path: root/packages/utils/test/abi_encoder_test.ts

import * as chai from 'chai';
import 'mocha';

import { chaiSetup } from './utils/chai_setup';
import { BigNumber, AbiEncoder } from '../src/';
import * as AbiSamples from './abi_samples';
import { DecodingRules } from '../src/abi_encoder';
import ethUtil = require('ethereumjs-util');

chaiSetup.configure();
const expect = chai.expect;

describe.only('ABI Encoder', () => {
    describe('Optimizer', () => {
        it('Should reuse duplicated strings in string array', async () => {
            const method = new AbiEncoder.Method(AbiSamples.GAbi);

            const args = [
                {
                    a: new BigNumber(5),
                    e: '0x616161',
                    b: 'aaa',
                    f: '0xe41d2489571d322189246dafa5ebde1f4699f498'
                }
            ]

            // Verify optimized calldata is expected
            const optimizedCalldata = method.encode(args, { optimize: true });
            //const expectedOptimizedCalldata = '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000b5465737420537472696e67000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d5465737420537472696e67203200000000000000000000000000000000000000';
            //expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata);

            // Verify args decode properly
            const decodedArgs = method.decode(optimizedCalldata);
            const decodedArgsJson = JSON.stringify(decodedArgs);
            const argsJson = JSON.stringify(args);
            //expect(decodedArgsJson).to.be.equal(argsJson);

            console.log(method.getSignature());
            console.log('*'.repeat(100), '\n', method.encode(args, { optimize: true, annotate: true }), '\n', '*'.repeat(100));
            console.log('*'.repeat(100), '\n', method.encode(args, { optimize: true }), '\n', '*'.repeat(100));

        });

        it('Should reuse duplicated strings in string array', async () => {
            const method = new AbiEncoder.Method(AbiSamples.stringAbi);
            const strings = [
                "Test String",
                "Test String 2",
                "Test String",
                "Test String 2",
            ];
            const args = [strings];

            // Verify optimized calldata is expected
            const optimizedCalldata = method.encode(args, { optimize: true });
            const expectedOptimizedCalldata = '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000b5465737420537472696e67000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d5465737420537472696e67203200000000000000000000000000000000000000';
            expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata);

            // Verify args decode properly
            const decodedArgs = method.decode(optimizedCalldata);
            const decodedArgsJson = JSON.stringify(decodedArgs);
            const argsJson = JSON.stringify(args);
            expect(decodedArgsJson).to.be.equal(argsJson);

            console.log('*'.repeat(100), '\n', method.encode(args, { optimize: true, annotate: true }), '\n', '*'.repeat(100));
            console.log('*'.repeat(100), '\n', method.encode(args, { optimize: true }), '\n', '*'.repeat(100));
        });

        it('Should point array elements to a duplicated value from another parameter', async () => {
            const method = new AbiEncoder.Method(AbiSamples.optimizerAbi2);
            const stringArray = [
                "Test String",
                "Test String",
                "Test String",
                "Test String 2",
            ];
            const string = 'Test String';
            const args = [stringArray, string];

            // Verify optimized calldata is expected
            const optimizedCalldata = method.encode(args, { optimize: true });
            const expectedOptimizedCalldata = '0xe0e0d34900000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000d5465737420537472696e67203200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b5465737420537472696e67000000000000000000000000000000000000000000';
            expect(optimizedCalldata).to.be.equal(expectedOptimizedCalldata);

            // Verify args decode properly
            const decodedArgs = method.decode(optimizedCalldata);
            const decodedArgsJson = JSON.stringify(decodedArgs);
            const argsJson = JSON.stringify(args);
            expect(decodedArgsJson).to.be.equal(argsJson);

            console.log('*'.repeat(100), '\n', method.encode(args, { optimize: true, annotate: true }), '\n', '*'.repeat(100));
            console.log('*'.repeat(100), '\n', method.encode(args, { optimize: true }), '\n', '*'.repeat(100));
        });


        it('Optimizer #3 (tuple should point to array)', async () => {
            const method = new AbiEncoder.Method(AbiSamples.optimizerAbi3);
            const uint8Array = [
                new BigNumber(100),
                new BigNumber(150),
                new BigNumber(200),
                new BigNumber(225),
            ];
            const uintTupleArray = [[uint8Array[0]], [uint8Array[1]], [uint8Array[2]], [uint8Array[3]]];
            const args = [uint8Array, uintTupleArray];


