'use strict';
import assert from 'assert';
import { ethers } from "ethers";
import { loadTests } from "@ethersproject/testcases";
import * as utils from './utils';
function equals(a, b) {
    if (Array.isArray(a)) {
        if (!Array.isArray(b) || a.length !== b.length) {
            return false;
        }
        for (let i = 0; i < a.length; i++) {
            if (!equals(a[i], b[i])) {
                return false;
            }
        }
        return true;
    }
    return a === b;
}
describe('Test Contract Address Generation', function () {
    // @TODO: Mine a large collection of these from the blockchain
    let getContractAddress = ethers.utils.getContractAddress;
    let Tests = [
        // Transaction: 0x939aa17985bc2a52a0c1cba9497ef09e092355a805a8150e30e24b753bac6864
        {
            address: '0x3474627D4F63A678266BC17171D87f8570936622',
            name: 'tx-0x939aa179 (number)',
            tx: {
                from: '0xb2682160c482eb985ec9f3e364eec0a904c44c23',
                nonce: 10,
            }
        },
        {
            address: '0x3474627D4F63A678266BC17171D87f8570936622',
            name: 'tx-0x939aa179 (odd-zero-hex)',
            tx: {
                from: '0xb2682160c482eb985ec9f3e364eec0a904c44c23',
                nonce: "0xa",
            }
        },
        {
            address: '0x3474627D4F63A678266BC17171D87f8570936622',
            name: 'tx-0x939aa179 (even-zero-hex)',
            tx: {
                from: '0xb2682160c482eb985ec9f3e364eec0a904c44c23',
                nonce: "0x0a",
            }
        },
        // Ropsten: https://etherscan.io/tx/0x78d17f8ab31fb6ad688340634a9a29d8726feb6d588338a9b9b21a44159bc916
        {
            address: '0x271300790813f82638A8A6A8a86d65df6dF33c17',
            name: 'tx-0x78d17f8a (odd-long-hex)',
            tx: {
                from: '0x8ba1f109551bd432803012645ac136ddd64dba72',
                nonce: "0x200",
            }
        },
        {
            address: '0x271300790813f82638A8A6A8a86d65df6dF33c17',
            name: 'tx-0x78d17f8a (even-long-hex)',
            tx: {
                from: '0x8ba1f109551bd432803012645ac136ddd64dba72',
                nonce: "0x0200",
            }
        },
        // https://ropsten.etherscan.io/tx/0x444ea8ae9890ac0ee5fd249512726abf9d23f44a378d5f45f727b65dc1b899c2
        {
            address: '0x995C25706C407a1F1E84b3777775e3e619764933',
            name: 'tx-0x444ea8ae (even-long-hex)',
            tx: {
                from: '0x8ba1f109551bd432803012645ac136ddd64dba72',
                nonce: "0x1d",
            }
        },
        {
            address: '0x995C25706C407a1F1E84b3777775e3e619764933',
            name: 'tx-0x444ea8ae (padded-long-hex)',
            tx: {
                from: '0x8ba1f109551bd432803012645ac136ddd64dba72',
                nonce: "0x001d",
            }
        },
        {
            address: '0x995C25706C407a1F1E84b3777775e3e619764933',
            name: 'tx-0x444ea8ae (number)',
            tx: {
                from: '0x8ba1f109551bd432803012645ac136ddd64dba72',
                nonce: 29,
            }
        },
        // Ropsten: 0x5bdfd14fcc917abc2f02a30721d152a6f147f09e8cbaad4e0d5405d646c5c3e1
        {
            address: '0x0CcCC7507aEDf9FEaF8C8D731421746e16b4d39D',
            name: 'zero-nonce',
            tx: {
                from: '0xc6af6e1a78a6752c7f8cd63877eb789a2adb776c',
                nonce: 0
            }
        },
    ];
    Tests.forEach(function (test) {
        it(('Computes the transaction address - ' + test.name), function () {
            this.timeout(120000);
            assert.equal(getContractAddress(test.tx), test.address, 'computes the transaction address');
        });
    });
});
describe('Test RLP Coder', function () {
    const tests = loadTests('rlp-coder');
    tests.forEach(function (test) {
        it(('RLP coder encoded - ' + test.name), function () {
            this.timeout(120000);
            assert.equal(ethers.utils.RLP.encode(test.decoded), test.encoded, 'RLP encoded - ' + test.name);
        });
    });
    tests.forEach((test) => {
        it(('RLP coder decoded - ' + test.name), function () {
            this.timeout(120000);
            assert.ok(equals(ethers.utils.RLP.decode(test.encoded), test.decoded), 'RLP decoded - ' + test.name);
        });
    });
});
describe('Test Unit Conversion', function () {
    const tests = loadTests('units');
    tests.forEach((test) => {
        let wei = ethers.BigNumber.from(test.wei);
        it(('parses ' + test.ether + ' ether'), function () {
            assert.ok(ethers.utils.parseEther(test.ether.replace(/,/g, '')).eq(wei), 'parsing ether failed - ' + test.name);
