TipFeeManager

tempo_precompiles::tip_fee_manager

Struct TipFeeManager 

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pub struct TipFeeManager {
Show 15 fields
    pub validator_tokens: <Mapping<Address, Address> as StorableType>::Handler,
    pub user_tokens: <Mapping<Address, Address> as StorableType>::Handler,
    pub collected_fees: <Mapping<Address, U256> as StorableType>::Handler,
    pub tokens_with_fees: <Vec<Address> as StorableType>::Handler,
    pub token_in_fees_array: <Mapping<Address, bool> as StorableType>::Handler,
    pub pools: <Mapping<B256, Pool> as StorableType>::Handler,
    pub pending_fee_swap_in: <Mapping<B256, u128> as StorableType>::Handler,
    pub total_supply: <Mapping<B256, U256> as StorableType>::Handler,
    pub liquidity_balances: <Mapping<B256, Mapping<Address, U256>> as StorableType>::Handler,
    pub pools_with_fees: <Vec<TokenPair> as StorableType>::Handler,
    pub pool_in_fees_array: <Mapping<TokenPair, bool> as StorableType>::Handler,
    pub validators_with_fees: <Vec<Address> as StorableType>::Handler,
    pub validator_in_fees_array: <Mapping<Address, bool> as StorableType>::Handler,
    address: Address,
    storage: StorageCtx,

}

Fields§

§validator_tokens: <Mapping<Address, Address> as StorableType>::Handler§user_tokens: <Mapping<Address, Address> as StorableType>::Handler§collected_fees: <Mapping<Address, U256> as StorableType>::Handler§tokens_with_fees: <Vec<Address> as StorableType>::Handler§token_in_fees_array: <Mapping<Address, bool> as StorableType>::Handler§pools: <Mapping<B256, Pool> as StorableType>::Handler§pending_fee_swap_in: <Mapping<B256, u128> as StorableType>::Handler§total_supply: <Mapping<B256, U256> as StorableType>::Handler§liquidity_balances: <Mapping<B256, Mapping<Address, U256>> as StorableType>::Handler§pools_with_fees: <Vec<TokenPair> as StorableType>::Handler§pool_in_fees_array: <Mapping<TokenPair, bool> as StorableType>::Handler§validators_with_fees: <Vec<Address> as StorableType>::Handler§validator_in_fees_array: <Mapping<Address, bool> as StorableType>::Handler§address: Address§storage: StorageCtx

Implementations§

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impl TipFeeManager

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pub fn pool_id(&self, user_token: Address, validator_token: Address) -> B256

Gets the pool id for a given set of tokens. Note that the pool id is dependent on the ordering of the tokens ie. (token_a, token_b) results in a different pool id than (token_b, token_a)

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pub fn get_pool(&self, call: getPoolCall) -> Result<Pool>

Retrieves a pool for a given pool_id from storage

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pub fn reserve_liquidity( &mut self, user_token: Address, validator_token: Address, max_amount: U256, ) -> Result<()>

Ensures that pool has enough liquidity for a fee swap and reserve that liquidity in pending_fee_swap_in.

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fn get_effective_validator_reserve(&self, pool_id: B256) -> Result<U256>

Calculate validator token reserve minus pending swaps

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fn get_effective_user_reserve(&self, pool_id: B256) -> Result<U256>

Calculate user token reserve plus pending swaps

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pub fn release_liquidity( &mut self, user_token: Address, validator_token: Address, refund_amount: U256, ) -> Result<()>

Releases refund_amount of liquidity that was locked by reserve_liquidity

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pub fn rebalance_swap( &mut self, msg_sender: Address, user_token: Address, validator_token: Address, amount_out: U256, to: Address, ) -> Result<U256>

Swap to rebalance a fee token pool

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pub fn mint( &mut self, msg_sender: Address, user_token: Address, validator_token: Address, amount_user_token: U256, amount_validator_token: U256, to: Address, ) -> Result<U256>

Mint LP tokens for a given pool

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pub fn mint_with_validator_token( &mut self, msg_sender: Address, user_token: Address, validator_token: Address, amount_validator_token: U256, to: Address, ) -> Result<U256>

Mint LP tokens using only validator tokens

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pub fn burn( &mut self, msg_sender: Address, user_token: Address, validator_token: Address, liquidity: U256, to: Address, ) -> Result<(U256, U256)>

Burn LP tokens for a given pool

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fn calculate_burn_amounts( &self, pool: &Pool, pool_id: B256, liquidity: U256, ) -> Result<(U256, U256)>

Calculate burn amounts for liquidity withdrawal

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pub fn execute_pending_fee_swaps( &mut self, user_token: Address, validator_token: Address, ) -> Result<U256>

Execute all pending fee swaps for a pool

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pub fn get_total_supply(&self, pool_id: B256) -> Result<U256>

Get total supply of LP tokens for a pool

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fn set_total_supply(&mut self, pool_id: B256, total_supply: U256) -> Result<()>

Set total supply of LP tokens for a pool

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pub fn get_liquidity_balances( &self, pool_id: B256, user: Address, ) -> Result<U256>

Get user’s LP token balance

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fn set_liquidity_balances( &mut self, pool_id: B256, user: Address, balance: U256, ) -> Result<()>

Set user’s LP token balance

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pub fn get_pending_fee_swap_in(&self, pool_id: B256) -> Result<u128>

Get pending fee swap amount for a pool

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fn set_pending_fee_swap_in(&mut self, pool_id: B256, amount: u128) -> Result<()>

Set pending fee swap amount for a pool

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impl TipFeeManager

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pub fn new() -> Self

Creates an instance of the precompile.

