import * as chai from 'chai'; import * as ethUtil from 'ethereumjs-util'; import 'mocha'; import { AbiEncoder, BigNumber } from '../src/'; import * as AbiSamples from './abi_samples'; import * as OptimizedAbis from './optimizer_abis'; import * as ReturnValueAbis from './return_value_abis'; import { chaiSetup } from './utils/chai_setup'; chaiSetup.configure(); const expect = chai.expect; describe.only('ABI Encoder', () => { describe('Decode Return Values', () => { it('No Return Value', async () => { // Decode return value const method = new AbiEncoder.Method(ReturnValueAbis.noReturnValues); const returnValue = '0x'; const decodedReturnValue = method.decodeReturnValues(returnValue); const expectedDecodedReturnValue: any[] = []; const decodedReturnValueJson = JSON.stringify(decodedReturnValue); const expectedDecodedReturnValueJson = JSON.stringify(expectedDecodedReturnValue); expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson); }); it('Single static return value', async () => { // Generate Return Value const method = new AbiEncoder.Method(ReturnValueAbis.singleStaticReturnValue); const returnValue = ['0x01020304']; const encodedReturnValue = method.encodeReturnValues(returnValue); const decodedReturnValue = method.decodeReturnValues(encodedReturnValue); // Validate decoded return value const decodedReturnValueJson = JSON.stringify(decodedReturnValue); const expectedDecodedReturnValueJson = JSON.stringify(returnValue); expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson); }); it('Multiple static return values', async () => { // Generate Return Value const method = new AbiEncoder.Method(ReturnValueAbis.multipleStaticReturnValues); const returnValue = ['0x01020304', '0x05060708']; const encodedReturnValue = method.encodeReturnValues(returnValue); const decodedReturnValue = method.decodeReturnValues(encodedReturnValue); // Validate decoded return value const decodedReturnValueJson = JSON.stringify(decodedReturnValue); const expectedDecodedReturnValueJson = JSON.stringify(returnValue); expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson); }); it('Single dynamic return value', async () => { // Generate Return Value const method = new AbiEncoder.Method(ReturnValueAbis.singleDynamicReturnValue); const returnValue = ['0x01020304']; const encodedReturnValue = method.encodeReturnValues(returnValue); const decodedReturnValue = method.decodeReturnValues(encodedReturnValue); // Validate decoded return value const decodedReturnValueJson = JSON.stringify(decodedReturnValue); const expectedDecodedReturnValueJson = JSON.stringify(returnValue); expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson); }); it('Multiple dynamic return values', async () => { // Generate Return Value const method = new AbiEncoder.Method(ReturnValueAbis.multipleDynamicReturnValues); const returnValue = ['0x01020304', '0x05060708']; const encodedReturnValue = method.encodeReturnValues(returnValue); const decodedReturnValue = method.decodeReturnValues(encodedReturnValue); // Validate decoded return value const decodedReturnValueJson = JSON.stringify(decodedReturnValue); const expectedDecodedReturnValueJson = JSON.stringify(returnValue); expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson); }); it('Mixed static/dynamic return values', async () => { // Generate Return Value const method = new AbiEncoder.Method(ReturnValueAbis.mixedStaticAndDynamicReturnValues); const returnValue = ['0x01020304', '0x05060708']; const encodedReturnValue = method.encodeReturnValues(returnValue); const decodedReturnValue = method.decodeReturnValues(encodedReturnValue); // Validate decoded return value const decodedReturnValueJson = JSON.stringify(decodedReturnValue); const expectedDecodedReturnValueJson = JSON.stringify(returnValue); expect(decodedReturnValueJson).to.be.equal(expectedDecodedReturnValueJson); }); }); describe('Optimizer', () => { 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, { optimize: true }); const expectedOptimizedCalldata = '0x7221063300000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000640000000000000000000000000000000000000000000000000000000000000096'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0xbb4f12e300000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); 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); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x9fe31f8e0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x16780a5e000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000548656c6c6f000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x07370bfa00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000548656c6c6f000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x6045e42900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002801020304050607080910111213141516171819202122232425262728293031323334353637383940000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x564f826d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000006792a000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20576f726c642100000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x564f826d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20576f726c642100000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x18970a9e000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000064000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000c80000000000000000000000000000000000000000000000000000000000000035657874726120617267756d656e7420746f2070726576656e742065786163746c79206d61746368696e6720746865207475706c65730000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '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'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x0d28c4f900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003466f6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000034261720000000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0x5b5c78fd0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000064000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000c800000000000000000000000000000000000000000000000000000000000000e1'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); 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, { optimize: true }); const expectedOptimizedCalldata = '0xe0e0d34900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000548656c6c6f000000000000000000000000000000000000000000000000000000'; expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata); // Validate decoding const decodedArgs = method.decode(optimizedCalldata); const decodedArgsJson = JSON.stringify(decodedArgs); const argsJson = JSON.stringify(args); expect(decodedArgsJson).to.be.equal(argsJson); }); }); describe('Method ABIs', () => { it('Types with default widths', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.typesWithDefaultWidthsAbi); const args = [ new BigNumber(1), new BigNumber(-1), '0x56', [new BigNumber(1)], [new BigNumber(-1)], ['0x56'], ]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x09f2b0c30000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff560000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000000000000000000000000000000000000000000000000000000000015600000000000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Array of Static Tuples (Array has defined length)', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.arrayOfStaticTuplesWithDefinedLengthAbi); let value = 0; const arrayOfTuples = []; const arrayOfTuplesLength = 8; for (let i = 0; i < arrayOfTuplesLength; ++i) { arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value)]); } const args = [arrayOfTuples]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x9eb20969000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000700000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Array of Static Tuples (Array has dynamic length)', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.arrayOfStaticTuplesWithDynamicLengthAbi); let value = 0; const arrayOfTuples = []; const arrayOfTuplesLength = 8; for (let i = 0; i < arrayOfTuplesLength; ++i) { arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value)]); } const args = [arrayOfTuples]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x63275d6e00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000700000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Array of Dynamic Tuples (Array has defined length)', async () => { // Generate Calldata const method = new AbiEncoder.Method(AbiSamples.arrayOfDynamicTuplesWithDefinedLengthAbi); let value = 0; const arrayOfTuples = []; const arrayOfTuplesLength = 8; for (let i = 0; i < arrayOfTuplesLength; ++i) { arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value).toString()]); } const args = [arrayOfTuples]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0xdeedb00f00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000280000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000003800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000048000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023136000000000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Array of Dynamic Tuples (Array has dynamic length)', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.arrayOfDynamicTuplesWithUndefinedLengthAbi); let value = 0; const arrayOfTuples = []; const arrayOfTuplesLength = 8; for (let i = 0; i < arrayOfTuplesLength; ++i) { arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value).toString()]); } const args = [arrayOfTuples]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x60c847fb000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000280000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000003800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000048000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023136000000000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Multidimensional Arrays / Static Members', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.multiDimensionalArraysStaticTypeAbi); // Eight 3-dimensional arrays of uint8[2][2][2] let value = 0; const args = []; const argsLength = 8; for (let i = 0; i < argsLength; ++i) { args.push([ [ [new BigNumber(++value), new BigNumber(++value)], [new BigNumber(++value), new BigNumber(++value)], ], [ [new BigNumber(++value), new BigNumber(++value)], [new BigNumber(++value), new BigNumber(++value)], ], ]); } const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0xc2f47d6f00000000000000000000000000000000000000000000000000000000000001e00000000000000000000000000000000000000000000000000000000000000480000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000d400000000000000000000000000000000000000000000000000000000000000e600000000000000000000000000000000000000000000000000000000000000039000000000000000000000000000000000000000000000000000000000000003a000000000000000000000000000000000000000000000000000000000000003b000000000000000000000000000000000000000000000000000000000000003c000000000000000000000000000000000000000000000000000000000000003d000000000000000000000000000000000000000000000000000000000000003e000000000000000000000000000000000000000000000000000000000000003f00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000110000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000130000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001500000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001700000000000000000000000000000000000000000000000000000000000000180000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000019000000000000000000000000000000000000000000000000000000000000001a000000000000000000000000000000000000000000000000000000000000001b000000000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001d000000000000000000000000000000000000000000000000000000000000001e000000000000000000000000000000000000000000000000000000000000001f000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000022000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000230000000000000000000000000000000000000000000000000000000000000024000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000025000000000000000000000000000000000000000000000000000000000000002600000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000027000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000029000000000000000000000000000000000000000000000000000000000000002a000000000000000000000000000000000000000000000000000000000000002b000000000000000000000000000000000000000000000000000000000000002c000000000000000000000000000000000000000000000000000000000000002d000000000000000000000000000000000000000000000000000000000000002e000000000000000000000000000000000000000000000000000000000000002f0000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000003100000000000000000000000000000000000000000000000000000000000000320000000000000000000000000000000000000000000000000000000000000033000000000000000000000000000000000000000000000000000000000000003400000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000035000000000000000000000000000000000000000000000000000000000000003600000000000000000000000000000000000000000000000000000000000000370000000000000000000000000000000000000000000000000000000000000038'; expect(calldata).to.be.equal(expectedCalldata); expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Multidimensional Arrays / Dynamic