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chain.go
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package testing
import (
"encoding/json"
"fmt"
"io"
"os"
"strconv"
"testing"
"time"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
"github.com/cosmos/cosmos-sdk/simapp"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/tx/signing"
"github.com/cosmos/cosmos-sdk/x/auth/ante"
authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
ibctransfertypes "github.com/cosmos/cosmos-sdk/x/ibc/applications/transfer/types"
clienttypes "github.com/cosmos/cosmos-sdk/x/ibc/core/02-client/types"
connectiontypes "github.com/cosmos/cosmos-sdk/x/ibc/core/03-connection/types"
channeltypes "github.com/cosmos/cosmos-sdk/x/ibc/core/04-channel/types"
commitmenttypes "github.com/cosmos/cosmos-sdk/x/ibc/core/23-commitment/types"
host "github.com/cosmos/cosmos-sdk/x/ibc/core/24-host"
"github.com/cosmos/cosmos-sdk/x/ibc/core/exported"
ibckeeper "github.com/cosmos/cosmos-sdk/x/ibc/core/keeper"
"github.com/cosmos/cosmos-sdk/x/ibc/core/types"
solomachinetypes "github.com/cosmos/cosmos-sdk/x/ibc/light-clients/06-solomachine/types"
ibctmtypes "github.com/cosmos/cosmos-sdk/x/ibc/light-clients/07-tendermint/types"
ibctesting "github.com/cosmos/cosmos-sdk/x/ibc/testing"
"github.com/cosmos/cosmos-sdk/x/ibc/testing/mock"
"github.com/gogo/protobuf/proto"
"github.com/hyperledger/fabric-contract-api-go/contractapi"
"github.com/hyperledger/fabric-protos-go/common"
msppb "github.com/hyperledger/fabric-protos-go/msp"
"github.com/hyperledger/fabric/common/policydsl"
fabricmock "github.com/hyperledger/fabric/core/chaincode/lifecycle/mock"
"github.com/hyperledger/fabric/msp"
"github.com/hyperledger/fabric/protoutil"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/tmhash"
tmlog "github.com/tendermint/tendermint/libs/log"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
tmtypes "github.com/tendermint/tendermint/types"
tmdb "github.com/tendermint/tm-db"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/datachainlab/fabric-ibc/app"
"github.com/datachainlab/fabric-ibc/chaincode"
"github.com/datachainlab/fabric-ibc/commitment"
"github.com/datachainlab/fabric-ibc/example"
testsstub "github.com/datachainlab/fabric-ibc/tests/stub"
fabricauthante "github.com/datachainlab/fabric-ibc/x/auth/ante"
"github.com/datachainlab/fabric-ibc/x/compat"
fabrictests "github.com/datachainlab/fabric-ibc/x/ibc/light-clients/xx-fabric/tests"
fabrictypes "github.com/datachainlab/fabric-ibc/x/ibc/light-clients/xx-fabric/types"
)
const (
// client types
Tendermint = ibctmtypes.Tendermint
SoloMachine = solomachinetypes.SoloMachine
Fabric = fabrictypes.Fabric
// Default params constants used to create a TM client
TrustingPeriod time.Duration = time.Hour * 24 * 7 * 2
UnbondingPeriod time.Duration = time.Hour * 24 * 7 * 3
MaxClockDrift time.Duration = time.Second * 10
ChannelTransferVersion = ibctransfertypes.Version
ConnectionIDPrefix = "conn"
ChannelIDPrefix = "chan"
TransferPort = ibctransfertypes.ModuleName
MockPort = mock.ModuleName
)
var (
DefaultOpenInitVersion *connectiontypes.Version
ConnectionVersion = connectiontypes.ExportedVersionsToProto(connectiontypes.GetCompatibleVersions())[0]
// Default params variables used to create a TM client
DefaultTrustLevel ibctmtypes.Fraction = ibctmtypes.DefaultTrustLevel
TestHash = tmhash.Sum([]byte("TESTING HASH"))
TestCoin = sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100))
UpgradePath = fmt.Sprintf("%s/%s", "upgrade", "upgradedClient")
)
type TestChainI interface {
Type() string
GetApp() interface{}
GetChainID() string
GetSenderAccount() authtypes.AccountI
GetLastHeader() *ibctmtypes.Header
NextBlock()
GetContext() sdk.Context
AddTestConnection(clientID, counterpartyClientID string) *ibctesting.TestConnection
ConstructNextTestConnection(clientID, counterpartyClientID string) *ibctesting.TestConnection
GetChannel(testChannel ibctesting.TestChannel) channeltypes.Channel
ConnectionOpenInit(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error
ConnectionOpenTry(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error
ConnectionOpenAck(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error
ConnectionOpenConfirm(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error
ChanOpenInit(
ch, counterparty ibctesting.TestChannel,
order channeltypes.Order,
connectionID string,
) error
ChanOpenTry(
counterparty TestChainI,
ch, counterpartyCh ibctesting.TestChannel,
order channeltypes.Order,
connectionID string,
) error
ChanOpenAck(
