304 lines
10 KiB
Go
304 lines
10 KiB
Go
package transfer_test
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import (
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/suite"
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abci "github.com/tendermint/tendermint/abci/types"
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tmtypes "github.com/tendermint/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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connectionexported "github.com/cosmos/cosmos-sdk/x/ibc/03-connection/exported"
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connectiontypes "github.com/cosmos/cosmos-sdk/x/ibc/03-connection/types"
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channelexported "github.com/cosmos/cosmos-sdk/x/ibc/04-channel/exported"
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channeltypes "github.com/cosmos/cosmos-sdk/x/ibc/04-channel/types"
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ibctmtypes "github.com/cosmos/cosmos-sdk/x/ibc/07-tendermint/types"
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transfer "github.com/cosmos/cosmos-sdk/x/ibc/20-transfer"
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"github.com/cosmos/cosmos-sdk/x/ibc/20-transfer/types"
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commitmenttypes "github.com/cosmos/cosmos-sdk/x/ibc/23-commitment/types"
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ibctypes "github.com/cosmos/cosmos-sdk/x/ibc/types"
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"github.com/cosmos/cosmos-sdk/x/staking"
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"github.com/cosmos/cosmos-sdk/x/supply"
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)
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// define constants used for testing
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const (
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testClientIDA = "testclientida"
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testClientIDB = "testclientidb"
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testConnection = "testconnection"
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testPort1 = "bank"
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testPort2 = "testportid"
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testChannel1 = "firstchannel"
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testChannel2 = "secondchannel"
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trustingPeriod time.Duration = time.Hour * 24 * 7 * 2
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ubdPeriod time.Duration = time.Hour * 24 * 7 * 3
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)
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// define variables used for testing
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var (
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testAddr1 = sdk.AccAddress([]byte("testaddr1"))
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testAddr2 = sdk.AccAddress([]byte("testaddr2"))
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testCoins, _ = sdk.ParseCoins("100atom")
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testPrefixedCoins1, _ = sdk.ParseCoins(fmt.Sprintf("100%satom", types.GetDenomPrefix(testPort1, testChannel1)))
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testPrefixedCoins2, _ = sdk.ParseCoins(fmt.Sprintf("100%satom", types.GetDenomPrefix(testPort2, testChannel2)))
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)
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type HandlerTestSuite struct {
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suite.Suite
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cdc *codec.Codec
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chainA *TestChain
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chainB *TestChain
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}
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func (suite *HandlerTestSuite) SetupTest() {
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suite.chainA = NewTestChain(testClientIDA)
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suite.chainB = NewTestChain(testClientIDB)
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suite.cdc = suite.chainA.App.Codec()
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}
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func (suite *HandlerTestSuite) TestHandleMsgTransfer() {
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handler := transfer.NewHandler(suite.chainA.App.TransferKeeper)
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// create channel capability from ibc scoped keeper and claim with transfer scoped keeper
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capName := ibctypes.ChannelCapabilityPath(testPort1, testChannel1)
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cap, err := suite.chainA.App.ScopedIBCKeeper.NewCapability(suite.chainA.GetContext(), capName)
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suite.Require().Nil(err, "could not create capability")
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err = suite.chainA.App.ScopedTransferKeeper.ClaimCapability(suite.chainA.GetContext(), cap, capName)
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suite.Require().Nil(err, "transfer module could not claim capability")
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ctx := suite.chainA.GetContext()
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msg := transfer.NewMsgTransfer(testPort1, testChannel1, 10, testPrefixedCoins2, testAddr1, testAddr2)
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res, err := handler(ctx, msg)
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suite.Require().Error(err)
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suite.Require().Nil(res, "%+v", res) // channel does not exist
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// Setup channel from A to B
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suite.chainA.CreateClient(suite.chainB)
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suite.chainA.createConnection(testConnection, testConnection, testClientIDB, testClientIDA, connectionexported.OPEN)
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suite.chainA.createChannel(testPort1, testChannel1, testPort2, testChannel2, channelexported.OPEN, channelexported.ORDERED, testConnection)
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res, err = handler(ctx, msg)
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suite.Require().Error(err)
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suite.Require().Nil(res, "%+v", res) // next send sequence not found
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nextSeqSend := uint64(1)
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suite.chainA.App.IBCKeeper.ChannelKeeper.SetNextSequenceSend(ctx, testPort1, testChannel1, nextSeqSend)
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res, err = handler(ctx, msg)
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suite.Require().Error(err)
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suite.Require().Nil(res, "%+v", res) // sender has insufficient coins
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_ = suite.chainA.App.BankKeeper.SetBalances(ctx, testAddr1, testCoins)
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res, err = handler(ctx, msg)
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suite.Require().NoError(err)
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suite.Require().NotNil(res, "%+v", res) // successfully executed
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// test when the source is false
