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interop: supervisor_dependencySet API #684

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9d018c3
interop: supervisor_dependencySet API
protolambda Apr 24, 2025
4243a0a
interop: dependency set config rpc versioning
protolambda Jun 10, 2025
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26 changes: 25 additions & 1 deletion specs/interop/supervisor.md
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
- [`SupervisorChainSyncStatus`](#supervisorchainsyncstatus)
- [`SuperRootResponse`](#superrootresponse)
- [`SafetyLevel`](#safetylevel)
- [`DependencySetConfig`](#dependencysetconfig)
- [Methods](#methods)
- [`supervisor_crossDerivedToSource`](#supervisor_crossderivedtosource)
- [`supervisor_localUnsafe`](#supervisor_localunsafe)
Expand All @@ -31,6 +32,7 @@
- [`supervisor_finalizedL1`](#supervisor_finalizedl1)
- [`supervisor_superRootAtTimestamp`](#supervisor_superrootattimestamp)
- [`supervisor_syncStatus`](#supervisor_syncstatus)
- [`supervisor_dependencySet`](#supervisor_dependencyset)
- [`supervisor_allSafeDerivedAt`](#supervisor_allsafederivedat)
- [`supervisor_checkAccessList`](#supervisor_checkaccesslist)
- [Access-list contents](#access-list-contents)
Expand Down Expand Up @@ -121,7 +123,8 @@ Regular JSON number, always integer. Assumed to always fit in 51 bits.
#### `ChainID`

`STRING`:
Hex-encoded big-endian number, variable length up to 256 bits, prefixed with `0x`.
Decimal-encoded string, variable length up to 256 bits.
This supports decoding of hex-encoded values when prefixed with `0x`.
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@emhane emhane Jun 17, 2025

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@sadiq1971


#### `Hash`

Expand Down Expand Up @@ -204,6 +207,17 @@ Corresponds to a verifier [SafetyLevel](./verifier.md#safety).
- `safe`: matching cross-safe, named `safe` to match the RPC label.
- `finalized`

#### `DependencySetConfig`

Defines an interop dependency set.
Includes information to determine the active set of chains at any particular block time.

`OBJECT`:
- `dependencies`: `MAP`:
- key: `ChainID`
- value: `ConfigDependency`: `OBJECT`: empty object. This may be extended in the future.
- `overrideMessageExpiryWindow`: `uint64`: changes the default protocol expiry window time.
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@sebastianst sebastianst Jun 10, 2025

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So this isn't something we only use in tests, but want to have in the specs?

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@protolambda protolambda Jun 11, 2025

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I already suggested to change it to just be messageExpiryWindow, but there is no support/momentum on all the usages of this config code to change it.


### Methods

#### `supervisor_crossDerivedToSource`
Expand Down Expand Up @@ -257,6 +271,16 @@ Parameters: (none)

Returns: `SupervisorSyncStatus`

#### `supervisor_dependencySet`

Retrieves the full dependency set configuration,
to determine which chains are available at any particular block.
The returned configuration may change with new chain upgrades.

Parameters: (none)

Returns: `DependencySetConfig`

#### `supervisor_allSafeDerivedAt`

Returns the last derived block for each chain, from the given L1 block.
Expand Down