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handler_plugin_test.go
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/
handler_plugin_test.go
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package keeper
import (
"encoding/json"
"github.com/CosmWasm/wasmd/x/wasm/keeper/wasmtesting"
"github.com/CosmWasm/wasmd/x/wasm/types"
wasmvm "github.com/CosmWasm/wasmvm"
wasmvmtypes "github.com/CosmWasm/wasmvm/types"
"github.com/cosmos/cosmos-sdk/baseapp"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
clienttypes "github.com/cosmos/cosmos-sdk/x/ibc/core/02-client/types"
channeltypes "github.com/cosmos/cosmos-sdk/x/ibc/core/04-channel/types"
ibcexported "github.com/cosmos/cosmos-sdk/x/ibc/core/exported"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"testing"
)
func TestMessageHandlerChainDispatch(t *testing.T) {
capturingHandler, gotMsgs := wasmtesting.NewCapturingMessageHandler()
alwaysUnknownMsgHandler := &wasmtesting.MockMessageHandler{
DispatchMsgFn: func(ctx sdk.Context, contractAddr sdk.AccAddress, contractIBCPortID string, msg wasmvmtypes.CosmosMsg) (events []sdk.Event, data [][]byte, err error) {
return nil, nil, types.ErrUnknownMsg
}}
assertNotCalledHandler := &wasmtesting.MockMessageHandler{
DispatchMsgFn: func(ctx sdk.Context, contractAddr sdk.AccAddress, contractIBCPortID string, msg wasmvmtypes.CosmosMsg) (events []sdk.Event, data [][]byte, err error) {
t.Fatal("not expected to be called")
return
}}
myMsg := wasmvmtypes.CosmosMsg{Custom: []byte(`{}`)}
specs := map[string]struct {
handlers []Messenger
expErr *sdkerrors.Error
expEvents []sdk.Event
}{
"single handler": {
handlers: []Messenger{capturingHandler},
},
"passed to next handler": {
handlers: []Messenger{alwaysUnknownMsgHandler, capturingHandler},
},
"stops iteration when handled": {
handlers: []Messenger{capturingHandler, assertNotCalledHandler},
},
"stops iteration on handler error": {
handlers: []Messenger{&wasmtesting.MockMessageHandler{
DispatchMsgFn: func(ctx sdk.Context, contractAddr sdk.AccAddress, contractIBCPortID string, msg wasmvmtypes.CosmosMsg) (events []sdk.Event, data [][]byte, err error) {
return nil, nil, types.ErrInvalidMsg
}}, assertNotCalledHandler},
expErr: types.ErrInvalidMsg,
},
"return events when handle": {
handlers: []Messenger{&wasmtesting.MockMessageHandler{
DispatchMsgFn: func(ctx sdk.Context, contractAddr sdk.AccAddress, contractIBCPortID string, msg wasmvmtypes.CosmosMsg) (events []sdk.Event, data [][]byte, err error) {
_, data, _ = capturingHandler.DispatchMsg(ctx, contractAddr, contractIBCPortID, msg)
return []sdk.Event{sdk.NewEvent("myEvent", sdk.NewAttribute("foo", "bar"))}, data, nil
}},
},
expEvents: []sdk.Event{sdk.NewEvent("myEvent", sdk.NewAttribute("foo", "bar"))},
},
"return error when none can handle": {
handlers: []Messenger{alwaysUnknownMsgHandler},
expErr: types.ErrUnknownMsg,
},
}
for name, spec := range specs {
t.Run(name, func(t *testing.T) {
*gotMsgs = make([]wasmvmtypes.CosmosMsg, 0)
// when
h := MessageHandlerChain{spec.handlers}
