lotus/cli/paych_test.go

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package cli
import (
"bytes"
"context"
"flag"
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"fmt"
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"os"
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"regexp"
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"strconv"
"strings"
"testing"
"time"
"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/specs-actors/actors/abi/big"
saminer "github.com/filecoin-project/specs-actors/actors/builtin/miner"
"github.com/filecoin-project/specs-actors/actors/builtin/power"
"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
"github.com/multiformats/go-multiaddr"
"github.com/filecoin-project/lotus/chain/events"
"github.com/filecoin-project/lotus/api/apibstore"
"github.com/filecoin-project/specs-actors/actors/builtin/paych"
cbor "github.com/ipfs/go-ipld-cbor"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/node/modules"
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"github.com/filecoin-project/lotus/api/test"
"github.com/filecoin-project/lotus/chain/wallet"
builder "github.com/filecoin-project/lotus/node/test"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/stretchr/testify/require"
"github.com/urfave/cli/v2"
)
func init() {
power.ConsensusMinerMinPower = big.NewInt(2048)
saminer.SupportedProofTypes = map[abi.RegisteredSealProof]struct{}{
abi.RegisteredSealProof_StackedDrg2KiBV1: {},
}
verifreg.MinVerifiedDealSize = big.NewInt(256)
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modules.PubsubSubscribeImmediately = true
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}
// TestPaymentChannels does a basic test to exercise the payment channel CLI
// commands
func TestPaymentChannels(t *testing.T) {
_ = os.Setenv("BELLMAN_NO_GPU", "1")
blocktime := 5 * time.Millisecond
ctx := context.Background()
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nodes, addrs := startTwoNodesOneMiner(ctx, t, blocktime)
paymentCreator := nodes[0]
paymentReceiver := nodes[1]
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creatorAddr := addrs[0]
receiverAddr := addrs[1]
// Create mock CLI
mockCLI := newMockCLI(t)
creatorCLI := mockCLI.client(paymentCreator.ListenAddr)
receiverCLI := mockCLI.client(paymentReceiver.ListenAddr)
// creator: paych add-funds <creator> <receiver> <amount>
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channelAmt := "100000"
cmd := []string{creatorAddr.String(), receiverAddr.String(), channelAmt}
chstr := creatorCLI.runCmd(paychAddFundsCmd, cmd)
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chAddr, err := address.NewFromString(chstr)
require.NoError(t, err)
// creator: paych voucher create <channel> <amount>
voucherAmt := 100
vamt := strconv.Itoa(voucherAmt)
cmd = []string{chAddr.String(), vamt}
voucher := creatorCLI.runCmd(paychVoucherCreateCmd, cmd)
// receiver: paych voucher add <channel> <voucher>
cmd = []string{chAddr.String(), voucher}
receiverCLI.runCmd(paychVoucherAddCmd, cmd)
// creator: paych settle <channel>
cmd = []string{chAddr.String()}
creatorCLI.runCmd(paychSettleCmd, cmd)
// Wait for the chain to reach the settle height
chState := getPaychState(ctx, t, paymentReceiver, chAddr)
waitForHeight(ctx, t, paymentReceiver, chState.SettlingAt)
// receiver: paych collect <channel>
cmd = []string{chAddr.String()}
receiverCLI.runCmd(paychCloseCmd, cmd)
}
type voucherSpec struct {
serialized string
amt int
lane int
}
// TestPaymentChannelStatus tests the payment channel status CLI command
func TestPaymentChannelStatus(t *testing.T) {
_ = os.Setenv("BELLMAN_NO_GPU", "1")
blocktime := 5 * time.Millisecond
ctx := context.Background()
nodes, addrs := startTwoNodesOneMiner(ctx, t, blocktime)
paymentCreator := nodes[0]
creatorAddr := addrs[0]
