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paychget_test.go
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paychget_test.go
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package paychmgr
import (
"context"
"sync"
"testing"
"time"
cborrpc "github.com/filecoin-project/go-cbor-util"
"github.com/ipfs/go-cid"
ds "github.com/ipfs/go-datastore"
ds_sync "github.com/ipfs/go-datastore/sync"
"github.com/stretchr/testify/require"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/specs-actors/v2/actors/builtin"
init2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/init"
tutils "github.com/filecoin-project/specs-actors/v2/support/testing"
"github.com/filecoin-project/lotus/api"
lotusinit "github.com/filecoin-project/lotus/chain/actors/builtin/init"
"github.com/filecoin-project/lotus/chain/actors/builtin/paych"
paychmock "github.com/filecoin-project/lotus/chain/actors/builtin/paych/mock"
"github.com/filecoin-project/lotus/chain/types"
)
var onChainReserve = api.PaychGetOpts{
Reserve: true,
OffChain: false,
}
var onChainNoReserve = api.PaychGetOpts{
Reserve: false,
OffChain: false,
}
var offChainReserve = api.PaychGetOpts{
Reserve: true,
OffChain: true,
}
var offChainNoReserve = api.PaychGetOpts{
Reserve: false,
OffChain: true,
}
func testChannelResponse(t *testing.T, ch address.Address) types.MessageReceipt {
createChannelRet := init2.ExecReturn{
IDAddress: ch,
RobustAddress: ch,
}
createChannelRetBytes, err := cborrpc.Dump(&createChannelRet)
require.NoError(t, err)
createChannelResponse := types.MessageReceipt{
ExitCode: 0,
Return: createChannelRetBytes,
}
return createChannelResponse
}
// TestPaychGetCreateChannelMsg tests that GetPaych sends a message to create
// a new channel with the correct funds
func TestPaychGetCreateChannelMsg(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
mgr, err := newManager(store, mock)
require.NoError(t, err)
amt := big.NewInt(10)
ch, mcid, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
require.Equal(t, address.Undef, ch)
pushedMsg := mock.pushedMessages(mcid)
require.Equal(t, from, pushedMsg.Message.From)
require.Equal(t, lotusinit.Address, pushedMsg.Message.To)
require.Equal(t, amt, pushedMsg.Message.Value)
}
func TestPaychGetOffchainNoReserveFails(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
mgr, err := newManager(store, mock)
require.NoError(t, err)
amt := big.NewInt(10)
_, _, err = mgr.GetPaych(ctx, from, to, amt, offChainNoReserve)
require.Error(t, err)
}
func TestPaychGetCreateOffchainReserveFails(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
mgr, err := newManager(store, mock)
require.NoError(t, err)
amt := big.NewInt(10)
_, _, err = mgr.GetPaych(ctx, from, to, amt, offChainReserve)
require.Error(t, err)
}
// TestPaychGetCreateChannelThenAddFunds tests creating a channel and then
// adding funds to it
func TestPaychGetCreateChannelThenAddFunds(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel with value 10
amt := big.NewInt(10)
_, createMsgCid, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
// Should have no channels yet (message sent but channel not created)
cis, err := mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 0)
// 1. Set up create channel response (sent in response to WaitForMsg())
response := testChannelResponse(t, ch)
done := make(chan struct{})
go func() {
defer close(done)
// 2. Request add funds - should block until create channel has completed
amt2 := big.NewInt(5)
ch2, addFundsMsgCid, err := mgr.GetPaych(ctx, from, to, amt2, onChainReserve)
// 4. This GetPaych should return after create channel from first
// GetPaych completes
require.NoError(t, err)
// Expect the channel to be the same
require.Equal(t, ch, ch2)
// Expect add funds message CID to be different to create message cid
require.NotEqual(t, createMsgCid, addFundsMsgCid)
// Should have one channel, whose address is the channel that was created
cis, err := mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
// Amount should be amount sent to first GetPaych (to create
// channel).
