Solidity Interface & Canonical Declaration
function setApprovalForAll(address operator, bool approved) external
开启或撤销指定第三方操作员(operator)管理调用者名下全部 NFT 资产的完整控制权限。
理论基础执行 Gas: 26,000 ~ 45,000 gas
返回值类型: void
Calldata 调用数据 ABI 编码布局账本
| Calldata Offset | Type | Parameter Name | Semantic Role |
|---|---|---|---|
| 0x00 ~ 0x03 (4B) | bytes4 | Method ID (msg.sig) | setApprovalForAll(address,bool) 的 4 字节函数选择器 |
| 0x04 ~ 0x23 (32B) | address | operator | 被授予全部管理权限的操作员地址 |
| 0x24 ~ 0x43 (32B) | bool | approved | true 表示开启完全授权,false 表示撤销 |
Keccak-256 密码学哈希推导链
标准 ASCII 签名字符串: setApprovalForAll(address,bool)
完整 256 位 Keccak 哈希: 0xa22cb4651ab9570f89bb516380c40ce76762284fb1f21337ceaf6adab99e7d4a
截取前 4 字节 (Big-Endian): 0xa22cb465
EVM 运行时调度器汇编代码特征 (Dispatcher Opcodes)
// 1. Load the first 32 bytes of transaction calldata
[0x0000] PUSH1 0x00
[0x0002] CALLDATALOAD
// 2. Right-shift by 224 bits (0xe0) to isolate the 4-byte selector
[0x0003] PUSH1 0xe0
[0x0005] SHR
// 3. Match against target selector 0xa22cb465 and branch
[0x0006] DUP1
[0x0007] PUSH4 0xa22cb465
[0x000c] EQ
[0x000d] PUSH2 0x0050
[0x0010] JUMPI // Jump to implementation if matched