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Season 1 · DeFi & Open Finance

OPN Simple Reserve

A native OPN reserve record for simple treasury buffer tracking.

Stage 1, ReviewDeFi & Open Finance

by miha_zino · submitted Jun 7, 2026

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Weighted average across the 5 judging criteria.

Description

01/03

What the builder said.

Written by the team, rendered as the markdown they typed in the submission wizard.

Reserve buffer concept

OPN Simple Reserve is a small reserve-record contract deployed on OPN Chain. It lets a wallet create a native OPN reserve entry and keeps the reserve amount, timestamp, and close status visible on-chain.

The build is intentionally direct: it models a treasury buffer record without adding unnecessary complexity in the first version.

Why this is useful

Many DeFi and community finance flows need reserve tracking. A project may want to show that funds were placed aside for liquidity, grants, future expenses, risk buffers, or campaign support.

This contract creates a basic on-chain reserve layer where each reserve action can be checked without relying on a private spreadsheet or off-chain dashboard.

Contract behavior

  • The user calls recordReserve() and sends native OPN.
  • The contract creates a reserve record for that wallet.
  • Each record stores amount, reserve timestamp, and close status.
  • The contract tracks reserved value by user.
  • It also tracks total reserved value and total reserve record events.
  • closeReserve() can close a reserve record later.
  • Read functions expose reserve records by wallet.

OPN Chain proof

The contract was deployed on OPN Chain during the Season 1 submission window. A live recordReserve() transaction was executed after deployment, so the submission includes both deployment proof and real interaction proof.

Roadmap

02/03

What ships next.

The builder's own next-quarter plan. Use it to gauge follow-through and ambition.

Current submission

The first version of OPN Simple Reserve focuses on a clear reserve-record flow:

  • Deploy the simple reserve contract on OPN Chain.
  • Test the recordReserve() function with native OPN.
  • Store reserve amount, timestamp, and close status on-chain.
  • Track reserved value by user.
  • Track total reserved value and reserve record event count.
  • Submit the build for Season 1 review.

Next interface step

The next step is to create a small reserve dashboard:

  • Add wallet connection.
  • Let users create reserve records from a web page.
  • Show reserve records for the connected wallet.
  • Separate active and closed reserve records.
  • Add explorer links for reserve transactions.

Product expansion

After the basic interface, the reserve tool can support broader treasury and DeFi use cases:

  • Add named reserve records.
  • Add reserve categories such as treasury, liquidity, grants, campaigns, or risk buffers.
  • Add ERC-20 reserve support.
  • Add public reserve pages for transparent tracking.
  • Improve event indexing for dashboards and analytics.

Long-term direction

The long-term goal is to turn OPN Simple Reserve into a lightweight reserve-tracking layer for OPN Chain, useful for treasury buffers, liquidity planning, campaign funding, and transparent community finance records.

On-chain proof

03/03

1 contract on OPN Chain.

The chain itself confirmed every deployment is valid, signed by the builder's wallet, and inside the season's window.

  • 01OPNSimpleReservePrimary

    0xB72e3e81DF3f31eE7d731fCcf8565567d73C0c62

    tx 0xa67390b709789a216b9054e551a9e0112c28329a516f3fd05f9fe6b493f6eb70

    deployed Jun 7, 2026 · block 18095379