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test: attempt to account for internal block race in htlc force close test

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In this commit, we modify the
testMultHopRemoteForceCloseOnChainHtlcTimeout test slightly to attempt
to account for a block race between the arrival of a message betwen the
contract resolver and the utxo nursery. If this message arrives "late"
(relative to the speed with which we mine blocks in test), then it'll be
detected as such by the utxo nursery. However, since we attempt to mine
a precise number of blocks, if this happens, then we'll never actually
mine that extra block to trigger a broadcast of the sweep transaction.
This commit is contained in:
Olaoluwa Osuntokun 2018-05-03 16:38:54 -07:00
parent ddd12eff9c
commit 1e7f2c32e9
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GPG Key ID: 964EA263DD637C21
1 changed files with 15 additions and 2 deletions
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17
lnd_test.go
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@ -7049,9 +7049,22 @@ func testMultHopRemoteForceCloseOnChainHtlcTimeout(net *lntest.NetworkHarness,
// Bob's sweeping transaction should now be found in the mempool at
// this point.
_, err = waitForTxInMempool(net.Miner.Node, time.Second*20)
_, err = waitForTxInMempool(net.Miner.Node, time.Second*10)
if err != nil {
t.Fatalf("unable to find bob's sweeping transaction: %v", err)
// If Bob's transaction isn't yet in the mempool, then due to
// internal message passing and the low period between blocks
// being mined, it may have been detected as a late
// registration. As a result, we'll mine another block and
// repeat the check. If it doesn't go through this time, then
// we'll fail.
if _, err := net.Miner.Node.Generate(1); err != nil {
t.Fatalf("unable to generate block: %v", err)
}
_, err = waitForTxInMempool(net.Miner.Node, time.Second*10)
if err != nil {
t.Fatalf("unable to find bob's sweeping "+
"transaction: %v", err)
}
}
// If we mine an additional block, then this should confirm Bob's