counterparty TestChainI,
ch, counterpartyCh ibctesting.TestChannel,
) error
ChanOpenConfirm(
counterparty TestChainI,
ch, counterpartyCh ibctesting.TestChannel,
) error
ChanCloseInit(
counterparty TestChainI,
channel ibctesting.TestChannel,
) error
CreatePortCapability(portID string)
QueryClientStateProof(clientID string) (exported.ClientState, []byte)
QueryProof(key []byte) ([]byte, clienttypes.Height)
QueryConsensusStateProof(clientID string) ([]byte, clienttypes.Height)
NewClientID(counterpartyChainID string) string
GetPrefix() commitmenttypes.MerklePrefix
SendMsgs(msgs ...sdk.Msg) (*sdk.Result, error)
}
func newApp(appName string, logger tmlog.Logger, db tmdb.DB, traceStore io.Writer, seqMgr commitment.SequenceManager, blockProvider app.BlockProvider, anteHandlerProvider app.AnteHandlerProvider) (app.Application, error) {
return example.NewIBCApp(
appName,
logger,
db,
traceStore,
example.MakeEncodingConfig(),
seqMgr,
blockProvider,
anteHandlerProvider,
)
}
// TestChain is a testing struct that wraps a simapp with the last TM Header, the current ABCI
// header and the validators of the TestChain. It also contains a field called ChainID. This
// is the clientID that *other* chains use to refer to this TestChain. The SenderAccount
// is used for delivering transactions through the application state.
// NOTE: the actual application uses an empty chain-id for ease of testing.
type TestChain struct {
t *testing.T
App *example.IBCApp
CC *chaincode.IBCChaincode
Stub *fabricmock.ChaincodeStub
ChainID string
LastHeader *ibctmtypes.Header // header for last block height committed
CurrentHeader tmproto.Header // header for current block height
QueryServer types.QueryServer
TxConfig client.TxConfig
Codec codec.BinaryMarshaler
Vals *tmtypes.ValidatorSet
Signers []tmtypes.PrivValidator
senderPrivKey crypto.PrivKey
SenderAccount authtypes.AccountI
// IBC specific helpers
ClientIDs []string // ClientID's used on this chain
Connections []*ibctesting.TestConnection // track connectionID's created for this chain
NextChannelVersion string
// Fabric
fabChannelID string
fabChaincodeID fabrictypes.ChaincodeID
endorser msp.SigningIdentity
mspConfig msppb.MSPConfig
seqMgr commitment.SequenceManager
currentTime time.Time
txSignMode TxSignMode
}
var _ TestChainI = (*TestChain)(nil)
type TxSignMode uint8
const (
TxSignModeStdTx TxSignMode = iota + 1
TxSignModeFabricTx
)
func NewTestFabricChain(t *testing.T, chainID string, mspID string, txSignMode TxSignMode) *TestChain {
// generate validator private/public key
privVal := mock.NewPV()
pubKey, err := privVal.GetPubKey()
require.NoError(t, err)
// create validator set with single validator
validator := tmtypes.NewValidator(pubKey.(cryptotypes.IntoTmPubKey).AsTmPubKey(), 1)
valSet := tmtypes.NewValidatorSet([]*tmtypes.Validator{validator})
signers := []tmtypes.PrivValidator{privVal}
logger := tmlog.NewTMLogger(os.Stdout)
seqMgr := commitment.NewSequenceManager(
commitment.CommitmentConfig{
MinTimeInterval: 0,
MaxTimestampDiff: 30 * time.Second,
},
commitmenttypes.NewMerklePrefix([]byte(host.StoreKey)),
)
var anteHandlerProvider app.AnteHandlerProvider
switch txSignMode {
case TxSignModeStdTx:
anteHandlerProvider = example.DefaultAnteHandler
case TxSignModeFabricTx:
anteHandlerProvider = newAnteHandler
default:
panic(fmt.Sprintf("unknown txSignMode %v", txSignMode))
}
cc := chaincode.NewIBCChaincode(chainID, logger, seqMgr, newApp, anteHandlerProvider, chaincode.DefaultDBProvider, chaincode.DefaultMultiEventHandler())
runner := cc.GetAppRunner()
stub := testsstub.MakeFakeStub()
app, err := newApp(
chainID,
logger,
compat.NewDB(stub),
nil,
seqMgr,
runner.GetBlockProvider(stub),
anteHandlerProvider,
)
require.NoError(t, err)
genesisState := makeGenesisState()
// generate genesis account
senderPrivKey := secp256k1.GenPrivKey()
acc := authtypes.NewBaseAccount(senderPrivKey.PubKey().Address().Bytes(), senderPrivKey.PubKey(), 0, 0)
genAccs := []authtypes.GenesisAccount{acc}
authGenesis := authtypes.NewGenesisState(authtypes.DefaultParams(), genAccs)
genesisState[authtypes.ModuleName] = app.AppCodec().MustMarshalJSON(authGenesis)
balance := banktypes.Balance{
Address: acc.GetAddress().String(),
Coins: sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100000000000000))),
}
balances := []banktypes.Balance{balance}
bondAmt := sdk.NewInt(1000000)
totalSupply := sdk.NewCoins()
// add genesis acc tokens and delegated tokens to total supply
totalSupply = totalSupply.Add(balance.Coins.Add(sdk.NewCoin(sdk.DefaultBondDenom, bondAmt))...)
bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, totalSupply, []banktypes.Metadata{})
genesisState[banktypes.ModuleName] = app.AppCodec().MustMarshalJSON(bankGenesis)
// create current header and call begin block
header := tmproto.Header{
ChainID: chainID,
Height: 1,
Time: globalStartTime,
}
// Fabric configuration
conf, err := fabrictypes.DefaultConfig()
require.NoError(t, err)
// setup the MSP manager so that we can sign/verify
mconf, bconf, err := fabrictests.GetLocalMspConfig(conf.MSPsDir, mspID)
require.NoError(t, err)
lcMSP, err := fabrictests.SetupLocalMsp(mconf, bconf)
require.NoError(t, err)
endorser, err := lcMSP.GetDefaultSigningIdentity()
require.NoError(t, err)
// TODO fix to clarify this method(or name?)
err = fabrictests.GetVerifyingConfig(mconf)
require.NoError(t, err)
// create an account to send transactions from
chain := &TestChain{
t: t,
ChainID: chainID,
App: app.(*example.IBCApp),
CC: cc,
Stub: stub,
CurrentHeader: header,
QueryServer: app.GetIBCKeeper(),
TxConfig: simapp.MakeTestEncodingConfig().TxConfig,
Codec: app.AppCodec(),
Vals: valSet,
Signers: signers,
senderPrivKey: senderPrivKey,
ClientIDs: make([]string, 0),
Connections: make([]*ibctesting.TestConnection, 0),
NextChannelVersion: ChannelTransferVersion,
fabChaincodeID: fabrictypes.ChaincodeID{
Name: "dummyCC",
Version: "dummyVer",
},
fabChannelID: "dummyChannel",
mspConfig: *mconf,
endorser: endorser,
currentTime: globalStartTime,
seqMgr: seqMgr,
txSignMode: txSignMode,
}
switch txSignMode {
case TxSignModeStdTx:
chain.SenderAccount = acc
case TxSignModeFabricTx:
chain.SenderAccount = NewAccount(acc, getTestId())
default:
panic(fmt.Sprintf("unknown txSignMode %v", txSignMode))
}
stub.GetTxTimestampReturns(×tamppb.Timestamp{Seconds: globalStartTime.Unix()}, nil)
var tctx contractapi.TransactionContext
tctx.SetStub(stub)
seqMgr.SetClock(func() time.Time {
return chain.currentTime
})
// Init chaincode
jsonBytes, err := json.Marshal(genesisState)
require.NoError(t, err)
require.NoError(t, chain.CC.InitChaincode(&tctx, string(jsonBytes)))
// cap := chain.App.IBCKeeper.PortKeeper.BindPort(chain.GetContext(), MockPort)
// pp.Println(chain.App.ScopedIBCMockKeeper)
// err = chain.App.ScopedIBCMockKeeper.ClaimCapability(chain.GetContext(), cap, host.PortPath(MockPort))
// require.NoError(t, err)
chain.NextBlock()
return chain
}
func newAnteHandler(
ibcKeeper ibckeeper.Keeper,
sigGasConsumer ante.SignatureVerificationGasConsumer,
) sdk.AnteHandler {
return sdk.ChainAnteDecorators(
fabricauthante.NewFabricIDVerificationDecorator(),
)
}
func makeGenesisState() simapp.GenesisState {
return example.NewDefaultGenesisState()
}
// Type implements TestChainI.Type
func (chain TestChain) Type() string {
return Fabric
}
func (chain *TestChain) GetContext() sdk.Context {
ctx, _ := chain.App.MakeCacheContext(chain.CurrentHeader)
return ctx
}
func (chain *TestChain) GetFabricContext() *contractapi.TransactionContext {
ctx := contractapi.TransactionContext{}
ctx.SetStub(chain.Stub)
return &ctx
}
func (chain TestChain) GetApp() interface{} {
return chain.App
}
// GetChainID implements TestChainI.GetChainID
func (chain TestChain) GetChainID() string {
return chain.ChainID
}
func (chain TestChain) GetSenderAccount() authtypes.AccountI {
return chain.SenderAccount
}
func (chain TestChain) GetLastHeader() *ibctmtypes.Header {
return chain.LastHeader
}
func (chain *TestChain) NextBlock() {}
// QueryProof performs an abci query with the given key and returns the proto encoded merkle proof
// for the query and the height at which the proof will succeed on a tendermint verifier.
