45 lines
1.7 KiB
Go
45 lines
1.7 KiB
Go
package modules
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import (
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"go.uber.org/fx"
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"golang.org/x/xerrors"
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blockstore "github.com/ipfs/go-ipfs-blockstore"
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"github.com/multiformats/go-multiaddr"
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"github.com/filecoin-project/lotus/lib/bufbstore"
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"github.com/filecoin-project/lotus/lib/ipfsbstore"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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"github.com/filecoin-project/lotus/node/modules/helpers"
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)
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// IpfsClientBlockstore returns a ClientBlockstore implementation backed by an IPFS node.
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// If ipfsMaddr is empty, a local IPFS node is assumed considering IPFS_PATH configuration.
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// If ipfsMaddr is not empty, it will connect to the remote IPFS node with the provided multiaddress.
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// The flag useForRetrieval indicates if the IPFS node will also be used for storing retrieving deals.
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func IpfsClientBlockstore(ipfsMaddr string, useForRetrieval bool) func(helpers.MetricsCtx, fx.Lifecycle, dtypes.ClientImportMgr) (dtypes.ClientBlockstore, error) {
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return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, localStore dtypes.ClientImportMgr) (dtypes.ClientBlockstore, error) {
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var err error
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var ipfsbs *ipfsbstore.IpfsBstore
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if ipfsMaddr != "" {
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var ma multiaddr.Multiaddr
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ma, err = multiaddr.NewMultiaddr(ipfsMaddr)
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if err != nil {
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return nil, xerrors.Errorf("parsing ipfs multiaddr: %w", err)
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}
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ipfsbs, err = ipfsbstore.NewRemoteIpfsBstore(helpers.LifecycleCtx(mctx, lc), ma)
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} else {
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ipfsbs, err = ipfsbstore.NewIpfsBstore(helpers.LifecycleCtx(mctx, lc))
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}
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if err != nil {
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return nil, xerrors.Errorf("constructing ipfs blockstore: %w", err)
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}
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var ws blockstore.Blockstore
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ws = ipfsbs
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if !useForRetrieval {
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ws = blockstore.NewIdStore(localStore.Blockstore)
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}
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return bufbstore.NewTieredBstore(ipfsbs, ws), nil
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}
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}
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