27 lines
745 B
C
27 lines
745 B
C
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#include <bitcoin/tx.h>
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#include <common/channel_id.h>
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#include <common/type_to_string.h>
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#include <wire/wire.h>
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void derive_channel_id(struct channel_id *channel_id,
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const struct bitcoin_txid *txid, u16 txout)
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{
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BUILD_ASSERT(sizeof(*channel_id) == sizeof(*txid));
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memcpy(channel_id, txid, sizeof(*channel_id));
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channel_id->id[sizeof(*channel_id)-2] ^= txout >> 8;
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channel_id->id[sizeof(*channel_id)-1] ^= txout;
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}
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void towire_channel_id(u8 **pptr, const struct channel_id *channel_id)
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{
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towire(pptr, channel_id, sizeof(*channel_id));
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}
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void fromwire_channel_id(const u8 **cursor, size_t *max,
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struct channel_id *channel_id)
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{
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fromwire(cursor, max, channel_id, sizeof(*channel_id));
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}
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REGISTER_TYPE_TO_HEXSTR(channel_id);
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