(test) Test that tokens are successfully forwarded from A to C through B #6758
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bznein
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| channelBToCCallback := func() ibc.ChannelOutput { | ||
| ctx := context.TODO() | ||
| // Creating a new path between chain B and chain C with a ICS20-v1 channel | ||
| opts := s.TransferChannelOptions() | ||
| opts.Version = transfertypes.V1 | ||
| chains := s.GetAllChains() | ||
| channelBtoC, _ := s.CreatePath(ctx, chains[1], chains[2], ibc.DefaultClientOpts(), opts) | ||
| s.Require().Equal(transfertypes.V1, channelBtoC.Version, "the channel version is not ics20-1") | ||
| return channelBtoC | ||
| } | ||
| s.testForwardingThreeChains(channelBToCCallback) | ||
| } |
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These two tests are identical, they only differ in the fact that the channel from B to C in one is the regular one we create in the setup, while in this one is a v1 channel.
I extracted all to a common function which accepts a parameter that specifies how the channel from B to C is obtained. This test overrides it, while the other one (below) simply returns the one already created.
e2e/testsuite/testsuite.go
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| type ChainChannelPair struct { | ||
| ChainIdx int | ||
| ChannelIdx int | ||
| } | ||
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This might bloat a bit the file, but I'm not a fan of passing magic numbers around (it would be easy to switch them by mistake)
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agree. don't know if we have consistency on this atm, though. might need replacements elsewhere (admittedly mixed usage would be worse)
| }) | ||
| } | ||
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| func (s *TransferForwardingTestSuite) testForwardingThreeChains(channelBToCCallback func() ibc.ChannelOutput) { |
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I feel like callback is more appropriate when you want to execute something based on something that has happened. But this is just an option, happy to go with it:
| func (s *TransferForwardingTestSuite) testForwardingThreeChains(channelBToCCallback func() ibc.ChannelOutput) { | |
| func (s *TransferForwardingTestSuite) testForwardingThreeChains(createChannelBToC func() ibc.ChannelOutput) { |
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It makes sense, though I was talking to Cian on Thursday and it does not actually make sense to over-complicate by passing a function, we can leave the logic in the test (see newest commit)
e2e/testsuite/testsuite.go
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| ChainIdx int | ||
| ChannelIdx int |
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think negative values aren't handled atm (plus uints just make sense as the type for indices)
| ChainIdx int | |
| ChannelIdx int | |
| ChainIdx uint64 | |
| ChannelIdx uint64 |
e2e/testsuite/testsuite.go
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| type ChainChannelPair struct { | ||
| ChainIdx int | ||
| ChannelIdx int | ||
| } | ||
|
|
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agree. don't know if we have consistency on this atm, though. might need replacements elsewhere (admittedly mixed usage would be worse)
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…h B (#6758) * Create new forwarding test * Use a struct rather than raw fields * better docstring * Change a type and remove callback * Fix type
Description
This was very similar to the test that performs the same but with C being
ics20-1.Since the two tests are almost identical, I refactored in a single function and just wrap them into two tests that differ slightly.
ref: #6578
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