            const TEST = method.encode(args, { optimize: true, annotate: true });
            console.log('*'.repeat(50), ' ENCODED DATA ', TEST);

            const optimizedCalldata = method.encode(args, { optimize: true });

            console.log(`OPTIMIZED CALLDATA == '${optimizedCalldata}'`);
            const decodedArgs = method.decode(optimizedCalldata);
            const decodedArgsJson = JSON.stringify(decodedArgs);
            const argsJson = JSON.stringify(args);
            console.log(JSON.stringify(decodedArgs));
            expect(decodedArgsJson).to.be.equal(argsJson);
        });

        it('Optimizer #4 (Expect no optimization)', async () => {
            const method = new AbiEncoder.Method(AbiSamples.optimizerAbi4);
            const uint8Array = [
                new BigNumber(100),
                new BigNumber(150),
                new BigNumber(200),
                new BigNumber(225),
            ];
            const uintTupleArray = [[uint8Array[0]], [uint8Array[1]], [uint8Array[2]], [uint8Array[3]]];
            const args = [uint8Array, uintTupleArray];


            const TEST = method.encode(args, { optimize: true, annotate: true });
            console.log('*'.repeat(50), ' ENCODED DATA ', TEST);

            const optimizedCalldata = method.encode(args, { optimize: true });

            console.log(`OPTIMIZED CALLDATA == '${optimizedCalldata}'`);
            const decodedArgs = method.decode(optimizedCalldata);
            const decodedArgsJson = JSON.stringify(decodedArgs);
            const argsJson = JSON.stringify(args);
            console.log(JSON.stringify(decodedArgs));
            expect(decodedArgsJson).to.be.equal(argsJson);
        });
    });

    describe.only('ABI Tests at Method Level', () => {
        it('Crazy ABI', async () => {
            const method = new AbiEncoder.Method(AbiSamples.crazyAbi);
            console.log(method.getSignature());

            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: someStaticArray,
                someStaticArrayWithDynamicMembers: someStaticArrayWithDynamicMembers,
                someDynamicArrayWithDynamicMembers: someDynamicArrayWithDynamicMembers,
                some2DArray: some2DArray,
                someTuple: someTuple,
                someTupleWithDynamicTypes: someTupleWithDynamicTypes,
                someArrayOfTuplesWithDynamicTypes: someArrayOfTuplesWithDynamicTypes
            };

            const calldata = method.encode(args);
            console.log(calldata);

            console.log('*'.repeat(40));
            console.log(JSON.stringify(args));
            console.log(method.getSignature());

            const expectedCalldata = '0x4b49031c000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000440000000000000000000000000000000000000000000000000000000000000088000000000000000000000000000000000000000000000000000000000000009800000000000000000000000000000000000000000000000000000000000000ae0000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000000163874563783498732482743928742389723894723984700000000000000000000000000000000000000000000000000000000000000000000000000000000006e72834723982374239847239847298472489274987489742847289472394874987498478743294237434923473298472398423748923748923748923472389472894789474893742894728947389427498237432987423894723894732894723894372498237498237428934723980000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000027283473298473248923749238742398742398472894729843278942374982374892374892743982000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000000b736f6d6520737472696e670000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013736f6d6520616e6f7468657220737472696e67000000000000000000000000000000000000000000000000000000000000000000000000000000000000000024746865726520617265206a75737420746f6f206d616e7920737472696e6773757020696e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000046865726500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002079616c6c2067686f6e6e61206d616b65206d65206c6f7365206d79206d696e640000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ac511500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003d69d50000000000000000000000000000000000000000000000000000000000000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            //const expectedCalldata = '0x30e1f844000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000003600000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000260000000000000000000000000000000000000000000000000000000000000042000000000000000000000000000000000000000000000000000000000000008600000000000000000000000000000000000000000000000000000000000000960000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000000163874563783498732482743928742389723894723984700000000000000000000000000000000000000000000000000000000000000000000000000000000006e72834723982374239847239847298472489274987489742847289472394874987498478743294237434923473298472398423748923748923748923472389472894789474893742894728947389427498237432987423894723894732894723894372498237498237428934723980000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000027283473298473248923749238742398742398472894729843278942374982374892374892743982000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000000b736f6d6520737472696e670000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013736f6d6520616e6f7468657220737472696e67000000000000000000000000000000000000000000000000000000000000000000000000000000000000000024746865726520617265206a75737420746f6f206d616e7920737472696e6773757020696e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000046865726500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002079616c6c2067686f6e6e61206d616b65206d65206c6f7365206d79206d696e640000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ac511500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000cf5763d5ec63d500600000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000100000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498000000000000000000000000000000000000000000000000000000000000004e616b64686a61736a6b646861736a6b6c647368646a6168646b6a73616864616a6b73646873616a6b646873616a6b646861646a6b617368646a6b73616468616a6b646873616a6b64687361646a6b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000024f7484848484848484848484848484848484848384757687980943399445858584893209100000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test decoding
            const expectedDecodedValueJson = JSON.stringify(args);
            const decodedValue = method.decode(calldata, { structsAsObjects: true });
            const decodedValueJson = JSON.stringify(decodedValue);
            console.log(`DECODED`, '*'.repeat(200), '\n', decodedValueJson);
            expect(decodedValueJson).to.be.equal(expectedDecodedValueJson);
        });

