jingswap-cycle-agent（jingswap 循环 Agent）

jingswap-cycle-agent

What it does

Monitors the active JingSwap cycle and evaluates whether the Pyth oracle settlement rate offers a favourable sBTC acquisition opportunity relative to live DEX prices.

JingSwap settles at the Pyth oracle rate, not the DEX rate. When oracle < DEX, depositing STX acquires sBTC cheaper than buying on-market — the arbitrage window. This skill quantifies that spread in real time.

Why agents need it

JingSwap's API (faktory-dao-backend.vercel.app) requires an x-api-key. This skill bypasses it entirely by reading the Stacks contract directly via the public Hiro read-only endpoint. No credentials needed.

The analyze command distils the cycle state + two price sources into a single action field — agents don't need to know the contract encoding or Pyth feed IDs.

Safety notes

• Read-only for doctor, status, analyze — no wallet required.
• participate (without --dry-run) outputs a DEPOSIT_READY JSON payload — parent agent must confirm before calling jingswap_deposit_stx.
• Mainnet only — JingSwap v2 contract is mainnet-only.
• Always uses live contract reads — never caches cycle state.

Commands

doctor

Checks Hiro contract API and Pyth Hermes connectivity.

bun run jingswap-cycle-agent/jingswap-cycle-agent.ts doctor

Output:

{
  "result": "ready",
  "checks": {
    "hiro_contract_api": "ok",
    "pyth_hermes_api": "ok"
  },
  "contract": "SPV9K21TBFAK4KNRJXF5DFP8N7W46G4V9RCJDC22.sbtc-stx-jing-v2"
}

status

Fetches full cycle state + price snapshot.

bun run jingswap-cycle-agent/jingswap-cycle-agent.ts status

Output:

{
  "skill": "jingswap-cycle-agent",
  "timestamp": "2026-03-29T15:22:18.792Z",
  "contract": "SPV9K21TBFAK4KNRJXF5DFP8N7W46G4V9RCJDC22.sbtc-stx-jing-v2",
  "cycle": {
    "id": 9,
    "phase": "deposit",
    "blocks_elapsed": 191,
    "sbtc_deposited": "0.01929494 sBTC",
    "stx_deposited": "0.00 STX",
    "min_stx_deposit": "1.00 STX",
    "min_sbtc_deposit": "0.00001000 sBTC"
  },
  "prices": {
    "btc_usd": "66488.42",
    "stx_usd": "0.216440",
    "oracle_stx_per_sbtc": "307191.64",
    "dex_stx_per_sbtc_dlmm": "305922.66",
    "dex_stx_per_sbtc_xyk": "305306.01",
    "oracle_vs_dex_discount_pct": "-0.394"
  },
  "summary": "Cycle 9 in deposit phase. Oracle 0.39% MORE EXPENSIVE than DEX."
}

analyze

Evaluates whether the current cycle offers a favourable entry.

bun run jingswap-cycle-agent/jingswap-cycle-agent.ts analyze
bun run jingswap-cycle-agent/jingswap-cycle-agent.ts analyze --min-discount 2.0

Options:

• --min-discount <pct> (default: 1.0) — minimum oracle discount vs DEX to trigger PARTICIPATE

Output:

{
  "skill": "jingswap-cycle-agent",
  "timestamp": "2026-03-29T15:22:27.573Z",
  "contract": "SPV9K21TBFAK4KNRJXF5DFP8N7W46G4V9RCJDC22.sbtc-stx-jing-v2",
  "input": { "min_discount_pct": 1 },
  "cycle": {
    "id": 9,
    "phase": "deposit",
    "sbtc_available": "0.01929494 sBTC",
    "stx_deposited": "0.00 STX"
  },
  "pricing": {
    "oracle_stx_per_sbtc": "307148.46",
    "dex_stx_per_sbtc": "305922.66",
    "discount_pct": "-0.401"
  },
  "action": "MONITOR",
  "confidence": "high",
  "is_favourable": false,
  "rationale": "Oracle rate (307148 STX/sBTC) is 0.40% MORE expensive than DEX (305923 STX/sBTC). Spread does not meet minimum discount threshold of 1%.",
  "summary": "MONITOR (high confidence) — cycle 9 (deposit), oracle 0.40% premium vs DEX."
}

participate

Evaluates opportunity and (if favourable) prepares deposit parameters for parent agent execution.

bun run jingswap-cycle-agent/jingswap-cycle-agent.ts participate --amount-stx 100
bun run jingswap-cycle-agent/jingswap-cycle-agent.ts participate --amount-stx 100 --min-discount 2.0 --dry-run

Options:

• --amount-stx <amount> (required) — STX amount to deposit
• --min-discount <pct> (default: 1.0) — minimum discount required to proceed
• --dry-run — analyse only, do not output execution payload

When favourable, outputs:

{
  "skill": "jingswap-cycle-agent",
  "action": "DEPOSIT_READY",
  "deposit_params": {
    "amount_stx": 100,
    "amount_micro_stx": 100000000,
    "market": "sbtc-stx",
    "cycle": 9
  },
  "instruction": "Parent agent: call jingswap_deposit_stx with amount=100000000 and market=sbtc-stx to execute this deposit. Confirm before proceeding."
}

Action values

Confidence:

• high — discount ≥ 2% or clearly unfavourable
• medium — discount 1–2%
• low — borderline

Technical notes

• Contract: SPV9K21TBFAK4KNRJXF5DFP8N7W46G4V9RCJDC22.sbtc-stx-jing-v2 (v2, current; v1 was on cycle 5)
• DLMM price formula: STX/sBTC = 1e10 / dlmmRaw (contract stores inverse ratio)
• XYK price formula: STX/sBTC = xykRaw / 1e8 (contract stores direct ratio with 1e8 scale)
• Oracle price: Pyth Hermes BTC/USD ÷ STX/USD = STX/sBTC
• No API key required for any data source
• All Hiro reads use sender SP000000000000000000002Q6VF78 (burn address, valid for read-only calls)

Output contract

All outputs are JSON to stdout.

Error:

{ "error": "descriptive message" }

Origin

Winner of AIBTC x Bitflow Skills Pay the Bills competition. Original author: @teflonmusk Competition PR: https://github.com/BitflowFinance/bff-skills/pull/78