30 lines
680 B
Go
30 lines
680 B
Go
package sdk
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import (
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"encoding/binary"
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"fiatjaf.com/nostr"
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)
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var kvStoreLastFetchPrefix = byte('f')
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func makeLastFetchKey(kind nostr.Kind, pubkey nostr.PubKey) []byte {
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buf := make([]byte, 1+5+32)
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buf[0] = kvStoreLastFetchPrefix
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binary.LittleEndian.PutUint32(buf[1:], uint32(kind))
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copy(buf[5:], pubkey[:])
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return buf
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}
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// encodeTimestamp encodes a unix timestamp as 4 bytes
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func encodeTimestamp(t nostr.Timestamp) []byte {
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b := make([]byte, 4)
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binary.BigEndian.PutUint32(b, uint32(t))
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return b
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}
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// decodeTimestamp decodes a 4-byte timestamp into unix seconds
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func decodeTimestamp(b []byte) nostr.Timestamp {
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return nostr.Timestamp(binary.BigEndian.Uint32(b))
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}
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