Solidity Interface & Canonical Declaration
function safeBatchTransferFrom(address from, address to, uint256[] ids, uint256[] amounts, bytes data) external
批量安全划转多个代币类型及其对应数量的资产,保证原子性执行。
理论基础执行 Gas: 60,000 ~ 160,000 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) | safeBatchTransferFrom(address,address,uint256[],uint256[],bytes) 的 4 字节函数选择器 |
| 0x04 ~ 0x23 (32B) | address | from | 转出源地址 |
| 0x24 ~ 0x43 (32B) | address | to | 接收目标地址 |
| 0x44 ~ 0x63 (32B) | uint256[] | ids | 代币种类标识符数组 |
| 0x64 ~ 0x83 (32B) | uint256[] | amounts | 对应转账数量数组 |
| 0x84 ~ 0xa3 (32B) | bytes | data | 附加回调参数 |
Keccak-256 密码学哈希推导链
标准 ASCII 签名字符串: safeBatchTransferFrom(address,address,uint256[],uint256[],bytes)
完整 256 位 Keccak 哈希: 0x2eb2c2d667cf048e1ec82a4537b123e459951729e09ec737ac88a8e82fb2d1db
截取前 4 字节 (Big-Endian): 0x2eb2c2d6
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 0x2eb2c2d6 and branch
[0x0006] DUP1
[0x0007] PUSH4 0x2eb2c2d6
[0x000c] EQ
[0x000d] PUSH2 0x0050
[0x0010] JUMPI // Jump to implementation if matched