ERC-1155 Multi-Token Standard KECCAK-256 VERIFIED
WEB3 逆向安全工程 // ERC-1155 标准
0x2eb2c2d6

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