mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-15 12:35:20 +00:00
367 lines
9.6 KiB
Go
367 lines
9.6 KiB
Go
package keeper_test
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
sdkmath "cosmossdk.io/math"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
|
|
minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
|
|
|
|
"github.com/0glabs/0g-chain/x/precisebank/types"
|
|
)
|
|
|
|
func TestMintCoins_PanicValidations(t *testing.T) {
|
|
// panic tests for invalid inputs
|
|
|
|
tests := []struct {
|
|
name string
|
|
recipientModule string
|
|
setupFn func(td testData)
|
|
mintAmount sdk.Coins
|
|
wantPanic string
|
|
}{
|
|
{
|
|
"invalid module",
|
|
"notamodule",
|
|
func(td testData) {
|
|
// Make module not found
|
|
td.ak.EXPECT().
|
|
GetModuleAccount(td.ctx, "notamodule").
|
|
Return(nil).
|
|
Once()
|
|
},
|
|
cs(c("ukava", 1000)),
|
|
"module account notamodule does not exist: unknown address",
|
|
},
|
|
{
|
|
"no permission",
|
|
minttypes.ModuleName,
|
|
func(td testData) {
|
|
td.ak.EXPECT().
|
|
GetModuleAccount(td.ctx, minttypes.ModuleName).
|
|
Return(authtypes.NewModuleAccount(
|
|
authtypes.NewBaseAccountWithAddress(sdk.AccAddress{1}),
|
|
minttypes.ModuleName,
|
|
// no mint permission
|
|
)).
|
|
Once()
|
|
},
|
|
cs(c("ukava", 1000)),
|
|
"module account mint does not have permissions to mint tokens: unauthorized",
|
|
},
|
|
{
|
|
"has mint permission",
|
|
minttypes.ModuleName,
|
|
func(td testData) {
|
|
td.ak.EXPECT().
|
|
GetModuleAccount(td.ctx, minttypes.ModuleName).
|
|
Return(authtypes.NewModuleAccount(
|
|
authtypes.NewBaseAccountWithAddress(sdk.AccAddress{1}),
|
|
minttypes.ModuleName,
|
|
// includes minter permission
|
|
authtypes.Minter,
|
|
)).
|
|
Once()
|
|
|
|
// Will call x/bank MintCoins coins
|
|
td.bk.EXPECT().
|
|
MintCoins(td.ctx, minttypes.ModuleName, cs(c("ukava", 1000))).
|
|
Return(nil).
|
|
Once()
|
|
},
|
|
cs(c("ukava", 1000)),
|
|
"",
|
|
},
|
|
{
|
|
"disallow minting to x/precisebank",
|
|
types.ModuleName,
|
|
func(td testData) {
|
|
// No mock setup needed since this is checked before module
|
|
// account checks
|
|
},
|
|
cs(c("ukava", 1000)),
|
|
"module account precisebank cannot be minted to: unauthorized",
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
td := NewMockedTestData(t)
|
|
tt.setupFn(td)
|
|
|
|
if tt.wantPanic != "" {
|
|
require.PanicsWithError(t, tt.wantPanic, func() {
|
|
_ = td.keeper.MintCoins(td.ctx, tt.recipientModule, tt.mintAmount)
|
|
})
|
|
return
|
|
}
|
|
|
|
require.NotPanics(t, func() {
|
|
// Not testing errors, only panics for this test
|
|
_ = td.keeper.MintCoins(td.ctx, tt.recipientModule, tt.mintAmount)
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMintCoins_Errors(t *testing.T) {
|
|
// returned errors, not panics
|
|
|
|
tests := []struct {
|
|
name string
|
|
recipientModule string
|
|
setupFn func(td testData)
|
|
mintAmount sdk.Coins
|
|
wantError string
|
|
}{
|
|
{
|
|
"invalid coins",
|
|
minttypes.ModuleName,
|
|
func(td testData) {
|
|
// Valid module account minter
|
|
td.ak.EXPECT().
|
|
GetModuleAccount(td.ctx, minttypes.ModuleName).
|
|
Return(authtypes.NewModuleAccount(
|
|
authtypes.NewBaseAccountWithAddress(sdk.AccAddress{1}),
|
|
minttypes.ModuleName,
|
|
// includes minter permission
|
|
authtypes.Minter,
|
|
)).