        });
        it(('formats ' + wei.toString() + ' wei to ether'), function () {
            let actual = ethers.utils.formatEther(wei);
            assert.equal(actual, test.ether_format, 'formatting wei failed - ' + test.name);
        });
    });
    tests.forEach((test) => {
        let wei = ethers.BigNumber.from(test.wei);
        ['kwei', 'mwei', 'gwei', 'szabo', 'finney', 'satoshi'].forEach((name) => {
            let unitName = name;
            if (name === 'satoshi') {
                unitName = 8;
            }
            if (test[name]) {
                it(('parses ' + test[name] + ' ' + name), function () {
                    this.timeout(120000);
                    assert.ok(ethers.utils.parseUnits(test[name].replace(/,/g, ''), unitName).eq(wei), ('parsing ' + name + ' failed - ' + test.name));
                });
            }
            let expectedKey = (name + '_format');
            if (test[expectedKey]) {
                it(('formats ' + wei.toString() + ' wei to ' + name + ')'), function () {
                    let actual = ethers.utils.formatUnits(wei, unitName);
                    let expected = test[expectedKey];
                    assert.equal(actual, expected, ('formats ' + name + ' - ' + test.name));
                });
            }
        });
    });
    it("formats with commify", function () {
        const tests = {
            "0.0": "0.0",
            ".0": "0.0",
            "0.": "0.0",
            "00.00": "0.0",
            "100.000": "100.0",
            "100.0000": "100.0",
            "1000.000": "1,000.0",
            "1000.0000": "1,000.0",
            "100.123": "100.123",
            "100.1234": "100.1234",
            "1000.1234": "1,000.1234",
            "1000.12345": "1,000.12345",
            "998998998998.123456789": "998,998,998,998.123456789",
        };
        Object.keys(tests).forEach((test) => {
            assert.equal(ethers.utils.commify(test), tests[test]);
        });
    });
});
describe('Test Namehash', function () {
    const tests = loadTests('namehash');
    tests.forEach((test) => {
        it(('computes namehash - "' + test.name + '"'), function () {
            this.timeout(120000);
            assert.equal(ethers.utils.namehash(test.name), test.expected, 'computes namehash(' + test.name + ')');
        });
    });
    it("isValidName", function () {
        assert.ok(ethers.utils.isValidName("ricmoo.eth"));
        assert.ok(!ethers.utils.isValidName(""));
        assert.ok(!ethers.utils.isValidName("ricmoo..eth"));
    });
});
describe('Test ID Hash Functions', function () {
    const tests = [
        {
            name: 'setAddr signature hash',
            text: 'setAddr(bytes32,address)',
            expected: '0xd5fa2b00b0756613052388dd576d941ba16904757996b8bb03a737ef4fd1f9ce'
        }
    ];
    tests.forEach((test) => {
        it(('computes id - ' + test.name), function () {
            this.timeout(120000);
            let actual = ethers.utils.id(test.text);
            assert.equal(actual, test.expected, 'computes id(' + test.text + ')');
        });
    });
});
describe('Test Solidity Hash Functions', function () {
    const tests = loadTests('solidity-hashes');
    function test(funcName, testKey) {
        it(`computes ${funcName} correctly`, function () {
            this.timeout(120000);
            tests.forEach((test, index) => {
                let actual = (ethers.utils)['solidity' + funcName](test.types, test.values);
                let expected = test[testKey];
                assert.equal(actual, expected, ('computes solidity-' + funcName + '(' + JSON.stringify(test.values) + ') - ' + test.types));
            });
        });
    }
    test('Keccak256', 'keccak256');
    test('Sha256', 'sha256');
    const testsInvalid = [
        "uint0",
        "uint1",
        "uint08",
        "uint266",
        "bytes0",
        "bytes02",
        "bytes33",
        "purple" // invalid type
    ];
    testsInvalid.forEach((type) => {
        it(`disallows invalid type "${type}"`, function () {
            assert.throws(() => {
                ethers.utils.solidityPack([type], ["0x12"]);
            }, (error) => {
                const message = error.message;
                return (message.match(/invalid([a-z ]*) type/) && message.indexOf(type) >= 0);
            });
        });
    });
});
describe('Test Hash Functions', function () {
    const tests = loadTests('hashes');
    it('computes keccak256 correctly', function () {
        this.timeout(120000);
        tests.forEach(function (test) {
            assert.equal(ethers.utils.keccak256(test.data), test.keccak256, ('Keccak256 - ' + test.data));
        });
    });