func (chain *TestChain) QueryProof(key []byte) ([]byte, clienttypes.Height) {
bz, err := queryEndorseCommitment(chain.GetFabricContext(), chain, key)
require.NoError(chain.t, err)
version := clienttypes.ParseChainID(chain.ChainID)
// set height correctly
return bz, clienttypes.NewHeight(version, 1)
}
// QueryClientStateProof performs and abci query for a client state
// stored with a given clientID and returns the ClientState along with the proof
func (chain *TestChain) QueryClientStateProof(clientID string) (exported.ClientState, []byte) {
// retrieve client state to provide proof for
clientState, found := chain.App.IBCKeeper.ClientKeeper.GetClientState(chain.GetContext(), clientID)
require.True(chain.t, found)
clientKey := host.FullKeyClientPath(clientID, host.KeyClientState())
proofClient, _ := chain.QueryProof(clientKey)
return clientState, proofClient
}
// QueryConsensusStateProof performs an abci query for a consensus state
// stored on the given clientID. The proof and consensusHeight are returned.
func (chain *TestChain) QueryConsensusStateProof(clientID string) ([]byte, clienttypes.Height) {
clientState := chain.GetClientState(clientID)
consensusHeight := clientState.GetLatestHeight().(clienttypes.Height)
consensusKey := host.FullKeyClientPath(clientID, host.KeyConsensusState(consensusHeight))
proofConsensus, _ := chain.QueryProof(consensusKey)
return proofConsensus, consensusHeight
}
// AddTestConnection appends a new TestConnection which contains references
// to the connection id, client id and counterparty client id.
func (chain *TestChain) AddTestConnection(clientID, counterpartyClientID string) *ibctesting.TestConnection {
conn := chain.ConstructNextTestConnection(clientID, counterpartyClientID)
chain.Connections = append(chain.Connections, conn)
return conn
}
// ConstructNextTestConnection constructs the next test connection to be
// created given a clientID and counterparty clientID. The connection id
// format: <chainID>-conn<index>
func (chain *TestChain) ConstructNextTestConnection(clientID, counterpartyClientID string) *ibctesting.TestConnection {
connectionID := fmt.Sprintf("%s-%s%d", chain.ChainID, ConnectionIDPrefix, len(chain.Connections))
return &ibctesting.TestConnection{
ID: connectionID,
ClientID: clientID,
NextChannelVersion: chain.NextChannelVersion,
CounterpartyClientID: counterpartyClientID,
}
}
func (chain *TestChain) CreateClient(counterparty TestChainI, clientID string) error {
if counterparty.Type() != Fabric {
panic("not implemented error")
}
// construct MsgCreateClient using counterparty
msg := chain.ConstructMsgCreateClient(counterparty, clientID, Fabric)
return chain.sendMsgs(msg)
}
// TODO add tests for other headers
// UpdateClient updates the sequence and timestamp
func (chain *TestChain) UpdateClient(counterparty TestChainI, clientID string) error {
if counterparty.Type() != Fabric {
panic("not implemented error")
}
header, err := chain.ConstructUpdateClientHeader(counterparty, clientID)
require.NoError(chain.t, err)
msg, err := clienttypes.NewMsgUpdateClient(
clientID, header,
chain.SenderAccount.GetAddress(),
)
require.NoError(chain.t, err)
return chain.sendMsgs(msg)
}
func (*TestChain) ConstructUpdateClientHeader(counterparty TestChainI, clientID string) (exported.Header, error) {
cp := counterparty.(*TestChain)
var tctx contractapi.TransactionContext
tctx.SetStub(cp.Stub)
_, err := cp.CC.UpdateSequence(&tctx)
if err != nil {
return nil, err
}
seq, err := cp.seqMgr.GetCurrentSequence(cp.Stub)
if err != nil {
return nil, err
}
e, err := cp.CC.EndorseSequenceCommitment(&tctx)
if err != nil {
return nil, err
}
proof, err := endorseCommitment(&tctx, cp, e)
if err != nil {
return nil, err
}
h := fabrictypes.NewChaincodeHeader(seq.Value, seq.Timestamp, *proof)
return fabrictypes.NewHeader(&h, nil, nil), nil
}
// ConnectionOpenInit will construct and execute a MsgConnectionOpenInit.
