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  • 7 copy

7 copy · Changes

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copy authored Nov 01, 2023 by geruiwang's avatar geruiwang
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...@@ -16,6 +16,19 @@ Copy类操作指的是在EVM中进行不定长的一段数据数据拷贝,例 ...@@ -16,6 +16,19 @@ Copy类操作指的是在EVM中进行不定长的一段数据数据拷贝,例
- CALLDATA_FROMPUBLIC: 外界(交易、公开数据)的CALLDATA输入 - CALLDATA_FROMPUBLIC: 外界(交易、公开数据)的CALLDATA输入
- CALLDATA_FROMCALL: 合约调用另一个合约的CALLDATA输入 - CALLDATA_FROMCALL: 合约调用另一个合约的CALLDATA输入
如下图,数据的位置可能是:state子电路中的memory、calldata、returndata,bytecode子电路中的bytecode,public子电路中的calldata和log。
![Figure 1](/image/copy-location.jpg)
- CODECOPY:从bytecode到memory
- CALLDATACOPY:从calldata(state中的)到memory
- RETURN:从memory到returndata
- RETURNDATACOPY:从returndata到memory
- LOG:从memory到log
- 调用开始(开始处理一笔交易或者CALL)时,CALLDATA要被写入STATE子电路所维持的状态中。分为两种:
- CALLDATA_FROMPUBLIC: 从public的CALLDATA到state中的calldata
- CALLDATA_FROMCALL: 从memory到state中的calldata
## 设计 ## 设计
### Witness、Column设计 ### Witness、Column设计
......
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