Reference

Deployed contracts

The Hedera testnet ATS deployment, the current market parameters, and how to verify that the deployed bytecode matches the public source.

Hedera testnet (chain 296)

The bond is issued through the real ATS factory on Hedera testnet, and the Sidereal market is built around it. The addresses below are the same ones the app is built with; the deployment manifest and receipts live in contracts/deployments/hedera-ats.json and contracts/deployments/evidence/. Open any address on HashScan.

ComponentAddress

ATS factory

The factory that issued the bond and applied its controls

0x5fA65CA30d1984701F10476664327f97c864A9D3

ATS bond (security token)

The ATS-issued ERC-3643 bond; coupons and maturity cashflow

0x10810626c3D4b6DcD9EBD4e91bA64eb5FF8c50ff

Settlement adapter (BOND)

The app's bond handle; prices and settles the ATS position

0xF7e9a16E6820E1b1227B9C271307602f7d702a65

SY vault (StandardizedYieldVault)

Cash in, SY shares out; wraps the bond through the strategy

0xfe820Cb2841b5cF694f29B6d22b0B73513313191

Bond strategy

Holds the ATS bond and values it in the cash denomination

0xC5c69cd67F2Fc189d7e4085FA3A090651c490675

Cash token (sdUSD, test only)

6-decimal demonstration cash; not USDC and not redeemable

0x71311092Cf6486941Acb34d3631CF4aD8f442b07

PT token (PrincipalToken)

ERC-20; mint/burn gated to the tokenizer

0x67F22b76E7Cb722394118Fc4805b45CC428BD8eF

YT token (YieldToken)

ERC-20; settles yield on every balance change

0x0B28a594d5Af6f5C893B82DE3b8fF69B63f1D5cf

Tokenizer

Escrows SY; split, recombine, claim, redeem

0xB51Ec9e8F0F0C2A57c42b50d61CC17505d8BCf6d

AMM (AmmMarket)

Time-decay pool; YT routes through it

0xF816CEC720C78Af2870f323B6374aD6F3E41861E

Orderbook

PT/SY price-time limit-order book

0xD8de4ae33a0B05578381018B428fd4c72Fc51d48

Current market parameters

  • Bond: an ATS-issued ERC-3643 security. The issuer controls KYC; the market reuses those controls, so a wallet without ATS eligibility cannot deposit into SY or move PT/YT.
  • Cash: sdUSD, a 6-decimal testnet demonstration token. It is not USDC, not redeemable, and minted only by the deployment for the demo.
  • Decimals: 6 for the cash and the ATS bond, 18 for SY, PT, and YT, with rate math in 18-decimal WAD.
  • Maturity: fixed per deployment and shown in the app. A separate historical short-maturity market demonstrates settlement after maturity; the current market has a 90-day term.
  • Fees: the swap and orderbook taker fees are bounded and adjustable only by the configured admin; the TWAP window is 30 minutes.

Verifying the deployment

The contracts are built reproducibly from the Foundry project. Dependencies are pinned in contracts/dependencies.lock.json, and the build inputs are recorded with the deployment evidence. All nine contracts of this deployment are verified on Sourcify (chain 296); earlier verification records apply to historical addresses. To verify a contract, run:

forge verify-contract <address> <path/to/Contract.sol:Contract> \
  --chain 296 --verifier sourcify

A match means Sourcify recompiled the source and reproduced the deployed bytecode. Check the contract’s HashScan page separately for its displayed verification status. Rebuild locally with forge build and compare against the recorded build inputs; the contracts repository is the source of truth for the deployed bytecode.

Admin surface

The contracts are non-upgradeable. The SY vault’s strategy is bound immutably and its admin can only set a deposit cap; the AMM, tokenizer, and orderbook admins can set bounded, event-emitting fees. None of those controls can redirect holder balances, set the exchange rate, or mint. Details in Security and risks.