fxUSD/ETH Market
Status: ✅ Deployed - Production v1 deployment on Ethereum mainnet
The fxUSD/ETH market allows users to mint pegged tokens (haETH) and leveraged tokens (hsFXUSD-ETH) using fxUSD (via fxSAVE) as collateral.
Market overview
| Token | Role |
|---|---|
| haETH | Pegged token — ETH exposure |
| hsFXUSD-ETH | Leveraged token — variable ETH exposure |
Collateral: fxUSD via the fxSAVE vault.
Contract addresses (Mainnet)
Proxy keys and CREATE3 salt strings: Generic → Mainnet proxy table. Authoritative file: deployments/mainnet/harbor_v1.state.json.
- minter (
ETH::fxUSD::minter):0xd6E2F8e57b4aFB51C6fA4cbC012e1cE6aEad989F - peggedToken (
ETH::pegged):0x7A53EBc85453DD006824084c4f4bE758FcF8a5B5(haETH) - leveragedToken (
ETH::fxUSD::leveraged):0x0Cd6BB1a0cfD95e2779EDC6D17b664B481f2EB4C(hsFXUSD-ETH) - reservePool (
ETH::fxUSD::reservePool):0x7A5c4ca972CE2168d5215d252946dDbd1cAd2015 - stabilityPoolManager (
ETH::fxUSD::stabilityPoolManager):0xE39165aDE355988EFb24dA4f2403971101134CAB - genesis (
ETH::fxUSD::genesis):0xC9df4f62474Cf6cdE6c064DB29416a9F4f27EBdC - priceOracle:
0x71437C90F1E0785dd691FD02f7bE0B90cd14c097(fxUSD/ETH aggregator) - feeReceiver (
ETH::fxUSD::minterFeeReceiver):0xdC903fe5ebCE440f22578D701b95424363D20881(TokenDistributor) - stabilityPoolCollateral (
ETH::fxUSD::stabilityPoolCollateral):0x1F985CF7C10A81DE1940da581208D2855D263D72 - stabilityPoolLeveraged (
ETH::fxUSD::stabilityPoolLeveraged):0x438B29EC7a1770dDbA37D792F1A6e76231Ef8E06 - collateralToken:
0x085780639CC2cACd35E474e71f4d000e2405d8f6(fxUSD) - wrappedCollateralToken:
0x7743e50F534a7f9F1791DdE7dCD89F7783Eefc39(fxSAVE)
Token details
Pegged token (haETH)
Address: 0x7A53EBc85453DD006824084c4f4bE758FcF8a5B5 — pegged ETH exposure (see overview above).
Leveraged token (hsFXUSD-ETH)
Address: 0x0Cd6BB1a0cfD95e2779EDC6D17b664B481f2EB4C — variable ETH exposure with fxSAVE yield.
Collateral
- fxUSD:
0x085780639CC2cACd35E474e71f4d000e2405d8f6 - fxSAVE:
0x7743e50F534a7f9F1791DdE7dCD89F7783Eefc39
Stability pools
Collateral stability pool
- Proxy key:
ETH::fxUSD::stabilityPoolCollateral - Address:
0x1F985CF7C10A81DE1940da581208D2855D263D72 - Rebalance Token: fxUSD (collateral)
- Purpose: Liquidates positions using collateral
Leveraged stability pool (Sail pool)
- Proxy key:
ETH::fxUSD::stabilityPoolLeveraged - Address:
0x438B29EC7a1770dDbA37D792F1A6e76231Ef8E06 - Rebalance Token: hsFXUSD-ETH (leveraged token)
- Purpose: Liquidates positions using leveraged tokens
Price oracle
The fxUSD/ETH price oracle (0x71437C90F1E0785dd691FD02f7bE0B90cd14c097) provides:
- Rate Provider: fxSAVE vault (for fxUSD exchange rate)
- Price Feed: ETH/USD Chainlink feed (inverted to get fxUSD/ETH)
- Purpose: Determines collateral value and minting/redemption rates
See Price Oracle Contracts for detailed information.
Market parameters
| Collateral | fxUSD (via fxSAVE vault) |
| Leverage | Variable, collateral-ratio bands |
| Yield | fxSAVE vault |
| Rebalancing | Stability pools |
| Deployment | Mainnet, December 2025 (startBlock: 24049488) |
Genesis (Maiden Voyage)
| Start | December 19, 2025 |
| End | January 4, 2026 |
| Genesis zap | 0x424D373141a845eB2822B2a8e5ED0f529Ece4F7a (GenesisUSDCZap_v2) |