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zeekayandHanzo Dev
e900f2b6d2
The 0x80 precompile takes both the verifying key and the public-input count from its caller's calldata, so a caller picks both and they have to agree. Its comment said so — "numInputs must match vk.K length minus 1" — while the code checked only that there were not too many. Too few leaves the trailing K points out of the linear combination and judges the proof against a smaller statement than the key describes, which is the same hole just closed in the VM's own verifier and reachable here by anyone who can call the precompile. The comment described the rule; now the code does. Co-authored-by: Hanzo Dev <[email protected]>
Lux Chains
Independent VM plugin binaries for the Lux Network.
Each directory builds to a standalone binary that the Lux node loads as a plugin via --plugin-dir.
Build
make # build all VMs
make evm # build one VM
make test # test all
Install
lpm install evm
lpm install dexvm
Or copy binaries to ~/.lux/plugins/<vmid>.
VMs
One row per directory in this repo. make derives its target list from the
directory listing, so a VM that has no directory here has no binary — the table
below and ls can never disagree.
Live means the VM has a chain registered on Lux mainnet 96369
(platform.getBlockchains).
| VM | Chain | Live on 96369 | Purpose |
|---|---|---|---|
| evm | C-Chain | ✅ | EVM smart contracts |
| dexvm | D-Chain | ✅ | Decentralized exchange |
| aivm | A-Chain | ✅ | AI/ML inference |
| bridgevm | B-Chain | ✅ | Cross-chain bridge — also owns all cross-chain messaging / relay / teleport (LP-6000); there is no separate teleportvm |
| graphvm | G-Chain | ✅ | GraphQL data layer |
| keyvm | K-Chain | ✅ | Key management |
| quantumvm | Q-Chain | ✅ | Post-quantum consensus signing (Pulsar) |
| zkvm | Z-Chain | ✅ | Groth16 over BLS12-381 (rolls N × ML-DSA-65 sigs into 192-byte proof) |
| identityvm | I-Chain | ❌ built, not deployed | Decentralized identity |
| oraclevm | O-Chain | ❌ built, not deployed | Oracle/off-chain data |
| relayvm | R-Chain | ❌ built, not deployed | Cross-chain relay |
| mpcvm | M-Chain | ❌ built, not deployed | MPC ceremonies (CGGMP21, FROST, Pulsar-general) — bridge custody for external wallets (LP-7100) |
| schain | S-Chain | ❌ built, not deployed | S3-style object storage (on-chain metadata / off-chain blob). Declares its own VMID = ids.ID{'s','c','h','a','i','n'} in schain/factory.go and is not in the canonical luxfi/constants VM-ID registry |
P-Chain (platformvm) and X-Chain (xvm) are in-process core VMs registered by
luxfi/node, not plugins built here. Together with the eight ✅ rows above they
are the ten chains live on 96369.
Not in this repo
| Name | Status |
|---|---|
teleportvm / T-Chain |
Removed. LP-134 dissolves T-Chain with zero remainder: threshold signing → M-Chain, FHE → F-Chain, cross-chain messaging/teleport → B-Chain (bridgevm). LP-5013 and LP-7330 are deprecated by LP-134; see LP-7050 for the migration map. No teleportvm VM ID exists in luxfi/constants. |
servicenodevm |
Never existed. The service-node registry was never built under this name; the S-Chain directory here is schain/ and is object storage, not a registry. |
fhevm / F-Chain |
Unbuilt. luxfi/constants reserves FHEVMID = {'f','h','e','v','m'} and luxfi/node/node/vms.go lists it in OptionalVMs as a plugin named fhevm, so luxd will scan --plugin-dir for it — but there is no fhevm/ directory in this repo and no plugin binary anywhere, so that scan always comes up empty. The FHE runtime library lives at mpcvm/fhe/; it is a package inside mpcvm, not a standalone chain. F-Chain is a spec (LP-8200, LP-167) with no shipping VM. |