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feat: update slippage logic #54

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merged 2 commits into from
Feb 11, 2024
Merged

feat: update slippage logic #54

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9b6c9d0
feat: update slippage logic
soring323 Feb 11, 2024
a8b5c4a
feat: fix lint issue of wasm binding module
soring323 Feb 11, 2024
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3 changes: 1 addition & 2 deletions wasmbinding/bindings/query.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,7 @@ type SideQuery struct {
// PoolId string `json:"pool_id"`
// }

type Params struct {
}
type Params struct{}

// type PoolResponse struct {
// Admin string `json:"admin"`
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6 changes: 4 additions & 2 deletions x/gmm/keeper/msg_server_swap.go
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Expand Up @@ -30,8 +30,10 @@ func (k msgServer) Swap(goCtx context.Context, msg *types.MsgSwap) (*types.MsgSw
return nil, err
}
// Calculate the absolute difference between the expected and actual token output amounts
differ := msg.TokenOut.Amount.Sub(out.Amount).Abs()

differ := sdkmath.NewInt(0)
if out.Amount.LT(msg.TokenOut.Amount) {
differ = msg.TokenOut.Amount.Sub(out.Amount)
}
// Calculate the expected slippage. Make sure msg.Slippage is in the correct unit (e.g., percentage).
// Divide by 100 if msg.Slippage is a percentage.
expectedDiffer := msg.TokenOut.Amount.Mul(msg.Slippage).Quo(sdkmath.NewInt(100))
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