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```rust
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pub struct CoreCircuitConfig<F: Field, const NUM_STATE_HI_COL: usize, const NUM_STATE_LO_COL: usize>
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{
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/// block index, the index of the block in the chunk, repeated for rows in one block
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pub block_idx: Column<Advice>,
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/// Transaction index, the index inside the block, repeated for rows in one transaction
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pub tx_idx: Column<Advice>,
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/// whether the current transaction is a transaction to create a contract
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pub tx_is_create: Column<Advice>,
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/// Call id, unique for each call, repeated for rows in one execution state
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pub call_id: Column<Advice>,
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/// Contract code address, repeated for rows in one execution state
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... | ... | @@ -22,8 +26,9 @@ pub struct CoreCircuitConfig<F: Field, const NUM_STATE_HI_COL: usize, const NUM_ |
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...
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}
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```
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- block_idx:表示当前交易所在的区块是chunk的第几个
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- tx_idx: 表示交易是区块的第几笔
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- tx_is_create:表示当前交易用于创建合约
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- call_id:在处理执行轨迹的时候,遇到新的call,就给其分配一个唯一的id (不是每次增加1)
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- code_addr:当前运行的合约代码的地址
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- pc:当前程序计数器的位置
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... | ... | @@ -62,11 +67,8 @@ pub struct CoreCircuitConfig<F: Field, const NUM_STATE_HI_COL: usize, const NUM_ |
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pub enum ExecutionState {
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......
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STOP,
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ADD,
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MUL,
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SUB,
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ADD_SUB_MUL_DIV_MOD,
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EXP,
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DIV_MOD,
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ADDMOD,
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MULMOD,
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POP,
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... | ... | @@ -76,19 +78,20 @@ pub enum ExecutionState { |
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......
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}
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```
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我们可以注意到,这两个名称“DIV_MOD”,“AND_OR_XOR”由下划线分隔了,意味着他们可以处理多个功能、逻辑相近的指令(DIV和MOD,AND、OR和XOR)。以逻辑运算指令AND、OR和XOR为例,尽管它们运算不同,但是操作模式相似。因此为了减少重复代码,可以使用一个执行状态处理这三种指令。
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我们可以注意到,这两个名称“ADD_SUB_MUL_DIV_MOD”,“AND_OR_XOR”由下划线分隔了,意味着他们可以处理多个功能、逻辑相近的指令(ADD、SUB、DIV和MOD,AND、OR和XOR)。以逻辑运算指令AND、OR和XOR为例,尽管它们运算不同,但是操作模式相似。因此为了减少重复代码,可以使用一个执行状态处理这三种指令。
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#### 3.1.2 zkEVM电路内部的状态
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在zkEVM电路中为了处理一些非EVM指令的流程,需要使用一些内部状态。EVM中不存在此概念。包括但不限于:
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```rust
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pub enum ExecutionState {
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......
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END_PADDING, // it has to be the first state as it is the padding state
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BEGIN_TX_1, // start a tx, part one
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BEGIN_TX_2, // start a tx, part two
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END_BLOCK,
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END_TX,
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BEGIN_TX_3, // start a tx, part three
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BEGIN_BLOCK,
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BEGIN_CHUNK,
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END_BLOCK,
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END_CHUNK,
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......
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}
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```
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... | ... | |