// PendingAmount should be amount sent in second GetPaych
// (second GetPaych triggered add funds, which has not yet been confirmed)
ci, err := mgr.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.EqualValues(t, 10, ci.Amount.Int64())
require.EqualValues(t, 5, ci.PendingAmount.Int64())
require.Nil(t, ci.CreateMsg)
// Trigger add funds confirmation
mock.receiveMsgResponse(addFundsMsgCid, types.MessageReceipt{ExitCode: 0})
// Wait for add funds confirmation to be processed by manager
_, err = mgr.GetPaychWaitReady(ctx, addFundsMsgCid)
require.NoError(t, err)
// Should still have one channel
cis, err = mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
// Channel amount should include last amount sent to GetPaych
ci, err = mgr.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.EqualValues(t, 15, ci.Amount.Int64())
require.EqualValues(t, 0, ci.PendingAmount.Int64())
require.Nil(t, ci.AddFundsMsg)
}()
// 3. Send create channel response
mock.receiveMsgResponse(createMsgCid, response)
<-done
}
func TestPaychGetCreatePrefundedChannelThenAddFunds(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel with value 10
amt := big.NewInt(10)
_, createMsgCid, err := mgr.GetPaych(ctx, from, to, amt, onChainNoReserve)
require.NoError(t, err)
// Should have no channels yet (message sent but channel not created)
cis, err := mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 0)
// 1. Set up create channel response (sent in response to WaitForMsg())
response := testChannelResponse(t, ch)
done := make(chan struct{})
go func() {
defer close(done)
// 2. Request add funds - shouldn't block
amt2 := big.NewInt(3)
ch2, addFundsMsgCid, err := mgr.GetPaych(ctx, from, to, amt2, offChainReserve)
// 4. This GetPaych should return after create channel from first
// GetPaych completes
require.NoError(t, err)
// Expect the channel to be the same
require.Equal(t, ch, ch2)
require.Equal(t, cid.Undef, addFundsMsgCid)
// Should have one channel, whose address is the channel that was created
cis, err := mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
// Amount should be amount sent to first GetPaych (to create
// channel).
// PendingAmount should be zero, AvailableAmount should be Amount minus what we requested
ci, err := mgr.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.EqualValues(t, 10, ci.Amount.Int64())
require.EqualValues(t, 0, ci.PendingAmount.Int64())
require.EqualValues(t, 7, ci.AvailableAmount.Int64())
require.Nil(t, ci.CreateMsg)
require.Nil(t, ci.AddFundsMsg)
}()
// 3. Send create channel response
mock.receiveMsgResponse(createMsgCid, response)
<-done
}
// TestPaychGetCreateChannelWithErrorThenCreateAgain tests that if an
// operation is queued up behind a create channel operation, and the create
// channel fails, then the waiting operation can succeed.
func TestPaychGetCreateChannelWithErrorThenCreateAgain(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel
amt := big.NewInt(10)
_, mcid1, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
// 1. Set up create channel response (sent in response to WaitForMsg())
// This response indicates an error.
errResponse := types.MessageReceipt{
ExitCode: 1, // error
Return: []byte{},
}
done := make(chan struct{})
go func() {
defer close(done)
// 2. Should block until create channel has completed.
// Because first channel create fails, this request
// should be for channel create again.
amt2 := big.NewInt(5)
ch2, mcid2, err := mgr.GetPaych(ctx, from, to, amt2, onChainReserve)
require.NoError(t, err)
require.Equal(t, address.Undef, ch2)
// 4. Send a success response
ch := tutils.NewIDAddr(t, 100)
successResponse := testChannelResponse(t, ch)
mock.receiveMsgResponse(mcid2, successResponse)
_, err = mgr.GetPaychWaitReady(ctx, mcid2)
require.NoError(t, err)
// Should have one channel, whose address is the channel that was created
cis, err := mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
ci, err := mgr.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.Equal(t, amt2, ci.Amount)
}()
// 3. Send error response to first channel create
mock.receiveMsgResponse(mcid1, errResponse)
<-done
}
// TestPaychGetRecoverAfterError tests that after a create channel fails, the
// next attempt to create channel can succeed.
