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PermitSingle

fynd_client

Struct PermitSingle 

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pub struct PermitSingle { /* private fields */ }
Expand description

A single Permit2 authorization, covering one token for one spender.

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impl PermitSingle

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pub fn new( details: PermitDetails, spender: Bytes, sig_deadline: BigUint, ) -> Self

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pub fn eip712_signing_hash( &self, chain_id: u64, permit2_address: &Bytes, ) -> Result<[u8; 32], FyndError>

Compute the Permit2 EIP-712 signing hash for this permit.

Pass the returned bytes to your signer’s sign_hash method, then supply the 65-byte result as the signature argument to EncodingOptions::with_permit2.

permit2_address must be the 20-byte address of the Permit2 contract (canonical cross-chain deployment: 0x000000000022D473030F116dDEE9F6B43aC78BA3).

§Errors

Returns crate::FyndError::Protocol if any address field is not exactly 20 bytes, or if amount / expiration / nonce exceed their respective Solidity types.

Trait Implementations§

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impl Clone for PermitSingle

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fn clone(&self) -> PermitSingle

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more
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impl TryFrom<PermitSingle> for PermitSingle

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type Error = FyndError

The type returned in the event of a conversion error.
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fn try_from(p: PermitSingle) -> Result<Self, Self::Error>

Performs the conversion.

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impl<T> Any for T
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🔬This is a nightly-only experimental API. (clone_to_uninit)
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