Function psbt_input_set_signature

bitcoin/psbt.c:266–287

}

bool psbt_input_set_signature(struct wally_psbt *psbt, size_t in,
			      const struct pubkey *pubkey,
			      const struct bitcoin_signature *sig)
{
	u8 pk_der[PUBKEY_CMPR_LEN];
	u8 sig_der[73];
	size_t sig_len;
	bool ok;

	assert(in < psbt->num_inputs);

	/* we serialize the compressed version of the key, wally likes this */
	pubkey_to_der(pk_der, pubkey);
	sig_len = signature_to_der(sig_der, sig);
	tal_wally_start();
	wally_psbt_input_set_sighash(&psbt->inputs[in], sig->sighash_type);
	ok = wally_psbt_input_add_signature(&psbt->inputs[in],
					    pk_der, sizeof(pk_der),
					    sig_der, sig_len) == WALLY_OK;
	tal_wally_end(psbt);
	return ok;
}

void psbt_input_set_wit_utxo(struct wally_psbt *psbt, size_t in,
			     const u8 *scriptPubkey, struct amount_sat amt)