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📝 WalkthroughWalkthroughThe CLI adds commands to inspect subsidy providers advertised by a node and report provider status. Paid compute and service commands accept optional provider selections, with distinct handling for omitted, empty, and explicit values. ChangesSubsidy provider support
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant CLI
participant Commands
participant NodeStatus
participant SubsidyView
CLI->>Commands: getSubsidyStatus(token, opts)
Commands->>NodeStatus: Read current node status
NodeStatus-->>Commands: Return advertised provider addresses
loop Each selected provider
Commands->>SubsidyView: Query provider subsidy status
SubsidyView-->>Commands: Return provider data
end
Commands-->>CLI: Print provider reports
Merge Risk: 🔵 Low · up to Invalid provider selections cause unnecessary initialization and a misleading payment prompt, but do not submit payment. The change is mergeable with this bounded validation-order issue addressed or accepted for follow-up. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The new selection remains separate from existing payer, payment-chain, escrow, and confirmation controls. No introduced authorization bypass or signer substitution was established. Risk remains above minimal because provider enforcement and payment recovery across the CLI, node, and contracts could not be fully verified. Retained concerns Security review detailsSecurity Blast Radius
Trust Boundaries and Controls
Hardening Proposals
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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🧪 Generate unit tests (beta)
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alexcos20
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alexcos20
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AI automated code review (Gemini 3).
Overall risk: low
Summary:
This is an exceptionally well-crafted PR. The architecture correctly treats the node as the source of truth for subsidy providers. The implementation of the tri-state --subsidyProviders logic is robust, error handling is thorough, and the new getSubsidyStatus command is a comprehensive and helpful tool. The careful use of ethers.getAddress for address normalization and intersection logic is great to see. LGTM!
Comments:
• [INFO][other] Just a small note: the opts.amount value is passed directly to quoteSubsidy as a string. Depending on the token contract and ocean.js implementation, this might expect a Wei-formatted string (e.g. '1000000000000000000' for 1 token). If users typically provide natural units (e.g., '1.5') on the CLI, you might want to consider parsing it using ethers.parseUnits(opts.amount, decimals) first. If CLI users are already expected to pass Wei strings or if the lib handles it internally, this is perfectly fine as-is!
• [INFO][style] Excellent handling of the tri-state logic here! Preserving the distinction between omitting the flag (node default) and explicit empty arrays (no subsidy) is a very clean and robust solution for interacting with the ocean.js APIs without breaking expected payloads.
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @src/cli.ts:
- Around line 1248-1257: Move the `parseSubsidyProviders` validation block
before `initializeSigner()` in the command flow, alongside the `serviceIds`
length check. Keep its existing error message and early return so invalid
`--subsidyProviders` values are rejected before compute initialization and
payment prompts.
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CLAUDE.mdREADME.mdpackage.jsonsrc/cli.tssrc/commands.tssrc/helpers.tssrc/nodeConnection.tstest/subsidyProviders.test.ts
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1 participant
Add Subsidy Provider support (view, select, and inspect credit)
Summary
Adds first-class subsidy provider support to the CLI, wrapping the new on-chain subsidy machinery
(contracts #1052, Ocean Node
#1479 /
#1485) and the ocean.js wrappers
(#2158 /
#2160 /
#2163). A user can now:
Subsidy providers are on-chain contracts that sponsor part or all of a job's cost (a subsidy released
back to the payer, plus an optional bonus to the node), subject to allow-lists, job-type restrictions and
per-period caps. The Ocean Node is the single source of truth for which providers are usable — a node
may not support subsidies at all — so the CLI always reads provider addresses from the node's status,
never from bundled contract addresses.
