import * as chai from 'chai';
import 'mocha';
import { AbiEncoder, BigNumber } from '../../src/';
import { chaiSetup } from '../utils/chai_setup';
import * as AbiSamples from './abi_samples/method_abis';
chaiSetup.configure();
const expect = chai.expect;
describe('ABI Encoder: Method Encoding / Decoding', () => {
const encodingRules: AbiEncoder.EncodingRules = { shouldOptimize: false }; // optimizer is tested separately.
it('Types with default widths', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.typesWithDefaultWidthsAbi);
const args = [new BigNumber(1), new BigNumber(-1), '0x56', [new BigNumber(1)], [new BigNumber(-1)], ['0x56']];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x09f2b0c30000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff560000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000000000000000000000000000000000000000000000000000000000015600000000000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Array of Static Tuples (Array has defined length)', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.arrayOfStaticTuplesWithDefinedLengthAbi);
let value = 0;
const arrayOfTuples = [];
const arrayOfTuplesLength = 8;
for (let i = 0; i < arrayOfTuplesLength; ++i) {
arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value)]);
}
const args = [arrayOfTuples];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x9eb20969000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000700000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Array of Static Tuples (Array has dynamic length)', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.arrayOfStaticTuplesWithDynamicLengthAbi);
let value = 0;
const arrayOfTuples = [];
const arrayOfTuplesLength = 8;
for (let i = 0; i < arrayOfTuplesLength; ++i) {
arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value)]);
}
const args = [arrayOfTuples];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x63275d6e00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000700000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Array of Dynamic Tuples (Array has defined length)', async () => {
// Generate Calldata
const method = new AbiEncoder.Method(AbiSamples.arrayOfDynamicTuplesWithDefinedLengthAbi);
let value = 0;
const arrayOfTuples = [];
const arrayOfTuplesLength = 8;
for (let i = 0; i < arrayOfTuplesLength; ++i) {
arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value).toString()]);
}
const args = [arrayOfTuples];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0xdeedb00f00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000280000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000003800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000048000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023136000000000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Array of Dynamic Tuples (Array has dynamic length)', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.arrayOfDynamicTuplesWithUndefinedLengthAbi);
let value = 0;
const arrayOfTuples = [];
const arrayOfTuplesLength = 8;
for (let i = 0; i < arrayOfTuplesLength; ++i) {
arrayOfTuples.push([new BigNumber(++value), new BigNumber(++value).toString()]);
}
const args = [arrayOfTuples];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x60c847fb000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000280000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000003800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000048000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023134000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000023136000000000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Multidimensional Arrays / Static Members', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.multiDimensionalArraysStaticTypeAbi);
// Eight 3-dimensional arrays of uint8[2][2][2]
let value = 0;
const args = [];
const argsLength = 8;
for (let i = 0; i < argsLength; ++i) {
args.push([
[[new BigNumber(++value), new BigNumber(++value)], [new BigNumber(++value), new BigNumber(++value)]],
[[new BigNumber(++value), new BigNumber(++value)], [new BigNumber(++value), new BigNumber(++value)]],
]);
}
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0xc2f47d6f00000000000000000000000000000000000000000000000000000000000001e00000000000000000000000000000000000000000000000000000000000000480000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000009600000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000d400000000000000000000000000000000000000000000000000000000000000e600000000000000000000000000000000000000000000000000000000000000039000000000000000000000000000000000000000000000000000000000000003a000000000000000000000000000000000000000000000000000000000000003b000000000000000000000000000000000000000000000000000000000000003c000000000000000000000000000000000000000000000000000000000000003d000000000000000000000000000000000000000000000000000000000000003e000000000000000000000000000000000000000000000000000000000000003f00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000070000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001600000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000009000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000110000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000130000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000150000000000000000000000000000000000000000000000000000000000000016000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000170000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000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expect(calldata).to.be.equal(expectedCalldata);