func (chain *TestChain) ConnectionOpenInit(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error {
msg := connectiontypes.NewMsgConnectionOpenInit(
connection.ID, connection.ClientID,
counterpartyConnection.ID, connection.CounterpartyClientID,
counterparty.GetPrefix(), DefaultOpenInitVersion,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// ConnectionOpenTry will construct and execute a MsgConnectionOpenTry.
func (chain *TestChain) ConnectionOpenTry(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error {
counterpartyClient, proofClient := counterparty.QueryClientStateProof(counterpartyConnection.ClientID)
connectionKey := host.KeyConnection(counterpartyConnection.ID)
proofInit, proofHeight := counterparty.QueryProof(connectionKey)
proofConsensus, consensusHeight := counterparty.QueryConsensusStateProof(counterpartyConnection.ClientID)
msg := connectiontypes.NewMsgConnectionOpenTry(
connection.ID, connection.ID, connection.ClientID, // testing doesn't use flexible selection
counterpartyConnection.ID, counterpartyConnection.ClientID,
counterpartyClient, counterparty.GetPrefix(), []*connectiontypes.Version{ConnectionVersion},
proofInit, proofClient, proofConsensus,
proofHeight, consensusHeight,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// ConnectionOpenAck will construct and execute a MsgConnectionOpenAck.
func (chain *TestChain) ConnectionOpenAck(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error {
counterpartyClient, proofClient := counterparty.QueryClientStateProof(counterpartyConnection.ClientID)
connectionKey := host.KeyConnection(counterpartyConnection.ID)
proofTry, proofHeight := counterparty.QueryProof(connectionKey)
proofConsensus, consensusHeight := counterparty.QueryConsensusStateProof(counterpartyConnection.ClientID)
msg := connectiontypes.NewMsgConnectionOpenAck(
connection.ID, counterpartyConnection.ID, counterpartyClient, // testing doesn't use flexible selection
proofTry, proofClient, proofConsensus,
proofHeight, consensusHeight,
ConnectionVersion,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// ConnectionOpenConfirm will construct and execute a MsgConnectionOpenConfirm.
func (chain *TestChain) ConnectionOpenConfirm(
counterparty TestChainI,
connection, counterpartyConnection *ibctesting.TestConnection,
) error {
connectionKey := host.KeyConnection(counterpartyConnection.ID)
proof, height := counterparty.QueryProof(connectionKey)
msg := connectiontypes.NewMsgConnectionOpenConfirm(
connection.ID,
proof, height,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// CreatePortCapability binds and claims a capability for the given portID if it does not
// already exist. This function will fail testing on any resulting error.
// NOTE: only creation of a capbility for a transfer or mock port is supported
// Other applications must bind to the port in InitGenesis or modify this code.
func (chain *TestChain) CreatePortCapability(portID string) {
// check if the portId is already binded, if not bind it
_, ok := chain.App.ScopedIBCKeeper.GetCapability(chain.GetContext(), host.PortPath(portID))
if !ok {
// create capability using the IBC capability keeper
cap, err := chain.App.ScopedIBCKeeper.NewCapability(chain.GetContext(), host.PortPath(portID))
require.NoError(chain.t, err)
switch portID {
case MockPort:
// claim capability using the mock capability keeper
err = chain.App.ScopedIBCMockKeeper.ClaimCapability(chain.GetContext(), cap, host.PortPath(portID))
require.NoError(chain.t, err)
case TransferPort:
// claim capability using the transfer capability keeper
err = chain.App.ScopedTransferKeeper.ClaimCapability(chain.GetContext(), cap, host.PortPath(portID))
require.NoError(chain.t, err)
default:
panic(fmt.Sprintf("unsupported ibc testing package port ID %s", portID))
}
}
// FIXME how do we implement commit?
