diff --git a/src/utils/calldata/index.ts b/src/utils/calldata/index.ts
index 23338a77a..c32337f4e 100644
--- a/src/utils/calldata/index.ts
+++ b/src/utils/calldata/index.ts
@@ -35,7 +35,6 @@ export class CallData {
   protected readonly structs: AbiStructs;
 
   constructor(abi: Abi) {
-    // this.abi = abi;
     this.structs = CallData.getAbiStruct(abi);
     this.parser = createAbiParser(abi);
     this.abi = this.parser.getLegacyFormat();
diff --git a/src/utils/calldata/parser/interface.ts b/src/utils/calldata/parser/interface.ts
index 6784c39d0..895b3a1b5 100644
--- a/src/utils/calldata/parser/interface.ts
+++ b/src/utils/calldata/parser/interface.ts
@@ -2,10 +2,22 @@ import { Abi, FunctionAbi } from '../../../types';
 
 export abstract class AbiParserInterface {
   /**
-   * Helper to calculate inputs from abi
+   * Helper to calculate inputs length from abi
    * @param abiMethod FunctionAbi
+   * @return number
    */
   public abstract methodInputsLength(abiMethod: FunctionAbi): number;
+
+  /**
+   *
+   * @param name string
+   * @return FunctionAbi | undefined
+   */
   public abstract getMethod(name: string): FunctionAbi | undefined;
+
+  /**
+   * Return Abi in legacy format
+   * @return Abi
+   */
   public abstract getLegacyFormat(): Abi;
 }
diff --git a/src/utils/calldata/parser/parser-0-1.1.0.ts b/src/utils/calldata/parser/parser-0-1.1.0.ts
index 8a845ca4d..632fcf902 100644
--- a/src/utils/calldata/parser/parser-0-1.1.0.ts
+++ b/src/utils/calldata/parser/parser-0-1.1.0.ts
@@ -19,10 +19,19 @@ export class AbiParser1 implements AbiParserInterface {
     return abiMethod.inputs.reduce((acc, input) => (!isLen(input.name) ? acc + 1 : acc), 0);
   }
 
+  /**
+   * get method definition from abi
+   * @param name string
+   * @returns FunctionAbi | undefined
+   */
   public getMethod(name: string): FunctionAbi | undefined {
     return this.abi.find((it) => it.name === name);
   }
 
+  /**
+   * Get Abi in legacy format
+   * @returns Abi
+   */
   public getLegacyFormat() {
     return this.abi;
   }
diff --git a/src/utils/calldata/parser/parser-2.0.0.ts b/src/utils/calldata/parser/parser-2.0.0.ts
index 911fc2929..6c9d7b2ba 100644
--- a/src/utils/calldata/parser/parser-2.0.0.ts
+++ b/src/utils/calldata/parser/parser-2.0.0.ts
@@ -9,7 +9,7 @@ export class AbiParser2 implements AbiParserInterface {
   }
 
   /**
-   * abi method inputs length without
+   * abi method inputs length
    * @param abiMethod FunctionAbi
    * @returns number
    */
@@ -17,12 +17,21 @@ export class AbiParser2 implements AbiParserInterface {
     return abiMethod.inputs.length;
   }
 
+  /**
+   * get method definition from abi
+   * @param name string
+   * @returns FunctionAbi | undefined
+   */
   public getMethod(name: string): FunctionAbi | undefined {
     const intf = this.abi.find((it) => it.type === 'interface');
-    return intf.items.find((it) => it.name === name);
+    return intf.items.find((it: any) => it.name === name);
   }
 
-  public getLegacyFormat() {
+  /**
+   * Get Abi in legacy format
+   * @returns Abi
+   */
+  public getLegacyFormat(): Abi {
     return this.abi.flatMap((e) => {
       if (e.type === 'interface') {
         return e.items;