[−][src]Struct bcfs::BCFS
Methods
impl BCFS
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pub fn new<S: AsRef<str>>(home_addr: Address, blockchain_name: S) -> Self
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Creates a new fs for the account at home_addr
.
pub fn prestat(
&mut self,
_ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<&Path, ErrNo>
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&mut self,
_ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<&Path, ErrNo>
Returns pre-opened dir fds. @see crate::file::special_file_ctor
pub fn open(
&mut self,
ptx: &mut dyn PendingTransaction,
curdir: Fd,
path: &Path,
open_flags: OpenFlags,
fd_flags: FdFlags
) -> Result<Fd, ErrNo>
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&mut self,
ptx: &mut dyn PendingTransaction,
curdir: Fd,
path: &Path,
open_flags: OpenFlags,
fd_flags: FdFlags
) -> Result<Fd, ErrNo>
Returns a capability to the resource at the given (relative!) path
.
curdir
is the root capability to which the path
is relative.
The blockchain environment is exposed through files in /opt/<chain_name>/
:
<address>/balance
- contains the read-only public balance of the account at<address>
<address>/bytecode
- contains the read-only Wasm bytecode of the account at<address>
log
- an append-only file to which events can be written. @seeBCFS::parse_log
.
The user's home directory is /opt/<chain_name>/<address>
.
pub fn tempfile(
&mut self,
_ptx: &mut dyn PendingTransaction
) -> Result<Fd, ErrNo>
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&mut self,
_ptx: &mut dyn PendingTransaction
) -> Result<Fd, ErrNo>
pub fn flush(
&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<(), ErrNo>
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&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<(), ErrNo>
pub fn close(
&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<(), ErrNo>
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&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<(), ErrNo>
pub fn unlink(
&mut self,
ptx: &mut dyn PendingTransaction,
curdir: Fd,
path: &Path
) -> Result<u64, ErrNo>
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&mut self,
ptx: &mut dyn PendingTransaction,
curdir: Fd,
path: &Path
) -> Result<u64, ErrNo>
Removes the file at path
and returns the number of bytes previously in the file.
pub fn seek(
&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
offset: FileDelta,
whence: Whence
) -> Result<FileSize, ErrNo>
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&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
offset: FileDelta,
whence: Whence
) -> Result<FileSize, ErrNo>
pub fn fdstat(
&self,
_ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<FdStat, ErrNo>
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&self,
_ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<FdStat, ErrNo>
pub fn filestat(
&self,
ptx: &dyn PendingTransaction,
fd: Fd
) -> Result<FileStat, ErrNo>
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&self,
ptx: &dyn PendingTransaction,
fd: Fd
) -> Result<FileStat, ErrNo>
pub fn tell(
&self,
ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<FileSize, ErrNo>
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&self,
ptx: &mut dyn PendingTransaction,
fd: Fd
) -> Result<FileSize, ErrNo>
pub fn read_vectored(
&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &mut [IoSliceMut]
) -> Result<usize, ErrNo>
[src]
&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &mut [IoSliceMut]
) -> Result<usize, ErrNo>
pub fn pread_vectored(
&self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &mut [IoSliceMut],
offset: FileSize
) -> Result<usize, ErrNo>
[src]
&self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &mut [IoSliceMut],
offset: FileSize
) -> Result<usize, ErrNo>
pub fn write_vectored(
&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &[IoSlice]
) -> Result<usize, ErrNo>
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&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &[IoSlice]
) -> Result<usize, ErrNo>
pub fn pwrite_vectored(
&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &[IoSlice],
offset: FileSize
) -> Result<usize, ErrNo>
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&mut self,
ptx: &mut dyn PendingTransaction,
fd: Fd,
bufs: &[IoSlice],
offset: FileSize
) -> Result<usize, ErrNo>
pub fn renumber(
&mut self,
_ptx: &mut dyn PendingTransaction,
fd: Fd,
new_fd: Fd
) -> Result<(), ErrNo>
[src]
&mut self,
_ptx: &mut dyn PendingTransaction,
fd: Fd,
new_fd: Fd
) -> Result<(), ErrNo>
Auto Trait Implementations
impl !RefUnwindSafe for BCFS
impl Send for BCFS
impl !Sync for BCFS
impl Unpin for BCFS
impl UnwindSafe for BCFS
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,
fn borrow_mut(&mut self) -> &mut T
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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, 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.
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>,