func TestPaychGetRecoverAfterError(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel
amt := big.NewInt(10)
_, mcid, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
// Send error create channel response
mock.receiveMsgResponse(mcid, types.MessageReceipt{
ExitCode: 1, // error
Return: []byte{},
})
// Send create message for a channel again
amt2 := big.NewInt(7)
_, mcid2, err := mgr.GetPaych(ctx, from, to, amt2, onChainReserve)
require.NoError(t, err)
// Send success create channel response
response := testChannelResponse(t, ch)
mock.receiveMsgResponse(mcid2, response)
_, err = mgr.GetPaychWaitReady(ctx, mcid2)
require.NoError(t, err)
// Should have one channel, whose address is the channel that was created
cis, err := mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
ci, err := mgr.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.Equal(t, amt2, ci.Amount)
require.EqualValues(t, 0, ci.PendingAmount.Int64())
require.Nil(t, ci.CreateMsg)
}
// TestPaychGetRecoverAfterAddFundsError tests that after an add funds fails, the
// next attempt to add funds can succeed.
func TestPaychGetRecoverAfterAddFundsError(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel
amt := big.NewInt(10)
_, mcid1, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
// Send success create channel response
response := testChannelResponse(t, ch)
mock.receiveMsgResponse(mcid1, response)
// Send add funds message for channel
amt2 := big.NewInt(5)
_, mcid2, err := mgr.GetPaych(ctx, from, to, amt2, onChainReserve)
require.NoError(t, err)
// Send error add funds response
mock.receiveMsgResponse(mcid2, types.MessageReceipt{
ExitCode: 1, // error
Return: []byte{},
})
_, err = mgr.GetPaychWaitReady(ctx, mcid2)
require.Error(t, err)
// Should have one channel, whose address is the channel that was created
cis, err := mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
ci, err := mgr.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.Equal(t, amt, ci.Amount)
require.EqualValues(t, 0, ci.PendingAmount.Int64())
require.Nil(t, ci.CreateMsg)
require.Nil(t, ci.AddFundsMsg)
// Send add funds message for channel again
amt3 := big.NewInt(2)
_, mcid3, err := mgr.GetPaych(ctx, from, to, amt3, onChainReserve)
require.NoError(t, err)
// Send success add funds response
mock.receiveMsgResponse(mcid3, types.MessageReceipt{
ExitCode: 0,
Return: []byte{},
})
_, err = mgr.GetPaychWaitReady(ctx, mcid3)
require.NoError(t, err)
// Should have one channel, whose address is the channel that was created
cis, err = mgr.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
// Amount should include amount for successful add funds msg
ci, err = mgr.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.Equal(t, amt.Int64()+amt3.Int64(), ci.Amount.Int64())
require.EqualValues(t, 0, ci.PendingAmount.Int64())
require.Nil(t, ci.CreateMsg)
require.Nil(t, ci.AddFundsMsg)
}
// TestPaychGetRestartAfterCreateChannelMsg tests that if the system stops
// right after the create channel message is sent, the channel will be
// created when the system restarts.
func TestPaychGetRestartAfterCreateChannelMsg(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel with value 10
amt := big.NewInt(10)
_, createMsgCid, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
// Simulate shutting down system
mock.close()
// Create a new manager with the same datastore
mock2 := newMockManagerAPI()
defer mock2.close()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock2.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr2, err := newManager(store, mock2)
require.NoError(t, err)
// Should have no channels yet (message sent but channel not created)
cis, err := mgr2.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 0)
// 1. Set up create channel response (sent in response to WaitForMsg())
response := testChannelResponse(t, ch)
done := make(chan struct{})
go func() {
defer close(done)
// 2. Request add funds - should block until create channel has completed
amt2 := big.NewInt(5)
ch2, addFundsMsgCid, err := mgr2.GetPaych(ctx, from, to, amt2, onChainReserve)
// 4. This GetPaych should return after create channel from first
// GetPaych completes
require.NoError(t, err)
// Expect the channel to have been created
require.Equal(t, ch, ch2)
// Expect add funds message CID to be different to create message cid
require.NotEqual(t, createMsgCid, addFundsMsgCid)
// Should have one channel, whose address is the channel that was created
cis, err := mgr2.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
// Amount should be amount sent to first GetPaych (to create
// channel).
