int tx_init(shpeer_t *cli_peer, tx_t *tx, int tx_op)
{
shkey_t *key;
txop_t *op;
int tx_len;
int err;
if (!tx)
return (SHERR_INVAL);
op = get_tx_op(tx_op);
if (!op)
return (SHERR_INVAL);
if (op->op_size == 0)
return (0);
tx->tx_op = tx_op;
if (op->op_init) {
err = op->op_init(cli_peer, tx);
if (err)
return (err);
}
if (tx->tx_flag & TXF_WARD) {
err = txward_init(tx);
if (err)
return (err);
}
err = local_transid_generate(tx_op, tx);
if (err)
return (err); /* scrypt error */
/* generate transaction key */
memcpy(&tx->tx_key, ashkey_blank(), sizeof(tx->tx_key));
key = shkey_bin((char *)tx, op->op_keylen ? op->op_keylen : op->op_size);
memcpy(&tx->tx_key, key, sizeof(tx->tx_key));
shkey_free(&key);
return (0);
}
/**
* Creates a new bond with the local shared as sender.
* @note Set the bond state to confirm to initiate transaction.
*/
tx_bond_t *create_bond(shkey_t *bond_key, double duration, double fee, double basis)
{
bond = (tx_bond_t *)calloc(1, sizeof(tx_bond_t));
if (!bond)
return (SHERR_NOMEM);
local_transid_generate(TX_BOND, &bond->tx);
bond->bond_stamp = shtime64();
bond->bond_stamp = shtime_adj(bond->bond_stamp, duration);
bond->bond_credit = (uint64_t)(fee / 0.00000001);
bond->bond_basis = (uint32_t)(basis * 10000);
bond->bond_state = TXBOND_PENDING;
/* authenticate bond info */
generate_bond_signature(bond);
err = tx_init(NULL, (tx_t *)bond, TX_BOND);
if (err)
return (err);
return (bond);
}
