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33 lines
855 B
Go
33 lines
855 B
Go
// package exchange defines the IPFS exchange interface
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package exchange
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import (
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"context"
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"io"
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blocks "gx/ipfs/QmYsEQydGrsxNZfAiskvQ76N2xE9hDQtSAkRSynwMiUK3c/go-block-format"
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cid "gx/ipfs/QmeSrf6pzut73u6zLQkRFQ3ygt3k6XFT2kjdYP8Tnkwwyg/go-cid"
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)
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// Any type that implements exchange.Interface may be used as an IPFS block
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// exchange protocol.
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type Interface interface { // type Exchanger interface
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Fetcher
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// TODO Should callers be concerned with whether the block was made
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// available on the network?
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HasBlock(blocks.Block) error
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IsOnline() bool
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io.Closer
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}
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// Fetcher is an object that can be used to retrieve blocks
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type Fetcher interface {
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// GetBlock returns the block associated with a given key.
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GetBlock(context.Context, *cid.Cid) (blocks.Block, error)
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GetBlocks(context.Context, []*cid.Cid) (<-chan blocks.Block, error)
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}
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