// PendingAmount should be amount sent in second GetPaych
// (second GetPaych triggered add funds, which has not yet been confirmed)
ci, err := mgr2.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.EqualValues(t, 10, ci.Amount.Int64())
require.EqualValues(t, 5, ci.PendingAmount.Int64())
require.Nil(t, ci.CreateMsg)
}()
// 3. Send create channel response
mock2.receiveMsgResponse(createMsgCid, response)
<-done
}
// TestPaychGetRestartAfterAddFundsMsg tests that if the system stops
// right after the add funds message is sent, the add funds will be
// processed when the system restarts.
func TestPaychGetRestartAfterAddFundsMsg(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel
amt := big.NewInt(10)
_, mcid1, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
// Send success create channel response
response := testChannelResponse(t, ch)
mock.receiveMsgResponse(mcid1, response)
// Send add funds message for channel
amt2 := big.NewInt(5)
_, mcid2, err := mgr.GetPaych(ctx, from, to, amt2, onChainReserve)
require.NoError(t, err)
// Simulate shutting down system
mock.close()
// Create a new manager with the same datastore
mock2 := newMockManagerAPI()
defer mock2.close()
mock2.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr2, err := newManager(store, mock2)
require.NoError(t, err)
// Send success add funds response
mock2.receiveMsgResponse(mcid2, types.MessageReceipt{
ExitCode: 0,
Return: []byte{},
})
_, err = mgr2.GetPaychWaitReady(ctx, mcid2)
require.NoError(t, err)
// Should have one channel, whose address is the channel that was created
cis, err := mgr2.ListChannels(ctx)
require.NoError(t, err)
require.Len(t, cis, 1)
require.Equal(t, ch, cis[0])
// Amount should include amount for successful add funds msg
ci, err := mgr2.GetChannelInfo(ctx, ch)
require.NoError(t, err)
require.Equal(t, amt.Int64()+amt2.Int64(), ci.Amount.Int64())
require.EqualValues(t, 0, ci.PendingAmount.Int64())
require.Nil(t, ci.CreateMsg)
require.Nil(t, ci.AddFundsMsg)
}
// TestPaychGetWait tests that GetPaychWaitReady correctly waits for the
// channel to be created or funds to be added
func TestPaychGetWait(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
expch := tutils.NewIDAddr(t, 100)
mock := newMockManagerAPI()
defer mock.close()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock.setPaychState(expch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr, err := newManager(store, mock)
require.NoError(t, err)
// 1. Get
amt := big.NewInt(10)
_, createMsgCid, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
go func() {
// 3. Send response
response := testChannelResponse(t, expch)
mock.receiveMsgResponse(createMsgCid, response)
}()
// 2. Wait till ready
ch, err := mgr.GetPaychWaitReady(ctx, createMsgCid)
require.NoError(t, err)
require.Equal(t, expch, ch)
// 4. Wait again - message has already been received so should
// return immediately
ch, err = mgr.GetPaychWaitReady(ctx, createMsgCid)
require.NoError(t, err)
require.Equal(t, expch, ch)
// Request add funds
amt2 := big.NewInt(15)
_, addFundsMsgCid, err := mgr.GetPaych(ctx, from, to, amt2, onChainReserve)
require.NoError(t, err)
go func() {
// 6. Send add funds response
addFundsResponse := types.MessageReceipt{
ExitCode: 0,
Return: []byte{},
}
mock.receiveMsgResponse(addFundsMsgCid, addFundsResponse)
}()
// 5. Wait for add funds
ch, err = mgr.GetPaychWaitReady(ctx, addFundsMsgCid)
require.NoError(t, err)
require.Equal(t, expch, ch)
