feat: support cairo1 execute calldata

__tests__/utils/transaction.test.ts

@@ -0,0 +1,73 @@
+import { Call, CallStruct } from '../../src/types';
+import {
+  fromCallsToExecuteCalldata_cairo1,
+  transformCallsToMulticallArrays_cairo1,
+} from '../../src/utils/transaction';
+
+describe('transformCallsToMulticallArrays_cairo1', () => {
+  it('should return an empty array when given an empty input', () => {
+    expect(transformCallsToMulticallArrays_cairo1([])).toEqual([]);
+  });
+
+  it('should transform a list of calls into an array of call structs', () => {
+    const calls: Call[] = [
+      {
+        contractAddress: '0x123',
+        entrypoint: 'transfer',
+        calldata: [10],
+      },
+      {
+        contractAddress: '0x456',
+        entrypoint: 'mint',
+        calldata: ['0x2000', BigInt(10000000)],
+      },
+    ];
+    const expected: CallStruct[] = [
+      {
+        to: '291',
+        selector: '232670485425082704932579856502088130646006032362877466777181098476241604910',
+        calldata: ['10'],
+      },
+      {
+        to: '1110',
+        selector: '1329909728320632088402217562277154056711815095720684343816173432540100887380',
+        calldata: ['8192', '10000000'],
+      },
+    ];
+    expect(transformCallsToMulticallArrays_cairo1(calls)).toEqual(expected);
+  });
+});
+
+describe('fromCallsToExecuteCalldata_cairo1', () => {
+  it('should return an array with a length of one when given an empty input', () => {
+    expect(fromCallsToExecuteCalldata_cairo1([])).toEqual(['0']);
+  });
+
+  it('should transform a list of calls into the full flattened calldata', () => {
+    const calls: Call[] = [
+      {
+        contractAddress: '0x123',
+        entrypoint: 'transfer',
+        calldata: [10],
+      },
+      {
+        contractAddress: '0x456',
+        entrypoint: 'mint',
+        calldata: ['0x2000', BigInt(10000000)],
+      },
+    ];
+    const expected = [
+      '2', // Call size
+      '291', // First call
+      '232670485425082704932579856502088130646006032362877466777181098476241604910',
+      '1',
+      '10',
+      '1110', // Second call
+      '1329909728320632088402217562277154056711815095720684343816173432540100887380',
+      '2',
+      '8192',
+      '10000000',
+    ];
+    expect(fromCallsToExecuteCalldata_cairo1(calls)).toEqual(expected);
+  });
+});