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🚀 Deploying Preview to Cloudflare 🚀Preview URL: https://feat-ledger-catalog.previews.lib.id, https://feat-ledger-catalog-libid.grounded-systems.workers.dev (commit 5c9d301)This URL reflects your latest Preview deploymentPreview Deployments by commit
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LedgerId gains a CAIP-2 `chain`. `defineLedger` builds a `Ledger` with its name, testnet flag, native currency and uninterpreted named deployments, and derives the eip155 Chain Profile hash as keccak256(abi.encode(chainId)). The catalog starts with Eden testnet, whose hash matches its deployed verifier. BREAKING CHANGE: LedgerId implementations must provide `chain`. Assisted-by: Claude Opus 5.5 Signed-off-by: Wondertan <hlibwondertan@gmail.com>
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Summary
Moves the supported-ledger catalog into
@libid/ledger, so@libid/identityand other consumers share one definition of each chain and its libID deployments.LedgerIdgainschain, a CAIP-2 identifier such aseip155:3735928814. Consumers use it to key wallet sessions and look up networks; ceremony behavior is unchanged.LedgerextendsLedgerIdwith a name, testnet flag, native currency, andaddresses: named deployments the package stores uninterpreted. Consumers give each name its meaning and can require the names they need in their own types.defineLedgervalidates a definition and derives the Chain Profile hash from the chain id. Foreip155that iskeccak256(abi.encode(uint256 chainId)), matchingCeremonyAuthorization.chainId(). Onlyeip155is implemented.ledgers['eden-testnet']is the first catalog entry. The catalog holds no RPC or indexer endpoints; consumers supply those.test:chain ids, and the dev app's synthetic ledger gainschain: 'test:local'. One ceremony test that builds aLedgerIdby hand gainschain.Breaking:
@libid/ledger0.1.0 is published, andLedgerIdgains a requiredchain, so every implementation must add one.defineLedgerdoes not re-validate the notary origin: the ceremony already checks it when a run snapshots the ledger, and doing it here would pull a DOM or Node lib into this package.The RPC and wallet access layer (namespace-keyed queries and commands, the eip155 driver) is planned as a separate follow-up.
Verification
pnpm --filter @libid/ledger build,typecheck,test: 8 tests pass, including a type-level check that catalog literals are preserved; it was confirmed to fail when the expected type is wrong.CeremonyProofVerifier.chainId()read from the deployed verifier (0x76BD…9275,0x70c2…e41c) on 2026-09-30.eip155:1andeip155:31337vectors were computed independently with viem.pnpm build,typecheck,test(ledger 8, popup 154, ceremony 996),lint,fmt:checkandtest:packagespass onmainatcbe7f35.Not run: ceremony Playwright e2e suites (no ceremony runtime changes).