}
// TestPaychGetWaitErr tests that GetPaychWaitReady correctly handles errors
func TestPaychGetWaitErr(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
mgr, err := newManager(store, mock)
require.NoError(t, err)
// 1. Create channel
amt := big.NewInt(10)
_, mcid, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
done := make(chan address.Address)
go func() {
defer close(done)
// 2. Wait for channel to be created
_, err := mgr.GetPaychWaitReady(ctx, mcid)
// 4. Channel creation should have failed
require.NotNil(t, err)
// 5. Call wait again with the same message CID
_, err = mgr.GetPaychWaitReady(ctx, mcid)
// 6. Should return immediately with the same error
require.NotNil(t, err)
}()
// 3. Send error response to create channel
response := types.MessageReceipt{
ExitCode: 1, // error
Return: []byte{},
}
mock.receiveMsgResponse(mcid, response)
<-done
}
// TestPaychGetWaitCtx tests that GetPaychWaitReady returns early if the context
// is cancelled
func TestPaychGetWaitCtx(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
mgr, err := newManager(store, mock)
require.NoError(t, err)
amt := big.NewInt(10)
_, mcid, err := mgr.GetPaych(ctx, from, to, amt, onChainReserve)
require.NoError(t, err)
// When the context is cancelled, should unblock wait
go func() {
cancel()
}()
_, err = mgr.GetPaychWaitReady(ctx, mcid)
require.Error(t, ctx.Err(), err)
}
// TestPaychGetMergeAddFunds tests that if a create channel is in
// progress and two add funds are queued up behind it, the two add funds
// will be merged
func TestPaychGetMergeAddFunds(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel with value 10
createAmt := big.NewInt(10)
_, createMsgCid, err := mgr.GetPaych(ctx, from, to, createAmt, onChainReserve)
require.NoError(t, err)
// Queue up two add funds requests behind create channel
var addFundsSent sync.WaitGroup
addFundsSent.Add(2)
addFundsAmt1 := big.NewInt(5)
addFundsAmt2 := big.NewInt(3)
var addFundsCh1 address.Address
var addFundsCh2 address.Address
var addFundsMcid1 cid.Cid
var addFundsMcid2 cid.Cid
go func() {
defer addFundsSent.Done()
// Request add funds - should block until create channel has completed
var err error
addFundsCh1, addFundsMcid1, err = mgr.GetPaych(ctx, from, to, addFundsAmt1, onChainReserve)
require.NoError(t, err)
}()
go func() {
defer addFundsSent.Done()
// Request add funds again - should merge with waiting add funds request
var err error
addFundsCh2, addFundsMcid2, err = mgr.GetPaych(ctx, from, to, addFundsAmt2, onChainReserve)
require.NoError(t, err)
}()
// Wait for add funds requests to be queued up
waitForQueueSize(t, mgr, from, to, 2)
// Send create channel response
response := testChannelResponse(t, ch)
mock.receiveMsgResponse(createMsgCid, response)
// Wait for create channel response
chres, err := mgr.GetPaychWaitReady(ctx, createMsgCid)
require.NoError(t, err)
require.Equal(t, ch, chres)
// Wait for add funds requests to be sent
addFundsSent.Wait()
// Expect add funds requests to have same channel as create channel and
// same message cid as each other (because they should have been merged)
require.Equal(t, ch, addFundsCh1)
require.Equal(t, ch, addFundsCh2)
require.Equal(t, addFundsMcid1, addFundsMcid2)
// Send success add funds response
mock.receiveMsgResponse(addFundsMcid1, types.MessageReceipt{
ExitCode: 0,
Return: []byte{},
})
// Wait for add funds response
addFundsCh, err := mgr.GetPaychWaitReady(ctx, addFundsMcid1)
require.NoError(t, err)