receiverAddr := addrs[1]
// Create mock CLI
mockCLI := newMockCLI(t)
creatorCLI := mockCLI.client(paymentCreator.ListenAddr)
cmd := []string{creatorAddr.String(), receiverAddr.String()}
out := creatorCLI.runCmd(paychStatusByFromToCmd, cmd)
fmt.Println(out)
noChannelState := "Channel does not exist"
require.Regexp(t, regexp.MustCompile(noChannelState), out)
channelAmt := uint64(100)
create := make(chan string)
go func() {
// creator: paych add-funds <creator> <receiver> <amount>
cmd = []string{creatorAddr.String(), receiverAddr.String(), fmt.Sprintf("%d", channelAmt)}
create <- creatorCLI.runCmd(paychAddFundsCmd, cmd)
}()
// Wait for the output to stop being "Channel does not exist"
for regexp.MustCompile(noChannelState).MatchString(out) {
cmd = []string{creatorAddr.String(), receiverAddr.String()}
out = creatorCLI.runCmd(paychStatusByFromToCmd, cmd)
}
fmt.Println(out)
// The next state should be creating channel or channel created, depending
// on timing
stateCreating := regexp.MustCompile("Creating channel").MatchString(out)
stateCreated := regexp.MustCompile("Channel exists").MatchString(out)
require.True(t, stateCreating || stateCreated)
channelAmtAtto := types.BigMul(types.NewInt(channelAmt), types.NewInt(build.FilecoinPrecision))
channelAmtStr := fmt.Sprintf("%d", channelAmtAtto)
if stateCreating {
// If we're in the creating state (most likely) the amount should be pending
require.Regexp(t, regexp.MustCompile("Pending.*"+channelAmtStr), out)
}
// Wait for create channel to complete
chstr := <-create
cmd = []string{chstr}
out = creatorCLI.runCmd(paychStatusCmd, cmd)
fmt.Println(out)
// Output should have the channel address
require.Regexp(t, regexp.MustCompile("Channel.*"+chstr), out)
// Output should have confirmed amount
require.Regexp(t, regexp.MustCompile("Confirmed.*"+channelAmtStr), out)
chAddr, err := address.NewFromString(chstr)
require.NoError(t, err)
// creator: paych voucher create <channel> <amount>
voucherAmt := uint64(10)
cmd = []string{chAddr.String(), fmt.Sprintf("%d", voucherAmt)}
creatorCLI.runCmd(paychVoucherCreateCmd, cmd)
cmd = []string{chstr}
out = creatorCLI.runCmd(paychStatusCmd, cmd)
fmt.Println(out)
voucherAmtAtto := types.BigMul(types.NewInt(voucherAmt), types.NewInt(build.FilecoinPrecision))
voucherAmtStr := fmt.Sprintf("%d", voucherAmtAtto)
// Output should include voucher amount
require.Regexp(t, regexp.MustCompile("Voucher.*"+voucherAmtStr), out)
}
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// TestPaymentChannelVouchers does a basic test to exercise some payment
// channel voucher commands
func TestPaymentChannelVouchers(t *testing.T) {
_ = os.Setenv("BELLMAN_NO_GPU", "1")
blocktime := 5 * time.Millisecond
ctx := context.Background()
nodes, addrs := startTwoNodesOneMiner(ctx, t, blocktime)
paymentCreator := nodes[0]
paymentReceiver := nodes[1]
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creatorAddr := addrs[0]
receiverAddr := addrs[1]
// Create mock CLI
mockCLI := newMockCLI(t)
creatorCLI := mockCLI.client(paymentCreator.ListenAddr)
receiverCLI := mockCLI.client(paymentReceiver.ListenAddr)
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// creator: paych add-funds <creator> <receiver> <amount>
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channelAmt := "100000"
cmd := []string{creatorAddr.String(), receiverAddr.String(), channelAmt}
chstr := creatorCLI.runCmd(paychAddFundsCmd, cmd)
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chAddr, err := address.NewFromString(chstr)
require.NoError(t, err)
var vouchers []voucherSpec
// creator: paych voucher create <channel> <amount>
// Note: implied --lane=0
voucherAmt1 := 100
cmd = []string{chAddr.String(), strconv.Itoa(voucherAmt1)}
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voucher1 := creatorCLI.runCmd(paychVoucherCreateCmd, cmd)