Caution: This does not initialize the account, see Self::initialize.

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fn __new(address: Address) -> Self

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fn __initialize(&mut self) -> Result<()>

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fn emit_event(&mut self, event: impl IntoLogData) -> Result<()>

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fn emitted_events(&self) -> &Vec<LogData>

Available on crate features test-utils only.
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fn assert_emitted_events(&self, expected: Vec<impl IntoLogData>)

Available on crate features test-utils only.
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impl TipFeeManager

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pub const FEE_BPS: u64 = 25u64

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pub const BASIS_POINTS: u64 = 10_000u64

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pub const MINIMUM_BALANCE: U256

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pub fn initialize(&mut self) -> Result<()>

Initializes the contract

This ensures the TipFeeManager isn’t empty and prevents state clear.

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fn default_fee_token(&self) -> Address

Returns the default fee token based on the current hardfork. Post-Allegretto returns PathUSD, pre-Allegretto returns the first TIP20 after PathUSD.

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pub fn get_validator_token(&self, beneficiary: Address) -> Result<Address>

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pub fn set_validator_token( &mut self, sender: Address, call: setValidatorTokenCall, beneficiary: Address, ) -> Result<()>

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pub fn set_user_token( &mut self, sender: Address, call: setUserTokenCall, ) -> Result<()>

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pub fn collect_fee_pre_tx( &mut self, fee_payer: Address, user_token: Address, max_amount: U256, beneficiary: Address, ) -> Result<Address>

Collects fees from user before transaction execution.

Determines fee token, verifies pool liquidity for swaps if needed, reserves liquidity for the max fee amount and transfers it to the fee manager. Unused gas is later returned via collect_fee_post_tx

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pub fn collect_fee_post_tx( &mut self, fee_payer: Address, actual_spending: U256, refund_amount: U256, fee_token: Address, beneficiary: Address, ) -> Result<()>

Finalizes fee collection after transaction execution.

Refunds unused tokens to user and tracks actual fee amount for swapping in execute_block Called after transaction to settle the difference between max fee and actual usage.

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pub fn execute_block( &mut self, sender: Address, beneficiary: Address, ) -> Result<()>

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fn add_pair_to_fees_array( &mut self, user_token: Address, validator_token: Address, ) -> Result<()>

Add a token to the tokens with fees array

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fn drain_tokens_with_fees(&mut self) -> Result<Vec<Address>>

Drain all tokens with fees by popping from the back until empty Returns a Vec<Address> with all the tokens that were in storage Also sets token_in_fees_array to false for each token

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fn drain_validators_with_fees(&mut self) -> Result<Vec<Address>>

Drain all validators with fees by popping from the back until empty

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fn drain_pools_with_fees(&mut self) -> Result<Vec<TokenPair>>

Drain all pools with fees by popping from the back until empty

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fn increment_collected_fees( &mut self, validator: Address, amount: U256, ) -> Result<()>

Increment collected fees for the validator token

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pub fn user_tokens(&self, call: userTokensCall) -> Result<Address>

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pub fn validator_tokens(&self, call: validatorTokensCall) -> Result<Address>

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pub fn get_fee_token_balance( &self, call: getFeeTokenBalanceCall, ) -> Result<getFeeTokenBalanceReturn>

Trait Implementations§

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impl ContractStorage for TipFeeManager

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fn address(&self) -> Address

Contract address.
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fn storage(&mut self) -> &mut StorageCtx

Contract storage accessor.
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impl Default for TipFeeManager

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Precompile for TipFeeManager

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fn call(&mut self, calldata: &[u8], msg_sender: Address) -> PrecompileResult

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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ServiceExt for T

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fn propagate_header(self, header: HeaderName) -> PropagateHeader<Self>
where Self: Sized,

Available on crate feature propagate-header only.
Propagate a header from the request to the response. Read more
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fn add_extension<T>(self, value: T) -> AddExtension<Self, T>
where Self: Sized,

Available on crate feature add-extension only.
Add some shareable value to request extensions. Read more
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fn map_request_body<F>(self, f: F) -> MapRequestBody<Self, F>
where Self: Sized,

Available on crate feature map-request-body only.
Apply a transformation to the request body. Read more
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fn map_response_body<F>(self, f: F) -> MapResponseBody<Self, F>
where Self: Sized,