gotEvents, gotData, gotErr := h.DispatchMsg(sdk.Context{}, RandomAccountAddress(t), "anyPort", myMsg)
// then
require.True(t, spec.expErr.Is(gotErr), "exp %v but got %#+v", spec.expErr, gotErr)
if spec.expErr != nil {
return
}
assert.Equal(t, []wasmvmtypes.CosmosMsg{myMsg}, *gotMsgs)
assert.Equal(t, [][]byte{{1}}, gotData) // {1} is default in capturing handler
assert.Equal(t, spec.expEvents, gotEvents)
})
}
}
func TestSDKMessageHandlerDispatch(t *testing.T) {
myEvent := sdk.NewEvent("myEvent", sdk.NewAttribute("foo", "bar"))
const myData = "myData"
myRouterResult := sdk.Result{
Data: []byte(myData),
Events: sdk.Events{myEvent}.ToABCIEvents(),
}
var gotMsg []sdk.Msg
capturingRouteFn := func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
gotMsg = append(gotMsg, msg)
return &myRouterResult, nil
}
myContractAddr := RandomAccountAddress(t)
myContractMessage := wasmvmtypes.CosmosMsg{Custom: []byte("{}")}
specs := map[string]struct {
srcRoute sdk.Route
srcEncoder CustomEncoder
expErr *sdkerrors.Error
expMsgDispatched int
}{
"all good": {
srcRoute: sdk.NewRoute(types.RouterKey, capturingRouteFn),
srcEncoder: func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error) {
myMsg := types.MsgExecuteContract{
Sender: myContractAddr.String(),
Contract: RandomBech32AccountAddress(t),
Msg: []byte("{}"),
}
return []sdk.Msg{&myMsg}, nil
},
expMsgDispatched: 1,
},
"multiple output msgs": {
srcRoute: sdk.NewRoute(types.RouterKey, capturingRouteFn),
srcEncoder: func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error) {
first := &types.MsgExecuteContract{
Sender: myContractAddr.String(),
Contract: RandomBech32AccountAddress(t),
Msg: []byte("{}"),
}
second := &types.MsgExecuteContract{
Sender: myContractAddr.String(),
Contract: RandomBech32AccountAddress(t),
Msg: []byte("{}"),
}
return []sdk.Msg{first, second}, nil
},
expMsgDispatched: 2,
},
"invalid sdk message rejected": {
srcRoute: sdk.NewRoute(types.RouterKey, capturingRouteFn),
srcEncoder: func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error) {
invalidMsg := types.MsgExecuteContract{
Sender: myContractAddr.String(),
Contract: RandomBech32AccountAddress(t),
Msg: []byte("INVALID_JSON"),
}
return []sdk.Msg{&invalidMsg}, nil
},
expErr: types.ErrInvalid,
},
"invalid sender rejected": {
srcRoute: sdk.NewRoute(types.RouterKey, capturingRouteFn),
srcEncoder: func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error) {
invalidMsg := types.MsgExecuteContract{
Sender: RandomBech32AccountAddress(t),
Contract: RandomBech32AccountAddress(t),
Msg: []byte("{}"),
}
return []sdk.Msg{&invalidMsg}, nil
},
expErr: sdkerrors.ErrUnauthorized,
},
"unroutable message rejected": {
srcRoute: sdk.NewRoute("nothing", capturingRouteFn),
srcEncoder: func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error) {
myMsg := types.MsgExecuteContract{
Sender: myContractAddr.String(),
Contract: RandomBech32AccountAddress(t),
Msg: []byte("{}"),
}
return []sdk.Msg{&myMsg}, nil
},
expErr: sdkerrors.ErrUnknownRequest,
},
"encoding error passed": {
srcRoute: sdk.NewRoute("nothing", capturingRouteFn),