        it('Crazy ABI #1', async () => {
            const method = new AbiEncoder.Method(AbiSamples.crazyAbi1);

            const args = [
                new BigNumber(256745454),
                new BigNumber(-256745454),
                new BigNumber(434244),
                '0x43',
                '0x0001020304050607080911121314151617181920212223242526272829303132',
                '0x0001020304050607080911121314151617181920212223242526272829303132080911121314151617181920212223242526272829303132',
                'Little peter piper piped a piping pepper pot',
                '0xe41d2489571d322189246dafa5ebde1f4699f498',
                true
            ];

            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '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';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test decoding
            const expectedDecodedValueJson = JSON.stringify(args);
            const decodedValue = method.decode(calldata);
            const decodedValueJson = JSON.stringify(decodedValue);
            expect(decodedValueJson).to.be.equal(expectedDecodedValueJson);
        });


        it('Types with default widths', async () => {
            const method = new AbiEncoder.Method(AbiSamples.typesWithDefaultWidthsAbi);
            console.log(method);
            const args = [new BigNumber(1), new BigNumber(-1), '0x56', [new BigNumber(1)], [new BigNumber(-1)], ['0x56']];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '0x09f2b0c30000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff560000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000000000000000000000000000000000000000000000000000000000015600000000000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.arrayOfStaticTuplesWithDefinedLengthAbi);

            let value = 0;
            const arrayOfTuples = [];
            for (let i = 0; i < 8; ++i) {
                arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value)]);
            }
            const args = [arrayOfTuples];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '0x9eb20969000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000700000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.arrayOfStaticTuplesWithDynamicLengthAbi);

            let value = 0;
            const arrayOfTuples = [];
            for (let i = 0; i < 8; ++i) {
                arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value)]);
            }
            const args = [arrayOfTuples];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '0x63275d6e00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000700000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.arrayOfDynamicTuplesWithDefinedLengthAbi);

            let value = 0;
            const arrayOfTuples = [];
            for (let i = 0; i < 8; ++i) {
                arrayOfTuples.push([new BigNumber(++value), (new BigNumber(++value)).toString()]);
            }
            const args = [arrayOfTuples];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '0xdeedb00f00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000280000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000003800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000048000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023136000000000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.arrayOfDynamicTuplesWithUndefinedLengthAbi);

            let value = 0;
            const arrayOfTuples = [];
            for (let i = 0; i < 8; ++i) {
                arrayOfTuples.push([new BigNumber(++value), (new BigNumber(++value)).toString()]);
            }
            const args = [arrayOfTuples];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '0x60c847fb000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000280000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000003800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000048000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023136000000000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.multiDimensionalArraysStaticTypeAbi);

