[−][src]Struct ipfs_embed_core::Block
Block
Implementations
impl<S> Block<S> where
S: StoreParams,
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S: StoreParams,
pub fn new(
cid: Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>,
data: Vec<u8, Global>
) -> Result<Block<S>, Error>
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cid: Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>,
data: Vec<u8, Global>
) -> Result<Block<S>, Error>
Creates a new block. Returns an error if the hash doesn't match the data.
pub fn new_unchecked(
cid: Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>,
data: Vec<u8, Global>
) -> Block<S>
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cid: Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>,
data: Vec<u8, Global>
) -> Block<S>
Creates a new block without verifying the cid.
pub fn cid(
&self
) -> &Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>
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&self
) -> &Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>
Returns the cid.
pub fn data(&self) -> &[u8]
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Returns the payload.
pub fn into_inner(
self
) -> (Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>, Vec<u8, Global>)
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self
) -> (Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>, Vec<u8, Global>)
Returns the inner cid and data.
pub fn encode<CE, T>(
codec: CE,
hcode: <S as StoreParams>::Hashes,
payload: &T
) -> Result<Block<S>, Error> where
T: Encode<CE> + ?Sized,
CE: Codec + Into<<S as StoreParams>::Codecs>,
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codec: CE,
hcode: <S as StoreParams>::Hashes,
payload: &T
) -> Result<Block<S>, Error> where
T: Encode<CE> + ?Sized,
CE: Codec + Into<<S as StoreParams>::Codecs>,
Encode a block.`
pub fn decode<CD, T>(&self) -> Result<T, Error> where
T: Decode<CD>,
CD: Codec,
<S as StoreParams>::Codecs: Into<CD>,
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T: Decode<CD>,
CD: Codec,
<S as StoreParams>::Codecs: Into<CD>,
Decodes a block.
Example
Decoding to [Ipld
]:
use libipld::block::Block; use libipld::cbor::DagCborCodec; use libipld::ipld::Ipld; use libipld::multihash::Code; use libipld::store::DefaultParams; let block = Block::<DefaultParams>::encode(DagCborCodec, Code::Blake3_256, "Hello World!").unwrap(); let ipld = block.decode::<DagCborCodec, Ipld>().unwrap(); assert_eq!(ipld, Ipld::String("Hello World!".to_string()));
pub fn ipld(&self) -> Result<Ipld, Error> where
Ipld: Decode<<S as StoreParams>::Codecs>,
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Ipld: Decode<<S as StoreParams>::Codecs>,
Returns the decoded ipld.
pub fn references<E>(&self, set: &mut E) -> Result<(), Error> where
E: Extend<Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>>,
Ipld: References<<S as StoreParams>::Codecs>,
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E: Extend<Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>>,
Ipld: References<<S as StoreParams>::Codecs>,
Returns the references.
Methods from Deref<Target = Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>>
pub fn version(&self) -> Version
Returns the cid version.
pub fn codec(&self) -> u64
Returns the cid codec.
pub fn hash(&self) -> &Multihash<S>
Returns the cid multihash.
pub fn write_bytes<W>(&self, w: W) -> Result<(), Error> where
W: Write,
W: Write,
Writes the bytes to a byte stream.
pub fn to_bytes(&self) -> Vec<u8, Global>
Returns the encoded bytes of the Cid
.
pub fn to_string_of_base(&self, base: Base) -> Result<String, Error>
Convert CID into a multibase encoded string
Example
use cid::Cid; use multibase::Base; use multihash::{Code, MultihashDigest}; const RAW: u64 = 0x55; let cid = Cid::new_v1(RAW, Code::Sha2_256.digest(b"foo")); let encoded = cid.to_string_of_base(Base::Base64).unwrap(); assert_eq!(encoded, "mAVUSICwmtGto/8aP+ZtFPB0wQTQTQi1wZIO/oPmKXohiZueu");
Trait Implementations
impl<S> AsRef<[u8]> for Block<S>
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impl<S> AsRef<Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>> for Block<S>
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pub fn as_ref(
&self
) -> &Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>
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&self
) -> &Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>
impl<S> Borrow<Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>> for Block<S>
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pub fn borrow(
&self
) -> &Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>
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&self
) -> &Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>
impl<S> Clone for Block<S> where
S: Clone,
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S: Clone,
impl<S> Debug for Block<S>
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impl<S> Deref for Block<S>
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type Target = Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>
The resulting type after dereferencing.
pub fn deref(&self) -> &<Block<S> as Deref>::Target
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impl<S> Eq for Block<S>
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impl<S> Hash for Block<S>
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pub fn hash<SH>(&self, hasher: &mut SH) where
SH: Hasher,
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SH: Hasher,
pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl<S> PartialEq<Block<S>> for Block<S>
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Auto Trait Implementations
impl<S> RefUnwindSafe for Block<S> where
S: RefUnwindSafe,
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S: RefUnwindSafe,
impl<S> Send for Block<S> where
S: Send,
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S: Send,
impl<S> Sync for Block<S> where
S: Sync,
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S: Sync,
impl<S> Unpin for Block<S> where
S: Unpin,
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S: Unpin,
impl<S> UnwindSafe for Block<S> where
S: UnwindSafe,
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S: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> CallHasher for T where
T: Hash,
T: Hash,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ProtocolName for T where
T: AsRef<[u8]>,
T: AsRef<[u8]>,
pub fn protocol_name(&self) -> &[u8]
impl<T> References<RawCodec> for T
pub fn references<R, E>(
_c: RawCodec,
_r: &mut R,
_set: &mut E
) -> Result<(), Error> where
E: Extend<Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>>,
R: Read,
_c: RawCodec,
_r: &mut R,
_set: &mut E
) -> Result<(), Error> where
E: Extend<Cid<UInt<UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, B0>>>,
R: Read,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,