celestiaorg/celestia-node v0.34.3 on GitHub

This release adds initial support for Fibre.

Highlights

Fibre client support: celestia-node now ships a built-in Fibre client, exposed under the new fibre JSON-RPC namespace on Light and Bridge nodes. Blobs are uploaded to Fibre Storage Providers and settled on-chain via an escrow-funded payment model — all driven locally by the node rather than routed through a bridge.

The fibre namespace exposes:

Submit — upload a blob and settle its MsgPayForFibre payment on-chain in one call.
Upload — upload off-chain and settle the payment in the background.
Download — retrieve a blob by its BlobID.
Deposit / Withdraw — fund and unwind the escrow account that pays for storage.
QueryEscrowAccount / PendingWithdrawals — inspect escrow balance and pending exits.
Verified-header state client: DA nodes resolve validator sets and Fibre host addresses from the locally verified header chain (ABCI queries with Merkle-proof verification), so host discovery and payment validation don't rely on a trusted gRPC endpoint. [https://github.com//pull/5220]

Requirements & notes

Requires a configured core endpoint running celestia-app v10 (with the x/fibre and x/valaddr modules). Fibre is unavailable when no core endpoint is set.

Breaking changes & upgrade notes

Blob CLI input: blob submit now treats unprefixed blob data as plain text. Scripts that submit hexadecimal data must add the 0x prefix to preserve the submitted bytes.
Staking CLI arguments: state delegate and state undelegate now accept exactly two arguments: validator address and amount. Remove extra arguments used to work around the previous four-argument requirement.
Go API changes: blob.NewService now requires a HeaderService with GetByHeight and WaitForHeight methods instead of a header-getter function. Custom implementations of nodebuilder/blob.Module must also implement SubscribeFromStartHeight.
Go version: Source builds now require Go 1.26.8 or later.

Highlights

Initial Fibre client support: Light and Bridge nodes expose a new fibre JSON-RPC namespace for blob uploads, downloads and escrow management. Submit uploads a blob and settles its payment on-chain. Upload returns before settlement completes; background settlement failures are logged. Withdrawals are subject to an unbonding period.
Verified Fibre discovery: DA nodes obtain validator sets from their locally verified header chain. Fibre host records are verified through ABCI queries with Merkle proofs against the local header’s application hash.
SHREX reliability and memory improvements: Fixes a peer cooldown deadlock, synchronises peer-pool cleanup and prevents unused pools from accumulating. EDS serving also avoids retaining the whole original data square in the proof cache.
IPv6 endpoint support: Endpoint configuration now handles IPv6 literals, including bracketed addresses with ports.

What's Changed

feat: add fibre support to celestia-node by @vgonkivs in #5220
chore(deps): bump the go-deps group across 1 directory with 2 updates by @dependabot[bot] in #5226
config: Support IPv6 literal endpoints by @neyy91 in #5168
fix(test): remove Corto network from TestBootstrapperHealth by @vgonkivs in #5227
fix(share/shwap): bound rows read in NamespaceData.ReadFrom by @vgonkivs in #5229
chore(deps): bump github.com/celestiaorg/nmt from v0.24.4 to v0.24.5 by @rootulp in #5230
ci: sync GitHub releases to the Linear release pipeline by @rootulp in #5232
chore(deps): bump the go-deps group across 2 directories with 7 updates by @dependabot[bot] in #5234
shrex/peers: Avoid cooldown lock-order deadlock by @neyy91 in #5179
chore: remove Slava from PRs assignment by @rootulp in #5236
chore(deps): bump app to v10.1.0-corto and core to v0.42.0 by @rach-id in #5238
ci: disable Mergify merge queue comments by @rootulp in #5240
chore(deps): bump celestia-app to v10.1.0-mocha by @ninabarbakadze in #5239
state: Fix flaky TestSubmitFromCustomAccount balance assertions by @rootulp in #5243
ci: authenticate Codecov uploads with OIDC by @rootulp in #5242
chore(deps): bump linear/linear-release-action from 0.17.2 to 0.18.0 by @dependabot[bot] in #5245
chore(deps): bump go-libp2p to v0.50.0 by @rach-id in #5247
chore(deps): bump codecov/codecov-action from 7.0.0 to 7.1.1 by @dependabot[bot] in #5244
chore(deps): enforce 7-day dependency cooldown by @rootulp in #5249
fix(shrex): reserve what the server holds by @vgonkivs in #5251
chore: remove celestia-app v9 dependency by @vgonkivs in #5252
fix(ci): tolerate small project coverage fluctuations by @rootulp in #5290
fix(shrex): synchronize peer pool cleanup by @rootulp in #5293
fix(fibre/stateclient): bound the host query in GetHost by @kriss39 in #5297
fix(ci): pin reusable Docker workflows to commit SHA by @rootulp in #5289
fix(shrex/peers): don't keep pools in managers without shrexsub by @kriss39 in #5256
fix(nodebuilder/blob): stop prefixing blob data with 0x in submit by @0xShadowX in #5262
feat(das): add das_sampling_head_lag metric by @operagxsasha in #5307
chore(deps): bump the go-deps group across 2 directories with 3 updates by @dependabot[bot] in #5308
fix(share/shwap): return an error for an unknown row side in JSON by @0xShadowX in #5286
fix(nodebuilder/state): accept two arguments in delegate and undelegate by @shiaho777 in #5313
chore(deps): bump celestia-app to v10.4.0-corto and celestia-core to v0.42.3 by @renaynay in #5317
chore(deps): bump celestia-app to v10.4.0-mocha and celestia-core to v0.42.3 by @rach-id in #5316
fix(share/shwap): reset RangeNamespaceData on ReadFrom by @kriss39 in #5255
fix(share/shwap): bound proof node count in wire decoders by @FlashWayne in #5270
test(api): [low] wait for consensus height before fetching blocks by @rootulp in #5318
chore(deps): bump celestia-app to v10.4.0 mainnet by @rach-id in #5321

New Contributors

@kriss39 made their first contribution in #5297
@0xShadowX made their first contribution in #5262
@operagxsasha made their first contribution in #5307
@shiaho777 made their first contribution in #5313
@FlashWayne made their first contribution in #5270

Full Changelog: v0.33.2...v0.34.3