|
|
Once()
|
|
},
|
|
sdk.Coins{sdk.Coin{
|
|
Denom: "ukava",
|
|
Amount: sdk.NewInt(-1000),
|
|
}},
|
|
"-1000ukava: invalid coins",
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
td := NewMockedTestData(t)
|
|
tt.setupFn(td)
|
|
|
|
require.NotPanics(t, func() {
|
|
err := td.keeper.MintCoins(td.ctx, tt.recipientModule, tt.mintAmount)
|
|
|
|
if tt.wantError != "" {
|
|
require.Error(t, err)
|
|
require.EqualError(t, err, tt.wantError)
|
|
return
|
|
}
|
|
|
|
require.NoError(t, err)
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMintCoins_ExpectedCalls(t *testing.T) {
|
|
// Tests the expected calls to the bank keeper when minting coins
|
|
|
|
tests := []struct {
|
|
name string
|
|
// Only care about starting fractional balance.
|
|
// MintCoins() doesn't care about the previous integer balance.
|
|
startFractionalBalance sdkmath.Int
|
|
mintAmount sdk.Coins
|
|
// account x/precisebank balance (fractional amount)
|
|
wantPreciseBalance sdkmath.Int
|
|
}{
|
|
{
|
|
"passthrough mint - integer denom",
|
|
sdkmath.ZeroInt(),
|
|
cs(c("ukava", 1000)),
|
|
sdkmath.ZeroInt(),
|
|
},
|
|
|
|
{
|
|
"passthrough mint - unrelated denom",
|
|
sdkmath.ZeroInt(),
|
|
cs(c("meow", 1000)),
|
|
sdkmath.ZeroInt(),
|
|
},
|
|
{
|
|
"no carry - 0 starting fractional",
|
|
sdkmath.ZeroInt(),
|
|
cs(c(types.ExtendedCoinDenom, 1000)),
|
|
sdkmath.NewInt(1000),
|
|
},
|
|
{
|
|
"no carry - non-zero fractional",
|
|
sdkmath.NewInt(1_000_000),
|
|
cs(c(types.ExtendedCoinDenom, 1000)),
|
|
sdkmath.NewInt(1_001_000),
|
|
},
|
|
{
|
|
"fractional carry",
|
|
// max fractional amount
|
|
types.ConversionFactor().SubRaw(1),
|
|
cs(c(types.ExtendedCoinDenom, 1)), // +1 to carry
|
|
sdkmath.ZeroInt(),
|
|
},
|
|
{
|
|
"fractional carry max",
|
|
// max fractional amount + max fractional amount
|
|
types.ConversionFactor().SubRaw(1),
|
|
cs(ci(types.ExtendedCoinDenom, types.ConversionFactor().SubRaw(1))),
|
|
types.ConversionFactor().SubRaw(2),
|
|
},
|
|
{
|
|
"integer with fractional no carry",
|
|
sdkmath.NewInt(1234),
|
|
// mint 100 fractional
|
|
cs(c(types.ExtendedCoinDenom, 100)),
|
|
sdkmath.NewInt(1234 + 100),
|
|
},
|
|
{
|
|
"integer with fractional carry",
|
|
types.ConversionFactor().SubRaw(100),
|
|
// mint 105 fractional to carry
|
|
cs(c(types.ExtendedCoinDenom, 105)),
|
|
sdkmath.NewInt(5),
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
td := NewMockedTestData(t)
|
|
|
|
// Set initial fractional balance
|
|
// Initial integer balance doesn't matter for this test
|
|
moduleAddr := sdk.AccAddress{1}
|
|
td.keeper.SetFractionalBalance(
|
|
td.ctx,
|
|
moduleAddr,
|
|
tt.startFractionalBalance,
|
|
)
|
|
fBal := td.keeper.GetFractionalBalance(td.ctx, moduleAddr)
|
|
require.Equal(t, tt.startFractionalBalance, fBal)
|
|
|
|
// Always calls GetModuleAccount() to check if module exists &
|
|
// has permission
|
|
td.ak.EXPECT().
|
|
GetModuleAccount(td.ctx, minttypes.ModuleName).
|
|
Return(authtypes.NewModuleAccount(
|
|
authtypes.NewBaseAccountWithAddress(
|
|
moduleAddr,
|
|
),
|
|
minttypes.ModuleName,
|
|
// Include minter permissions - not testing permission in
|
|
// this test
|
|
authtypes.Minter,
|
|
)).
