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72f3f41d41
Since we don't have standby nodes anymore, we don't need to close the channels when the test finishes. Previously we would do so to make sure the standby nodes have a clean state for the next test case, which is no longer relevant.
62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
package itest
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import (
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"fmt"
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"github.com/btcsuite/btcd/btcutil"
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"github.com/lightningnetwork/lnd/funding"
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"github.com/lightningnetwork/lnd/lntest"
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"github.com/lightningnetwork/lnd/lnwallet"
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)
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// testMaxChannelSize tests that lnd handles --maxchansize parameter correctly.
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// Wumbo nodes should enforce a default soft limit of 10 BTC by default. This
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// limit can be adjusted with --maxchansize config option.
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func testMaxChannelSize(ht *lntest.HarnessTest) {
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// We'll make two new nodes, both wumbo but with the default limit on
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// maximum channel size (10 BTC)
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wumboNode := ht.NewNode(
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"wumbo", []string{"--protocol.wumbo-channels"},
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)
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wumboNode2 := ht.NewNode(
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"wumbo2", []string{"--protocol.wumbo-channels"},
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)
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// We'll send 11 BTC to the wumbo node so it can test the wumbo soft
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// limit.
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ht.FundCoins(11*btcutil.SatoshiPerBitcoin, wumboNode)
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// Next we'll connect both nodes, then attempt to make a wumbo channel
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// funding request, which should fail as it exceeds the default wumbo
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// soft limit of 10 BTC.
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ht.EnsureConnected(wumboNode, wumboNode2)
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chanAmt := funding.MaxBtcFundingAmountWumbo + 1
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// The test should show failure due to the channel exceeding our max
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// size.
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expectedErr := lnwallet.ErrChanTooLarge(
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chanAmt, funding.MaxBtcFundingAmountWumbo,
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)
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ht.OpenChannelAssertErr(
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wumboNode, wumboNode2,
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lntest.OpenChannelParams{Amt: chanAmt}, expectedErr,
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)
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// We'll now make another wumbo node with appropriate maximum channel
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// size to accept our wumbo channel funding.
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wumboNode3 := ht.NewNode(
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"wumbo3", []string{
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"--protocol.wumbo-channels",
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fmt.Sprintf(
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"--maxchansize=%v",
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int64(funding.MaxBtcFundingAmountWumbo+1),
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),
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},
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)
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// Creating a wumbo channel between these two nodes should succeed.
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ht.EnsureConnected(wumboNode, wumboNode3)
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ht.OpenChannel(
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wumboNode, wumboNode3, lntest.OpenChannelParams{Amt: chanAmt},
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)
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}
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