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Multidimensional Arrays / Dynamic Members', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.multiDimensionalArraysDynamicTypeAbi);
// Eight 3-dimensional arrays of string[2][2][2]
let value = 0;
const args = [];
const argsLength = 4;
for (let i = 0; i < argsLength; ++i) {
args.push([
[
[new BigNumber(++value).toString(), new BigNumber(++value).toString()],
[new BigNumber(++value).toString(), new BigNumber(++value).toString()],
],
[
[new BigNumber(++value).toString(), new BigNumber(++value).toString()],
[new BigNumber(++value).toString(), new BigNumber(++value).toString()],
],
]);
}
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x81534ebd0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000052000000000000000000000000000000000000000000000000000000000000009a00000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000026000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000013100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001330000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000135000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000013700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000026000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000013900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000231300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000002313100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000023132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000231330000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002313400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000023135000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000231360000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Fixed Length Array / Dynamic Members', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.staticArrayDynamicMembersAbi);
const args = [['Brave', 'New', 'World']];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x243a6e6e0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Fixed Length Array / Dynamic Members', async () => {
// Generaet calldata
const method = new AbiEncoder.Method(AbiSamples.staticArrayDynamicMembersAbi);
const args = [['Brave', 'New', 'World']];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x243a6e6e0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Unfixed Length Array / Dynamic Members ABI', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.dynamicArrayDynamicMembersAbi);
const args = [['Brave', 'New', 'World']];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000005427261766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034e657700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005576f726c64000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Unfixed Length Array / Static Members ABI', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.dynamicArrayStaticMembersAbi);
const args = [[new BigNumber(127), new BigNumber(14), new BigNumber(54)]];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x4fc8a83300000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Fixed Length Array / Static Members ABI', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.staticArrayAbi);
const args = [[new BigNumber(127), new BigNumber(14), new BigNumber(54)]];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0xf68ade72000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Array ABI', async () => {
// Generate calldata
const method = new AbiEncoder.Method(AbiSamples.stringAbi);
const args = [['five', 'six', 'seven']];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x13e751a900000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000373697800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005736576656e000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Static Tuple', async () => {
// Generate calldata
// This is dynamic because it has dynamic members
const method = new AbiEncoder.Method(AbiSamples.staticTupleAbi);
const args = [[new BigNumber(5), new BigNumber(10), new BigNumber(15), false]];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0xa9125e150000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000f0000000000000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Dynamic Tuple (Array input)', async () => {
// Generate calldata
// This is dynamic because it has dynamic members
const method = new AbiEncoder.Method(AbiSamples.dynamicTupleAbi);
const args = [[new BigNumber(5), 'five']];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Dynamic Tuple (Object input)', async () => {
// Generate Calldata
// This is dynamic because it has dynamic members
const method = new AbiEncoder.Method(AbiSamples.dynamicTupleAbi);
const args = [[new BigNumber(5), 'five']];
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x5b998f3500000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000046669766500000000000000000000000000000000000000000000000000000000';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Large, Flat ABI', async () => {
// Construct calldata
const method = new AbiEncoder.Method(AbiSamples.largeFlatAbi);
const args = [
new BigNumber(256745454),
new BigNumber(-256745454),
new BigNumber(434244),
'0x43',
'0x0001020304050607080911121314151617181920212223242526272829303132',
'0x0001020304050607080911121314151617181920212223242526272829303132080911121314151617181920212223242526272829303132',
'Little peter piper piped a piping pepper pot',
'0xe41d2489571d322189246dafa5ebde1f4699f498',