// chain.App.Commit()
chain.NextBlock()
}
// GetPortCapability returns the port capability for the given portID. The capability must
// exist, otherwise testing will fail.
func (chain *TestChain) GetPortCapability(portID string) *capabilitytypes.Capability {
cap, ok := chain.App.ScopedIBCKeeper.GetCapability(chain.GetContext(), host.PortPath(portID))
require.True(chain.t, ok)
return cap
}
// CreateChannelCapability binds and claims a capability for the given portID and channelID
// if it does not already exist. This function will fail testing on any resulting error.
func (chain *TestChain) CreateChannelCapability(portID, channelID string) {
capName := host.ChannelCapabilityPath(portID, channelID)
// check if the portId is already binded, if not bind it
_, ok := chain.App.ScopedIBCKeeper.GetCapability(chain.GetContext(), capName)
if !ok {
cap, err := chain.App.ScopedIBCKeeper.NewCapability(chain.GetContext(), capName)
require.NoError(chain.t, err)
err = chain.App.ScopedTransferKeeper.ClaimCapability(chain.GetContext(), cap, capName)
require.NoError(chain.t, err)
}
// FIXME how do we implement commit?
// chain.App.Commit()
chain.NextBlock()
}
// GetChannelCapability returns the channel capability for the given portID and channelID.
// The capability must exist, otherwise testing will fail.
func (chain *TestChain) GetChannelCapability(portID, channelID string) *capabilitytypes.Capability {
cap, ok := chain.App.ScopedIBCKeeper.GetCapability(chain.GetContext(), host.ChannelCapabilityPath(portID, channelID))
require.True(chain.t, ok)
return cap
}
// ChanOpenInit will construct and execute a MsgChannelOpenInit.
func (chain *TestChain) ChanOpenInit(
ch, counterparty ibctesting.TestChannel,
order channeltypes.Order,
connectionID string,
) error {
msg := channeltypes.NewMsgChannelOpenInit(
ch.PortID, ch.ID,
ch.Version, order, []string{connectionID},
counterparty.PortID, counterparty.ID,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// ChanOpenTry will construct and execute a MsgChannelOpenTry.
func (chain *TestChain) ChanOpenTry(
counterparty TestChainI,
ch, counterpartyCh ibctesting.TestChannel,
order channeltypes.Order,
connectionID string,
) error {
proof, height := counterparty.QueryProof(host.KeyChannel(counterpartyCh.PortID, counterpartyCh.ID))
msg := channeltypes.NewMsgChannelOpenTry(
ch.PortID, ch.ID, ch.ID, // testing doesn't use flexible selection
ch.Version, order, []string{connectionID},
counterpartyCh.PortID, counterpartyCh.ID,
counterpartyCh.Version,
proof, height,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// ChanOpenAck will construct and execute a MsgChannelOpenAck.
func (chain *TestChain) ChanOpenAck(
counterparty TestChainI,
ch, counterpartyCh ibctesting.TestChannel,
) error {
proof, height := counterparty.QueryProof(host.KeyChannel(counterpartyCh.PortID, counterpartyCh.ID))
msg := channeltypes.NewMsgChannelOpenAck(
ch.PortID, ch.ID,
counterpartyCh.ID, counterpartyCh.Version, // testing doesn't use flexible selection
proof, height,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// ChanOpenConfirm will construct and execute a MsgChannelOpenConfirm.
func (chain *TestChain) ChanOpenConfirm(
counterparty TestChainI,
ch, counterpartyCh ibctesting.TestChannel,
) error {
proof, height := counterparty.QueryProof(host.KeyChannel(counterpartyCh.PortID, counterpartyCh.ID))
msg := channeltypes.NewMsgChannelOpenConfirm(
ch.PortID, ch.ID,
proof, height,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// ChanCloseInit will construct and execute a MsgChannelCloseInit.
//
// NOTE: does not work with ibc-transfer module
func (chain *TestChain) ChanCloseInit(
counterparty TestChainI,
channel ibctesting.TestChannel,
) error {
msg := channeltypes.NewMsgChannelCloseInit(
channel.PortID, channel.ID,
chain.SenderAccount.GetAddress(),
)
return chain.sendMsgs(msg)
}
// GetPacketData returns a ibc-transfer marshalled packet to be used for
// callback testing.
func (chain *TestChain) GetPacketData(counterparty TestChainI) []byte {
packet := ibctransfertypes.FungibleTokenPacketData{
Denom: TestCoin.Denom,
Amount: TestCoin.Amount.Uint64(),
Sender: chain.SenderAccount.GetAddress().String(),
Receiver: counterparty.GetSenderAccount().GetAddress().String(),
}
return packet.GetBytes()
}
// SendPacket simulates sending a packet through the channel keeper. No message needs to be
// passed since this call is made from a module.
func (chain *TestChain) SendPacket(
packet exported.PacketI,
) error {
ctx, writer := chain.GetContext().CacheContext()
channelCap := chain.GetChannelCapability(packet.GetSourcePort(), packet.GetSourceChannel())
// no need to send message, acting as a module
err := chain.App.IBCKeeper.ChannelKeeper.SendPacket(ctx, channelCap, packet)
if err != nil {
return err
}
// commit changes
writer()
chain.NextBlock()
return nil
}
// WriteAcknowledgement simulates writing an acknowledgement to the chain.