Members', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.multiDimensionalArraysDynamicTypeAbi); // Eight 3-dimensional arrays of string[2][2][2] let value = 0; const args = []; const argsLength = 4; for (let i = 0; i < argsLength; ++i) { args.push([ [ [new BigNumber(++value).toString(), new BigNumber(++value).toString()], [new BigNumber(++value).toString(), new BigNumber(++value).toString()], ], [ [new BigNumber(++value).toString(), new BigNumber(++value).toString()], [new BigNumber(++value).toString(), new BigNumber(++value).toString()], ], ]); } const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x81534ebd0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000052000000000000000000000000000000000000000000000000000000000000009a00000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000260000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000131000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001320000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000013300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000137000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001380000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000260000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000139000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002313000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000023131000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000231320000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000002313300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000023134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000231350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002313600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000024000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000231370000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002313800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000023139000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000232300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000023231000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000232320000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000002323300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000023234000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000232350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002323600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000232370000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002323800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000002323900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000023330000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000002333100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000023332000000000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Fixed Length Array / Dynamic Members', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.staticArrayDynamicMembersAbi); const args = [['Brave', 'New', 'World']]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x243a6e6e0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Fixed Length Array / Dynamic Members', async () => { // Generaet calldata const method = new AbiEncoder.Method(AbiSamples.staticArrayDynamicMembersAbi); const args = [['Brave', 'New', 'World']]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x243a6e6e0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Unfixed Length Array / Dynamic Members ABI', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.dynamicArrayDynamicMembersAbi); const args = [['Brave', 'New', 'World']]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Unfixed Length Array / Static Members ABI', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.dynamicArrayStaticMembersAbi); const args = [[new BigNumber(127), new BigNumber(14), new BigNumber(54)]]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x4fc8a83300000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Fixed Length Array / Static Members ABI', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.staticArrayAbi); const args = [[new BigNumber(127), new BigNumber(14), new BigNumber(54)]]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0xf68ade72000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Array ABI', async () => { // Generate calldata const method = new AbiEncoder.Method(AbiSamples.stringAbi); const args = [['five', 'six', 'seven']]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000373697800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005736576656e000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Static Tuple', async () => { // Generate calldata // This is dynamic because it has dynamic members const method = new AbiEncoder.Method(AbiSamples.staticTupleAbi); const args = [[new BigNumber(5), new BigNumber(10), new BigNumber(15), false]]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0xa9125e150000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Dynamic Tuple (Array input)', async () => { // Generate calldata // This is dynamic because it has dynamic members const method = new AbiEncoder.Method(AbiSamples.dynamicTupleAbi); const args = [[new BigNumber(5), 'five']]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Dynamic Tuple (Object input)', async () => { // Generate Calldata // This is dynamic because it has dynamic members const method = new AbiEncoder.Method(AbiSamples.dynamicTupleAbi); const args = [[new BigNumber(5), 'five']]; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Large, Flat ABI', async () => { // Construct calldata const method = new AbiEncoder.Method(AbiSamples.largeFlatAbi); const args = [ new BigNumber(256745454), new BigNumber(-256745454), new BigNumber(434244), '0x43', '0x0001020304050607080911121314151617181920212223242526272829303132', '0x0001020304050607080911121314151617181920212223242526272829303132080911121314151617181920212223242526272829303132', 'Little peter piper piped a piping pepper pot', '0xe41d2489571d322189246dafa5ebde1f4699f498', true, ]; // Validate calldata const calldata = method.encode(args); const expectedCalldata = '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'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); it('Large, Nested ABI', async () => { // Construct Calldata const method = new AbiEncoder.Method(AbiSamples.largeNestedAbi); const someStaticArray = [new BigNumber(127), new BigNumber(14), new BigNumber(54)]; const someStaticArrayWithDynamicMembers = [ 'the little piping piper piped a piping pipper papper', 'the kid knows how to write poems, what can I say -- I guess theres a lot I could say to try to fill this