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PScriptPurpose

It is the second field of the PScriptContext structure.

It tells us what specific role or purpose the script is used for based on the constructor. It passes some useful information that would be hard to access otherwise.

Definition:

export const PScriptPurpose = pstruct({
    Minting: { currencySym: PCurrencySymbol.type },
    Spending: { utxoRef: PTxOutRef.type },
    Rewarding: { stakeCredential: PStakingCredential.type },
    Certifying: { dCert: PDCert.type }
});

Minting​

Represents the purpose of the script when it is involved in minting/burning new tokens.

currencySym​

Currency symbol for identifying the tokens being minted

type: PCurrencySymbol

Spending​

Represents the purpose of the script when it is used for spending funds from a specific UTXO (Unspent Transaction Output).

utxoRef​

References the UTXO being spent

type: PTxOutRef.type

Rewarding​

Represents the purpose of the script when it is involved in rewarding stakeholders.

stakeCredential​

Staking credential (or address) to be rewarded. This could involve distributing rewards based on staking participation.

type: PStakingCredential.type

Certifying​

Represents the purpose of the script when it is used for certifying delegation certificates.

dCert​

Delegation certificate information

type: PDCert.type