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Refactor chain manager subnets #2711
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joshua-kim
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Feb 7, 2024
Signed-off-by: Joshua Kim <20001595+joshua-kim@users.noreply.github.com>
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aaronbuchwald
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Feb 7, 2024
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LGTM with optional nits
Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Signed-off-by: Joshua Kim <20001595+joshua-kim@users.noreply.github.com>
darioush
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Running locally resulted in:
[02-10|13:01:49.389] INFO node/node.go:899 initializing chains
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x2 addr=0x0 pc=0x1028a12c8]
goroutine 1 [running]:
github.com/ava-labs/avalanchego/chains.(*Subnets).Get(0x0?, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...})
/Users/stephen/go/src/github.com/ava-labs/avalanchego/chains/subnets.go:50 +0x28
github.com/ava-labs/avalanchego/chains.(*manager).StartChainCreator(0x14002a64380, {{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...}, ...})
/Users/stephen/go/src/github.com/ava-labs/avalanchego/chains/manager.go:1337 +0x4c
github.com/ava-labs/avalanchego/node.(*Node).initChains(0x1400024b200, {0x1400175f800, 0x1bc2, 0x3800})
/Users/stephen/go/src/github.com/ava-labs/avalanchego/node/node.go:910 +0x12c
github.com/ava-labs/avalanchego/node.New(0x140000d7600, {0x1039e9b18, 0x14000362380}, {0x1039f0320, 0x14000398080})
/Users/stephen/go/src/github.com/ava-labs/avalanchego/node/node.go:261 +0x14e4
github.com/ava-labs/avalanchego/app.New({{{0x6fc23ac00, 0x6fc23ac00, 0x6fc23ac00, 0x1bf08eb000}, {{0x0, {...}}, {0x0, 0x0}, {0x0, {...}, ...}, ...}, ...}, ...})
/Users/stephen/go/src/github.com/ava-labs/avalanchego/app/app.go:73 +0x3a0
main.main()
/Users/stephen/go/src/github.com/ava-labs/avalanchego/main/main.go:48 +0x2cc
(which is presumably why all the E2E tests are failing).
Co-authored-by: Stephen Buttolph <stephen@avalabs.org> Signed-off-by: Joshua Kim <20001595+joshua-kim@users.noreply.github.com>
StephenButtolph
approved these changes
Feb 12, 2024
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Why this should be merged
Needed as a pre-requisite to remove
vm.Initialize
. This refactors the currently running subnets into its own struct, so it can be shared with a futurechains.Factory
struct which will be responsible for creatingchain
instances (currently this is created internally in the chain manager). Ideally we'll have a chain factory to create chains and a chain manager that holds the chains that are currently running. This way, the chain manager doesn't need to know about the p-chain at all since the caller can choose arguments passed into the chain factory instead and the p-chain logic can be in the caller instead of inchains/manager
How this works
Refactors currently running subnets into its own struct
How this was tested
Added unit tests