98 lines
2.8 KiB
Go
98 lines
2.8 KiB
Go
package ante_test
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/crypto"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/cosmos/cosmos-sdk/x/auth/ante"
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"github.com/cosmos/cosmos-sdk/x/auth/types"
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)
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func TestSetup(t *testing.T) {
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// setup
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_, ctx := createTestApp(true)
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// keys and addresses
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priv1, _, addr1 := types.KeyTestPubAddr()
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// msg and signatures
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msg1 := types.NewTestMsg(addr1)
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fee := types.NewTestStdFee()
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msgs := []sdk.Msg{msg1}
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privs, accNums, seqs := []crypto.PrivKey{priv1}, []uint64{0}, []uint64{0}
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tx := types.NewTestTx(ctx, msgs, privs, accNums, seqs, fee)
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sud := ante.NewSetUpContextDecorator()
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antehandler := sdk.ChainAnteDecorators(sud)
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// Set height to non-zero value for GasMeter to be set
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ctx = ctx.WithBlockHeight(1)
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// Context GasMeter Limit not set
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require.Equal(t, uint64(0), ctx.GasMeter().Limit(), "GasMeter set with limit before setup")
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newCtx, err := antehandler(ctx, tx, false)
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require.Nil(t, err, "SetUpContextDecorator returned error")
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// Context GasMeter Limit should be set after SetUpContextDecorator runs
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require.Equal(t, fee.Gas, newCtx.GasMeter().Limit(), "GasMeter not set correctly")
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}
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func TestRecoverPanic(t *testing.T) {
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// setup
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_, ctx := createTestApp(true)
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// keys and addresses
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priv1, _, addr1 := types.KeyTestPubAddr()
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// msg and signatures
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msg1 := types.NewTestMsg(addr1)
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fee := types.NewTestStdFee()
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msgs := []sdk.Msg{msg1}
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privs, accNums, seqs := []crypto.PrivKey{priv1}, []uint64{0}, []uint64{0}
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tx := types.NewTestTx(ctx, msgs, privs, accNums, seqs, fee)
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sud := ante.NewSetUpContextDecorator()
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antehandler := sdk.ChainAnteDecorators(sud, OutOfGasDecorator{})
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// Set height to non-zero value for GasMeter to be set
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ctx = ctx.WithBlockHeight(1)
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newCtx, err := antehandler(ctx, tx, false)
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require.NotNil(t, err, "Did not return error on OutOfGas panic")
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require.True(t, sdkerrors.ErrOutOfGas.Is(err), "Returned error is not an out of gas error")
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require.Equal(t, fee.Gas, newCtx.GasMeter().Limit())
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antehandler = sdk.ChainAnteDecorators(sud, PanicDecorator{})
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require.Panics(t, func() { antehandler(ctx, tx, false) }, "Recovered from non-Out-of-Gas panic")
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}
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type OutOfGasDecorator struct{}
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// AnteDecorator that will throw OutOfGas panic
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func (ogd OutOfGasDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
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overLimit := ctx.GasMeter().Limit() + 1
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// Should panic with outofgas error
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ctx.GasMeter().ConsumeGas(overLimit, "test panic")
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// not reached
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return next(ctx, tx, simulate)
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}
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type PanicDecorator struct{}
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func (pd PanicDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
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panic("random error")
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}
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