line with a lot of text.', ]; const someDynamicArrayWithDynamicMembers = [ '0x38745637834987324827439287423897238947239847', '0x7283472398237423984723984729847248927498748974284728947239487498749847874329423743492347329847239842374892374892374892347238947289478947489374289472894738942749823743298742389472389473289472389437249823749823742893472398', '0x283473298473248923749238742398742398472894729843278942374982374892374892743982', ]; const some2DArray = [ [ 'some string', 'some another string', 'there are just too many stringsup in', 'here', 'yall ghonna make me lose my mind', ], [ 'the little piping piper piped a piping pipper papper', 'the kid knows how to write poems, what can I say -- I guess theres a lot I could say to try to fill this line with a lot of text.', ], [], ]; const someTuple = { someUint32: new BigNumber(4037824789), someStr: 'the kid knows how to write poems, what can I say -- I guess theres a lot I could say to try to fill this line with a lot of text.', }; const someTupleWithDynamicTypes = { someUint: new BigNumber(4024789), someStr: 'akdhjasjkdhasjkldshdjahdkjsahdajksdhsajkdhsajkdhadjkashdjksadhajkdhsajkdhsadjk', someBytes: '0x29384723894723843743289742389472398473289472348927489274894738427428947389facdea', someAddress: '0xe41d2489571d322189246dafa5ebde1f4699f498', }; const someTupleWithDynamicTypes2 = { someUint: new BigNumber(9024789), someStr: 'ksdhsajkdhsajkdhadjkashdjksadhajkdhsajkdhsadjkakdhjasjkdhasjkldshdjahdkjsahdaj', someBytes: '0x29384723894398473289472348927489272384374328974238947274894738427428947389facde1', someAddress: '0x746dafa5ebde1f4699f4981d3221892e41d24895', }; const someTupleWithDynamicTypes3 = { someUint: new BigNumber(1024789), someStr: 'sdhsajkdhsajkdhadjkashdjakdhjasjkdhasjkldshdjahdkjsahdajkksadhajkdhsajkdhsadjk', someBytes: '0x38947238437432829384729742389472398473289472348927489274894738427428947389facdef', someAddress: '0x89571d322189e415ebde1f4699f498d24246dafa', }; const someArrayOfTuplesWithDynamicTypes = [someTupleWithDynamicTypes2, someTupleWithDynamicTypes3]; const args = { someStaticArray, someStaticArrayWithDynamicMembers, someDynamicArrayWithDynamicMembers, some2DArray, someTuple, someTupleWithDynamicTypes, someArrayOfTuplesWithDynamicTypes, }; const calldata = method.encode(args); // Validate calldata const expectedCalldata = '0x4b49031c000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000440000000000000000000000000000000000000000000000000000000000000088000000000000000000000000000000000000000000000000000000000000009800000000000000000000000000000000000000000000000000000000000000ae0000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000000163874563783498732482743928742389723894723984700000000000000000000000000000000000000000000000000000000000000000000000000000000006e72834723982374239847239847298472489274987489742847289472394874987498478743294237434923473298472398423748923748923748923472389472894789474893742894728947389427498237432987423894723894732894723894372498237498237428934723980000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000027283473298473248923749238742398742398472894729843278942374982374892374892743982000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000000b736f6d6520737472696e670000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013736f6d6520616e6f7468657220737472696e67000000000000000000000000000000000000000000000000000000000000000000000000000000000000000024746865726520617265206a75737420746f6f206d616e7920737472696e6773757020696e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000046865726500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002079616c6c2067686f6e6e61206d616b65206d65206c6f7365206d79206d696e640000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ac511500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003d69d500000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000100000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498000000000000000000000000000000000000000000000000000000000000004e616b64686a61736a6b646861736a6b6c647368646a6168646b6a73616864616a6b73646873616a6b646873616a6b646861646a6b617368646a6b73616468616a6b646873616a6b64687361646a6b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002829384723894723843743289742389472398473289472348927489274894738427428947389facdea0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001a0000000000000000000000000000000000000000000000000000000000089b51500000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000100000000000000000000000000746dafa5ebde1f4699f4981d3221892e41d24895000000000000000000000000000000000000000000000000000000000000004e6b73646873616a6b646873616a6b646861646a6b617368646a6b73616468616a6b646873616a6b64687361646a6b616b64686a61736a6b646861736a6b6c647368646a6168646b6a73616864616a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002829384723894398473289472348927489272384374328974238947274894738427428947389facde100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000fa3150000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000010000000000000000000000000089571d322189e415ebde1f4699f498d24246dafa000000000000000000000000000000000000000000000000000000000000004e73646873616a6b646873616a6b646861646a6b617368646a616b64686a61736a6b646861736a6b6c647368646a6168646b6a73616864616a6b6b73616468616a6b646873616a6b64687361646a6b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002838947238437432829384729742389472398473289472348927489274894738427428947389facdef000000000000000000000000000000000000000000000000'; expect(calldata).to.be.equal(expectedCalldata); // Validate decoding const expectedDecodedValueJson = JSON.stringify(args); const decodedValue = method.decode(calldata, { structsAsObjects: true }); const decodedValueJson = JSON.stringify(decodedValue); expect(decodedValueJson).to.be.equal(expectedDecodedValueJson); }); }); describe('Array', () => { it('Fixed size; Static elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'int[2]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const args = [new BigNumber(5), new BigNumber(6)]; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Dynamic size; Static elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'int[]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const args = [new BigNumber(5), new BigNumber(6)]; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Fixed size; Dynamic elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'string[2]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const args = ['Hello', 'world']; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005776f726c64000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Dynamic size; Dynamic elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'string[]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const args = ['Hello', 'world']; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000548656c6c6f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005776f726c64000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Dynamic Size; Multidimensional; Dynamic Elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'bytes[][]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const array1 = ['0x01020304', '0x05060708', '0x09101112']; const array2 = ['0x10111213', '0x14151617']; const array3 = ['0x18192021']; const args = [array1, array2, array3]; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000001a000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000040102030400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000405060708000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004091011120000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000041011121300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000414151617000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000041819202100000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Dynamic Size; Multidimensional; Static Elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'bytes4[][]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const array1 = ['0x01020304', '0x05060708', '0x09101112']; const array2 = ['0x10111213', '0x14151617']; const array3 = ['0x18192021']; const args = [array1, array2, array3]; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000000301020304000000000000000000000000000000000000000000000000000000000506070800000000000000000000000000000000000000000000000000000000091011120000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000021011121300000000000000000000000000000000000000000000000000000000141516170000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011819202100000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Static Size; Multidimensional; Static Elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'bytes4[3][2]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const array1 = ['0x01020304', '0x05060708', '0x09101112']; const array2 = ['0x10111213', '0x14151617', '0x18192021']; const args = [array1, array2]; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x010203040000000000000000000000000000000000000000000000000000000005060708000000000000000000000000000000000000000000000000000000000910111200000000000000000000000000000000000000000000000000000000101112130000000000000000000000000000000000000000000000000000000014151617000000000000000000000000000000000000000000000000000000001819202100000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Static Size; Multidimensional; Dynamic Elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'bytes[3][2]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const array1 = ['0x01020304', '0x05060708', '0x09101112']; const array2 = ['0x10111213', '0x14151617', '0x18192021']; const args = [array1, array2]; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000401020304000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004050607080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040910111200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000410111213000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004141516170000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000041819202100000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Static size; Too Few Elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'string[3]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const args = ['Hello', 'world']; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw('Expected array of 3 elements, but got array of length 2'); }); it('Static size; Too Many Elements', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'string[1]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const args = ['Hello', 'world']; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw('Expected array of 1 elements, but got array of length 2'); }); it('Element Type Mismatch', async () => { // Create DataType object const testDataItem = { name: 'testArray', type: 'uint[]' }; const dataType = new AbiEncoder.SolArray(testDataItem); // Construct args to be encoded const args = [new BigNumber(1), 'Bad Argument']; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); }); describe('Tuple', () => { it('Static elements only', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field_1', type: 'int32' }, { name: 'field_2', type: 'bool' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const args = { field_1: new BigNumber(-5), field_2: true }; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffb0000000000000000000000000000000000000000000000000000000000000001'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodingRules: AbiEncoder.DecodingRules = { structsAsObjects: true }; const decodedArgs = dataType.decode(encodedArgs, decodingRules); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Dynamic elements only', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field_1', type: 'string' }, { name: 'field_2', type: 'bytes' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const args = { field_1: 'Hello, World!', field_2: '0xabcdef0123456789' }; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20576f726c6421000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008abcdef0123456789000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodingRules: AbiEncoder.DecodingRules = { structsAsObjects: true }; const decodedArgs = dataType.decode(encodedArgs, decodingRules); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Nested Static Array', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field', type: 'uint[2]' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const args = { field: [new BigNumber(1), new BigNumber(2)] }; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodingRules: AbiEncoder.DecodingRules = { structsAsObjects: true }; const decodedArgs = dataType.decode(encodedArgs, decodingRules); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Nested Dynamic Array', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field', type: 'uint[]' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const args = { field: [new BigNumber(1), new BigNumber(2)] }; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodingRules: AbiEncoder.DecodingRules = { structsAsObjects: true }; const decodedArgs = dataType.decode(encodedArgs, decodingRules); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Nested Static Multidimensional Array', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field', type: 