true,
];
// Validate calldata
const calldata = method.encode(args, encodingRules);
const expectedCalldata =
'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';
expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata);
expect(decodedValue).to.be.deep.equal(args);
});
it('Large, Nested ABI', async () => {
// Construct Calldata
const method = new AbiEncoder.Method(AbiSamples.largeNestedAbi);
const someStaticArray = [new BigNumber(127), new BigNumber(14), new BigNumber(54)];
const someStaticArrayWithDynamicMembers = [
'the little piping piper piped a piping pipper papper',
'the kid knows how to write poems, what can I say -- I guess theres a lot I could say to try to fill this line with a lot of text.',
];
const someDynamicArrayWithDynamicMembers = [
'0x38745637834987324827439287423897238947239847',
'0x7283472398237423984723984729847248927498748974284728947239487498749847874329423743492347329847239842374892374892374892347238947289478947489374289472894738942749823743298742389472389473289472389437249823749823742893472398',
'0x283473298473248923749238742398742398472894729843278942374982374892374892743982',
];
const some2DArray = [
[
'some string',
'some another string',
'there are just too many stringsup in',
'here',
'yall ghonna make me lose my mind',
],
[
'the little piping piper piped a piping pipper papper',
'the kid knows how to write poems, what can I say -- I guess theres a lot I could say to try to fill this line with a lot of text.',
],
[],
];
const someTuple = {
someUint32: new BigNumber(4037824789),
someStr:
'the kid knows how to write poems, what can I say -- I guess theres a lot I could say to try to fill this line with a lot of text.',
};
const someTupleWithDynamicTypes = {
someUint: new BigNumber(4024789),
someStr: 'akdhjasjkdhasjkldshdjahdkjsahdajksdhsajkdhsajkdhadjkashdjksadhajkdhsajkdhsadjk',
someBytes: '0x29384723894723843743289742389472398473289472348927489274894738427428947389facdea',
someAddress: '0xe41d2489571d322189246dafa5ebde1f4699f498',
};
const someTupleWithDynamicTypes2 = {
someUint: new BigNumber(9024789),
someStr: 'ksdhsajkdhsajkdhadjkashdjksadhajkdhsajkdhsadjkakdhjasjkdhasjkldshdjahdkjsahdaj',
someBytes: '0x29384723894398473289472348927489272384374328974238947274894738427428947389facde1',
someAddress: '0x746dafa5ebde1f4699f4981d3221892e41d24895',
};
const someTupleWithDynamicTypes3 = {
someUint: new BigNumber(1024789),
someStr: 'sdhsajkdhsajkdhadjkashdjakdhjasjkdhasjkldshdjahdkjsahdajkksadhajkdhsajkdhsadjk',
someBytes: '0x38947238437432829384729742389472398473289472348927489274894738427428947389facdef',
someAddress: '0x89571d322189e415ebde1f4699f498d24246dafa',
};
const someArrayOfTuplesWithDynamicTypes = [someTupleWithDynamicTypes2, someTupleWithDynamicTypes3];
const args = {
someStaticArray,
someStaticArrayWithDynamicMembers,
someDynamicArrayWithDynamicMembers,
some2DArray,
someTuple,
someTupleWithDynamicTypes,
someArrayOfTuplesWithDynamicTypes,
};
const calldata = method.encode(args, encodingRules);
// Validate calldata
const expectedCalldata =
'0x4b49031c000000000000000000000000000000000000000000000000000000000000007f000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000036000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000440000000000000000000000000000000000000000000000000000000000000088000000000000000000000000000000000000000000000000000000000000009800000000000000000000000000000000000000000000000000000000000000ae0000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000000163874563783498732482743928742389723894723984700000000000000000000000000000000000000000000000000000000000000000000000000000000006e72834723982374239847239847298472489274987489742847289472394874987498478743294237434923473298472398423748923748923748923472389472894789474893742894728947389427498237432987423894723894732894723894372498237498237428934723980000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000027283473298473248923749238742398742398472894729843278942374982374892374892743982000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000500000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000000b736f6d6520737472696e670000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013736f6d6520616e6f7468657220737472696e67000000000000000000000000000000000000000000000000000000000000000000000000000000000000000024746865726520617265206a75737420746f6f206d616e7920737472696e6773757020696e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000046865726500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002079616c6c2067686f6e6e61206d616b65206d65206c6f7365206d79206d696e640000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000034746865206c6974746c6520706970696e67207069706572207069706564206120706970696e6720706970706572207061707065720000000000000000000000000000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ac511500000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000081746865206b6964206b6e6f777320686f7720746f20777269746520706f656d732c20776861742063616e204920736179202d2d2049206775657373207468657265732061206c6f74204920636f756c642073617920746f2074727920746f2066696c6c2074686973206c696e6520776974682061206c6f74206f6620746578742e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003d69d50000000000000000000000000000000000000000000000000000000000000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expect(calldata).to.be.equal(expectedCalldata);
// Validate decoding
const decodedValue = method.decode(calldata, { shouldConvertStructsToObjects: true });
expect(decodedValue).to.be.deep.equal(args);
});
});
