144 lines
5.4 KiB
Go
144 lines
5.4 KiB
Go
package keeper
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import (
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"testing"
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"github.com/stretchr/testify/require"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/supply/internal/types"
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)
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const initialPower = int64(100)
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var (
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holderAcc = types.NewEmptyModuleAccount(holder)
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burnerAcc = types.NewEmptyModuleAccount(types.Burner, types.Burner)
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minterAcc = types.NewEmptyModuleAccount(types.Minter, types.Minter)
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multiPermAcc = types.NewEmptyModuleAccount(multiPerm, types.Burner, types.Minter, types.Staking)
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randomPermAcc = types.NewEmptyModuleAccount(randomPerm, "random")
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initTokens = sdk.TokensFromConsensusPower(initialPower)
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initCoins = sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, initTokens))
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)
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func getCoinsByName(ctx sdk.Context, k Keeper, moduleName string) sdk.Coins {
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moduleAddress := k.GetModuleAddress(moduleName)
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macc := k.ak.GetAccount(ctx, moduleAddress)
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if macc == nil {
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return sdk.Coins(nil)
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}
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return macc.GetCoins()
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}
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func TestSendCoins(t *testing.T) {
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nAccs := int64(4)
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ctx, ak, keeper := createTestInput(t, false, initialPower, nAccs)
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baseAcc := ak.NewAccountWithAddress(ctx, types.NewModuleAddress("baseAcc"))
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err := holderAcc.SetCoins(initCoins)
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require.NoError(t, err)
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keeper.SetModuleAccount(ctx, holderAcc)
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keeper.SetModuleAccount(ctx, burnerAcc)
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ak.SetAccount(ctx, baseAcc)
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err = keeper.SendCoinsFromModuleToModule(ctx, "", holderAcc.GetName(), initCoins)
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require.Error(t, err)
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require.Panics(t, func() {
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keeper.SendCoinsFromModuleToModule(ctx, types.Burner, "", initCoins)
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})
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err = keeper.SendCoinsFromModuleToAccount(ctx, "", baseAcc.GetAddress(), initCoins)
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require.Error(t, err)
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err = keeper.SendCoinsFromModuleToAccount(ctx, holderAcc.GetName(), baseAcc.GetAddress(), initCoins.Add(initCoins))
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require.Error(t, err)
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err = keeper.SendCoinsFromModuleToModule(ctx, holderAcc.GetName(), types.Burner, initCoins)
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require.NoError(t, err)
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require.Equal(t, sdk.Coins(nil), getCoinsByName(ctx, keeper, holderAcc.GetName()))
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require.Equal(t, initCoins, getCoinsByName(ctx, keeper, types.Burner))
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err = keeper.SendCoinsFromModuleToAccount(ctx, types.Burner, baseAcc.GetAddress(), initCoins)
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require.NoError(t, err)
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require.Equal(t, sdk.Coins(nil), getCoinsByName(ctx, keeper, types.Burner))
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require.Equal(t, initCoins, keeper.ak.GetAccount(ctx, baseAcc.GetAddress()).GetCoins())
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err = keeper.SendCoinsFromAccountToModule(ctx, baseAcc.GetAddress(), types.Burner, initCoins)
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require.NoError(t, err)
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require.Equal(t, sdk.Coins(nil), keeper.ak.GetAccount(ctx, baseAcc.GetAddress()).GetCoins())
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require.Equal(t, initCoins, getCoinsByName(ctx, keeper, types.Burner))
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}
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func TestMintCoins(t *testing.T) {
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nAccs := int64(4)
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ctx, _, keeper := createTestInput(t, false, initialPower, nAccs)
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keeper.SetModuleAccount(ctx, burnerAcc)
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keeper.SetModuleAccount(ctx, minterAcc)
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keeper.SetModuleAccount(ctx, multiPermAcc)
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keeper.SetModuleAccount(ctx, randomPermAcc)
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initialSupply := keeper.GetSupply(ctx)
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require.Error(t, keeper.MintCoins(ctx, "", initCoins), "no module account")
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require.Panics(t, func() { keeper.MintCoins(ctx, types.Burner, initCoins) }, "invalid permission")
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require.Panics(t, func() { keeper.MintCoins(ctx, types.Minter, sdk.Coins{sdk.Coin{"denom", sdk.NewInt(-10)}}) }, "insufficient coins") //nolint
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require.Panics(t, func() { keeper.MintCoins(ctx, randomPerm, initCoins) })
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err := keeper.MintCoins(ctx, types.Minter, initCoins)
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require.NoError(t, err)
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require.Equal(t, initCoins, getCoinsByName(ctx, keeper, types.Minter))
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require.Equal(t, initialSupply.Total.Add(initCoins), keeper.GetSupply(ctx).Total)
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// test same functionality on module account with multiple permissions
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initialSupply = keeper.GetSupply(ctx)
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err = keeper.MintCoins(ctx, multiPermAcc.GetName(), initCoins)
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require.NoError(t, err)
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require.Equal(t, initCoins, getCoinsByName(ctx, keeper, multiPermAcc.GetName()))
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require.Equal(t, initialSupply.Total.Add(initCoins), keeper.GetSupply(ctx).Total)
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require.Panics(t, func() { keeper.MintCoins(ctx, types.Burner, initCoins) })
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}
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func TestBurnCoins(t *testing.T) {
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nAccs := int64(4)
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ctx, _, keeper := createTestInput(t, false, initialPower, nAccs)
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require.NoError(t, burnerAcc.SetCoins(initCoins))
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keeper.SetModuleAccount(ctx, burnerAcc)
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initialSupply := keeper.GetSupply(ctx)
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initialSupply.Inflate(initCoins)
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keeper.SetSupply(ctx, initialSupply)
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require.Error(t, keeper.BurnCoins(ctx, "", initCoins), "no module account")
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require.Panics(t, func() { keeper.BurnCoins(ctx, types.Minter, initCoins) }, "invalid permission")
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require.Panics(t, func() { keeper.BurnCoins(ctx, randomPerm, initialSupply.Total) }, "random permission")
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require.Panics(t, func() { keeper.BurnCoins(ctx, types.Burner, initialSupply.Total) }, "insufficient coins")
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err := keeper.BurnCoins(ctx, types.Burner, initCoins)
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require.NoError(t, err)
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require.Equal(t, sdk.Coins(nil), getCoinsByName(ctx, keeper, types.Burner))
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require.Equal(t, initialSupply.Total.Sub(initCoins), keeper.GetSupply(ctx).Total)
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// test same functionality on module account with multiple permissions
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initialSupply = keeper.GetSupply(ctx)
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initialSupply.Inflate(initCoins)
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keeper.SetSupply(ctx, initialSupply)
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require.NoError(t, multiPermAcc.SetCoins(initCoins))
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keeper.SetModuleAccount(ctx, multiPermAcc)
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err = keeper.BurnCoins(ctx, multiPermAcc.GetName(), initCoins)
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require.NoError(t, err)
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require.Equal(t, sdk.Coins(nil), getCoinsByName(ctx, keeper, multiPermAcc.GetName()))
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require.Equal(t, initialSupply.Total.Sub(initCoins), keeper.GetSupply(ctx).Total)
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}
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