func (chain *TestChain) WriteAcknowledgement(
packet exported.PacketI,
) error {
channelCap := chain.GetChannelCapability(packet.GetDestPort(), packet.GetDestChannel())
// no need to send message, acting as a handler
err := chain.App.IBCKeeper.ChannelKeeper.WriteAcknowledgement(chain.GetContext(), channelCap, packet, TestHash)
if err != nil {
return err
}
// commit changes
// FIXME how do we implement commit?
// chain.App.Commit()
chain.NextBlock()
return nil
}
// GetPrefix returns the prefix for used by a chain in connection creation
func (chain *TestChain) GetPrefix() commitmenttypes.MerklePrefix {
return commitmenttypes.NewMerklePrefix(chain.App.IBCKeeper.ConnectionKeeper.GetCommitmentPrefix().Bytes())
}
// sendMsgs delivers a transaction through the application without returning the result.
func (chain *TestChain) sendMsgs(msgs ...sdk.Msg) error {
_, err := chain.SendMsgs(msgs...)
return err
}
// SendMsgs delivers a transaction through the application. It updates the senders sequence
// number and updates the TestChain's headers. It returns the result and error if one
// occurred.
func (chain *TestChain) SendMsgs(msgs ...sdk.Msg) (*sdk.Result, error) {
switch chain.txSignMode {
case TxSignModeStdTx:
return chain.sendMsgsWithStdTx(msgs...)
case TxSignModeFabricTx:
return chain.sendMsgsWithFabricTx(msgs...)
default:
return nil, fmt.Errorf("unknown txSignMode '%v'", chain.txSignMode)
}
}
func (chain *TestChain) sendMsgsWithStdTx(msgs ...sdk.Msg) (*sdk.Result, error) {
marshaler := codec.NewProtoCodec(chain.App.InterfaceRegistry())
cfg := authtx.NewTxConfig(marshaler, []signing.SignMode{signing.SignMode_SIGN_MODE_DIRECT})
txBuilder := cfg.NewTxBuilder()
require.NoError(chain.t, txBuilder.SetMsgs(msgs...))
sig := signing.SignatureV2{
PubKey: chain.SenderAccount.GetPubKey(),
Data: &signing.SingleSignatureData{
SignMode: signing.SignMode_SIGN_MODE_DIRECT,
},
Sequence: chain.SenderAccount.GetSequence(),
}
require.NoError(chain.t, txBuilder.SetSignatures(sig))
tx := txBuilder.GetTx()
bz, err := cfg.TxJSONEncoder()(tx)
require.NoError(chain.t, err)
res, err := chain.CC.HandleTx(chain.GetFabricContext(), string(bz))
require.NoError(chain.t, err)
var events []abci.Event
require.NoError(chain.t, json.Unmarshal([]byte(res.Events), &events))
// increment sequence for successful transaction execution
chain.SenderAccount.SetSequence(chain.SenderAccount.GetSequence() + 1)
return &sdk.Result{Data: []byte(res.Data), Log: res.Log, Events: events}, nil
}
func (chain *TestChain) sendMsgsWithFabricTx(msgs ...sdk.Msg) (*sdk.Result, error) {
marshaler := codec.NewProtoCodec(chain.App.InterfaceRegistry())
cfg := authtx.NewTxConfig(marshaler, []signing.SignMode{signing.SignMode_SIGN_MODE_DIRECT})
txBuilder := cfg.NewTxBuilder()
require.NoError(chain.t, txBuilder.SetMsgs(msgs...))
sig := signing.SignatureV2{
PubKey: chain.SenderAccount.GetPubKey(),
Data: &signing.SingleSignatureData{
SignMode: signing.SignMode_SIGN_MODE_DIRECT,
},
Sequence: chain.SenderAccount.GetSequence(),
}
require.NoError(chain.t, txBuilder.SetSignatures(sig))
tx := txBuilder.GetTx()
bz, err := cfg.TxJSONEncoder()(tx)
require.NoError(chain.t, err)
chain.Stub.GetCreatorStub = func() ([]byte, error) {
return proto.Marshal(getTestId())
}
res, err := chain.CC.HandleTx(chain.GetFabricContext(), string(bz))
require.NoError(chain.t, err)
var events []abci.Event
require.NoError(chain.t, json.Unmarshal([]byte(res.Events), &events))
return &sdk.Result{Data: []byte(res.Data), Log: res.Log, Events: events}, nil
}
// GetClientState retrieves the client state for the provided clientID. The client is
// expected to exist otherwise testing will fail.
func (chain *TestChain) GetClientState(clientID string) exported.ClientState {
clientState, found := chain.App.IBCKeeper.ClientKeeper.GetClientState(chain.GetContext(), clientID)
require.True(chain.t, found)
return clientState
}
// GetConsensusState retrieves the consensus state for the provided clientID and height.
