Files
atomic-swap/net/relay_test.go
2023-04-05 20:16:41 -05:00

134 lines
4.1 KiB
Go

// Copyright 2023 Athanor Labs (ON)
// SPDX-License-Identifier: LGPL-3.0-only
package net
import (
"math/big"
"testing"
"time"
ethcommon "github.com/ethereum/go-ethereum/common"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/stretchr/testify/require"
"github.com/athanorlabs/atomic-swap/common/types"
contracts "github.com/athanorlabs/atomic-swap/ethereum"
"github.com/athanorlabs/atomic-swap/net/message"
)
func twoHostRelayerSetup(t *testing.T) (*Host, *Host) {
// ha is not a relayer
haCfg := basicTestConfig(t)
haCfg.IsRelayer = false
ha := newHost(t, haCfg)
err := ha.Start()
require.NoError(t, err)
// hb is a relayer
hbCfg := basicTestConfig(t)
hbCfg.IsRelayer = true
hbCfg.Bootnodes = []string{ha.Addresses()[0].String()}
hb := newHost(t, hbCfg)
require.NoError(t, err)
err = hb.Start()
require.NoError(t, err)
ha.Advertise() // hb wasn't around on ha's first advertisement loop
time.Sleep(500 * time.Millisecond) // give hb time to advertise in DHT
return ha, hb
}
func TestHost_DiscoverRelayers(t *testing.T) {
ha, hb := twoHostRelayerSetup(t)
peerIDs, err := ha.DiscoverRelayers()
require.NoError(t, err)
require.True(t, hb.isRelayer)
require.Len(t, peerIDs, 1) // discovers hb
require.Equal(t, hb.PeerID(), peerIDs[0])
peerIDs, err = hb.DiscoverRelayers()
require.NoError(t, err)
require.False(t, ha.isRelayer)
require.Len(t, peerIDs, 0) // ha is not a relayer and not discovered
}
func createTestClaimRequest() *message.RelayClaimRequest {
secret := [32]byte{0x1}
sig := [65]byte{0x1}
req := &message.RelayClaimRequest{
SwapFactoryAddress: ethcommon.Address{0x1},
Swap: &contracts.SwapFactorySwap{
Owner: ethcommon.Address{0x1},
Claimer: ethcommon.Address{0x1},
PubKeyClaim: [32]byte{0x1},
PubKeyRefund: [32]byte{0x1},
Timeout0: big.NewInt(time.Now().Add(30 * time.Minute).Unix()),
Timeout1: big.NewInt(time.Now().Add(60 * time.Minute).Unix()),
Asset: ethcommon.Address(types.EthAssetETH),
Value: big.NewInt(1e18),
Nonce: big.NewInt(1),
},
Secret: secret[:],
Signature: sig[:],
}
return req
}
func TestHost_SubmitClaimToRelayer_dhtRelayer(t *testing.T) {
ha, hb := twoHostRelayerSetup(t)
// success path ha->hb, hb is a DHT relayer
resp, err := ha.SubmitClaimToRelayer(hb.PeerID(), createTestClaimRequest())
require.NoError(t, err)
require.Equal(t, mockEthTXHash.Hex(), resp.TxHash.Hex())
// failure path hb->ha, ha is NOT a DHT relayer. Note that the remote end
// does not pass back the exact reason for rejecting a claim to avoid
// possible privacy data leaks, but in this case it is because hb is not
// a DHT advertising relayer.
_, err = hb.SubmitClaimToRelayer(ha.PeerID(), createTestClaimRequest())
require.ErrorContains(t, err, "failed to read RelayClaimResponse: EOF")
}
func TestHost_SubmitClaimToRelayer_xmrTakerRelayer(t *testing.T) {
ha, hb := twoHostRelayerSetup(t)
request := createTestClaimRequest()
offerID := types.Hash{0x1}
request.OfferID = &offerID
// fail, because there is no ongoing swap between ha and hb
_, err := hb.SubmitClaimToRelayer(ha.PeerID(), request)
require.ErrorContains(t, err, "failed to read RelayClaimResponse: EOF")
// create an ongoing swap between ha and hb
swapState := &mockSwapState{offerID: offerID}
err = ha.Initiate(peer.AddrInfo{ID: hb.PeerID()}, createSendKeysMessage(t), swapState)
require.NoError(t, err)
defer ha.CloseProtocolStream(offerID)
// same steps will succeed now, because we started a swap first
response, err := hb.SubmitClaimToRelayer(ha.PeerID(), request)
require.NoError(t, err)
require.Equal(t, mockEthTXHash, response.TxHash)
}
func TestHost_SubmitClaimToRelayer_fail(t *testing.T) {
ha, hb := twoHostRelayerSetup(t)
req := createTestClaimRequest()
req.Secret = []byte{0x1} // wrong size
_, err := ha.SubmitClaimToRelayer(hb.PeerID(), req)
require.ErrorContains(t, err, "Field validation for 'Secret' failed on the 'len' tag")
req = createTestClaimRequest()
req.Signature = []byte{0x1, 0x2} // wrong size
_, err = ha.SubmitClaimToRelayer(hb.PeerID(), req)
require.ErrorContains(t, err, "Field validation for 'Signature' failed on the 'len' tag")
}