Bridge CLI

CLI for bridging assets between Mina and Zeko.

zeko-bridge is built around a single high-level bridge command, which signs, submits, waits, retries transient network checks, advances queued claims in order, and streams progress until the requested bridge completes.

Lower-level commands still exist, but they are advanced tools for debugging, recovery, and explicit operator control.

The package is maintained in the private Zeko monorepo and mirrored to zeko-labs/bridge-cli for public source, issues, and releases.

Status

Enabled routes:

• mina:testnet -> zeko:testnet
• zeko:testnet -> mina:testnet

Known but not yet enabled:

• mina:mainnet -> zeko:mainnet
• zeko:mainnet -> mina:mainnet
• eth:testnet -> zeko:testnet
• zeko:testnet -> eth:testnet
• eth:mainnet -> zeko:mainnet
• zeko:mainnet -> eth:mainnet

Installation

Install globally:

npm install -g @zeko-labs/bridge-cli

Or run it directly:

npx -y @zeko-labs/bridge-cli bridge --from mina:testnet --to zeko:testnet --amount 1

The npm release is a single built JavaScript tarball. There are no platform-specific bridge-cli packages.

Configuration

The CLI signs transactions from environment variables only in v1.

Required variables:

Variable	Required	Description
WALLET_PRIVATE_KEY	yes	Shared wallet private key used for all currently supported routes.

For human CLI usage, zeko-bridge auto-loads dotenv files in this order before falling back to inherited shell environment variables:

1. ~/.zeko/.env
2. a sibling .env next to the CLI binary
3. a sibling .env next to the invocation path

Earlier files win over later files. If none of those files provide WALLET_PRIVATE_KEY, the CLI falls back to the existing exported environment variable.

Recommended Usage

bridge

Use bridge by default.

zeko-bridge bridge --from mina:testnet --to zeko:testnet --amount 1
zeko-bridge bridge --from zeko:testnet --to mina:testnet --amount 3 --recipient B62q...
zeko-bridge bridge --from mina:testnet --to zeko:testnet --amount 1 --json

Flags:

Flag	Description
--from	Source chain reference. Defaults to mina:testnet.
--to	Destination chain reference. Defaults to zeko:testnet.
--amount	Amount in Mina units.
--recipient	Optional destination account. Defaults to the account derived from the active signer.
--timeout-slots	Optional deposit timeout override for Mina-originated bridges.
--json	Emit the final result as JSON on stdout. Progress continues on stderr.

Behavior:

• waits for completion by default
• retries transient bridge status and capability checks
• keeps printing useful progress during long waits without spamming every poll
• advances earlier queued claims in order when the account already has pending bridge work
• writes structured logs to disk for debugging and recovery
• is intended to complete unattended from a single CLI invocation, even when the network wait is very long
• validation of that unattended contract is only valid if the same original bridge process remains alive through completion; local persisted operation state alone is not proof that the live command is still running

Current Protocol Notes

• Archive queries are most reliable when they scan recent history in roughly 10_000-block windows instead of using a giant from=0 range.
• After submitDeposit, long waits in waiting-submission are primarily an L1 visibility/finality concern. Mina-side progression can be slow, so a long pre-target wait does not by itself imply a stuck proof or sequencer bug.
• After a deposit has a target index, canFinalizeDeposit and canCancelDeposit still depend on the sequencer committing enough state to make the capability checks true. Long waits in waiting-finalization can therefore also be normal sequencer-side delay rather than a broken command loop.
• The Invalid key failure mode is not a general long-wait condition. It applies only after finalizeDeposit has been submitted and the server-side proof request then takes too long to complete. If that post-finalize proving step runs for roughly an hour or longer, the sequencer may evict the proof request from memory and later return Invalid key. That case is currently treated as a terminal failure and is not yet automatically recoverable.
• A cancellable deposit can never be finalized.
• Deposit queue behavior is asymmetric:
  • cancellable deposits are skippable
  • finalizable deposits must never be skipped
  • the protocol uses lastFinalizedDeposit on L2 and lastCancelledDeposit on L1, and only deposits with higher indices than those state values may be claimed
• The CLI does not fully implement cancellable-deposit skipping yet. The current behavior is documented here so operators understand the protocol rule and the current gap.

JSON Result

--json prints a final object like:

{
	"success": true,
	"operation_id": "f3d3d12a-8a1c-4b8b-9a1e-2a6e6bc7a1d7",
	"route": "mina:testnet->zeko:testnet",
	"direction": "deposit",
	"status": "completed",
	"amount": "1",
	"recipient": "B62qexample",
	"submitted_transactions": [
		{ "action": "submit", "hash": "5Jsubmit" },
		{ "action": "finalize", "hash": "5Jfinalize" }
	],
	"final_transaction": {
		"action": "finalize",
		"hash": "5Jfinalize",
		"explorerUrl": "https://zekoscan.io/testnet/tx/5Jfinalize"
	},
	"explorer_urls": ["https://zekoscan.io/testnet/tx/5Jfinalize"],
	"log_path": "/Users/example/Library/Logs/zeko-bridge/f3d3d12a-8a1c-4b8b-9a1e-2a6e6bc7a1d7.jsonl"
}

Advanced Commands

These commands are supported, but bridge is the default path for normal usage:

• deposit for low-level Mina-to-Zeko submit/finalize/cancel/status control
• withdrawal for low-level Zeko-to-Mina submit/finalize/status control
• operation for listing, inspecting logs, and resuming persisted operations
• tui for viewing active and recent operations in OpenTUI
• doctor for checking local paths, signer env status, and known routes

Use them when you need explicit low-level recovery or debugging. If you are simply trying to bridge, use bridge.

Logs And State

The CLI writes:

• persisted operation state under the OS/XDG state directory
• append-only JSONL logs under the OS/XDG log directory

Use operation logs <operation-id> to inspect the recorded event stream for a specific bridge.

operation status now refreshes the persisted session with live SDK/network reads before printing it, and it emits a short stderr progress line first so the terminal does not look hung during that refresh. operation list still reads local persisted state only.

operation status is a recovery/debugging command, not a validation runner. It does not replace the original long-lived bridge process, it does not sign follow-up transactions on its own, and it must not be used as a polling loop to claim that a one-command bridge validation is still alive.

Manual Validation

For funded real-network validation, run the built CLI directly so one long-lived bridge process owns the whole attempt:

export WALLET_PRIVATE_KEY='<wallet private key>'
node ./packages/bridge-cli/dist/cli.js bridge --from mina:testnet --to zeko:testnet --amount 1 --json --verbose

export WALLET_PRIVATE_KEY='<wallet private key>'
node ./packages/bridge-cli/dist/cli.js bridge --from zeko:testnet --to mina:testnet --amount 1 --json --verbose

Keep that same command alive through completion. Progress stays on stderr and the final JSON result stays on stdout.

Development

Run from the monorepo root:

moon run bridge-cli:build
moon run bridge-cli:typecheck
moon run bridge-cli:test
moon run bridge-cli:lint