srcEncoder: func(sender sdk.AccAddress, msg json.RawMessage) ([]sdk.Msg, error) {
myErr := types.ErrUnpinContractFailed
return nil, myErr
},
expErr: types.ErrUnpinContractFailed,
},
}
for name, spec := range specs {
t.Run(name, func(t *testing.T) {
gotMsg = make([]sdk.Msg, 0)
router := baseapp.NewRouter()
router.AddRoute(spec.srcRoute)
// when
ctx := sdk.Context{}
h := NewSDKMessageHandler(router, MessageEncoders{Custom: spec.srcEncoder})
gotEvents, gotData, gotErr := h.DispatchMsg(ctx, myContractAddr, "myPort", myContractMessage)
// then
require.True(t, spec.expErr.Is(gotErr), "exp %v but got %#+v", spec.expErr, gotErr)
if spec.expErr != nil {
require.Len(t, gotMsg, 0)
return
}
assert.Len(t, gotMsg, spec.expMsgDispatched)
for i := 0; i < spec.expMsgDispatched; i++ {
assert.Equal(t, myEvent, gotEvents[i])
assert.Equal(t, []byte(myData), gotData[i])
}
})
}
}
func TestIBCRawPacketHandler(t *testing.T) {
ibcPort := "contractsIBCPort"
var ctx sdk.Context
var capturedPacket ibcexported.PacketI
chanKeeper := &wasmtesting.MockChannelKeeper{
GetNextSequenceSendFn: func(ctx sdk.Context, portID, channelID string) (uint64, bool) {
return 1, true
},
GetChannelFn: func(ctx sdk.Context, srcPort, srcChan string) (channeltypes.Channel, bool) {
return channeltypes.Channel{
Counterparty: channeltypes.NewCounterparty(
"other-port",
"other-channel-1",
)}, true
},
SendPacketFn: func(ctx sdk.Context, channelCap *capabilitytypes.Capability, packet ibcexported.PacketI) error {
capturedPacket = packet
return nil
},
}
capKeeper := &wasmtesting.MockCapabilityKeeper{
GetCapabilityFn: func(ctx sdk.Context, name string) (*capabilitytypes.Capability, bool) {
return &capabilitytypes.Capability{}, true
},
}
specs := map[string]struct {
srcMsg wasmvmtypes.SendPacketMsg
chanKeeper types.ChannelKeeper
capKeeper types.CapabilityKeeper
expPacketSent channeltypes.Packet
expErr *sdkerrors.Error
}{
"all good": {
srcMsg: wasmvmtypes.SendPacketMsg{
ChannelID: "channel-1",
Data: []byte("myData"),
Timeout: wasmvmtypes.IBCTimeout{Block: &wasmvmtypes.IBCTimeoutBlock{Revision: 1, Height: 2}},
},
chanKeeper: chanKeeper,
capKeeper: capKeeper,
expPacketSent: channeltypes.Packet{
Sequence: 1,
SourcePort: ibcPort,
SourceChannel: "channel-1",
DestinationPort: "other-port",
DestinationChannel: "other-channel-1",
Data: []byte("myData"),
TimeoutHeight: clienttypes.Height{RevisionNumber: 1, RevisionHeight: 2},
},
},
"sequence not found returns error": {
srcMsg: wasmvmtypes.SendPacketMsg{
ChannelID: "channel-1",
Data: []byte("myData"),
Timeout: wasmvmtypes.IBCTimeout{Block: &wasmvmtypes.IBCTimeoutBlock{Revision: 1, Height: 2}},
},
chanKeeper: &wasmtesting.MockChannelKeeper{
GetNextSequenceSendFn: func(ctx sdk.Context, portID, channelID string) (uint64, bool) {
return 0, false
}},
expErr: channeltypes.ErrSequenceSendNotFound,
},
"capability not found returns error": {
srcMsg: wasmvmtypes.SendPacketMsg{
ChannelID: "channel-1",
Data: []byte("myData"),
Timeout: wasmvmtypes.IBCTimeout{Block: &wasmvmtypes.IBCTimeoutBlock{Revision: 1, Height: 2}},