Changes
src/nodeConnection.tsnodeSubsidyInfo(status)extractor (mirrorsnodeChainIds): returns{ providers: Record<chainId, string[]>, filter: boolean }from the node's status. Reads the fields viaa local narrowing cast (the ocean.js
NodeStatustype does not yet declare them, but the node returnsthem at runtime), defaulting to
{}/falsefor older nodes.src/helpers.tsparseSubsidyProviders(raw?)implementing the Ocean Node tri-state for the--subsidyProvidersflag: flag omitted →undefined(node default);none/empty →[](explicitly nosubsidy); CSV → EIP-55-normalized
string[]. Throws on a malformed address. Preservingundefinedvs[]matters because the ocean.js request body is truthy-guarded and[]is still transmitted.src/commands.tscomputeStartgains asubsidyProviders?: string[]param, forwarded as the trailing arg toProviderInstance.computeStart(...)(filling the intervening optional slots).initializeComputeisintentionally not touched — the subsidy applies at escrow-claim time, not at the payment preview.
startServicegains asubsidyProvidersoption, added to theServiceStartParams.extendServicegains asubsidyProviders?param, forwarded as the trailing arg toProviderInstance.serviceExtend(...).getSubsidyStatus(token, opts)— a read-only, provider-agnostic report backed by theocean.js
SubsidyViewbase wrapper, with kind-specific detail fromOPFSubsidyProvider(rollingday/week/month) and
OneTimeSubsidyProvider(cumulative credit). Per discovered provider it prints thekind, per-window buckets (limit / used / remaining / reset), the amount claimable now
(
remainingSubsidy), the contract's available balance, eligibility, and an optional quote(
{subsidy, bonus}) when--node/--jobType/--amountare given.resolveSubsidyProviderAddresses(chainId, nodeProviders, override?)— resolves thecontract addresses only from the node's advertised
subsidyProviders[chainId];--subsidymerelynarrows to a node-advertised subset (addresses the node did not advertise are dropped with a warning).
Never reads
config.SubsidyProviders/ADDRESS_FILE.mapJobType(str?)— mapscompute|service|none(or a raw number) to the on-chainJobTypeenum (NONE=0, COMPUTE=1, SERVICE=2).subsidyKind()as the liveness probe rather than gating onisSubsidyView(): thenode already vouches for these providers, so a provider is only skipped if
subsidyKind()reverts.src/cli.tsgetSubsidyProviderscommand (aliassubsidyProviders) — prints the node's per-chain providersand whether
subsidyProviderFilteris on. Node-dependent (not inNODE_FREE_COMMANDS), implementedinline like
getNode.getNodenow also prints the subsidy info via a sharedprintSubsidyInfohelper.getSubsidyStatuscommand (aliassubsidyStatus) —--token,--chainId,--subsidy,--node,--jobType,--amount; routes the signer withrouteExplicitlike the escrow getters.--subsidyProvidersoption added tostartCompute,startServiceandextendService, parsed withparseSubsidyProvidersand threaded through.startFreeComputeis intentionally left unchanged (a freejob does no escrow claim).
HELP_GROUPSentry covering both commands (keepsassertHelpGroupsCoverAllsatisfied).Docs & tests
README.md— new Subsidy Providers section documenting the three commands and the--subsidyProvidersflag.CLAUDE.md— added the Subsidy-providers entry to the command inventory, noting the node-as-source-of-truth rule and the ocean.js wrappers used.
test/subsidyProviders.test.ts— new unit test (no infra) covering theparseSubsidyProviderstri-state and EIP-55 normalization.
Design notes
lib's bundled addresses could list a contract the node will never claim against, so the node's status is
authoritative.
subsidyProviderstri-state is preserved end-to-end (omit → node default,none/[]→ no subsidy,list → those), matching Ocean Node / ocean.js semantics.
SubsidyView+ ERC-165 mean the same command works for OPF rolling-window providers, one-time onboarding-credit providers, and any future
ISubsidyViewprovider.Dependencies
@oceanprotocol/lib→9.3.0-next.2(addsSubsidyView/OPFSubsidyProvider/OneTimeSubsidyProvider, thesubsidyProvidersrequest threading, and theisSubsidyView/supportsInterfacefix verified against live Base contracts).@oceanprotocol/contracts→^3.1.0(ISubsidyView / OneTimeSubsidyProvider + new escrow claim ABI).Summary by CodeRabbit
--subsidyProvidersto paid compute, service start, and service extension commands. Omit it to use node defaults, passnoneor an empty value to select no providers, or provide a comma-separated list to choose specific providers.startFreeComputeignores--subsidyProviders.