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swap_test.go
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package fswap
import (
"testing"
"github.com/fox-one/4swap-sdk-go/v2/swap"
"github.com/shopspring/decimal"
"github.com/stretchr/testify/assert"
)
func TestSwap(t *testing.T) {
pair := &Pair{
BaseAssetID: "base-asset-id",
QuoteAssetID: "quote-asset-id",
BaseAmount: decimal.NewFromFloat(1000),
QuoteAmount: decimal.NewFromFloat(2000),
FeePercent: decimal.NewFromFloat(0.01),
ProfitRate: decimal.NewFromFloat(0.02),
RouteID: 1,
SwapMethod: swap.MethodCurve,
}
payAmount := decimal.NewFromFloat(100)
result, err := Swap(pair, "base-asset-id", payAmount)
assert.NoError(t, err)
assert.Equal(t, result.FillAssetID, "quote-asset-id")
assert.Equal(t, result.FillAmount.String(), "99.35838442")
}
func TestReverseSwap(t *testing.T) {
pair := &Pair{
BaseAssetID: "base-asset-id",
QuoteAssetID: "quote-asset-id",
BaseAmount: decimal.NewFromFloat(1000),
QuoteAmount: decimal.NewFromFloat(2000),
FeePercent: decimal.NewFromFloat(0.01),
ProfitRate: decimal.NewFromFloat(0.02),
RouteID: 1,
SwapMethod: swap.MethodCurve,
}
fillAmount := decimal.NewFromFloat(50)
result, err := ReverseSwap(pair, "quote-asset-id", fillAmount)
assert.NoError(t, err)
assert.Equal(t, result.PayAssetID, "base-asset-id")
assert.Equal(t, result.PayAmount.String(), "50.30905306")
}
func TestMultiHopSwap(t *testing.T) {
pairs := []*Pair{
{
BaseAssetID: "asset1",
QuoteAssetID: "asset2",
BaseAmount: decimal.NewFromFloat(1000),
QuoteAmount: decimal.NewFromFloat(2000),
FeePercent: decimal.NewFromFloat(0.01),
ProfitRate: decimal.NewFromFloat(0.02),
RouteID: 1,
SwapMethod: swap.MethodCurve,
},
{
BaseAssetID: "asset2",
QuoteAssetID: "asset3",
BaseAmount: decimal.NewFromFloat(2000),
QuoteAmount: decimal.NewFromFloat(3000),
FeePercent: decimal.NewFromFloat(0.01),
ProfitRate: decimal.NewFromFloat(0.02),
RouteID: 2,
SwapMethod: swap.MethodCurve,
},
}
payAmount := decimal.NewFromFloat(100)
result, err := MultiHopSwap(pairs, "asset1", payAmount)
assert.NoError(t, err)
assert.Equal(t, result.FillAssetID, "asset3")
assert.Equal(t, result.FillAmount.String(), "98.55357136")
}
func TestReverseMultiHopSwap(t *testing.T) {
pairs := []*Pair{
{
BaseAssetID: "asset1",
QuoteAssetID: "asset2",
BaseAmount: decimal.NewFromFloat(1000),
QuoteAmount: decimal.NewFromFloat(2000),
FeePercent: decimal.NewFromFloat(0.01),
ProfitRate: decimal.NewFromFloat(0.02),
RouteID: 1,
SwapMethod: swap.MethodCurve,
},
{
BaseAssetID: "asset2",
QuoteAssetID: "asset3",
BaseAmount: decimal.NewFromFloat(2000),
QuoteAmount: decimal.NewFromFloat(3000),
FeePercent: decimal.NewFromFloat(0.01),
ProfitRate: decimal.NewFromFloat(0.02),
RouteID: 2,
SwapMethod: swap.MethodCurve,
},
}
fillAmount := decimal.NewFromFloat(50)
result, err := ReverseMultiHopSwap(pairs, "asset3", fillAmount)
assert.NoError(t, err)
assert.Equal(t, result.PayAssetID, "asset1")
assert.Equal(t, result.PayAmount.String(), "50.71408239")
}