            // Eight 3-dimensional arrays of uint8[2][2][2]
            let value = 0;
            const args = [];
            for (let i = 0; i < 8; ++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);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '0xc2f47d6f00000000000000000000000000000000000000000000000000000000000001e00000000000000000000000000000000000000000000000000000000000000480000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000d400000000000000000000000000000000000000000000000000000000000000e600000000000000000000000000000000000000000000000000000000000000039000000000000000000000000000000000000000000000000000000000000003a000000000000000000000000000000000000000000000000000000000000003b000000000000000000000000000000000000000000000000000000000000003c000000000000000000000000000000000000000000000000000000000000003d000000000000000000000000000000000000000000000000000000000000003e000000000000000000000000000000000000000000000000000000000000003f00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000110000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000130000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001500000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001700000000000000000000000000000000000000000000000000000000000000180000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000019000000000000000000000000000000000000000000000000000000000000001a000000000000000000000000000000000000000000000000000000000000001b000000000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001d000000000000000000000000000000000000000000000000000000000000001e000000000000000000000000000000000000000000000000000000000000001f000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000022000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000230000000000000000000000000000000000000000000000000000000000000024000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000025000000000000000000000000000000000000000000000000000000000000002600000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000027000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000029000000000000000000000000000000000000000000000000000000000000002a000000000000000000000000000000000000000000000000000000000000002b000000000000000000000000000000000000000000000000000000000000002c000000000000000000000000000000000000000000000000000000000000002d000000000000000000000000000000000000000000000000000000000000002e000000000000000000000000000000000000000000000000000000000000002f0000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000003100000000000000000000000000000000000000000000000000000000000000320000000000000000000000000000000000000000000000000000000000000033000000000000000000000000000000000000000000000000000000000000003400000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000035000000000000000000000000000000000000000000000000000000000000003600000000000000000000000000000000000000000000000000000000000000370000000000000000000000000000000000000000000000000000000000000038'; expect(calldata).to.be.equal(expectedCalldata);
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.multiDimensionalArraysDynamicTypeAbi);

            // Eight 3-dimensional arrays of string[2][2][2]
            let value = 0;
            const args = [];
            for (let i = 0; i < 4; ++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);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(method.getSignature());
            console.log(JSON.stringify(args));
            const expectedCalldata = '0x81534ebd0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000052000000000000000000000000000000000000000000000000000000000000009a00000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000026000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000013100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001330000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000135000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000013700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000026000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000013900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000231300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000002313100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000231330000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002313400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000023135000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000231360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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            expect(calldata).to.be.equal(expectedCalldata);

            // Test decoding
            const expectedDecodedValueJson = JSON.stringify(args);
            const decodedValue = method.decode(calldata);
            const decodedValueJson = JSON.stringify(decodedValue);
            expect(decodedValueJson).to.be.equal(expectedDecodedValueJson);
        });

        it('Fixed Lenfgth Array / Dynamic Members', async () => {
            const method = new AbiEncoder.Method(AbiSamples.staticArrayDynamicMembersAbi);
            const args = [["Brave", "New", "World"]];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(JSON.stringify(args));
            const expectedCalldata =
                '0x243a6e6e0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test decoding
            const expectedDecodedValueJson = JSON.stringify(args);
            const decodedValue = method.decode(calldata);
            const decodedValueJson = JSON.stringify(decodedValue);
            expect(decodedValueJson).to.be.equal(expectedDecodedValueJson);
        });

        it('Fixed Lenfgth Array / Dynamic Members', async () => {
            const method = new AbiEncoder.Method(AbiSamples.staticArrayDynamicMembersAbi);
            const args = [["Brave", "New", "World"]];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(JSON.stringify(args));
            const expectedCalldata =
                '0x243a6e6e0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.dynamicArrayDynamicMembersAbi);
            const args = [["Brave", "New", "World"]];
            const calldata = method.encode(args);
            console.log(calldata);
            console.log('*'.repeat(40));
            console.log(JSON.stringify(args));
            const expectedCalldata = '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.dynamicArrayStaticMembersAbi);
            const args = [[new BigNumber(127), new BigNumber(14), new BigNumber(54)]];
            const calldata = method.encode(args);
            const expectedCalldata = '0x4fc8a83300000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.staticArrayAbi);
            const args = [[new BigNumber(127), new BigNumber(14), new BigNumber(54)]];
            const calldata = method.encode(args);
            const expectedCalldata =
                '0xf68ade72000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test decoding
            const expectedDecodedValueJson = JSON.stringify(args);
            const decodedValue = method.decode(calldata);
            const decodedValueJson = JSON.stringify(decodedValue);
            expect(decodedValueJson).to.be.equal(expectedDecodedValueJson);
        });


        it('Simple ABI 2', async () => {
            const method = new AbiEncoder.Method(AbiSamples.simpleAbi2);

            const args = [
                '0xaf', // e (bytes1)
                '0x0001020304050607080911121314151617181920212223242526272829303132', // f (bytes32)
                '0x616161616161616161616161616161616161616161616161616161616161616161616161616161611114f324567838475647382938475677448899338457668899002020202020', // g
                'My first name is Greg and my last name is Hysen, what do ya know!', // h
            ];