Available on crate feature map-response-body only.
Apply a transformation to the response body. Read more
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fn compression(self) -> Compression<Self>
where Self: Sized,

Available on crate features compression-br or compression-deflate or compression-gzip or compression-zstd only.
Compresses response bodies. Read more
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fn decompression(self) -> Decompression<Self>
where Self: Sized,

Available on crate features decompression-br or decompression-deflate or decompression-gzip or decompression-zstd only.
Decompress response bodies. Read more
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fn trace_for_http(self) -> Trace<Self, SharedClassifier<ServerErrorsAsFailures>>
where Self: Sized,

Available on crate feature trace only.
High level tracing that classifies responses using HTTP status codes. Read more
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fn trace_for_grpc(self) -> Trace<Self, SharedClassifier<GrpcErrorsAsFailures>>
where Self: Sized,

Available on crate feature trace only.
High level tracing that classifies responses using gRPC headers. Read more
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fn follow_redirects(self) -> FollowRedirect<Self>
where Self: Sized,

Available on crate feature follow-redirect only.
Follow redirect resposes using the Standard policy. Read more
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fn sensitive_headers( self, headers: impl IntoIterator<Item = HeaderName>, ) -> SetSensitiveRequestHeaders<SetSensitiveResponseHeaders<Self>>
where Self: Sized,

Available on crate feature sensitive-headers only.
Mark headers as sensitive on both requests and responses. Read more
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fn sensitive_request_headers( self, headers: impl IntoIterator<Item = HeaderName>, ) -> SetSensitiveRequestHeaders<Self>
where Self: Sized,

Available on crate feature sensitive-headers only.
Mark headers as sensitive on requests. Read more
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fn sensitive_response_headers( self, headers: impl IntoIterator<Item = HeaderName>, ) -> SetSensitiveResponseHeaders<Self>
where Self: Sized,

Available on crate feature sensitive-headers only.
Mark headers as sensitive on responses. Read more
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fn override_request_header<M>( self, header_name: HeaderName, make: M, ) -> SetRequestHeader<Self, M>
where Self: Sized,

Available on crate feature set-header only.
Insert a header into the request. Read more
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fn append_request_header<M>( self, header_name: HeaderName, make: M, ) -> SetRequestHeader<Self, M>
where Self: Sized,

Available on crate feature set-header only.
Append a header into the request. Read more
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fn insert_request_header_if_not_present<M>( self, header_name: HeaderName, make: M, ) -> SetRequestHeader<Self, M>
where Self: Sized,

Available on crate feature set-header only.
Insert a header into the request, if the header is not already present. Read more
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fn override_response_header<M>( self, header_name: HeaderName, make: M, ) -> SetResponseHeader<Self, M>
where Self: Sized,

Available on crate feature set-header only.
Insert a header into the response. Read more
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fn append_response_header<M>( self, header_name: HeaderName, make: M, ) -> SetResponseHeader<Self, M>
where Self: Sized,

Available on crate feature set-header only.
Append a header into the response. Read more
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fn insert_response_header_if_not_present<M>( self, header_name: HeaderName, make: M, ) -> SetResponseHeader<Self, M>
where Self: Sized,

Available on crate feature set-header only.
Insert a header into the response, if the header is not already present. Read more
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fn set_request_id<M>( self, header_name: HeaderName, make_request_id: M, ) -> SetRequestId<Self, M>
where Self: Sized, M: MakeRequestId,

Available on crate feature request-id only.
Add request id header and extension. Read more
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fn set_x_request_id<M>(self, make_request_id: M) -> SetRequestId<Self, M>
where Self: Sized, M: MakeRequestId,

Available on crate feature request-id only.
Add request id header and extension, using x-request-id as the header name. Read more
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fn propagate_request_id( self, header_name: HeaderName, ) -> PropagateRequestId<Self>
where Self: Sized,

Available on crate feature request-id only.
Propgate request ids from requests to responses. Read more
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fn propagate_x_request_id(self) -> PropagateRequestId<Self>
where Self: Sized,

Available on crate feature request-id only.
Propgate request ids from requests to responses, using x-request-id as the header name. Read more
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fn catch_panic(self) -> CatchPanic<Self, DefaultResponseForPanic>
where Self: Sized,

Available on crate feature catch-panic only.
Catch panics and convert them into 500 Internal Server responses. Read more
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fn request_body_limit(self, limit: usize) -> RequestBodyLimit<Self>
where Self: Sized,

Available on crate feature limit only.
Intercept requests with over-sized payloads and convert them into 413 Payload Too Large responses. Read more
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fn trim_trailing_slash(self) -> NormalizePath<Self>
where Self: Sized,

Available on crate feature normalize-path only.
Remove trailing slashes from paths. Read more
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fn append_trailing_slash(self) -> NormalizePath<Self>
where Self: Sized,

Available on crate feature normalize-path only.
Append trailing slash to paths. Read more
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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSend for T
where T: Send,

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 752 bytes