},
chanKeeper: chanKeeper,
capKeeper: wasmtesting.MockCapabilityKeeper{
GetCapabilityFn: func(ctx sdk.Context, name string) (*capabilitytypes.Capability, bool) {
return nil, false
}},
expErr: channeltypes.ErrChannelCapabilityNotFound,
},
}
for name, spec := range specs {
t.Run(name, func(t *testing.T) {
capturedPacket = nil
// when
h := NewIBCRawPacketHandler(spec.chanKeeper, spec.capKeeper)
data, evts, gotErr := h.DispatchMsg(ctx, RandomAccountAddress(t), ibcPort, wasmvmtypes.CosmosMsg{IBC: &wasmvmtypes.IBCMsg{SendPacket: &spec.srcMsg}})
// then
require.True(t, spec.expErr.Is(gotErr), "exp %v but got %#+v", spec.expErr, gotErr)
if spec.expErr != nil {
return
}
assert.Nil(t, data)
assert.Nil(t, evts)
assert.Equal(t, spec.expPacketSent, capturedPacket)
})
}
}
func TestBurnCoinMessageHandlerIntegration(t *testing.T) {
// testing via full keeper setup so that we are confident the
// module permissions are set correct and no other handler
// picks the message in the default handler chain
ctx, keepers := CreateDefaultTestInput(t)
k := keepers.WasmKeeper
before, err := keepers.BankKeeper.TotalSupply(sdk.WrapSDKContext(ctx), &banktypes.QueryTotalSupplyRequest{})
require.NoError(t, err)
example := InstantiateHackatomExampleContract(t, ctx, keepers) // with deposit of 100 stake
specs := map[string]struct {
msg wasmvmtypes.BurnMsg
expErr bool
}{
"all good": {
msg: wasmvmtypes.BurnMsg{
Amount: wasmvmtypes.Coins{{
Denom: "denom",
Amount: "100",
}},
},
},
"not enough funds in contract": {
msg: wasmvmtypes.BurnMsg{
Amount: wasmvmtypes.Coins{{
Denom: "denom",
Amount: "101",
}},
},
expErr: true,
},
"zero amount rejected": {
msg: wasmvmtypes.BurnMsg{
Amount: wasmvmtypes.Coins{{
Denom: "denom",
Amount: "0",
}},
},
expErr: true,
},
"unknown denom - insufficient funds": {
msg: wasmvmtypes.BurnMsg{
Amount: wasmvmtypes.Coins{{
Denom: "unknown",
Amount: "1",
}},
},
expErr: true,
},
}
parentCtx := ctx
for name, spec := range specs {
t.Run(name, func(t *testing.T) {
ctx, _ = parentCtx.CacheContext()
k.wasmVM = &wasmtesting.MockWasmer{ExecuteFn: func(codeID wasmvm.Checksum, env wasmvmtypes.Env, info wasmvmtypes.MessageInfo, executeMsg []byte, store wasmvm.KVStore, goapi wasmvm.GoAPI, querier wasmvm.Querier, gasMeter wasmvm.GasMeter, gasLimit uint64, deserCost wasmvmtypes.UFraction) (*wasmvmtypes.Response, uint64, error) {
return &wasmvmtypes.Response{Messages: []wasmvmtypes.SubMsg{
{Msg: wasmvmtypes.CosmosMsg{Bank: &wasmvmtypes.BankMsg{Burn: &spec.msg}}, ReplyOn: wasmvmtypes.ReplyNever},
},
}, 0, nil
}}
// when
_, err = k.execute(ctx, example.Contract, example.CreatorAddr, nil, nil)
// then
if spec.expErr {
require.Error(t, err)
return
}
require.NoError(t, err)
// and total supply reduced by burned amount
after, err := keepers.BankKeeper.TotalSupply(sdk.WrapSDKContext(ctx), &banktypes.QueryTotalSupplyRequest{})
require.NoError(t, err)
diff := before.Supply.Sub(after.Supply)
assert.Equal(t, sdk.NewCoins(sdk.NewCoin("denom", sdk.NewInt(100))), diff)
})
}
// test cases:
// not enough money to burn
}