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69 lines
2.1 KiB
Go
69 lines
2.1 KiB
Go
package iface
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import (
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"context"
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"io"
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options "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
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cid "gx/ipfs/QmYVNvtQkeZ6AKSwDrjQTs432QtL6umrrK41EBq3cu7iSP/go-cid"
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ipld "gx/ipfs/QmZtNq8dArGfnpCZfx2pUNY7UcjGhVp5qqwQ4hH6mpTMRQ/go-ipld-format"
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)
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// ObjectStat provides information about dag nodes
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type ObjectStat struct {
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// Cid is the CID of the node
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Cid *cid.Cid
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// NumLinks is number of links the node contains
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NumLinks int
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// BlockSize is size of the raw serialized node
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BlockSize int
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// LinksSize is size of the links block section
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LinksSize int
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// DataSize is the size of data block section
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DataSize int
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// CumulativeSize is size of the tree (BlockSize + link sizes)
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CumulativeSize int
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}
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// ObjectAPI specifies the interface to MerkleDAG and contains useful utilities
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// for manipulating MerkleDAG data structures.
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type ObjectAPI interface {
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// New creates new, empty (by default) dag-node.
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New(context.Context, ...options.ObjectNewOption) (ipld.Node, error)
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// Put imports the data into merkledag
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Put(context.Context, io.Reader, ...options.ObjectPutOption) (ResolvedPath, error)
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// Get returns the node for the path
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Get(context.Context, Path) (ipld.Node, error)
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// Data returns reader for data of the node
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Data(context.Context, Path) (io.Reader, error)
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// Links returns lint or links the node contains
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Links(context.Context, Path) ([]*ipld.Link, error)
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// Stat returns information about the node
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Stat(context.Context, Path) (*ObjectStat, error)
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// AddLink adds a link under the specified path. child path can point to a
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// subdirectory within the patent which must be present (can be overridden
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// with WithCreate option).
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AddLink(ctx context.Context, base Path, name string, child Path, opts ...options.ObjectAddLinkOption) (ResolvedPath, error)
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// RmLink removes a link from the node
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RmLink(ctx context.Context, base Path, link string) (ResolvedPath, error)
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// AppendData appends data to the node
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AppendData(context.Context, Path, io.Reader) (ResolvedPath, error)
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// SetData sets the data contained in the node
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SetData(context.Context, Path, io.Reader) (ResolvedPath, error)
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}
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