// It will return a success boolean depending on if consensus state exists or not.
func (chain *TestChain) GetConsensusState(clientID string, height exported.Height) (exported.ConsensusState, bool) {
return chain.App.IBCKeeper.ClientKeeper.GetClientConsensusState(chain.GetContext(), clientID, height)
}
// GetConnection retrieves an IBC Connection for the provided TestConnection. The
// connection is expected to exist otherwise testing will fail.
func (chain *TestChain) GetConnection(testConnection *ibctesting.TestConnection) connectiontypes.ConnectionEnd {
connection, found := chain.App.IBCKeeper.ConnectionKeeper.GetConnection(chain.GetContext(), testConnection.ID)
require.True(chain.t, found)
return connection
}
// GetChannel retrieves an IBC Channel for the provided TestChannel. The channel
// is expected to exist otherwise testing will fail.
func (chain *TestChain) GetChannel(testChannel ibctesting.TestChannel) channeltypes.Channel {
channel, found := chain.App.IBCKeeper.ChannelKeeper.GetChannel(chain.GetContext(), testChannel.PortID, testChannel.ID)
require.True(chain.t, found)
return channel
}
// GetAcknowledgement retrieves an acknowledgement for the provided packet. If the
// acknowledgement does not exist then testing will fail.
func (chain *TestChain) GetAcknowledgement(packet exported.PacketI) []byte {
ack, found := chain.App.IBCKeeper.ChannelKeeper.GetPacketAcknowledgement(chain.GetContext(), packet.GetDestPort(), packet.GetDestChannel(), packet.GetSequence())
require.True(chain.t, found)
return ack
}
// NewClientID appends a new clientID string in the format:
// ClientFor<counterparty-chain-id><index>
func (chain *TestChain) NewClientID(counterpartyChainID string) string {
clientID := "client" + strconv.Itoa(len(chain.ClientIDs)) + "For" + counterpartyChainID
chain.ClientIDs = append(chain.ClientIDs, clientID)
return clientID
}
// GetFirstTestConnection returns the first test connection for a given clientID.
// The connection may or may not exist in the chain state.
func (chain *TestChain) GetFirstTestConnection(clientID, counterpartyClientID string) *ibctesting.TestConnection {
if len(chain.Connections) > 0 {
return chain.Connections[0]
}
return chain.ConstructNextTestConnection(clientID, counterpartyClientID)
}
// ConstructMsgCreateClient constructs a message to create a new client state (tendermint or solomachine).
// NOTE: a solo machine client will be created with an empty diversifier.
func (chain *TestChain) ConstructMsgCreateClient(counterparty TestChainI, clientID string, clientType string) *clienttypes.MsgCreateClient {
var (
clientState exported.ClientState
consensusState exported.ConsensusState
)
switch clientType {
case Tendermint:
height := counterparty.GetLastHeader().GetHeight().(clienttypes.Height)
clientState = ibctmtypes.NewClientState(
counterparty.GetChainID(), DefaultTrustLevel, TrustingPeriod, UnbondingPeriod, MaxClockDrift,
height, counterparty.GetApp().(simapp.SimApp).GetConsensusParams(counterparty.GetContext()), commitmenttypes.GetSDKSpecs(),
UpgradePath, false, false,
)
consensusState = counterparty.GetLastHeader().ConsensusState()
case SoloMachine:
solo := ibctesting.NewSolomachine(chain.t, chain.Codec, clientID, "", 1)
clientState = solo.ClientState()
consensusState = solo.ConsensusState()
case Fabric:
clientState = chain.NewFabricClientState(counterparty, clientID)
consensusState = chain.NewFabricConsensusState(counterparty)
default:
chain.t.Fatalf("unsupported client state type %s", clientType)
}
msg, err := clienttypes.NewMsgCreateClient(
clientID, clientState, consensusState, chain.SenderAccount.GetAddress(),
)
require.NoError(chain.t, err)
return msg
}
// ExpireClient fast forwards the chain's block time by the provided amount of time which will
// expire any clients with a trusting period less than or equal to this amount of time.
func (chain *TestChain) ExpireClient(amount time.Duration) {
chain.CurrentHeader.Time = chain.CurrentHeader.Time.Add(amount)
}