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msg = transfer.NewMsgTransfer(testPort1, testChannel1, 10, testPrefixedCoins2, testAddr1, testAddr2)
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_ = suite.chainA.App.BankKeeper.SetBalances(ctx, testAddr1, testPrefixedCoins2)
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res, err = handler(ctx, msg)
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suite.Require().Error(err)
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suite.Require().Nil(res, "%+v", res) // incorrect denom prefix
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msg = transfer.NewMsgTransfer(testPort1, testChannel1, 10, testPrefixedCoins1, testAddr1, testAddr2)
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suite.chainA.App.SupplyKeeper.SetSupply(ctx, supply.NewSupply(testPrefixedCoins1))
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_ = suite.chainA.App.BankKeeper.SetBalances(ctx, testAddr1, testPrefixedCoins1)
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res, err = handler(ctx, msg)
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suite.Require().NoError(err)
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suite.Require().NotNil(res, "%+v", res) // successfully executed
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}
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func TestHandlerTestSuite(t *testing.T) {
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suite.Run(t, new(HandlerTestSuite))
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}
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type TestChain struct {
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ClientID string
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App *simapp.SimApp
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Header ibctmtypes.Header
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Vals *tmtypes.ValidatorSet
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Signers []tmtypes.PrivValidator
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}
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func NewTestChain(clientID string) *TestChain {
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privVal := tmtypes.NewMockPV()
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validator := tmtypes.NewValidator(privVal.GetPubKey(), 1)
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valSet := tmtypes.NewValidatorSet([]*tmtypes.Validator{validator})
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signers := []tmtypes.PrivValidator{privVal}
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now := time.Date(2020, 1, 2, 0, 0, 0, 0, time.UTC)
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header := ibctmtypes.CreateTestHeader(clientID, 1, now, valSet, signers)
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return &TestChain{
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ClientID: clientID,
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App: simapp.Setup(false),
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Header: header,
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Vals: valSet,
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Signers: signers,
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}
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}
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// Creates simple context for testing purposes
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func (chain *TestChain) GetContext() sdk.Context {
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return chain.App.BaseApp.NewContext(false, abci.Header{ChainID: chain.Header.ChainID, Height: chain.Header.Height})
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}
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// createClient will create a client for clientChain on targetChain
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func (chain *TestChain) CreateClient(client *TestChain) error {
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client.Header = nextHeader(client)
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// Commit and create a new block on appTarget to get a fresh CommitID
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client.App.Commit()
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commitID := client.App.LastCommitID()
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client.App.BeginBlock(abci.RequestBeginBlock{Header: abci.Header{Height: client.Header.Height, Time: client.Header.Time}})
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// Set HistoricalInfo on client chain after Commit
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ctxClient := client.GetContext()
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validator := staking.NewValidator(
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sdk.ValAddress(client.Vals.Validators[0].Address), client.Vals.Validators[0].PubKey, staking.Description{},
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)
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validator.Status = sdk.Bonded
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validator.Tokens = sdk.NewInt(1000000) // get one voting power
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validators := []staking.Validator{validator}
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histInfo := staking.HistoricalInfo{
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Header: abci.Header{
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AppHash: commitID.Hash,
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},
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Valset: validators,
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}
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client.App.StakingKeeper.SetHistoricalInfo(ctxClient, client.Header.Height, histInfo)
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// Create target ctx
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ctxTarget := chain.GetContext()
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// create client
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clientState, err := ibctmtypes.Initialize(client.ClientID, trustingPeriod, ubdPeriod, client.Header)
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if err != nil {
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return err
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}
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_, err = chain.App.IBCKeeper.ClientKeeper.CreateClient(ctxTarget, clientState, client.Header.ConsensusState())
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if err != nil {
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return err
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}
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return nil
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// _, _, err := simapp.SignCheckDeliver(
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// suite.T(),
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// suite.cdc,
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// suite.app.BaseApp,
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// ctx.BlockHeader(),
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// []sdk.Msg{clienttypes.NewMsgCreateClient(clientID, clientexported.ClientTypeTendermint, consState, accountAddress)},
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// []uint64{baseAccount.GetAccountNumber()},
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// []uint64{baseAccount.GetSequence()},
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// true, true, accountPrivKey,
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// )
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}
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// nolint: unused
