151 lines
3.4 KiB
Go
151 lines
3.4 KiB
Go
package feegrant_test
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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"github.com/cosmos/cosmos-sdk/simapp"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/feegrant"
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)
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func TestBasicFeeValidAllow(t *testing.T) {
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app := simapp.Setup(false)
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ctx := app.BaseApp.NewContext(false, tmproto.Header{})
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badTime := ctx.BlockTime().AddDate(0, 0, -1)
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allowace := &feegrant.BasicAllowance{
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Expiration: &badTime,
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}
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require.Error(t, allowace.ValidateBasic())
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ctx = app.BaseApp.NewContext(false, tmproto.Header{
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Time: time.Now(),
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})
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eth := sdk.NewCoins(sdk.NewInt64Coin("eth", 10))
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atom := sdk.NewCoins(sdk.NewInt64Coin("atom", 555))
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smallAtom := sdk.NewCoins(sdk.NewInt64Coin("atom", 43))
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bigAtom := sdk.NewCoins(sdk.NewInt64Coin("atom", 1000))
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leftAtom := sdk.NewCoins(sdk.NewInt64Coin("atom", 512))
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now := ctx.BlockTime()
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oneHour := now.Add(1 * time.Hour)
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cases := map[string]struct {
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allowance *feegrant.BasicAllowance
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// all other checks are ignored if valid=false
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fee sdk.Coins
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blockTime time.Time
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valid bool
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accept bool
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remove bool
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remains sdk.Coins
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}{
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"empty": {
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allowance: &feegrant.BasicAllowance{},
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accept: true,
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},
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"small fee without expire": {
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allowance: &feegrant.BasicAllowance{
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SpendLimit: atom,
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},
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fee: smallAtom,
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accept: true,
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remove: false,
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remains: leftAtom,
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},
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"all fee without expire": {
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allowance: &feegrant.BasicAllowance{
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SpendLimit: smallAtom,
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},
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fee: smallAtom,
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accept: true,
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remove: true,
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},
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"wrong fee": {
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allowance: &feegrant.BasicAllowance{
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SpendLimit: smallAtom,
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},
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fee: eth,
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accept: false,
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},
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"non-expired": {
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allowance: &feegrant.BasicAllowance{
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SpendLimit: atom,
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Expiration: &oneHour,
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},
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valid: true,
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fee: smallAtom,
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blockTime: now,
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accept: true,
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remove: false,
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remains: leftAtom,
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},
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"expired": {
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allowance: &feegrant.BasicAllowance{
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SpendLimit: atom,
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Expiration: &now,
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},
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valid: true,
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fee: smallAtom,
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blockTime: oneHour,
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accept: false,
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remove: true,
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},
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"fee more than allowed": {
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allowance: &feegrant.BasicAllowance{
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SpendLimit: atom,
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Expiration: &oneHour,
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},
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valid: true,
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fee: bigAtom,
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blockTime: now,
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accept: false,
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},
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"with out spend limit": {
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allowance: &feegrant.BasicAllowance{
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Expiration: &oneHour,
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},
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valid: true,
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fee: bigAtom,
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blockTime: now,
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accept: true,
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},
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"expired no spend limit": {
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allowance: &feegrant.BasicAllowance{
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Expiration: &now,
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},
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valid: true,
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fee: bigAtom,
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blockTime: oneHour,
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accept: false,
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},
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}
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for name, stc := range cases {
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tc := stc // to make scopelint happy
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t.Run(name, func(t *testing.T) {
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err := tc.allowance.ValidateBasic()
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require.NoError(t, err)
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ctx := app.BaseApp.NewContext(false, tmproto.Header{}).WithBlockTime(tc.blockTime)
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// now try to deduct
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removed, err := tc.allowance.Accept(ctx, tc.fee, []sdk.Msg{})
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if !tc.accept {
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require.Error(t, err)
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return
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}
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require.NoError(t, err)
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require.Equal(t, tc.remove, removed)
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if !removed {
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assert.Equal(t, tc.allowance.SpendLimit, tc.remains)
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}
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})
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}
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}
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