vouchers = append(vouchers, voucherSpec{serialized: voucher1, lane: 0, amt: voucherAmt1})
// creator: paych voucher create <channel> <amount> --lane=5
lane5 := "--lane=5"
voucherAmt2 := 50
cmd = []string{lane5, chAddr.String(), strconv.Itoa(voucherAmt2)}
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voucher2 := creatorCLI.runCmd(paychVoucherCreateCmd, cmd)
vouchers = append(vouchers, voucherSpec{serialized: voucher2, lane: 5, amt: voucherAmt2})
// creator: paych voucher create <channel> <amount> --lane=5
voucherAmt3 := 70
cmd = []string{lane5, chAddr.String(), strconv.Itoa(voucherAmt3)}
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voucher3 := creatorCLI.runCmd(paychVoucherCreateCmd, cmd)
vouchers = append(vouchers, voucherSpec{serialized: voucher3, lane: 5, amt: voucherAmt3})
// creator: paych voucher create <channel> <amount> --lane=5
voucherAmt4 := 80
cmd = []string{lane5, chAddr.String(), strconv.Itoa(voucherAmt4)}
voucher4 := creatorCLI.runCmd(paychVoucherCreateCmd, cmd)
vouchers = append(vouchers, voucherSpec{serialized: voucher4, lane: 5, amt: voucherAmt4})
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// creator: paych voucher list <channel> --export
cmd = []string{"--export", chAddr.String()}
list := creatorCLI.runCmd(paychVoucherListCmd, cmd)
// Check that voucher list output is correct on creator
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checkVoucherOutput(t, list, vouchers)
// creator: paych voucher best-spendable <channel>
cmd = []string{"--export", chAddr.String()}
bestSpendable := creatorCLI.runCmd(paychVoucherBestSpendableCmd, cmd)
// Check that best spendable output is correct on creator
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bestVouchers := []voucherSpec{
{serialized: voucher1, lane: 0, amt: voucherAmt1},
{serialized: voucher4, lane: 5, amt: voucherAmt4},
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}
checkVoucherOutput(t, bestSpendable, bestVouchers)
// receiver: paych voucher add <voucher>
cmd = []string{chAddr.String(), voucher1}
receiverCLI.runCmd(paychVoucherAddCmd, cmd)
// receiver: paych voucher add <voucher>
cmd = []string{chAddr.String(), voucher2}
receiverCLI.runCmd(paychVoucherAddCmd, cmd)
// receiver: paych voucher add <voucher>
cmd = []string{chAddr.String(), voucher3}
receiverCLI.runCmd(paychVoucherAddCmd, cmd)
// receiver: paych voucher add <voucher>
cmd = []string{chAddr.String(), voucher4}
receiverCLI.runCmd(paychVoucherAddCmd, cmd)
// receiver: paych voucher list <channel> --export
cmd = []string{"--export", chAddr.String()}
list = receiverCLI.runCmd(paychVoucherListCmd, cmd)
// Check that voucher list output is correct on receiver
checkVoucherOutput(t, list, vouchers)
// receiver: paych voucher best-spendable <channel>
cmd = []string{"--export", chAddr.String()}
bestSpendable = receiverCLI.runCmd(paychVoucherBestSpendableCmd, cmd)
// Check that best spendable output is correct on receiver
bestVouchers = []voucherSpec{
{serialized: voucher1, lane: 0, amt: voucherAmt1},
{serialized: voucher4, lane: 5, amt: voucherAmt4},
}
checkVoucherOutput(t, bestSpendable, bestVouchers)
// receiver: paych voucher submit <channel> <voucher>
cmd = []string{chAddr.String(), voucher1}
receiverCLI.runCmd(paychVoucherSubmitCmd, cmd)
// receiver: paych voucher best-spendable <channel>
cmd = []string{"--export", chAddr.String()}
bestSpendable = receiverCLI.runCmd(paychVoucherBestSpendableCmd, cmd)
// Check that best spendable output no longer includes submitted voucher
bestVouchers = []voucherSpec{
{serialized: voucher4, lane: 5, amt: voucherAmt4},
}
checkVoucherOutput(t, bestSpendable, bestVouchers)
// There are three vouchers in lane 5: 50, 70, 80
// Submit the voucher for 50. Best spendable should still be 80.