require.Equal(t, ch, addFundsCh)
// Make sure that one create channel message and one add funds message was
// sent
require.Equal(t, 2, mock.pushedMessageCount())
// Check create message amount is correct
createMsg := mock.pushedMessages(createMsgCid)
require.Equal(t, from, createMsg.Message.From)
require.Equal(t, lotusinit.Address, createMsg.Message.To)
require.Equal(t, createAmt, createMsg.Message.Value)
// Check merged add funds amount is the sum of the individual
// amounts
addFundsMsg := mock.pushedMessages(addFundsMcid1)
require.Equal(t, from, addFundsMsg.Message.From)
require.Equal(t, ch, addFundsMsg.Message.To)
require.Equal(t, types.BigAdd(addFundsAmt1, addFundsAmt2), addFundsMsg.Message.Value)
}
func TestPaychGetMergePrefundAndReserve(t *testing.T) {
ctx := context.Background()
store := NewStore(ds_sync.MutexWrap(ds.NewMapDatastore()))
ch := tutils.NewIDAddr(t, 100)
from := tutils.NewIDAddr(t, 101)
to := tutils.NewIDAddr(t, 102)
mock := newMockManagerAPI()
defer mock.close()
act := &types.Actor{
Code: builtin.AccountActorCodeID,
Head: cid.Cid{},
Nonce: 0,
Balance: types.NewInt(20),
}
mock.setPaychState(ch, act, paychmock.NewMockPayChState(from, to, abi.ChainEpoch(0), make(map[uint64]paych.LaneState)))
mgr, err := newManager(store, mock)
require.NoError(t, err)
// Send create message for a channel with value 10
createAmt := big.NewInt(10)
_, createMsgCid, err := mgr.GetPaych(ctx, from, to, createAmt, onChainReserve)
require.NoError(t, err)
// Queue up two add funds requests behind create channel
var addFundsSent sync.WaitGroup
addFundsSent.Add(2)
addFundsAmt1 := big.NewInt(5) // 1 prefunds
addFundsAmt2 := big.NewInt(3) // 2 reserves
var addFundsCh1 address.Address
var addFundsCh2 address.Address
var addFundsMcid1 cid.Cid
var addFundsMcid2 cid.Cid
go func() {
defer addFundsSent.Done()
// Request add funds - should block until create channel has completed
var err error
addFundsCh1, addFundsMcid1, err = mgr.GetPaych(ctx, from, to, addFundsAmt1, onChainNoReserve)
require.NoError(t, err)
}()
go func() {
defer addFundsSent.Done()
// Request add funds again - should merge with waiting add funds request
var err error
addFundsCh2, addFundsMcid2, err = mgr.GetPaych(ctx, from, to, addFundsAmt2, onChainReserve)
require.NoError(t, err)
}()
// Wait for add funds requests to be queued up
waitForQueueSize(t, mgr, from, to, 2)
// Send create channel response
response := testChannelResponse(t, ch)
mock.receiveMsgResponse(createMsgCid, response)
// Wait for create channel response
chres, err := mgr.GetPaychWaitReady(ctx, createMsgCid)
require.NoError(t, err)
require.Equal(t, ch, chres)
// Wait for add funds requests to be sent
addFundsSent.Wait()
// Expect add funds requests to have same channel as create channel and
// same message cid as each other (because they should have been merged)
require.Equal(t, ch, addFundsCh1)
require.Equal(t, ch, addFundsCh2)
require.Equal(t, addFundsMcid1, addFundsMcid2)
// Send success add funds response
mock.receiveMsgResponse(addFundsMcid1, types.MessageReceipt{
ExitCode: 0,
Return: []byte{},
})
// Wait for add funds response
addFundsCh, err := mgr.GetPaychWaitReady(ctx, addFundsMcid1)
require.NoError(t, err)
require.Equal(t, ch, addFundsCh)
// Make sure that one create channel message and one add funds message was
// sent
require.Equal(t, 2, mock.pushedMessageCount())
// Check create message amount is correct
createMsg := mock.pushedMessages(createMsgCid)