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func (chain *TestChain) updateClient(client *TestChain) {
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// Create target ctx
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ctxTarget := chain.GetContext()
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// if clientState does not already exist, return without updating
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_, found := chain.App.IBCKeeper.ClientKeeper.GetClientState(
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ctxTarget, client.ClientID,
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)
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if !found {
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return
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}
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// always commit when updateClient and begin a new block
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client.App.Commit()
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commitID := client.App.LastCommitID()
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client.Header = nextHeader(client)
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client.App.BeginBlock(abci.RequestBeginBlock{Header: abci.Header{Height: client.Header.Height, Time: client.Header.Time}})
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// Set HistoricalInfo on client chain after Commit
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ctxClient := client.GetContext()
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validator := staking.NewValidator(
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sdk.ValAddress(client.Vals.Validators[0].Address), client.Vals.Validators[0].PubKey, staking.Description{},
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)
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validator.Status = sdk.Bonded
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validator.Tokens = sdk.NewInt(1000000)
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validators := []staking.Validator{validator}
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histInfo := staking.HistoricalInfo{
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Header: abci.Header{
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AppHash: commitID.Hash,
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},
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Valset: validators,
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}
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client.App.StakingKeeper.SetHistoricalInfo(ctxClient, client.Header.Height, histInfo)
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consensusState := ibctmtypes.ConsensusState{
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Height: uint64(client.Header.Height),
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Timestamp: client.Header.Time,
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Root: commitmenttypes.NewMerkleRoot(commitID.Hash),
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ValidatorSet: client.Vals,
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}
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chain.App.IBCKeeper.ClientKeeper.SetClientConsensusState(
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ctxTarget, client.ClientID, uint64(client.Header.Height), consensusState,
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)
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chain.App.IBCKeeper.ClientKeeper.SetClientState(
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ctxTarget, ibctmtypes.NewClientState(client.ClientID, trustingPeriod, ubdPeriod, client.Header),
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)
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// _, _, err := simapp.SignCheckDeliver(
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// suite.T(),
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// suite.cdc,
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// suite.app.BaseApp,
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// ctx.BlockHeader(),
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// []sdk.Msg{clienttypes.NewMsgUpdateClient(clientID, suite.header, accountAddress)},
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// []uint64{baseAccount.GetAccountNumber()},
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// []uint64{baseAccount.GetSequence()},
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// true, true, accountPrivKey,
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// )
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// suite.Require().NoError(err)
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}
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func (chain *TestChain) createConnection(
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connID, counterpartyConnID, clientID, counterpartyClientID string,
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state connectionexported.State,
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) connectiontypes.ConnectionEnd {
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counterparty := connectiontypes.NewCounterparty(counterpartyClientID, counterpartyConnID, chain.App.IBCKeeper.ConnectionKeeper.GetCommitmentPrefix())
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connection := connectiontypes.ConnectionEnd{
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State: state,
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ClientID: clientID,
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Counterparty: counterparty,
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Versions: connectiontypes.GetCompatibleVersions(),
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}
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ctx := chain.GetContext()
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chain.App.IBCKeeper.ConnectionKeeper.SetConnection(ctx, connID, connection)
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return connection
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}
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// nolint: unused
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func (chain *TestChain) createChannel(
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portID, channelID, counterpartyPortID, counterpartyChannelID string,
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state channelexported.State, order channelexported.Order, connectionID string,
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) channeltypes.Channel {
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counterparty := channeltypes.NewCounterparty(counterpartyPortID, counterpartyChannelID)
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channel := channeltypes.NewChannel(state, order, counterparty,
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[]string{connectionID}, "1.0",
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)
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ctx := chain.GetContext()
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chain.App.IBCKeeper.ChannelKeeper.SetChannel(ctx, portID, channelID, channel)
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return channel
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}
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func nextHeader(chain *TestChain) ibctmtypes.Header {
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return ibctmtypes.CreateTestHeader(chain.Header.ChainID, chain.Header.Height+1,
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chain.Header.Time.Add(time.Minute), chain.Vals, chain.Signers)
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}
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