import * as chai from 'chai'; import 'mocha'; import { AbiEncoder, BigNumber } from '../../src/'; import { chaiSetup } from '../utils/chai_setup'; import * as OptimizedAbis from './abi_samples/optimizer_abis'; chaiSetup.configure(); const expect = chai.expect; describe('ABI Encoder: Optimized Method Encoding/Decoding', () => { const encodingRules: AbiEncoder.EncodingRules = { optimize: true }; it('Duplicate Dynamic Arrays with Static Elements', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateDynamicArraysWithStaticElements); const array1 = [new BigNumber(100), new BigNumber(150)]; const array2 = array1; const args = [array1, array2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x7221063300000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000640000000000000000000000000000000000000000000000000000000000000096'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Dynamic Arrays with Dynamic Elements', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateDynamicArraysWithDynamicElements); const array1 = ['Hello', 'World']; const array2 = array1; const args = [array1, array2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0xbb4f12e300000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Static Arrays with Static Elements (should not optimize)', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateStaticArraysWithStaticElements); const array1 = [new BigNumber(100), new BigNumber(150)]; const array2 = array1; const args = [array1, array2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x7f8130430000000000000000000000000000000000000000000000000000000000000064000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000640000000000000000000000000000000000000000000000000000000000000096'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); const unoptimizedCalldata = method.encode(args); expect(optimizedCalldata).to.be.equal(unoptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Static Arrays with Dynamic Elements', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateStaticArraysWithDynamicElements); const array1 = ['Hello', 'World']; const array2 = array1; const args = [array1, array2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x9fe31f8e0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Array Elements (should optimize)', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateArrayElements); const strings = ['Hello', 'World', 'Hello', 'World']; const args = [strings]; // Validate calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Tuple Fields', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateTupleFields); const tuple = ['Hello', 'Hello']; const args = [tuple]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x16780a5e000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000548656c6c6f000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Strings', async () => { // Description: // Two dynamic arrays with the same values. // In the optimized calldata, only one set of elements should be included. // Both arrays should point to this set. // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateStrings); const args = ['Hello', 'Hello']; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x07370bfa00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000548656c6c6f000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Bytes', async () => { // Description: // Two dynamic arrays with the same values. // In the optimized calldata, only one set of elements should be included. // Both arrays should point to this set. // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateBytes); const value = '0x01020304050607080910111213141516171819202122232425262728293031323334353637383940'; const args = [value, value]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x6045e42900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002801020304050607080910111213141516171819202122232425262728293031323334353637383940000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Tuples', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateTuples); const tuple1 = ['Hello, World!', new BigNumber(424234)]; const tuple2 = tuple1; const args = [tuple1, tuple2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x564f826d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000006792a000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20576f726c642100000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Fields Across Two Tuples', async () => { // Description: // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateTuples); const tuple1 = ['Hello, World!', new BigNumber(1)]; const tuple2 = [tuple1[0], new BigNumber(2)]; const args = [tuple1, tuple2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x564f826d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20576f726c642100000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Arrays, Nested in Separate Tuples', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateArraysNestedInTuples); const array = [new BigNumber(100), new BigNumber(150), new BigNumber(200)]; const tuple1 = [array]; const tuple2 = [array, 'extra argument to prevent exactly matching the tuples']; const args = [tuple1, tuple2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x18970a9e000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000064000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000c80000000000000000000000000000000000000000000000000000000000000035657874726120617267756d656e7420746f2070726576656e742065786163746c79206d61746368696e6720746865207475706c65730000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Tuples, Nested in Separate Tuples', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateTuplesNestedInTuples); const nestedTuple = ['Hello, World!']; const tuple1 = [nestedTuple]; const tuple2 = [nestedTuple, 'extra argument to prevent exactly matching the tuples']; const args = [tuple1, tuple2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x0b4d2e6a000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20576f726c6421000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000035657874726120617267756d656e7420746f2070726576656e742065786163746c79206d61746368696e6720746865207475706c65730000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Two-Dimensional Arrays', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateTwoDimensionalArrays); const twoDimArray1 = [['Hello', 'World'], ['Foo', 'Bar', 'Zaa']]; const twoDimArray2 = twoDimArray1; const args = [twoDimArray1, twoDimArray2]; // Validata calldata const optimizedCalldata = method.encode(args, { optimize: false }); const expectedOptimizedCalldata = '0x0d28c4f9000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000002c0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000003466f6f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003426172000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000035a61610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000003466f6f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003426172000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000035a61610000000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Duplicate Array, Nested within Separate Two-Dimensional Arrays', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.duplicateTwoDimensionalArrays); const twoDimArray1 = [['Hello', 'World'], ['Foo']]; const twoDimArray2 = [['Hello', 'World'], ['Bar']]; const args = [twoDimArray1, twoDimArray2]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x0d28c4f900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003466f6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000034261720000000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Array Elements Duplicated as Tuple Fields', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.arrayElementsDuplicatedAsTupleFields); const array = [new BigNumber(100), new BigNumber(150), new BigNumber(200), new BigNumber(225)]; const tuple = [[array[0]], [array[1]], [array[2]], [array[3]]]; const args = [array, tuple]; // Validata calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0x5b5c78fd0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000064000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000c800000000000000000000000000000000000000000000000000000000000000e1'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); it('Array Elements Duplicated as Separate Parameter', async () => { // Generate calldata const method = new AbiEncoder.Method(OptimizedAbis.arrayElementsDuplicatedAsSeparateParameter); const array = ['Hello', 'Hello', 'Hello', 'World']; const str = 'Hello'; const args = [array, str]; // Validate calldata const optimizedCalldata = method.encode(args, encodingRules); const expectedOptimizedCalldata = '0xe0e0d34900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000548656c6c6f000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); expect(decodedArgs).to.be.deep.equal(args); }); });