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