0g-chain/internal/x/paychan/keeper_test.go
2018-08-28 23:45:26 -04:00

266 lines
7.8 KiB
Go

package paychan
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/stretchr/testify/assert"
//"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto"
"testing"
)
func TestKeeper(t *testing.T) {
t.Run("CreateChannel", func(t *testing.T) {
//
////// SETUP
// create basic mock app
ctx, coinKeeper, channelKeeper, addrs, genAccFunding := createMockApp()
sender := addrs[0]
receiver := addrs[1]
coins := sdk.Coins{sdk.NewCoin("KVA", 10)}
//
////// ACTION
_, err := channelKeeper.CreateChannel(ctx, sender, receiver, coins)
//
////// CHECK RESULTS
assert.Nil(t, err)
// channel exists with correct attributes
channelID := ChannelID(0) // should be 0 as first channel
expectedChan := Channel{
ID: channelID,
Participants: [2]sdk.AccAddress{sender, receiver},
Coins: coins,
}
createdChan, _ := channelKeeper.getChannel(ctx, channelID)
assert.Equal(t, expectedChan, createdChan)
// check coins deducted from sender
assert.Equal(t, genAccFunding.Minus(coins), coinKeeper.GetCoins(ctx, sender))
// check no coins deducted from receiver
assert.Equal(t, genAccFunding, coinKeeper.GetCoins(ctx, receiver))
// check next chan id
assert.Equal(t, ChannelID(1), channelKeeper.getNewChannelID(ctx))
})
t.Run("ReceiverCloseChannel", func(t *testing.T) {
// SETUP
ctx, coinKeeper, channelKeeper, addrs, genAccFunding := createMockApp()
sender := addrs[0]
receiver := addrs[1]
coins := sdk.Coins{sdk.NewCoin("KVA", 10)}
// create new channel
channelID := ChannelID(0) // should be 0 as first channel
channel := Channel{
ID: channelID,
Participants: [2]sdk.AccAddress{sender, receiver},
Coins: coins,
}
channelKeeper.setChannel(ctx, channel)
// create closing update
payouts := Payouts{
{sender, sdk.Coins{sdk.NewCoin("KVA", 3)}},
{receiver, sdk.Coins{sdk.NewCoin("KVA", 7)}},
}
update := Update{
ChannelID: channelID,
Payouts: payouts,
Sequence: 0,
Sigs: [1]crypto.Signature{},
}
// Set empty submittedUpdatesQueue TODO work out proper genesis initialisation
channelKeeper.setSubmittedUpdatesQueue(ctx, SubmittedUpdatesQueue{})
// ACTION
_, err := channelKeeper.CloseChannelByReceiver(ctx, update)
// CHECK RESULTS
// no error
assert.Nil(t, err)
// coins paid out
senderPayout, _ := payouts.Get(sender)
assert.Equal(t, genAccFunding.Plus(senderPayout), coinKeeper.GetCoins(ctx, sender))
receiverPayout, _ := payouts.Get(receiver)
assert.Equal(t, genAccFunding.Plus(receiverPayout), coinKeeper.GetCoins(ctx, receiver))
// channel deleted
_, found := channelKeeper.getChannel(ctx, channelID)
assert.False(t, found)
})
t.Run("SenderInitCloseChannel", func(t *testing.T) {
// SETUP
ctx, _, channelKeeper, addrs, _ := createMockApp()
sender := addrs[0]
receiver := addrs[1]
coins := sdk.Coins{sdk.NewCoin("KVA", 10)}
// create new channel
channelID := ChannelID(0) // should be 0 as first channel
channel := Channel{
ID: channelID,
Participants: [2]sdk.AccAddress{sender, receiver},
Coins: coins,
}
channelKeeper.setChannel(ctx, channel)
// create closing update
payouts := Payouts{
{sender, sdk.Coins{sdk.NewCoin("KVA", 3)}},
{receiver, sdk.Coins{sdk.NewCoin("KVA", 7)}},
}
update := Update{
ChannelID: channelID,
Payouts: payouts,
Sequence: 0,
Sigs: [1]crypto.Signature{},
}
// Set empty submittedUpdatesQueue TODO work out proper genesis initialisation
channelKeeper.setSubmittedUpdatesQueue(ctx, SubmittedUpdatesQueue{})
// ACTION
_, err := channelKeeper.InitCloseChannelBySender(ctx, update)
// CHECK RESULTS
// no error
assert.Nil(t, err)
// submittedupdate in queue and correct
suq, found := channelKeeper.getSubmittedUpdatesQueue(ctx)
assert.True(t, found)
assert.True(t, suq.Contains(channelID))
su, found := channelKeeper.getSubmittedUpdate(ctx, channelID)
assert.True(t, found)
expectedSubmittedUpdate := SubmittedUpdate{
Update: update,
ExecutionTime: ChannelDisputeTime,
}
assert.Equal(t, expectedSubmittedUpdate, su)
// TODO check channel is still in db and coins haven't changed?