'bytes4[2][2]' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const array1 = ['0x01020304', '0x05060708']; const array2 = ['0x09101112', '0x13141516']; const args = { field: [array1, array2] }; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0102030400000000000000000000000000000000000000000000000000000000050607080000000000000000000000000000000000000000000000000000000009101112000000000000000000000000000000000000000000000000000000001314151600000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodingRules: AbiEncoder.DecodingRules = { structsAsObjects: true }; const decodedArgs = dataType.decode(encodedArgs, decodingRules); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Nested Dynamic Multidimensional Array', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field', type: 'bytes[2][2]' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const array1 = ['0x01020304', '0x05060708']; const array2 = ['0x09101112', '0x13141516']; const args = { field: [array1, array2] }; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000004010203040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040506070800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000004091011120000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000041314151600000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodingRules: AbiEncoder.DecodingRules = { structsAsObjects: true }; const decodedArgs = dataType.decode(encodedArgs, decodingRules); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Static and dynamic elements mixed', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [ { name: 'field_1', type: 'int32' }, { name: 'field_2', type: 'string' }, { name: 'field_3', type: 'bool' }, { name: 'field_4', type: 'bytes' }, ], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const args = { field_1: new BigNumber(-5), field_2: 'Hello, World!', field_3: true, field_4: '0xabcdef0123456789', }; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '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'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodingRules: AbiEncoder.DecodingRules = { structsAsObjects: true }; const decodedArgs = dataType.decode(encodedArgs, decodingRules); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Missing Key', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field_1', type: 'int32' }, { name: 'field_2', type: 'bool' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const args = { field_1: new BigNumber(-5) }; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw('Could not assign tuple to object: missing keys field_2'); }); it('Bad Key', async () => { // Create DataType object const testDataItem = { name: 'Tuple', type: 'tuple', components: [{ name: 'field_1', type: 'int32' }, { name: 'field_2', type: 'bool' }], }; const dataType = new AbiEncoder.Tuple(testDataItem); // Construct args to be encoded const args = { unknown_field: new BigNumber(-5) }; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw("Could not assign tuple to object: unrecognized key 'unknown_field' in object Tuple"); }); }); describe('Address', () => { it('Valid Address', async () => { // Create DataType object const testDataItem = { name: 'Address', type: 'address' }; const dataType = new AbiEncoder.Address(testDataItem); // Construct args to be encoded const args = '0xe41d2489571d322189246dafa5ebde1f4699f498'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Invalid Address - input is not valid hex', async () => { // Create DataType object const testDataItem = { name: 'Address', type: 'address' }; const dataType = new AbiEncoder.Address(testDataItem); // Construct args to be encoded const args = 'e4'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(AbiEncoder.Address.ERROR_MESSAGE_ADDRESS_MUST_START_WITH_0X); }); it('Invalid Address - input is not 20 bytes', async () => { // Create DataType object const testDataItem = { name: 'Address', type: 'address' }; const dataType = new AbiEncoder.Address(testDataItem); // Construct args to be encoded const args = '0xe4'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(AbiEncoder.Address.ERROR_MESSAGE_ADDRESS_MUST_BE_20_BYTES); }); }); describe('Bool', () => { it('True', async () => { // Create DataType object const testDataItem = { name: 'Boolean', type: 'bool' }; const dataType = new AbiEncoder.Bool(testDataItem); // Construct args to be encoded const args = true; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000001'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('False', async () => { // Create DataType object const testDataItem = { name: 'Boolean', type: 'bool' }; const dataType = new AbiEncoder.Bool(testDataItem); // Construct args to be encoded const args = false; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); }); describe('Integer', () => { /* tslint:disable custom-no-magic-numbers */ const max256BitInteger = new BigNumber(2).pow(255).minus(1); const min256BitInteger = new BigNumber(2).pow(255).times(-1); const max32BitInteger = new BigNumber(2).pow(31).minus(1); const min32BitInteger = new BigNumber(2).pow(31).times(-1); /* tslint:enable custom-no-magic-numbers */ it('Int256 - Positive Base Case', async () => { // Create DataType object const testDataItem = { name: 'Integer (256)', type: 'int' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = new BigNumber(1); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000001'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int256 - Negative Base Case', async () => { // Create DataType object const testDataItem = { name: 'Integer (256)', type: 'int' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = new BigNumber(-1); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int256 - Positive Value', async () => { // Create DataType object const testDataItem = { name: 'Integer (256)', type: 'int' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = max256BitInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int256 - Negative Value', async () => { // Create DataType object const testDataItem = { name: 'Integer (256)', type: 'int' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = min256BitInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = `0x8000000000000000000000000000000000000000000000000000000000000000`; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int256 - Value too large', async () => { // Create DataType object const testDataItem = { name: 'Integer (256)', type: 'int' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = max256BitInteger.plus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); it('Int256 - Value too small', async () => { // Create DataType object const testDataItem = { name: 'Integer (256)', type: 'int' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = min256BitInteger.minus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); it('Int32 - Positive Base Case', async () => { // Create DataType object const testDataItem = { name: 'Integer (32)', type: 'int32' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = new BigNumber(1); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000001'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int32 - Negative Base Case', async () => { // Create DataType object const testDataItem = { name: 'Integer (32)', type: 'int32' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = new BigNumber(-1); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int32 - Positive Value', async () => { // Create DataType object const testDataItem = { name: 'Integer (32)', type: 'int32' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = max32BitInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000000000000000000000000000000000007fffffff'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int32 - Negative Value', async () => { // Create DataType object const testDataItem = { name: 'Integer (32)', type: 'int32' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = min32BitInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = `0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff80000000`; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Int32 - Value too large', async () => { // Create DataType object const testDataItem = { name: 'Integer (32)', type: 'int32' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = max32BitInteger.plus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); it('Int32 - Value too small', async () => { // Create DataType object const testDataItem = { name: 'Integer (32)', type: 'int32' }; const dataType = new AbiEncoder.Int(testDataItem); // Construct args to be encoded const args = min32BitInteger.minus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); }); describe('Unsigned Integer', () => { /* tslint:disable custom-no-magic-numbers */ const max256BitUnsignedInteger = new BigNumber(2).pow(256).minus(1); const min256BitUnsignedInteger = new BigNumber(0); const max32BitUnsignedInteger = new BigNumber(2).pow(32).minus(1); const min32BitUnsignedInteger = new BigNumber(0); /* tslint:enable custom-no-magic-numbers */ it('UInt256 - Positive Base Case', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (256)', type: 'uint' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = new BigNumber(1); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000001'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('UInt256 - Positive Value', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (256)', type: 'uint' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = max256BitUnsignedInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('UInt256 - Zero Value', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (256)', type: 'uint' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = min256BitUnsignedInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = `0x0000000000000000000000000000000000000000000000000000000000000000`; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('UInt256 - Value too large', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (256)', type: 'uint' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = max256BitUnsignedInteger.plus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); it('UInt256 - Value too small', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (256)', type: 'uint' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = min256BitUnsignedInteger.minus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); it('UInt32 - Positive Base Case', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (32)', type: 'uint32' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = new BigNumber(1); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0000000000000000000000000000000000000000000000000000000000000001'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('UInt32 - Positive Value', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (32)', type: 'uint32' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = max32BitUnsignedInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000ffffffff'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('UInt32 - Zero Value', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (32)', type: 'uint32' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = min32BitUnsignedInteger; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = `0x0000000000000000000000000000000000000000000000000000000000000000`; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('UInt32 - Value too large', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (32)', type: 'uint32' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = max32BitUnsignedInteger.plus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); it('UInt32 - Value too small', async () => { // Create DataType object const testDataItem = { name: 'Unsigned Integer (32)', type: 'uint32' }; const dataType = new AbiEncoder.UInt(testDataItem); // Construct args to be encoded const args = min32BitUnsignedInteger.minus(1); // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw(); }); }); describe('Static Bytes', () => { it('Single Byte (byte)', async () => { // Create DataType object const testDataItem = { name: 'Static Byte', type: 'byte' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0x05'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0500000000000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Single Byte (bytes1)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes1', type: 'bytes1' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0x05'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0500000000000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('4 Bytes (bytes4)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes4', type: 'bytes4' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0x00010203'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0001020300000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('4 Bytes (bytes4); Encoder must pad input', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes4', type: 'bytes4' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const args = '0x1a18'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x1a18000000000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const paddedArgs = '0x1a180000'; const paddedArgsAsJson = JSON.stringify(paddedArgs); expect(decodedArgsAsJson).to.be.equal(paddedArgsAsJson); }); it('32 