ERC-1155 Multi-Token Standard KECCAK-256 VERIFIED
WEB3 逆向安全工程 // ERC-1155 标准
0x4e1273f4

Solidity Interface & Canonical Declaration

function balanceOfBatch(address[] accounts, uint256[] ids) external view returns (uint256[])

批量查询多个账户在对应代币种类 ID 上的资产余额列表。

理论基础执行 Gas: 3,000 ~ 15,000 gas (view)
返回值类型: uint256[]

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) balanceOfBatch(address[],uint256[]) 的 4 字节函数选择器
0x04 ~ 0x23 (32B) address[] accounts 目标账户地址列表
0x24 ~ 0x43 (32B) uint256[] ids 代币标识符列表

Keccak-256 密码学哈希推导链

标准 ASCII 签名字符串: balanceOfBatch(address[],uint256[])
完整 256 位 Keccak 哈希: 0x4e1273f46c229233ffb464c9596131917915848124c0e2e01ddcbd310b2609d4
截取前 4 字节 (Big-Endian): 0x4e1273f4

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 0x4e1273f4 and branch [0x0006] DUP1 [0x0007] PUSH4 0x4e1273f4 [0x000c] EQ [0x000d] PUSH2 0x0050 [0x0010] JUMPI // Jump to implementation if matched