            const calldata = method.encode(args);
            const expectedCalldata =
                '0x7ac2bd96af000000000000000000000000000000000000000000000000000000000000000001020304050607080911121314151617181920212223242526272829303132000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000047616161616161616161616161616161616161616161616161616161616161616161616161616161611114f3245678384756473829384756774488993384576688990020202020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000414d79206669727374206e616d65206973204772656720616e64206d79206c617374206e616d6520697320487973656e2c207768617420646f207961206b6e6f772100000000000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            const method = new AbiEncoder.Method(AbiSamples.stringAbi);
            console.log(method);
            const args = [['five', 'six', 'seven']];
            const calldata = method.encode(args);
            console.log(method.getSignature());
            console.log(method.selector);

            console.log(calldata);
            const expectedCalldata =
                '0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000373697800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005736576656e000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            // 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);
            console.log(method.getSignature());
            console.log(method.selector);

            console.log(calldata);
            const expectedCalldata = '0xa9125e150000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            // 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);
            console.log(method.getSignature());
            console.log(method.selector);

            console.log(calldata);
            const expectedCalldata =
                '0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);

            // Test 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 () => {
            // This is dynamic because it has dynamic members
            const method = new AbiEncoder.Method(AbiSamples.dynamicTupleAbi);
            const calldata = method.encode([{ someUint: new BigNumber(5), someStr: 'five' }]);
            console.log(method.getSignature());
            console.log(method.selector);

            console.log(calldata);
            const expectedCalldata =
                '0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000';
            expect(calldata).to.be.equal(expectedCalldata);
        });

        it.skip('Nested Tuples', async () => {
            // Couldn't get nested tuples to work with Remix
            // This is dynamic because it has dynamic members
            const method = new AbiEncoder.Method(AbiSamples.nestedTuples);
            const firstTuple = {
                someUint32: new BigNumber(30472),
                nestedTuple: {
                    someUint: new BigNumber('48384725243211555532'),
                    someAddress: '0xe41d2489571d322189246dafa5ebde1f4699f498'
                }
            };
            const secondTuple = {
                someUint: new BigNumber(2984237422),
                someStr: 'This string will exceed 256 bits, so it will spill into the next word of memory.',
                nestedTuple: {
                    someUint32: new BigNumber(23),
                    secondNestedTuple: {
                        someUint: new BigNumber(234324),
                        someStr: 'Im also a short string -- oops I just got loooooooooooooooooonger!',
                        someBytes: '0x23847287fff3472984723498ff23487324987aaa237438911873429472ba',
                        someAddress: '0xe41d2489571d322189246dafa5ebde1f4699f498'
                    }
                },
                someBytes: '0x2834y3947289423u489aaaff4783924739847489',
                someAddress: '0xe41d2489571d322189246dafa5ebde1f4699afaf',
            };
            const thirdTuple = {
                'someUint': new BigNumber(37422),
                'someStr': 'This into the next word of memory. string will exceed 256 bits, so it will spill.',
                'nestedTuple': {
                    someUint32: new BigNumber(23999222),
                    'secondNestedTuple': {
                        'someUint': new BigNumber(324),
                        'someStr': 'Im also a short st',
                        'someBytes': '0x723498ff2348732498723847287fff3472984aaa237438911873429472ba',
                        'someAddress': '0x46dafa5ebde1f4699f498e41d2489571d3221892'
                    }
                },
                'someBytes': '0x947289423u489aaaff472834y383924739847489',
                'someAddress': '0x46dafa5ebde1f46e41d2489571d322189299afaf',
            };
            const fourthTuple = {
                'someUint': new BigNumber(222283488822),
                'someStr': 'exceed 256 bits, so it will spill into the. This string will next word of memory.',
                'nestedTuple': {
                    someUint32: new BigNumber(2300),
                    'secondNestedTuple': {
                        'someUint': new BigNumber(343224),
                        'someStr': 'The alphabet backwards is arguably easier to say if thats the way you learned the first time.',
                        'someBytes': '0x87324987aaa23743891187323847287fff3472984723498ff234429472ba',
                        'someAddress': '0x71d322189246dafa5ebe41d24895de1f4699f498'
                    }
                },
                'someBytes': '0x2783924739847488343947289423u489aaaff490',
                'someAddress': '0xebde1d322189246dafa1f4699afafe41d2489575',
            };
            const args = [
                [firstTuple],
                [secondTuple, thirdTuple, fourthTuple]
            ];

