node: introduce nodebuilder component registry#20473
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AskAlexSharov merged 1 commit intoApr 13, 2026
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Add node/nodebuilder/Builder as a single registry for extracted components. Currently holds only Downloader; Storage will be added next. backend.go: replace the inline downloaderProvider field with backend.components (a *nodebuilder.Builder). All downloaderProvider references become backend.components.Downloader. This is minimal scaffolding — the builder will grow as components are extracted from backend.go (storage, txpool, sentry, etc).
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AskAlexSharov
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Apr 13, 2026
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fyi: we have |
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Summary
Introduces
node/nodebuilder/Builderas the central registry for extracted components. Replaces the inlinedownloaderProviderfield on the Ethereum struct withbackend.components— a single access point for all componentized subsystems.Currently holds only Downloader; Storage will be added in the next PR.
Changes
node/nodebuilder/builder.go— Builder struct withBuildDownloadermethodnode/eth/backend.go— replacedownloaderProviderfield withcomponents *nodebuilder.Builder, update all referencesThis is minimal scaffolding that grows as components graduate from backend.go.
Test plan
make lintpassesmake erigonbuildsDepends on: #20472 (auth plugin)