44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#include <stdlib.h>
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#include <string.h>
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#define IPFS_PIN_C
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#include "ipfs/pin/pin.h"
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#include "ipfs/cid/cid.h"
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#include "ipfs/datastore/key.h"
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#include "ipfs/util/errs.h"
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// package pin implements structures and methods to keep track of
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// which objects a user wants to keep stored locally.
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#define PIN_DATASTOREKEY_SIZE 100
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char *pinDatastoreKey = NULL;
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size_t pinDatastoreKeySize = 0;
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struct Cid *emptyKey = NULL;
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int ipfs_pin_init ()
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{
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int err;
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unsigned char *empty_hash = (unsigned char*) "QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n";
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if (!pinDatastoreKey) { // initialize just one time.
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pinDatastoreKey = malloc(PIN_DATASTOREKEY_SIZE);
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if (!pinDatastoreKey) {
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return ErrAllocFailed;
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}
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err = ipfs_datastore_key_new("/local/pins", pinDatastoreKey, PIN_DATASTOREKEY_SIZE, &pinDatastoreKeySize);
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if (err) {
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free (pinDatastoreKey);
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pinDatastoreKey = NULL;
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return err;
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}
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if (!ipfs_cid_protobuf_decode(empty_hash, strlen ((char*)empty_hash), &emptyKey)) {
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return ErrCidDecodeFailed;
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}
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}
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return 0;
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}
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