TYPE 0x0602 · PLC FAMILY

HYSTERESIS_VALUE

UTXO value band check. SATISFIED if the input amount falls within a configurable [low_sats, high_sats] range. Enables value-gated spending paths and tiered authorization policies.

PLC Invertible

Ladder Diagram

Fields

Field	Data Type	Size	Side	Description
high_sats	NUMERIC	1-4 B	Conditions	Upper bound of the value band (satoshis)
low_sats	NUMERIC	1-4 B	Conditions	Lower bound of the value band (satoshis)

No witness fields required. Evaluation uses the input amount from the UTXO being spent.

Wire Format Breakdown

0x0602 0 2 NUMERIC · 6B NUMERIC · 6B Conditions = 16 bytes

0x0602 0 0 Witness = 4 bytes (empty block)

Total 20 bytes

Evaluation Logic

1.Collect conditions NUMERIC fields. Fewer than 2 → ERROR. ReadNumeric the first as high_sats and the second as low_sats; either undecodable → ERROR

2.Range/order check: high_sats < 0, low_sats < 0, or low_sats > high_sats → UNSATISFIED

3.If low_sats ≤ ctx.input_amount ≤ high_sats → SATISFIED; else → UNSATISFIED

Return Values

Condition	Result
Fewer than 2 NUMERIC fields, or either undecodable	ERROR
`high_sats < 0`, `low_sats < 0`, or `low > high`	UNSATISFIED
`input_amount` below `low_sats` or above `high_sats`	UNSATISFIED
`low_sats ≤ input_amount ≤ high_sats`	SATISFIED

JSON Wire Format

Conditions (value band 100,000 - 10,000,000 sats)

{
  "type": "HYSTERESIS_VALUE",
  "inverted": false,
  "fields": [
    { "type": "NUMERIC", "value": 10000000 },
    { "type": "NUMERIC", "value": 100000 }
  ]
}

This allows spending only if the UTXO value is between 0.001 BTC and 0.1 BTC. UTXOs outside this range require a different spending path.

Use Cases

Value-Gated Spending Paths

Different authorization policies for different UTXO sizes. Small amounts use a single signature, while larger amounts require multisig or time-delays, all enforced at the covenant level.

Tiered Authorization

Organizational spending tiers where petty cash (under threshold) flows freely, mid-range requires manager approval, and large amounts need board authorization — each tier a separate ladder rung gated by HYSTERESIS_VALUE.

← HYSTERESIS_FEE TIMER_CONTINUOUS →