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DigCollateralCoin

datalayer_driver

Struct DigCollateralCoin 

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pub struct DigCollateralCoin { /* private fields */ }
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A $DIG collateral coin.

§The mirror-collateral namespace is not served here

This type once also derived and minted mirror collateral coins, under the namespace tag DIG_STORE_MIRROR_COLLATERAL, from morph(store_launcher_id + epoch). Both the morph and its mint path (morph_store_launcher_id_for_mirror, create_mirror) were removed in 6.0.0.

They were removed rather than renamed because they were not a second namespace that merely shared a tag — they were the same namespace as the canonical one. dig-mirror-coin hints a mirror coin under morph(store + root + owner + epoch) beneath that identical tag, and because both morphs hash an additive sum, the extra terms are absorbed rather than separating: an author who freely chooses the epoch can solve e' = store + epoch - store' - root' - owner' and land a coin bonding their own store and root exactly on a hint derived here. dig-mirror-coin closes that one level up, by having the coin declare its four terms and checking the declaration as well as the recompute; the two-term form had no such check and no way to add one, since the epoch it was built with is not recoverable from the hint.

Mirror collateral therefore has a single owner: use the dig-mirror-coin crate. Coins already minted through the removed path are unaffected — Self::from_coin_state reads the morphed id out of the coin’s memos and never recomputes it, and Self::spend does not use the hint.

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impl DigCollateralCoin

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pub fn coin(&self) -> Coin

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pub fn proof(&self) -> LineageProof

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pub fn morph_store_launcher_id_for_collateral( store_launcher_id: Bytes32, ) -> Bytes32

Morphs a DIG store launcher ID into the DIG store collateral coin namespace.

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pub async fn from_coin_state( peer: &Peer, coin_state: CoinState, ) -> Result<Self, WalletError>

Instantiates a $DIG collateral coin Verifies that coin is unspent and locked by the $DIG P2Parent puzzle

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pub fn create_collateral( dig_coins: Vec<DigCoin>, amount: u64, store_id: Bytes32, synthetic_key: PublicKey, fee_coins: Vec<Coin>, fee: u64, ) -> Result<Vec<CoinSpend>, WalletError>

Uses the specified $DIG to create a collateral coin for the provided DIG store ID (launcher ID)

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pub fn spend( &self, synthetic_key: PublicKey, fee_coins: Vec<Coin>, fee: u64, ) -> Result<Vec<CoinSpend>, WalletError>

Builds the spend bundle for spending the $DIG collateral coin to de-collateralize the store and return spendable $DIG to the wallet that created the collateral coin.

Trait Implementations§

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impl Clone for DigCollateralCoin

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fn clone(&self) -> DigCollateralCoin

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DigCollateralCoin

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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