Function main

devtools/mkfunding.c:74–173

}

int main(int argc, char *argv[])
{
	struct privkey input_privkey;
	struct privkey local_funding_privkey, remote_funding_privkey;
	struct pubkey funding_localkey, funding_remotekey, inputkey;
	struct amount_sat fee, funding_amount;
	unsigned int feerate_per_kw;
	int argnum;
	struct bitcoin_tx *tx;
	size_t weight;
	struct utxo input;
	struct bitcoin_signature sig;
	struct bitcoin_txid txid;
	u8 **witnesses;

	setup_locale();
	chainparams = chainparams_for_network("bitcoin");

	secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY |
						 SECP256K1_CONTEXT_SIGN);

	if (argc != 1 + 7)
		errx(1, "Usage: mkfunding <input-txid> <input-txout> <input-amount> <feerate-per-kw> <input-privkey> <local-funding-privkey> <remote-funding-privkey>");

	input.is_p2sh = false;
	input.close_info = NULL;

	argnum = 1;
	if (!bitcoin_txid_from_hex(argv[argnum],
				   strlen(argv[argnum]), &input.outpoint.txid))
		errx(1, "Bad input-txid");
	argnum++;
	input.outpoint.n = atoi(argv[argnum++]);
	if (!parse_amount_sat(&input.amount, argv[argnum], strlen(argv[argnum])))
		errx(1, "Bad input-amount");
	argnum++;
	feerate_per_kw = atoi(argv[argnum++]);
	if (!hex_decode(argv[argnum], strlen(argv[argnum]),
			&input_privkey, sizeof(input_privkey)))
		errx(1, "Parsing input-privkey");
	argnum++;
	if (!hex_decode(argv[argnum], strlen(argv[argnum]),
			&local_funding_privkey, sizeof(local_funding_privkey)))
		errx(1, "Parsing local-funding-privkey");
	argnum++;
	if (!hex_decode(argv[argnum], strlen(argv[argnum]),
			&remote_funding_privkey, sizeof(remote_funding_privkey)))
		errx(1, "Parsing remote-funding-privkey");
	argnum++;

	if (!pubkey_from_privkey(&input_privkey, &inputkey)
	    || !pubkey_from_privkey(&local_funding_privkey, &funding_localkey)
	    || !pubkey_from_privkey(&remote_funding_privkey, &funding_remotekey))
		errx(1, "Bad privkeys");

	/* nVersion, input count, output count, nLocktime */
	weight = 4 * (4 + 1 + 1 + 4);
	/* Add segwit fields: marker + flag */