36 lines
916 B
C
36 lines
916 B
C
#include <bitcoin/base58.h>
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#include <bitcoin/script.h>
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#include <ccan/structeq/structeq.h>
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#include <common/utils.h>
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#include <lightningd/build_utxos.h>
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#include <lightningd/jsonrpc.h>
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#include <lightningd/lightningd.h>
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#include <wally_bip32.h>
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const struct utxo **build_utxos(const tal_t *ctx,
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struct lightningd *ld, u64 satoshi_out,
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u32 feerate_per_kw, u64 dust_limit,
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size_t outputscriptlen,
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u64 *change_satoshis, u32 *change_keyindex)
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{
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u64 fee_estimate = 0;
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const struct utxo **utxos =
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wallet_select_coins(ctx, ld->wallet, satoshi_out, feerate_per_kw,
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outputscriptlen,
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&fee_estimate, change_satoshis);
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/* Oops, didn't have enough coins available */
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if (!utxos)
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return NULL;
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/* Do we need a change output? */
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if (*change_satoshis < dust_limit) {
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*change_satoshis = 0;
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*change_keyindex = 0;
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} else {
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*change_keyindex = wallet_get_newindex(ld);
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}
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return utxos;
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}
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