...# 检查状态字段以确认交易是否成功
if tx_receipt is not None and tx_receipt.status == 1:
print(f"Transaction {tx_hash_register} was successful.")
else:
print(f"Transaction {tx_hash_register} failed or is pending.")
username = "user1"
if user_management.user_exists(username...
...如下：
```
[centos@ip-172-31-37-61 fabric]$ make all
make: go: Command not found
make: go: Command not found
make: go: Command not found
make: go: Command not found
make: go: Command not found
make: go: Command not found
make: go: Command not found
make: go: Command not found
make: go:...
...d from the input part of the transaction, thereby improving the efficiency and scalability of the transaction. The locking script only contains the public key hash, while the unlocking script (witness) contains the signature and the public key.
Lock script: OP_0 OP_PUSHBYTES_20 ``
Unlock scrip...
...品所有者
```rust
// single listing which contains listed item and its price in COIN
// attach actual item as dynamic object field, so we dont define any item field here
struct Listing has key, store {
id: UID,
ask: u64,
owner: address
}
```
#...
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