zkevm-docs/4-core.markdown

@@ -427,7 +427,7 @@ fn gen_witness(&self, trace: &GethExecStep, current_state: &mut WitnessExecHelpe
 
 #### get_lookups
 
-从core row, cnt=1，vers[24]~vers[31]的位置位置获取值，去向为Bytecode进行lookup, 这里使用的lookUp类型为`LookupEntry::BytecodeFull`
+从core row, cnt=1，vers[24]~vers[31]的位置获取值，去向为Bytecode进行lookup, 这里使用的LookUp类型为`LookupEntry::BytecodeFull`
 
 ```rust
  fn get_lookups(
@@ -466,7 +466,7 @@ fn gen_witness(&self, trace: &GethExecStep, current_state: &mut WitnessExecHelpe
     }
 ```
 
-## CODECOPY/EXTCODECOPY
+## EXTCODECOPY
 
 ### 概述
 
@@ -495,7 +495,7 @@ STOP
 
 
 
-### Witness Code Row
+### Witness Core Row
 
 core row的表格设计如下：
 
@@ -556,7 +556,8 @@ cnt=2, vers[8]~vers[17] 为padding copy row进行LookUp的值
     ) -> (Vec<copy::Row>, Vec<state::Row>, u64, u64, u64) {
         //...
       
-				let codecopy_stamp = self.state_stamp;
+      	// NoPaddingCopyRow赋值
+      	let codecopy_stamp = self.state_stamp;
         if code_copy_length > 0 {
             for i in 0..code_copy_length {
                 let code = self.bytecode.get(&address).unwrap();
@@ -578,6 +579,7 @@ cnt=2, vers[8]~vers[17] 为padding copy row进行LookUp的值
             }
         }
       
+       // PaddingCopyRow赋值
         let codecopy_padding_stamp = self.state_stamp;
         if padding_length > 0 {
             for i in 0..padding_length {
@@ -615,14 +617,7 @@ fn gen_witness(&self, trace: &GethExecStep, current_state: &mut WitnessExecHelpe
         let (stack_pop_0, address) = current_state.get_pop_stack_row_value(&trace);
         assert!(address.leading_zeros() >= ADDRESS_ZERO_COUNT);
         //let address_code = current_state.bytecode.get(&address).unwrap();
-        let (stack_pop_1, mem_offset) = current_state.get_pop_stack_row_value(&trace);
-
-        let (stack_pop_2, code_offset) = current_state.get_pop_stack_row_value(&trace);
-
-        let (stack_pop_3, size) = current_state.get_pop_stack_row_value(&trace);
-
-        let mut core_row_2 = current_state.get_core_row_without_versatile(&trace, 2);
-
+        // ...
         let (copy_rows, mem_rows, input_length, padding_length, code_copy_length) =
             current_state.get_code_copy_rows_new(address, mem_offset, code_offset, size);
 
@@ -635,27 +630,7 @@ fn gen_witness(&self, trace: &GethExecStep, current_state: &mut WitnessExecHelpe
             default_padding_row = &copy_rows[code_copy_length as usize]
         }
         
-        core_row_2.insert_copy_lookup_new(
-            default_copy_row,
-            default_padding_row,
-            code_copy_length,
-            padding_length,
-        );
-
-        let mut core_row_1 = current_state.get_core_row_without_versatile(&trace, 1);
-
-        core_row_1.insert_state_lookups([&stack_pop_0, &stack_pop_1, &stack_pop_2, &stack_pop_3]);
-        let core_row_0 = ExecutionState::EXTCODECOPY.into_exec_state_core_row(
-            trace,
-            current_state,
-            NUM_STATE_HI_COL,
-            NUM_STATE_LO_COL,
-        );
-
-        let mut state_vec = vec![stack_pop_0, stack_pop_1, stack_pop_2, stack_pop_3];
-        if mem_rows.len() > 0 {
-            state_vec.extend(mem_rows);
-        }
+        // ...
         if input_length > 0 {
             Witness {
                 copy: copy_rows,
@@ -798,13 +773,3 @@ LookUp约束被放在cnt=2的CopyRow，被分为两个种约束：NoPaddingCopy
     }
 ```
 
-
-
-
-
-
-
-
-
-
-