`lightning-liquidity`: Add serialization logic, persist service state#4059

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tnull wants to merge 32 commits intolightningdevkit:mainfrom

tnull:2025-01-liquidity-persistence

Commits on Sep 19, 2025

Let `LiquidityManager` take a `KVStore` and add `Sync` wrapper
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Implement serialization for LSPS2 state types
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Implement serialization for LSPS5 state types
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Implement serialization for event queue types
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f Always write *something* for each event to account for `MaybeReadable`
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Add symlink for `async_poll.rs`
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Add `LSPS2ServiceHandler` persistence
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f Hold lock while creating write future
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Add `LSPS5ServiceHandler` persistence
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f Hold lock while creating write future
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Add `EventQueue` persistence
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f Move `Readable`/`Writeable` from `LiquidityEvent` to the ser wrappers
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f Add comment on `OpenChannel` idempotency
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Read persisted LSPS2 service state in `LiquidityManager::new`
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Read persisted LSPS5 service state in `LiquidityManager::new`
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Read persisted event queue state in `LiquidityManager::new`
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Have background processor task drive `LiquidityManger` persistence
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f Parallelize persistence in BP
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Skip `EventQueue` persistence if unnecessary
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f Hold lock while creating write future
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Skip `LSPS2ServiceHandler` persistence if unnecessary
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f Just continue on `persist_peer_state` race
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Add `LSPS2ServiceHandlerSync` wrapper
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f Use lifetimes in `Sync` wrapper
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f Also drop inner `Arc`
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Add inline persistence with async `LSPS2ServiceHandler` API methods
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f Allow for clippy
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Skip `LSPS5ServiceHandler` persistence if unnecessary
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f Just continue on `persist_peer_state` race
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Add test asserting LSPS2 service state is persisted across restarts
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Add test asserting LSPS5 service state is persisted across restarts
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Remove pruned LSPS2/LSPS5 peer state entries from the `KVStore`
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committed

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`lightning-liquidity`: Add serialization logic, persist service state#4059

`lightning-liquidity`: Add serialization logic, persist service state#4059
tnull wants to merge 32 commits intolightningdevkit:mainfrom
tnull:2025-01-liquidity-persistence

Commits on Sep 19, 2025

Let `LiquidityManager` take a `KVStore` and add `Sync` wrapper

Implement serialization for LSPS2 state types

Implement serialization for LSPS5 state types

Implement serialization for event queue types

f Always write something for each event to account for `MaybeReadable`

Add symlink for `async_poll.rs`

Add `LSPS2ServiceHandler` persistence

f Hold lock while creating write future

Add `LSPS5ServiceHandler` persistence

f Hold lock while creating write future

Add `EventQueue` persistence

f Move `Readable`/`Writeable` from `LiquidityEvent` to the ser wrappers

f Add comment on `OpenChannel` idempotency

Read persisted LSPS2 service state in `LiquidityManager::new`

Read persisted LSPS5 service state in `LiquidityManager::new`

Read persisted event queue state in `LiquidityManager::new`

Have background processor task drive `LiquidityManger` persistence

f Parallelize persistence in BP

Skip `EventQueue` persistence if unnecessary

f Hold lock while creating write future

Skip `LSPS2ServiceHandler` persistence if unnecessary

f Just continue on `persist_peer_state` race

Add `LSPS2ServiceHandlerSync` wrapper

f Use lifetimes in `Sync` wrapper

f Also drop inner `Arc`

Add inline persistence with async `LSPS2ServiceHandler` API methods

f Allow for clippy

Skip `LSPS5ServiceHandler` persistence if unnecessary

f Just continue on `persist_peer_state` race

Add test asserting LSPS2 service state is persisted across restarts

Add test asserting LSPS5 service state is persisted across restarts

Remove pruned LSPS2/LSPS5 peer state entries from the `KVStore`

`lightning-liquidity`: Add serialization logic, persist service state#4059tnull wants to merge 32 commits intolightningdevkit:mainlightningdevkit/rust-lightning:mainfrom tnull:2025-01-liquidity-persistencetnull/rust-lightning:2025-01-liquidity-persistenceCopy head branch name to clipboard

Commits

Commits on Sep 19, 2025

`lightning-liquidity`: Add serialization logic, persist service state#4059
tnull wants to merge 32 commits intolightningdevkit:mainfrom
tnull:2025-01-liquidity-persistence