diff --git a/testutil/keeper/mocks/fungible/bank.go b/testutil/keeper/mocks/fungible/bank.go index 1c46b35688..db14226310 100644 --- a/testutil/keeper/mocks/fungible/bank.go +++ b/testutil/keeper/mocks/fungible/bank.go @@ -13,24 +13,6 @@ type FungibleBankKeeper struct { mock.Mock } -// GetSupply provides a mock function with given fields: ctx, denom -func (_m *FungibleBankKeeper) GetSupply(ctx types.Context, denom string) types.Coin { - ret := _m.Called(ctx, denom) - - if len(ret) == 0 { - panic("no return value specified for GetSupply") - } - - var r0 types.Coin - if rf, ok := ret.Get(0).(func(types.Context, string) types.Coin); ok { - r0 = rf(ctx, denom) - } else { - r0 = ret.Get(0).(types.Coin) - } - - return r0 -} - // MintCoins provides a mock function with given fields: ctx, moduleName, amt func (_m *FungibleBankKeeper) MintCoins(ctx types.Context, moduleName string, amt types.Coins) error { ret := _m.Called(ctx, moduleName, amt) diff --git a/x/fungible/keeper/deposits_test.go b/x/fungible/keeper/deposits_test.go index 836ce0b61a..3958ae191e 100644 --- a/x/fungible/keeper/deposits_test.go +++ b/x/fungible/keeper/deposits_test.go @@ -437,10 +437,6 @@ func TestKeeper_DepositCoinZeta(t *testing.T) { b := sdkk.BankKeeper.GetBalance(ctx, zetaToAddress, config.BaseDenom) require.Equal(t, int64(0), b.Amount.Int64()) errorMint := errors.New("", 1, "error minting coins") - - bankMock.On("GetSupply", ctx, mock.Anything, mock.Anything). - Return(sdk.NewCoin(config.BaseDenom, sdk.NewInt(0))). - Once() bankMock.On("MintCoins", ctx, types.ModuleName, mock.Anything).Return(errorMint).Once() err := k.DepositCoinZeta(ctx, to, amount) require.ErrorIs(t, err, errorMint) diff --git a/x/fungible/keeper/zeta.go b/x/fungible/keeper/zeta.go index b1f2329633..bc15a06e44 100644 --- a/x/fungible/keeper/zeta.go +++ b/x/fungible/keeper/zeta.go @@ -1,7 +1,6 @@ package keeper import ( - "errors" "math/big" sdk "github.com/cosmos/cosmos-sdk/types" @@ -10,24 +9,9 @@ import ( "github.com/zeta-chain/node/x/fungible/types" ) -// ZETAMaxSupplyStr is the maximum mintable ZETA in the fungible module -// 1.85 billion ZETA -const ZETAMaxSupplyStr = "1850000000000000000000000000" - // MintZetaToEVMAccount mints ZETA (gas token) to the given address // NOTE: this method should be used with a temporary context, and it should not be committed if the method returns an error func (k *Keeper) MintZetaToEVMAccount(ctx sdk.Context, to sdk.AccAddress, amount *big.Int) error { - zetaMaxSupply, ok := sdk.NewIntFromString(ZETAMaxSupplyStr) - if !ok { - return errors.New("failed to parse ZETA max supply") - } - - // Check if the max supply is reached - supply := k.bankKeeper.GetSupply(ctx, config.BaseDenom) - if supply.Amount.Add(sdk.NewIntFromBigInt(amount)).GT(zetaMaxSupply) { - return types.ErrMaxSupplyReached - } - coins := sdk.NewCoins(sdk.NewCoin(config.BaseDenom, sdk.NewIntFromBigInt(amount))) // Mint coins if err := k.bankKeeper.MintCoins(ctx, types.ModuleName, coins); err != nil { @@ -39,17 +23,6 @@ func (k *Keeper) MintZetaToEVMAccount(ctx sdk.Context, to sdk.AccAddress, amount } func (k *Keeper) MintZetaToFungibleModule(ctx sdk.Context, amount *big.Int) error { - zetaMaxSupply, ok := sdk.NewIntFromString(ZETAMaxSupplyStr) - if !ok { - return errors.New("failed to parse ZETA max supply") - } - - // Check if the max supply is reached - supply := k.bankKeeper.GetSupply(ctx, config.BaseDenom) - if supply.Amount.Add(sdk.NewIntFromBigInt(amount)).GT(zetaMaxSupply) { - return types.ErrMaxSupplyReached - } - coins := sdk.NewCoins(sdk.NewCoin(config.BaseDenom, sdk.NewIntFromBigInt(amount))) // Mint coins return k.bankKeeper.MintCoins(ctx, types.ModuleName, coins) diff --git a/x/fungible/keeper/zeta_test.go b/x/fungible/keeper/zeta_test.go index 51e5fe279c..62e41700c1 100644 --- a/x/fungible/keeper/zeta_test.go +++ b/x/fungible/keeper/zeta_test.go @@ -2,7 +2,6 @@ package keeper_test import ( "errors" - "github.com/stretchr/testify/mock" "math/big" "testing" @@ -12,7 +11,6 @@ import ( "github.com/zeta-chain/node/cmd/zetacored/config" testkeeper "github.com/zeta-chain/node/testutil/keeper" "github.com/zeta-chain/node/testutil/sample" - "github.com/zeta-chain/node/x/fungible/keeper" "github.com/zeta-chain/node/x/fungible/types" ) @@ -31,46 +29,6 @@ func TestKeeper_MintZetaToEVMAccount(t *testing.T) { require.True(t, bal.Amount.Equal(sdk.NewInt(42))) }) - t.Run("mint the token to reach max supply", func(t *testing.T) { - k, ctx, sdkk, _ := testkeeper.FungibleKeeper(t) - k.GetAuthKeeper().GetModuleAccount(ctx, types.ModuleName) - - acc := sample.Bech32AccAddress() - bal := sdkk.BankKeeper.GetBalance(ctx, acc, config.BaseDenom) - require.True(t, bal.IsZero()) - - zetaMaxSupply, ok := sdk.NewIntFromString(keeper.ZETAMaxSupplyStr) - require.True(t, ok) - - supply := sdkk.BankKeeper.GetSupply(ctx, config.BaseDenom).Amount - - newAmount := zetaMaxSupply.Sub(supply) - - err := k.MintZetaToEVMAccount(ctx, acc, newAmount.BigInt()) - require.NoError(t, err) - bal = sdkk.BankKeeper.GetBalance(ctx, acc, config.BaseDenom) - require.True(t, bal.Amount.Equal(newAmount)) - }) - - t.Run("can't mint more than max supply", func(t *testing.T) { - k, ctx, sdkk, _ := testkeeper.FungibleKeeper(t) - k.GetAuthKeeper().GetModuleAccount(ctx, types.ModuleName) - - acc := sample.Bech32AccAddress() - bal := sdkk.BankKeeper.GetBalance(ctx, acc, config.BaseDenom) - require.True(t, bal.IsZero()) - - zetaMaxSupply, ok := sdk.NewIntFromString(keeper.ZETAMaxSupplyStr) - require.True(t, ok) - - supply := sdkk.BankKeeper.GetSupply(ctx, config.BaseDenom).Amount - - newAmount := zetaMaxSupply.Sub(supply).Add(sdk.NewInt(1)) - - err := k.MintZetaToEVMAccount(ctx, acc, newAmount.BigInt()) - require.ErrorIs(t, err, types.ErrMaxSupplyReached) - }) - coins42 := sdk.NewCoins(sdk.NewCoin(config.BaseDenom, sdk.NewInt(42))) t.Run("should fail if minting fail", func(t *testing.T) { @@ -78,9 +36,6 @@ func TestKeeper_MintZetaToEVMAccount(t *testing.T) { mockBankKeeper := testkeeper.GetFungibleBankMock(t, k) - mockBankKeeper.On("GetSupply", ctx, mock.Anything, mock.Anything). - Return(sdk.NewCoin(config.BaseDenom, sdk.NewInt(0))). - Once() mockBankKeeper.On( "MintCoins", ctx, @@ -100,9 +55,6 @@ func TestKeeper_MintZetaToEVMAccount(t *testing.T) { mockBankKeeper := testkeeper.GetFungibleBankMock(t, k) - mockBankKeeper.On("GetSupply", ctx, mock.Anything, mock.Anything). - Return(sdk.NewCoin(config.BaseDenom, sdk.NewInt(0))). - Once() mockBankKeeper.On( "MintCoins", ctx, @@ -124,33 +76,3 @@ func TestKeeper_MintZetaToEVMAccount(t *testing.T) { mockBankKeeper.AssertExpectations(t) }) } - -func TestKeeper_MintZetaToFungibleModule(t *testing.T) { - t.Run("should mint the token in the specified balance", func(t *testing.T) { - k, ctx, sdkk, _ := testkeeper.FungibleKeeper(t) - acc := k.GetAuthKeeper().GetModuleAccount(ctx, types.ModuleName).GetAddress() - - bal := sdkk.BankKeeper.GetBalance(ctx, acc, config.BaseDenom) - require.True(t, bal.IsZero()) - - err := k.MintZetaToEVMAccount(ctx, acc, big.NewInt(42)) - require.NoError(t, err) - bal = sdkk.BankKeeper.GetBalance(ctx, acc, config.BaseDenom) - require.True(t, bal.Amount.Equal(sdk.NewInt(42))) - }) - - t.Run("can't mint more than max supply", func(t *testing.T) { - k, ctx, sdkk, _ := testkeeper.FungibleKeeper(t) - k.GetAuthKeeper().GetModuleAccount(ctx, types.ModuleName) - - zetaMaxSupply, ok := sdk.NewIntFromString(keeper.ZETAMaxSupplyStr) - require.True(t, ok) - - supply := sdkk.BankKeeper.GetSupply(ctx, config.BaseDenom).Amount - - newAmount := zetaMaxSupply.Sub(supply).Add(sdk.NewInt(1)) - - err := k.MintZetaToFungibleModule(ctx, newAmount.BigInt()) - require.ErrorIs(t, err, types.ErrMaxSupplyReached) - }) -} diff --git a/x/fungible/keeper/zevm_message_passing_test.go b/x/fungible/keeper/zevm_message_passing_test.go index f8e1e300d2..f68fec1f62 100644 --- a/x/fungible/keeper/zevm_message_passing_test.go +++ b/x/fungible/keeper/zevm_message_passing_test.go @@ -146,9 +146,6 @@ func TestKeeper_ZEVMDepositAndCallContract(t *testing.T) { }) require.NoError(t, err) errorMint := errors.New("", 10, "error minting coins") - bankMock.On("GetSupply", ctx, mock.Anything, mock.Anything). - Return(sdk.NewCoin(config.BaseDenom, sdk.NewInt(0))). - Once() bankMock.On("MintCoins", ctx, types.ModuleName, mock.Anything).Return(errorMint).Once() _, err = k.ZETADepositAndCallContract( @@ -299,9 +296,6 @@ func TestKeeper_ZEVMRevertAndCallContract(t *testing.T) { }) require.NoError(t, err) errorMint := errors.New("", 101, "error minting coins") - bankMock.On("GetSupply", ctx, mock.Anything, mock.Anything). - Return(sdk.NewCoin(config.BaseDenom, sdk.NewInt(0))). - Once() bankMock.On("MintCoins", ctx, types.ModuleName, mock.Anything).Return(errorMint).Once() _, err = k.ZETARevertAndCallContract( diff --git a/x/fungible/types/errors.go b/x/fungible/types/errors.go index cb152f7ffe..cf333c9545 100644 --- a/x/fungible/types/errors.go +++ b/x/fungible/types/errors.go @@ -34,5 +34,4 @@ var ( ErrZRC20NilABI = cosmoserrors.Register(ModuleName, 1132, "ZRC20 ABI is nil") ErrZeroAddress = cosmoserrors.Register(ModuleName, 1133, "address cannot be zero") ErrInvalidAmount = cosmoserrors.Register(ModuleName, 1134, "invalid amount") - ErrMaxSupplyReached = cosmoserrors.Register(ModuleName, 1135, "max supply reached") ) diff --git a/x/fungible/types/expected_keepers.go b/x/fungible/types/expected_keepers.go index 8af00293ed..c8dc02f013 100644 --- a/x/fungible/types/expected_keepers.go +++ b/x/fungible/types/expected_keepers.go @@ -33,7 +33,6 @@ type BankKeeper interface { amt sdk.Coins, ) error MintCoins(ctx sdk.Context, moduleName string, amt sdk.Coins) error - GetSupply(ctx sdk.Context, denom string) sdk.Coin } type ObserverKeeper interface {