := range h {
h[i].AfterJoinPool(ctx, sender, poolId, enterCoins, shareOutAmount)
}
}
func (h MultiGammHooks) AfterExitPool(ctx sdk.Context, sender sdk.AccAddress, poolId uint64, shareInAmount sdk.Int, exitCoins sdk.Coins) {
for i := range h {
h[i].AfterExitPool(ctx, sender, poolId, shareInAmount, exitCoins)
}
}
func (h MultiGammHooks) AfterCFMMSwap(ctx sdk.Context, sender sdk.AccAddress, poolId uint64, input sdk.Coins, output sdk.Coins) {
for i := range h {
h[i].AfterCFMMSwap(ctx, sender, poolId, input, output)
}
}