98 lines
3.7 KiB
Go
98 lines
3.7 KiB
Go
package capability_test
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import (
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"testing"
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"github.com/stretchr/testify/suite"
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abci "github.com/tendermint/tendermint/abci/types"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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"github.com/cosmos/cosmos-sdk/codec"
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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/types/module"
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banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
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"github.com/cosmos/cosmos-sdk/x/capability"
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"github.com/cosmos/cosmos-sdk/x/capability/keeper"
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"github.com/cosmos/cosmos-sdk/x/capability/types"
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)
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type CapabilityTestSuite struct {
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suite.Suite
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cdc codec.Codec
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ctx sdk.Context
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app *simapp.SimApp
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keeper *keeper.Keeper
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module module.AppModule
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}
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func (suite *CapabilityTestSuite) SetupTest() {
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checkTx := false
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app := simapp.Setup(suite.T(), checkTx)
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cdc := app.AppCodec()
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// create new keeper so we can define custom scoping before init and seal
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keeper := keeper.NewKeeper(cdc, app.GetKey(types.StoreKey), app.GetMemKey(types.MemStoreKey))
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suite.app = app
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suite.ctx = app.BaseApp.NewContext(checkTx, tmproto.Header{Height: 1})
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suite.keeper = keeper
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suite.cdc = cdc
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suite.module = capability.NewAppModule(cdc, *keeper)
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}
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// The following test case mocks a specific bug discovered in https://github.com/cosmos/cosmos-sdk/issues/9800
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// and ensures that the current code successfully fixes the issue.
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func (suite *CapabilityTestSuite) TestInitializeMemStore() {
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sk1 := suite.keeper.ScopeToModule(banktypes.ModuleName)
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cap1, err := sk1.NewCapability(suite.ctx, "transfer")
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suite.Require().NoError(err)
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suite.Require().NotNil(cap1)
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// mock statesync by creating new keeper that shares persistent state but loses in-memory map
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newKeeper := keeper.NewKeeper(suite.cdc, suite.app.GetKey(types.StoreKey), suite.app.GetMemKey("testingkey"))
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newSk1 := newKeeper.ScopeToModule(banktypes.ModuleName)
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// Mock App startup
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ctx := suite.app.BaseApp.NewUncachedContext(false, tmproto.Header{})
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newKeeper.Seal()
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suite.Require().False(newKeeper.IsInitialized(ctx), "memstore initialized flag set before BeginBlock")
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// Mock app beginblock and ensure that no gas has been consumed and memstore is initialized
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ctx = suite.app.BaseApp.NewContext(false, tmproto.Header{}).WithBlockGasMeter(sdk.NewGasMeter(50))
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prevGas := ctx.BlockGasMeter().GasConsumed()
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restartedModule := capability.NewAppModule(suite.cdc, *newKeeper)
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restartedModule.BeginBlock(ctx, abci.RequestBeginBlock{})
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suite.Require().True(newKeeper.IsInitialized(ctx), "memstore initialized flag not set")
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gasUsed := ctx.BlockGasMeter().GasConsumed()
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suite.Require().Equal(prevGas, gasUsed, "beginblocker consumed gas during execution")
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// Mock the first transaction getting capability and subsequently failing
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// by using a cached context and discarding all cached writes.
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cacheCtx, _ := ctx.CacheContext()
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_, ok := newSk1.GetCapability(cacheCtx, "transfer")
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suite.Require().True(ok)
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// Ensure that the second transaction can still receive capability even if first tx fails.
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ctx = suite.app.BaseApp.NewContext(false, tmproto.Header{})
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cap1, ok = newSk1.GetCapability(ctx, "transfer")
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suite.Require().True(ok)
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// Ensure the capabilities don't get reinitialized on next BeginBlock
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// by testing to see if capability returns same pointer
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// also check that initialized flag is still set
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restartedModule.BeginBlock(ctx, abci.RequestBeginBlock{})
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recap, ok := newSk1.GetCapability(ctx, "transfer")
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suite.Require().True(ok)
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suite.Require().Equal(cap1, recap, "capabilities got reinitialized after second BeginBlock")
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suite.Require().True(newKeeper.IsInitialized(ctx), "memstore initialized flag not set")
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}
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func TestCapabilityTestSuite(t *testing.T) {
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suite.Run(t, new(CapabilityTestSuite))
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}
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