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Eviction popped the heap. The heap is ordered highest-fee-first, so a full pool discarded its best payer — inverting the fee market and throwing away exactly the transaction the next block would have taken first. It then removed that same transaction a second time by ID. The variable was called lowest. A full pool now gives up whatever pays least, and refuses an arrival that is itself the cheapest, since accepting it would mean dropping a better transaction for a worse one. The heap's root is the most expensive, so the cheapest is found by walking it; the pool is bounded and this runs only when it is full. MempoolTx.priority was written in three places and read in none. That would be harmless dead weight except that GetPendingTransactions sorts a copy of the heap which holds the same pointers, so sorting wrote through them while holding only a read lock. Removing the field removes the race with it — the detector reports it as a write in TxHeap.Swap once the field is put back. 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. |
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