|
|
Once()
|
|
|
|
// ----------------------------------------
|
|
// Separate passthrough and extended coins
|
|
// Determine how much is passed through to x/bank
|
|
passthroughCoins := tt.mintAmount
|
|
|
|
found, extCoins := tt.mintAmount.Find(types.ExtendedCoinDenom)
|
|
if found {
|
|
// Remove extended coin from passthrough coins
|
|
passthroughCoins = passthroughCoins.Sub(extCoins)
|
|
} else {
|
|
extCoins = sdk.NewCoin(types.ExtendedCoinDenom, sdkmath.ZeroInt())
|
|
}
|
|
|
|
require.Equalf(
|
|
t,
|
|
sdkmath.ZeroInt(),
|
|
passthroughCoins.AmountOf(types.ExtendedCoinDenom),
|
|
"expected pass through coins should not include %v",
|
|
types.ExtendedCoinDenom,
|
|
)
|
|
|
|
// ----------------------------------------
|
|
// Set expectations for minting passthrough coins
|
|
// Only expect MintCoins to be called with passthrough coins with non-zero amount
|
|
if !passthroughCoins.Empty() {
|
|
t.Logf("Expecting MintCoins(%v)", passthroughCoins)
|
|
|
|
td.bk.EXPECT().
|
|
MintCoins(td.ctx, minttypes.ModuleName, passthroughCoins).
|
|
Return(nil).
|
|
Once()
|
|
}
|
|
|
|
// ----------------------------------------
|
|
// Set expectations for reserve minting when fractional amounts
|
|
// are minted & remainder is insufficient
|
|
mintFractionalAmount := extCoins.Amount.Mod(types.ConversionFactor())
|
|
currentRemainder := td.keeper.GetRemainderAmount(td.ctx)
|
|
|
|
causesIntegerCarry := fBal.Add(mintFractionalAmount).GTE(types.ConversionFactor())
|
|
remainderEnough := currentRemainder.GTE(mintFractionalAmount)
|
|
|
|
// Optimization: Carry & insufficient remainder is directly minted
|
|
if causesIntegerCarry && !remainderEnough {
|
|
extCoins = extCoins.AddAmount(types.ConversionFactor())
|
|
}
|
|
|
|
// ----------------------------------------
|
|
// Set expectations for minting fractional coins
|
|
if !extCoins.IsNil() && extCoins.IsPositive() {
|
|
td.ak.EXPECT().
|
|
GetModuleAddress(minttypes.ModuleName).
|
|
Return(moduleAddr).
|
|
Once()
|
|
|
|
// Initial integer balance is always 0 for this test
|
|
mintIntegerAmount := extCoins.Amount.Quo(types.ConversionFactor())
|
|
|
|
// Minted coins does NOT include roll-over, simply excludes
|
|
mintCoins := cs(ci(types.IntegerCoinDenom, mintIntegerAmount))
|
|
|
|
// Only expect MintCoins to be called with mint coins with
|
|
// non-zero amount.
|
|
// Will fail if x/bank MintCoins is called with empty coins
|
|
if !mintCoins.Empty() {
|
|
t.Logf("Expecting MintCoins(%v)", mintCoins)
|
|
|
|
td.bk.EXPECT().
|
|
MintCoins(td.ctx, minttypes.ModuleName, mintCoins).
|
|
Return(nil).
|
|
Once()
|
|
}
|
|
}
|
|
|
|
if causesIntegerCarry && remainderEnough {
|
|
td.bk.EXPECT().
|
|
SendCoinsFromModuleToModule(
|
|
td.ctx,
|
|
types.ModuleName,
|
|
minttypes.ModuleName,
|
|
cs(c(types.IntegerCoinDenom, 1)),
|
|
).
|
|
Return(nil).
|
|
Once()
|
|
}
|
|
|
|
if !remainderEnough && !causesIntegerCarry {
|
|
reserveMintCoins := cs(c(types.IntegerCoinDenom, 1))
|
|
td.bk.EXPECT().
|
|
// Mints to x/precisebank
|
|
MintCoins(td.ctx, types.ModuleName, reserveMintCoins).
|
|
Return(nil).
|
|
Once()
|
|
}
|
|
|
|
// ----------------------------------------
|
|
// Actual call after all setup and expectations
|
|
require.NotPanics(t, func() {
|
|
err := td.keeper.MintCoins(td.ctx, minttypes.ModuleName, tt.mintAmount)
|
|
require.NoError(t, err)
|
|
})
|
|
|
|
// Check final fractional balance
|
|
fBal = td.keeper.GetFractionalBalance(td.ctx, moduleAddr)
|
|
require.Equal(t, tt.wantPreciseBalance, fBal)
|
|
})
|
|
}
|
|
}
|