builder_t_2_1 = Builder(secret=kp_a_2_seed, sequence=starting_sequence_a_2+1) builder_t_2_1.append_payment_op( kp_alice.address().decode(), COUNTERPRIZE, 'XLM') builder_t_2_1.add_time_bounds(counter_tx_timebound) t_2_1 = builder_t_2_1.gen_tx() hash_t_2_1 = builder_t_2_1.gen_te().hash_meta() builder_t_1_0 = Builder(secret=kp_a_1_seed) builder_t_1_0.append_set_options_op(master_weight=255) builder_t_1_0.append_set_options_op(med_threshold=2) builder_t_1_0.append_set_options_op(high_threshold=254) builder_t_1_0.append_pre_auth_tx_signer(hash_t_1_2, 1) builder_t_1_0.append_pre_auth_tx_signer(hash_t_1_1, 1) builder_t_1_0.append_hashx_signer(hash_x_a, 1) builder_t_1_0.append_set_options_op(master_weight=0) builder_t_1_0.sign() builder_t_2_0 = Builder(secret=kp_a_2_seed) builder_t_2_0.append_set_options_op(master_weight=255) builder_t_2_0.append_set_options_op(med_threshold=2) builder_t_2_0.append_set_options_op(high_threshold=254) builder_t_2_0.append_pre_auth_tx_signer(hash_t_2_1, 1) builder_t_2_0.append_pre_auth_tx_signer(hash_t_2_2, 1) builder_t_2_0.append_hashx_signer(hash_x_b, 1) builder_t_2_0.append_set_options_op(master_weight=0) builder_t_2_0.sign() print('Submitting t_1_0') response = builder_t_1_0.submit()