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Appendix G: Infrastructure

Overview of currently deployed contracts, bridges, and legacy systems.

Note: Addresses marked [TBD] are pending deployment or verification and will be populated before final publication.

Core Protocol (Ethereum Mainnet)

Token Contracts

Token Address Notes
USDS 0xdC035D45d973E3EC169d2276DDab16f1e407384F Sky stablecoin
sUSDS 0xa3931d71877C0E7a3148CB7Eb4463524FEc27fbD Savings token
SKY 0x56072C95FAA701256059aa122697B133aDEd9279 Governance token
DAI 0x6B175474E89094C44Da98b954EedeAC495271d0F Legacy stablecoin
MKR 0x9f8F72aA9304c8B593d555F12eF6589cC3A579A2 Legacy governance

Core Modules

Contract Address Purpose
Vat 0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B Core accounting engine
Pot 0x197E90f9FAD81970bA7976f33CbD77088E5D7cf7 DSR accumulator
Jug 0x19c0976f590D67707E62397C87829d896Dc0f1F1 Stability fee accumulator
Vow 0xA950524441892A31ebddF91d3cEEFa04Bf454466 System surplus/debt

PSM (Peg Stability)

Contract Address Asset
LitePSM USDC [TBD] USDC ↔ USDS

Prime Agent Infrastructure

Spark

Contract Address Purpose
Spark SubProxy 0x3300f198988e4C9C63F75dF86De36421f06af8c4 Treasury
SparkLend Pool [TBD] Lending market

Spark Liquidity Layer (SLL)

Mainnet:

Contract Address Purpose
ALM Proxy [TBD] Custody/execution
MainnetController [TBD] Action orchestration
RateLimits [TBD] Operation caps

Core Operator Multisig: 0x8Cc0Cb0cfB6B7e548cfd395B833c05C346534795 (2/5)

Grove

Contract Address Purpose
Grove SubProxy 0x1369f7b2b38c76B6478c0f0E66D94923421891Ba Treasury

Keel

Contract Address Purpose
Keel SubProxy 0x355CD90Ecb1b409Fdf8b64c4473C3B858dA2c310 Treasury

Obex

Contract Address Purpose
Obex SubProxy 0x8be042581f581E3620e29F213EA8b94afA1C8071 Treasury

Multi-Chain Deployments

SkyLink Supported Chains

Chain Status USDS sUSDS
Ethereum Active Native Native
Base Active Bridged Bridged
Arbitrum Active Bridged Bridged
Optimism Active Bridged Bridged
Unichain Active Bridged Bridged
Avalanche Active Bridged Bridged

Chain-Specific Contracts

[To be populated with per-chain addresses]

Bridge Infrastructure

CCTP (Circle Cross-Chain Transfer Protocol)

Route Status Notes
Ethereum ↔ Base Active USDC bridging
Ethereum ↔ Arbitrum Active USDC bridging
Ethereum ↔ Optimism Active USDC bridging
Ethereum ↔ Avalanche Active USDC bridging

DeFi Integrations (Core Halos)

Morpho

Instance Chain Asset Address
Morpho DAI Ethereum DAI [TBD]
Morpho USDS Ethereum USDS [TBD]
Morpho USDC Ethereum USDC [TBD]
Morpho Blue USDC Base USDC [TBD]

Aave

Instance Chain Asset Address
Aave V3 Ethereum Various [TBD]

Governance Infrastructure

Voting & Execution

Contract Address Purpose
Chief 0x0a3f6849f78076aefaDf113F5BED87720274dDC0 Governance voting
Pause 0xbE286431454714F511008713973d3B053A2d38f3 Executive delay

Oracles

Oracle Address Purpose
PIP_SKY [TBD] SKY price oracle
Capped OSM [TBD] Price cap wrapper

Legacy Systems

Vault Types (Selected)

Vault Collateral Status
ETH-A ETH Active
ETH-B ETH Active
ETH-C ETH Active
WBTC-A WBTC Active
WSTETH-A wstETH Active

Deprecated Contracts

Contract Purpose Replacement
[Legacy PSMs] Peg stability LitePSM
[Old vault types] Various Consolidated

Emergency Infrastructure

Emergency Response

Address Role Purpose
Freezer Multisig [TBD] Emergency freeze capability
ERG Contacts [Operational] Incident response

Planned Infrastructure (Post-Laniakea)

Component Purpose Status
Laniakea Factory PAU deployment Development
LCTS Contracts Queue-based tokens Development
Configurator Unit BEAM hierarchy Development
Sentinel Infrastructure Autonomous operations Design

Note: Addresses marked [TBD] need to be populated. This appendix should be kept current as infrastructure is deployed or deprecated.