Table of Contents

Class ArkadeSwapProfile

Namespace
NArk.ArkadeIntents.Rfq.Profiles.Asset
Assembly
NArk.ArkadeIntents.dll

The arkade:X->arkade:Y profile: an Arkade-to-Arkade swap negotiated over RFQ.

public static class ArkadeSwapProfile
Inheritance
ArkadeSwapProfile
Inherited Members

Remarks

This is the atomic class, and it differs from the four HTLC corridors in what it does not have. There is no hash lock, no refund_locktime and no refund path, because the covenant the client funds only releases the deposit to a transaction that pays the quoted amount to the client's own script in the same transaction. The solver fills or nothing moves; an offer that is never filled is reclaimed cooperatively by cancelling it.

The only clock is valid_until. Funding past it is a deposit the solver will decline to fill, recoverable only by that cancel — which is why this profile's gate checks a clock and nothing else.

Amounts travel as canonical decimal strings, not JSON numbers: one leg is always an Arkade asset whose atomic unit is 256-bit, and a whole unit of an 18-decimal asset is a hundred times what a double represents exactly.

Fields

BtcLeg

The leg spelling for Arkade sats.

public const string BtcLeg = "arkade:BTC"

Field Value

string

Methods

Leg(AssetId)

The leg spelling for an Arkade-issued asset.

public static string Leg(AssetId asset)

Parameters

asset AssetId

The asset.

Returns

string

arkade: followed by the asset's 68-character hex id.

Pair(AssetId?, AssetId?)

The pair string for a swap between two Arkade legs.

public static string Pair(AssetId? offerAsset, AssetId? wantAsset)

Parameters

offerAsset AssetId

The asset deposited, or null to deposit sats.

wantAsset AssetId

The asset wanted, or null to want sats.

Returns

string

The pair, as the solver spells it.

Exceptions

ArgumentException

Neither leg names an asset.

Request(AssetId?, AssetId?, BigInteger, RfqAmountSide, byte[], byte[], string?)

Build the request. The pair names the assets; the profile names the client.

public static RfqRequest<ArkadeSwapRequestProfile> Request(AssetId? offerAsset, AssetId? wantAsset, BigInteger amount, RfqAmountSide amountSide, byte[] makerPkScript, byte[] makerPublicKey, string? rfqId = null)

Parameters

offerAsset AssetId

The asset deposited, or null to deposit sats.

wantAsset AssetId

The asset wanted, or null to want sats.

amount BigInteger

Atomic units of whichever leg amountSide names.

amountSide RfqAmountSide

Which leg amount fixes.

makerPkScript byte[]

The client's taproot scriptPubKey, 34 bytes.

makerPublicKey byte[]

The client's x-only key, 32 bytes.

rfqId string

A correlation id, or null to draw a fresh one.

Returns

RfqRequest<ArkadeSwapRequestProfile>

The request.

Remarks

Unlike the Lightning send profile, where a BOLT11 carries the amount, nothing here implies one: there is no invoice, and the offer that would state it does not exist until this quote has been answered. So amount is always required, on whichever side.

Exceptions

ArgumentException

A parameter is not the shape the covenant needs.

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