})
}
/*
func setupMultiStore() (sdk.MultiStore, *sdk.KVStoreKey, *sdk.KVStoreKey) {
// create db
db := dbm.NewMemDB()
// create keys
authKey := sdk.NewKVStoreKey("authkey")
paychanKey := sdk.NewKVStoreKey("paychankey")
// create new multistore around db
ms := store.NewCommitMultiStore(db) // DB handle plus store key maps
// register separate stores in the multistore
ms.MountStoreWithDB(authKey, sdk.StoreTypeIAVL, db) // sets store key map
ms.MountStoreWithDB(paychanKey, sdk.StoreTypeIAVL, db)
ms.LoadLatestVersion()
return ms, authKey, paychanKey
}
func setupCodec() *wire.Codec {
cdc := wire.NewCodec()
auth.RegisterBaseAccount(cdc)
// TODO might need to register paychan struct
return cdc
}
func TestKeeper(t *testing.T) {
// Setup
// create multistore and key
ms, authKey, paychanKey := setupMultiStore()
// create and initialise codec(s)
cdc := setupCodec()
// create context
ctx := sdk.NewContext(ms, abci.Header{}, false, nil, log.NewNopLogger())
// create accountMapper
accountMapper := auth.NewAccountMapper(cdc, authKey, &auth.BaseAccount{})
// create coinkeeper
coinKeeper := bank.NewKeeper(accountMapper)
// create keeper
paychanKeeper := NewKeeper(cdc, paychanKey, coinKeeper)
// Test no paychans exist
_, exists := paychanKeeper.GetPaychan(ctx, sdk.Address{}, sdk.Address{}, 0)
if exists {
t.Error("payment channel found when none exist")
}
// Test paychan can be set and get
p := Paychan{
Sender: sdk.Address([]byte("senderAddress")),
Receiver: sdk.Address([]byte("receiverAddress")),
Id: 0,
Balance: sdk.Coins{{"KVA", 100}},
}
paychanKeeper.setPaychan(ctx, p)
_, exists = paychanKeeper.GetPaychan(ctx, p.Sender, p.Receiver, p.Id)
if !exists {
t.Error("payment channel not found")
}
// Test create paychan under normal conditions
senderAddress := sdk.Address([]byte("senderAddress"))
senderFunds := sdk.Coins{{"KVA", 100}}
receiverAddress := sdk.Address([]byte("receiverAddress"))
balance := sdk.Coins{{"KVA", 10}}
coinKeeper.SetCoins(ctx, senderAddress, senderFunds)
_, err := paychanKeeper.CreatePaychan(ctx, senderAddress, receiverAddress, balance)
if err != nil {
t.Error("unexpected error created payment channel", err)
}
p, exists = paychanKeeper.GetPaychan(ctx, senderAddress, receiverAddress, 0)
if !exists {
t.Error("payment channel missing")
}
if !p.Balance.IsEqual(balance) {
t.Error("payment channel balance incorrect", p.Balance, balance)
}
expectedNewSenderFunds := senderFunds.Minus(balance)
if !coinKeeper.GetCoins(ctx, senderAddress).IsEqual(expectedNewSenderFunds) {
t.Error("sender has incorrect balance after paychan creation")
}
// Test close paychan under normal conditions
senderFunds = coinKeeper.GetCoins(ctx, senderAddress)
receiverAmount := sdk.Coins{{"KVA", 9}}
_, err = paychanKeeper.ClosePaychan(ctx, senderAddress, receiverAddress, 0, receiverAmount)
if err != nil {
t.Error("unexpected error closing payment channel", err)
}
// paychan shouldn't exist
_, exists = paychanKeeper.GetPaychan(ctx, senderAddress, receiverAddress, 0)
if exists {
t.Error("payment channel should not exist")
}
// sender's funds should have increased
expectedNewSenderFunds = senderFunds.Plus(balance.Minus(receiverAmount))
if !coinKeeper.GetCoins(ctx, senderAddress).IsEqual(expectedNewSenderFunds) {
t.Error("sender has incorrect balance after paychan creation", expectedNewSenderFunds)
}
// receiver's funds should have increased
expectedNewReceiverFunds := receiverAmount // started at zero
if !coinKeeper.GetCoins(ctx, receiverAddress).IsEqual(expectedNewReceiverFunds) {
t.Error("receiver has incorrect balance after paychan creation")
}
}
*/