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WIP: add state sync integration test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| // Copyright (C) 2024, Ava Labs, Inc. All rights reserved. | ||
| // See the file LICENSE for licensing terms. | ||
|
|
||
| package statesync | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
| ) | ||
|
|
||
| var _ Syncer[interface{}] = (*BlockWindowSyncer[interface{}])(nil) | ||
|
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| type BlockSyncer[T any] interface { | ||
| Accept(ctx context.Context, block T) (bool, error) | ||
| } | ||
|
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| type BlockWindowSyncer[T any] struct { | ||
| syncer BlockSyncer[T] | ||
| doneOnce sync.Once | ||
| done chan struct{} | ||
| } | ||
|
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| func NewBlockWindowSyncer[T any](syncer BlockSyncer[T]) *BlockWindowSyncer[T] { | ||
| return &BlockWindowSyncer[T]{ | ||
| syncer: syncer, | ||
| done: make(chan struct{}), | ||
| } | ||
| } | ||
|
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| func (b *BlockWindowSyncer[T]) Start(ctx context.Context, target T) error { | ||
| done, err := b.syncer.Accept(ctx, target) | ||
| if done { | ||
| b.doneOnce.Do(func() { | ||
| close(b.done) | ||
| }) | ||
| } | ||
| return err | ||
| } | ||
|
|
||
| func (b *BlockWindowSyncer[T]) Wait(ctx context.Context) error { | ||
| select { | ||
| case <-b.done: | ||
| return nil | ||
| case <-ctx.Done(): | ||
| return fmt.Errorf("failed to await full block window: %w", ctx.Err()) | ||
| } | ||
| } | ||
|
|
||
| func (b *BlockWindowSyncer[T]) Close() error { | ||
| return nil | ||
| } | ||
|
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||
| func (b *BlockWindowSyncer[T]) UpdateSyncTarget(ctx context.Context, target T) error { | ||
| done, err := b.syncer.Accept(ctx, target) | ||
| if done { | ||
| b.doneOnce.Do(func() { | ||
| close(b.done) | ||
| }) | ||
| } | ||
| return err | ||
| } |
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