// receiver: paych voucher submit <channel> <voucher>
cmd = []string{chAddr.String(), voucher2}
receiverCLI.runCmd(paychVoucherSubmitCmd, cmd)
// receiver: paych voucher best-spendable <channel>
cmd = []string{"--export", chAddr.String()}
bestSpendable = receiverCLI.runCmd(paychVoucherBestSpendableCmd, cmd)
// Check that best spendable output still includes the voucher for 80
bestVouchers = []voucherSpec{
{serialized: voucher4, lane: 5, amt: voucherAmt4},
}
checkVoucherOutput(t, bestSpendable, bestVouchers)
// Submit the voucher for 80
// receiver: paych voucher submit <channel> <voucher>
cmd = []string{chAddr.String(), voucher4}
receiverCLI.runCmd(paychVoucherSubmitCmd, cmd)
// receiver: paych voucher best-spendable <channel>
cmd = []string{"--export", chAddr.String()}
bestSpendable = receiverCLI.runCmd(paychVoucherBestSpendableCmd, cmd)
// Check that best spendable output no longer includes submitted voucher
bestVouchers = []voucherSpec{}
checkVoucherOutput(t, bestSpendable, bestVouchers)
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}
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// TestPaymentChannelVoucherCreateShortfall verifies that if a voucher amount
// is greater than what's left in the channel, voucher create fails
func TestPaymentChannelVoucherCreateShortfall(t *testing.T) {
_ = os.Setenv("BELLMAN_NO_GPU", "1")
blocktime := 5 * time.Millisecond
ctx := context.Background()
nodes, addrs := startTwoNodesOneMiner(ctx, t, blocktime)
paymentCreator := nodes[0]
creatorAddr := addrs[0]
receiverAddr := addrs[1]
// Create mock CLI
mockCLI := newMockCLI(t)
creatorCLI := mockCLI.client(paymentCreator.ListenAddr)
// creator: paych add-funds <creator> <receiver> <amount>
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channelAmt := 100
cmd := []string{creatorAddr.String(), receiverAddr.String(), fmt.Sprintf("%d", channelAmt)}
chstr := creatorCLI.runCmd(paychAddFundsCmd, cmd)
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chAddr, err := address.NewFromString(chstr)
require.NoError(t, err)
// creator: paych voucher create <channel> <amount> --lane=1
voucherAmt1 := 60
lane1 := "--lane=1"
cmd = []string{lane1, chAddr.String(), strconv.Itoa(voucherAmt1)}
voucher1 := creatorCLI.runCmd(paychVoucherCreateCmd, cmd)
fmt.Println(voucher1)
// creator: paych voucher create <channel> <amount> --lane=2
lane2 := "--lane=2"
voucherAmt2 := 70
cmd = []string{lane2, chAddr.String(), strconv.Itoa(voucherAmt2)}
_, err = creatorCLI.runCmdRaw(paychVoucherCreateCmd, cmd)
// Should fail because channel doesn't have required amount
require.Error(t, err)
shortfall := voucherAmt1 + voucherAmt2 - channelAmt
require.Regexp(t, regexp.MustCompile(fmt.Sprintf("shortfall: %d", shortfall)), err.Error())
}
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func checkVoucherOutput(t *testing.T, list string, vouchers []voucherSpec) {
lines := strings.Split(list, "\n")
listVouchers := make(map[string]string)
for _, line := range lines {
parts := strings.Split(line, ";")
if len(parts) == 2 {
serialized := strings.TrimSpace(parts[1])
listVouchers[serialized] = strings.TrimSpace(parts[0])
}
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}
for _, vchr := range vouchers {
res, ok := listVouchers[vchr.serialized]
require.True(t, ok)
require.Regexp(t, fmt.Sprintf("Lane %d", vchr.lane), res)
require.Regexp(t, fmt.Sprintf("%d", vchr.amt), res)
delete(listVouchers, vchr.serialized)
}
for _, vchr := range listVouchers {
require.Fail(t, "Extra voucher "+vchr)
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}
}
func startTwoNodesOneMiner(ctx context.Context, t *testing.T, blocktime time.Duration) ([]test.TestNode, []address.Address) {
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n, sn := builder.RPCMockSbBuilder(t, 2, test.OneMiner)
