Add encode call data

.github/workflows/build.yml

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+name: Build and Test
+
+on:
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm run compile
+      - run: npm test

.github/workflows/codeql.yml

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+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "main" ]
+  schedule:
+    - cron: '32 10 * * 2'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'javascript' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: ${{ matrix.language }}
+          # If you wish to specify custom queries, you can do so here or in a config file.
+          # By default, queries listed here will override any specified in a config file.
+          # Prefix the list here with "+" to use these queries and those in the config file.
+
+          # Details on CodeQL's query packs refer to : https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
+          # queries: security-extended,security-and-quality
+
+
+      # Autobuild attempts to build any compiled languages  (C/C++, C#, Go, or Java).
+      # If this step fails, then you should remove it and run the build manually (see below)
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v2
+
+      # ℹ️ Command-line programs to run using the OS shell.
+      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+      #   If the Autobuild fails above, remove it and uncomment the following three lines.
+      #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
+
+      # - run: |
+      #   echo "Run, Build Application using script"
+      #   ./location_of_script_within_repo/buildscript.sh
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2
+        with:
+          category: "/language:${{matrix.language}}"

.github/workflows/publish-alpha-beta.yml

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+name: Publish (alpha / beta)
+
+on:
+  workflow_dispatch:
+    inputs:
+      channel:
+        type: choice
+        description: NPM channel
+        options:
+          - alpha
+          - beta
+
+permissions:
+  contents: write
+
+jobs:
+  publish-npm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 18
+          registry-url: https://registry.npmjs.org/
+
+      - name: Create release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          RELEASE_TAG=v$(node -p "require('./package.json').version")
+          gh release create --prerelease $RELEASE_TAG --target=$GITHUB_SHA --title="$RELEASE_TAG" --generate-notes
+
+      - run: npm ci
+      - run: npm test
+
+      - name: Publish to npmjs
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        run: npm publish --access=public --tag=${{ github.event.inputs.channel }}

.github/workflows/publish.yml

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+name: Publish
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  publish-npm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 18
+          registry-url: https://registry.npmjs.org/
+
+      - name: Create release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          RELEASE_TAG=v$(node -p "require('./package.json').version")
+          gh release create $RELEASE_TAG --target=$GITHUB_SHA --title="$RELEASE_TAG" --generate-notes
+
+      - run: npm ci
+      - run: npm test
+
+      - name: Publish to npmjs
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        run: npm publish --access=public

helpers/encodeCallData.ts

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+import BigNumber from "bignumber.js";
+import { numberToPaddedHex } from "@multiversx/sdk-core/out/utils.codec";
+
+const uint32ArgBytes = 8
+const uint64ArgBytes = 16
+const DataPresentProtocolMarker = "0x01"
+/**
+ * Encodes call data for the deposit function with simplified argument handling.
+ * Automatically attempts to detect and encode integers and strings.
+ *
+ * @param {string} endpointName - The name of the endpoint for the cross-chain call.
+ * @param {number} gasLimit - The gas limit for the cross-chain call.
+ * @param {any[]} args - The arguments for the cross-chain call, assumed to be strings or numbers.
+ * @returns {string} The encoded callData string.
+ */
+export function encodeCallData(endpointName: string, gasLimit: number, args: any[]): string {
+    let callData = DataPresentProtocolMarker;
+    callData = addEndpointName(callData, endpointName);
+    callData = addGasLimit(callData, gasLimit);
+    callData = addArgs(callData, args);
+
+    return callData;
+}
+
+export function addEndpointName(callData: string, endpointName: string): string {
+    const endpointNameBuffer = Buffer.from(endpointName, 'utf8');
+    const endpointNameLength = new BigNumber(endpointNameBuffer.length).toString(16).padStart(uint32ArgBytes, '0');
+    const endpointNameHex = endpointNameBuffer.toString('hex');
+    return callData + endpointNameLength + endpointNameHex;
+}
+
+export function addGasLimit(callData: string, gasLimit: number): string {
+    const gasLimitHex = new BigNumber(gasLimit).toString(16).padStart(uint64ArgBytes, '0');
+    return callData + gasLimitHex;
+}
+
+export function addArgs(callData: string, args: any[]): string {
+    const numArgsHex = new BigNumber(args.length).toString(16).padStart(uint32ArgBytes, '0');
+    let encodedArgs = '';
+    args.forEach(arg => {
+        let argHex, argLengthHex;
+        if (typeof arg === 'number' || (!isNaN(arg) && !isNaN(parseFloat(arg)))) {
+            // Treat as number and convert to padded hex
+            argHex = numberToPaddedHex(arg);
+        } else if (typeof arg === "string") {
+            // Treat as string
+            const argBuffer = Buffer.from(arg, 'utf8');
+            argHex = argBuffer.toString('hex');
+        } else {
+            throw new Error(`Unsupported argument type: ${typeof arg}`);
+        }
+        argLengthHex = new BigNumber(argHex.length / 2).toString(16).padStart(uint32ArgBytes, '0');
+        encodedArgs += argLengthHex + argHex;
+    });
+    return callData + numArgsHex + encodedArgs;
+}

helpers/index.ts

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+export { encodeCallData } from './encodeCallData';

index.ts

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+export { encodeCallData } from "./helpers/encodeCallData";

jest.config.js

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+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};