            console.log('*'.repeat(250), method, '*'.repeat(250));


            const calldata = method.encode(args);
            console.log(method.getSignature());
            console.log(method.selector);
            console.log(JSON.stringify(args));

            console.log(calldata);
            const expectedCalldata = '0x';
            expect(calldata).to.be.equal(expectedCalldata);
        });

        it.skip('Object ABI (Object input - Missing Key)', async () => {
            const method = new AbiEncoder.Method(AbiSamples.dynamicTupleAbi);
            const calldata = method.encode([{ someUint: new BigNumber(5) }]);
            console.log(method.getSignature());
            console.log(method.selector);

            console.log(calldata);
            const expectedCalldata =
                '0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000';

            // @TODO: Figure out how to catch throw
            expect(calldata).to.be.equal(expectedCalldata);
        });

        it.skip('Object ABI (Object input - Too Many Keys)', async () => {
            const method = new AbiEncoder.Method(AbiSamples.dynamicTupleAbi);
            const calldata = method.encode([{ someUint: new BigNumber(5), someStr: 'five', unwantedKey: 14 }]);
            console.log(method.getSignature());
            console.log(method.selector);

            console.log(calldata);
            const expectedCalldata =
                '0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000';

            // @TODO: Figure out how to catch throw
            expect(calldata).to.be.equal(expectedCalldata);
        });
    });

    describe.only('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);
        });

        // @TODO: Add test that fails if we pass in the wrong number of elements
        // @TODO: Add test that fails if we pass in an element of incorrecrt type
    });

    describe.only('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 = { structsAsObjects: true } as DecodingRules;
            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 = { structsAsObjects: true } as DecodingRules;
            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 = { structsAsObjects: true } as DecodingRules;
            const decodedArgs = dataType.decode(encodedArgs, decodingRules);
            const decodedArgsAsJson = JSON.stringify(decodedArgs);
            const argsAsJson = JSON.stringify(args);
            expect(decodedArgsAsJson).to.be.equal(argsAsJson);
        });

        // @TODO: Add test that fails if we pass in the wrong number of elements
        // @TODO: Add test that fails if we pass in arguments in wrong order
    });

    describe.only('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.only('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.only('Integer', () => {
        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 max256BitInteger = (new BigNumber(2)).pow(255).minus(1);
            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 min256BitInteger = (new BigNumber(2)).pow(255).times(-1);
            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 max256BitInteger = (new BigNumber(2)).pow(255).minus(1);
            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 min256BitInteger = (new BigNumber(2)).pow(255).times(-1);
            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 max32BitInteger = (new BigNumber(2)).pow(31).minus(1);
            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 min32BitInteger = (new BigNumber(2)).pow(31).times(-1);
            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 max32BitInteger = (new BigNumber(2)).pow(31).minus(1);
            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 min32BitInteger = (new BigNumber(2)).pow(31).times(-1);
            const args = min32BitInteger.minus(1);
            // Encode Args and validate result
            expect(() => { dataType.encode(args) }).to.throw();
        });
    });

    describe.only('Unsigned Integer', () => {
        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 max256BitUnsignedInteger = (new BigNumber(2)).pow(256).minus(1);
            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 min256BitUnsignedInteger = new BigNumber(0);
            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 max256BitUnsignedInteger = (new BigNumber(2)).pow(256).minus(1);
            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 min256BitUnsignedInteger = new BigNumber(0)
            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 max32BitUnsignedInteger = (new BigNumber(2)).pow(32).minus(1);
            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 min32BitUnsignedInteger = new BigNumber(0);
            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 max32BitUnsignedInteger = (new BigNumber(2)).pow(32).minus(1);
            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 min32BitUnsignedInteger = new BigNumber(0);
            const args = min32BitUnsignedInteger.minus(1);
            // Encode Args and validate result
            expect(() => { dataType.encode(args) }).to.throw();
        });
    });

    describe.only('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.only('Dynamic Bytes Dynamic', () => {
        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 args = '0x' + '61'.repeat(40);
            // 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.only('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 args = 'a'.repeat(40);
            // 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 args = '0x' + 'a'.repeat(40);
            // 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);
        });
    });
});