paymentCreator := n[0]
paymentReceiver := n[1]
miner := sn[0]
// Get everyone connected
addrs, err := paymentCreator.NetAddrsListen(ctx)
if err != nil {
t.Fatal(err)
}
if err := paymentReceiver.NetConnect(ctx, addrs); err != nil {
t.Fatal(err)
}
if err := miner.NetConnect(ctx, addrs); err != nil {
t.Fatal(err)
}
// Start mining blocks
bm := test.NewBlockMiner(ctx, t, miner, blocktime)
bm.MineBlocks()
// Send some funds to register the receiver
receiverAddr, err := paymentReceiver.WalletNew(ctx, wallet.ActSigType("secp256k1"))
if err != nil {
t.Fatal(err)
}
test.SendFunds(ctx, t, paymentCreator, receiverAddr, abi.NewTokenAmount(1e18))
// Get the creator's address
creatorAddr, err := paymentCreator.WalletDefaultAddress(ctx)
if err != nil {
t.Fatal(err)
}
// Create mock CLI
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return n, []address.Address{creatorAddr, receiverAddr}
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}
type mockCLI struct {
t *testing.T
cctx *cli.Context
out *bytes.Buffer
}
func newMockCLI(t *testing.T) *mockCLI {
// Create a CLI App with an --api flag so that we can specify which node
// the command should be executed against
app := cli.NewApp()
app.Flags = []cli.Flag{
&cli.StringFlag{
Name: "api",
Hidden: true,
},
}
var out bytes.Buffer
app.Writer = &out
app.Setup()
cctx := cli.NewContext(app, &flag.FlagSet{}, nil)
return &mockCLI{t: t, cctx: cctx, out: &out}
}
func (c *mockCLI) client(addr multiaddr.Multiaddr) *mockCLIClient {
return &mockCLIClient{t: c.t, addr: addr, cctx: c.cctx, out: c.out}
}
// mockCLIClient runs commands against a particular node
type mockCLIClient struct {
t *testing.T
addr multiaddr.Multiaddr
cctx *cli.Context
out *bytes.Buffer
}
func (c *mockCLIClient) runCmd(cmd *cli.Command, input []string) string {
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out, err := c.runCmdRaw(cmd, input)
require.NoError(c.t, err)
return out
}
func (c *mockCLIClient) runCmdRaw(cmd *cli.Command, input []string) (string, error) {
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// prepend --api=<node api listener address>
apiFlag := "--api=" + c.addr.String()
input = append([]string{apiFlag}, input...)
fs := c.flagSet(cmd)
err := fs.Parse(input)
require.NoError(c.t, err)
err = cmd.Action(cli.NewContext(c.cctx.App, fs, c.cctx))
// Get the output
str := strings.TrimSpace(c.out.String())
c.out.Reset()
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return str, err
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}
func (c *mockCLIClient) flagSet(cmd *cli.Command) *flag.FlagSet {
// Apply app level flags (so we can process --api flag)
fs := &flag.FlagSet{}
for _, f := range c.cctx.App.Flags {
err := f.Apply(fs)
if err != nil {
c.t.Fatal(err)
}
}
// Apply command level flags
for _, f := range cmd.Flags {
err := f.Apply(fs)
if err != nil {
c.t.Fatal(err)
}
}
return fs
}
// waitForHeight waits for the node to reach the given chain epoch
func waitForHeight(ctx context.Context, t *testing.T, node test.TestNode, height abi.ChainEpoch) {
atHeight := make(chan struct{})
chainEvents := events.NewEvents(ctx, node)
err := chainEvents.ChainAt(func(ctx context.Context, ts *types.TipSet, curH abi.ChainEpoch) error {
close(atHeight)
return nil
}, nil, 1, height)
if err != nil {
t.Fatal(err)
}
select {
case <-atHeight:
case <-ctx.Done():
}
}
// getPaychState gets the state of the payment channel with the given address
func getPaychState(ctx context.Context, t *testing.T, node test.TestNode, chAddr address.Address) paych.State {
act, err := node.StateGetActor(ctx, chAddr, types.EmptyTSK)
require.NoError(t, err)
store := cbor.NewCborStore(apibstore.NewAPIBlockstore(node))
var chState paych.State
err = store.Get(ctx, act.Head, &chState)
require.NoError(t, err)
return chState
}