Bytes (bytes32)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes32', type: 'bytes32' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0x0001020304050607080911121314151617181920212223242526272829303132'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x0001020304050607080911121314151617181920212223242526272829303132'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('32 Bytes (bytes32); Encoder must pad input', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes32', type: 'bytes32' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const args = '0x1a18bf61'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x1a18bf6100000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const paddedArgs = '0x1a18bf6100000000000000000000000000000000000000000000000000000000'; const paddedArgsAsJson = JSON.stringify(paddedArgs); expect(decodedArgsAsJson).to.be.equal(paddedArgsAsJson); }); it('Should throw when pass in too many bytes (bytes4)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes4', type: 'bytes4' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0x0102030405'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw( 'Tried to assign 0x0102030405 (5 bytes), which exceeds max bytes that can be stored in a bytes4', ); }); it('Should throw when pass in too many bytes (bytes32)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes32', type: 'bytes32' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0x010203040506070809101112131415161718192021222324252627282930313233'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw( 'Tried to assign 0x010203040506070809101112131415161718192021222324252627282930313233 (33 bytes), which exceeds max bytes that can be stored in a bytes32', ); }); it('Should throw when pass in bad hex (no 0x prefix)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes32', type: 'bytes32' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0102030405060708091011121314151617181920212223242526272829303132'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw("Tried to encode non-hex value. Value must inlcude '0x' prefix."); }); it('Should throw when pass in bad hex (include a half-byte)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes32', type: 'bytes32' }; const dataType = new AbiEncoder.Byte(testDataItem); // Construct args to be encoded const args = '0x010'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw('Tried to assign 0x010, which is contains a half-byte. Use full bytes only.'); }); }); describe('Dynamic Bytes', () => { it('Fits into one EVM word', async () => { // Create DataType object const testDataItem = { name: 'Dynamic Bytes', type: 'bytes' }; const dataType = new AbiEncoder.Bytes(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const args = '0x1a18bf61'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000041a18bf6100000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Spans multiple EVM words', async () => { // Create DataType object const testDataItem = { name: 'Dynamic Bytes', type: 'bytes' }; const dataType = new AbiEncoder.Bytes(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const bytesLength = 40; const args = '0x' + '61'.repeat(bytesLength); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000000000000000000000000000000000000000002861616161616161616161616161616161616161616161616161616161616161616161616161616161000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Input as Buffer', async () => { // Create DataType object const testDataItem = { name: 'Dynamic Bytes', type: 'bytes' }; const dataType = new AbiEncoder.Bytes(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const args = '0x1a18bf61'; const argsAsBuffer = ethUtil.toBuffer(args); // Encode Args and validate result const encodedArgs = dataType.encode(argsAsBuffer); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000041a18bf6100000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Should throw when pass in bad hex (no 0x prefix)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes', type: 'bytes' }; const dataType = new AbiEncoder.Bytes(testDataItem); // Construct args to be encoded const args = '01'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw("Tried to encode non-hex value. Value must inlcude '0x' prefix. Got '01'"); }); it('Should throw when pass in bad hex (include a half-byte)', async () => { // Create DataType object const testDataItem = { name: 'Static Bytes', type: 'bytes' }; const dataType = new AbiEncoder.Bytes(testDataItem); // Construct args to be encoded const args = '0x010'; // Encode Args and validate result expect(() => { dataType.encode(args); }).to.throw('Tried to assign 0x010, which is contains a half-byte. Use full bytes only.'); }); }); describe('String', () => { it('Fits into one EVM word', async () => { // Create DataType object const testDataItem = { name: 'String', type: 'string' }; const dataType = new AbiEncoder.SolString(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const args = 'five'; // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x00000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('Spans multiple EVM words', async () => { // Create DataType object const testDataItem = { name: 'String', type: 'string' }; const dataType = new AbiEncoder.SolString(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const bytesLength = 40; const args = 'a'.repeat(bytesLength); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000000000000000000000000000000000000000002861616161616161616161616161616161616161616161616161616161616161616161616161616161000000000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); it('String that begins with 0x prefix', async () => { // Create DataType object const testDataItem = { name: 'String', type: 'string' }; const dataType = new AbiEncoder.SolString(testDataItem); // Construct args to be encoded // Note: There will be padding because this is a bytes32 but we are only passing in 4 bytes. const strLength = 40; const args = '0x' + 'a'.repeat(strLength); // Encode Args and validate result const encodedArgs = dataType.encode(args); const expectedEncodedArgs = '0x000000000000000000000000000000000000000000000000000000000000002a30786161616161616161616161616161616161616161616161616161616161616161616161616161616100000000000000000000000000000000000000000000'; expect(encodedArgs).to.be.equal(expectedEncodedArgs); // Decode Encoded Args and validate result const decodedArgs = dataType.decode(encodedArgs); const decodedArgsAsJson = JSON.stringify(decodedArgs); const argsAsJson = JSON.stringify(args); expect(decodedArgsAsJson).to.be.equal(argsAsJson); }); }); });