Principal is canonical
The mechanism derives actual ETH principal from final PoolManager settlement in the same call.
Flow Buy research demo
Preview the proposed commitment path.
An interactive preview of the optional path: verify ETH principal, authenticate the beneficiary and expected round, escrow the HETH output, and project the daily reward.
Mechanism preview
Purchased outputCanonical quote unavailableA final accepted output would enter exact-duration escrow.
- Hard lock
- 7 days
- Expected round
- #482
- Example flow already in round
- 250 ETH
- Daily ceiling
- 81369.863013698630136986 HETH
- Projected rate
- 300 HETH / ETH
- Projected reward
- 300 HETH until close
1 ETH principal projects 300 HETH in this example daily round. The final reward can stay equal or decrease until the round closes; no HETH output is estimated without a canonical quote.
Flow Buy authorization payload
Authenticated intent
A Flow Buy is valid only when the payer authorizes this complete intent.
- Payer
- Future payer authentication · illustrative
- Beneficiary
- Explicit recipient
- Supported pool
- Canonical ETH/HETH pool only
- Exact ETH principal
- Same-call settlement delta
- Minimum HETH out
- Signed boundary
- Expected round
- Reverts if the daily boundary is crossed
- Nonce
- Single use
- Deadline
- Signed boundary
- Chain + adapter
- Domain bound
Preview only — no transaction.
Output is hard-locked
The bought HETH cannot remain liquid while also receiving a Flow mining reward. There is no early exit.
Reward closes daily
The displayed reward is projected until the round closes, then becomes fixed and settles after maturity.