    it('computes sha2-256 correctly', function () {
        this.timeout(120000);
        tests.forEach(function (test) {
            assert.equal(ethers.utils.sha256(test.data), test.sha256, ('SHA256 - ' + test.data));
        });
    });
    it('computes sha2-512 correctly', function () {
        this.timeout(120000);
        tests.forEach(function (test) {
            assert.equal(ethers.utils.sha512(test.data), test.sha512, ('SHA512 - ' + test.data));
        });
    });
});
describe('Test Solidity splitSignature', function () {
    it('splits a canonical signature', function () {
        this.timeout(120000);
        let r = '0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef';
        let s = '0xcafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7e';
        for (let v = 27; v <= 28; v++) {
            let signature = ethers.utils.concat([r, s, [v]]);
            let sig = ethers.utils.splitSignature(signature);
            assert.equal(sig.r, r, 'split r correctly');
            assert.equal(sig.s, s, 'split s correctly');
            assert.equal(sig.v, v, 'split v correctly');
        }
    });
    it('splits a legacy signature', function () {
        this.timeout(120000);
        let r = '0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef';
        let s = '0xcafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7e';
        for (let v = 27; v <= 28; v++) {
            let signature = ethers.utils.concat([r, s, [v - 27]]);
            let sig = ethers.utils.splitSignature(signature);
            assert.equal(sig.r, r, 'split r correctly');
            assert.equal(sig.s, s, 'split s correctly');
            assert.equal(sig.v, v, 'split v correctly');
        }
    });
});
describe('Test Base64 coder', function () {
    // https://en.wikipedia.org/wiki/Base64#Examples
    it('encodes and decodes the example from wikipedia', function () {
        this.timeout(120000);
        let decodedText = 'Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.';
        let decoded = ethers.utils.toUtf8Bytes(decodedText);
        let encoded = 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=';
        assert.equal(ethers.utils.base64.encode(decoded), encoded, 'encodes to base64 string');
        assert.equal(ethers.utils.toUtf8String(ethers.utils.base64.decode(encoded)), decodedText, 'decodes from base64 string');
    });
});
describe('Test UTF-8 coder', function () {
    const overlong = ethers.utils.Utf8ErrorReason.OVERLONG;
    const utf16Surrogate = ethers.utils.Utf8ErrorReason.UTF16_SURROGATE;
    const overrun = ethers.utils.Utf8ErrorReason.OVERRUN;
    const missingContinue = ethers.utils.Utf8ErrorReason.MISSING_CONTINUE;
    const unexpectedContinue = ethers.utils.Utf8ErrorReason.UNEXPECTED_CONTINUE;
    const outOfRange = ethers.utils.Utf8ErrorReason.OUT_OF_RANGE;
    let BadUTF = [
        // See: https://en.wikipedia.org/wiki/UTF-8#Overlong_encodings
        { bytes: [0xF0, 0x82, 0x82, 0xAC], reason: overlong, ignored: "", replaced: "\u20ac", name: 'wikipedia overlong encoded Euro sign' },
        { bytes: [0xc0, 0x80], reason: overlong, ignored: "", replaced: "\u0000", name: '2-byte overlong - 0xc080' },
        { bytes: [0xc0, 0xbf], reason: overlong, ignored: "", replaced: "?", name: '2-byte overlong - 0xc0bf' },
        { bytes: [0xc1, 0x80], reason: overlong, ignored: "", replaced: "@", name: '2-byte overlong - 0xc180' },
        { bytes: [0xc1, 0xbf], reason: overlong, ignored: "", replaced: "\u007f", name: '2-byte overlong - 0xc1bf' },
        // Reserved UTF-16 Surrogate halves
        { bytes: [0xed, 0xa0, 0x80], reason: utf16Surrogate, ignored: "", replaced: "\ufffd", name: 'utf-16 surrogate - U+d800' },
        { bytes: [0xed, 0xbf, 0xbf], reason: utf16Surrogate, ignored: "", replaced: "\ufffd", name: 'utf-16 surrogate - U+dfff' },
        // a leading byte not followed by enough continuation bytes
        { bytes: [0xdf], reason: overrun, ignored: "", replaced: "\ufffd", name: 'too short - 2-bytes - 0x00' },
        { bytes: [0xe0], reason: overrun, ignored: "", replaced: "\ufffd", name: 'too short - 3-bytes' },
        { bytes: [0xe0, 0x80], reason: overrun, ignored: "", replaced: "\ufffd", name: 'too short - 3-bytes with 1' },
        { bytes: [0x80], reason: unexpectedContinue, ignored: "", replaced: "\ufffd", name: 'unexpected continuation byte' },
        { bytes: [0xc2, 0x00], reason: missingContinue, ignored: "\u0000", replaced: "\ufffd\u0000", name: 'invalid continuation byte - 0xc200' },
        { bytes: [0xc2, 0x40], reason: missingContinue, ignored: "@", replaced: "\ufffd@", name: 'invalid continuation byte - 0xc240' },
        { bytes: [0xc2, 0xc0], reason: missingContinue, ignored: "", replaced: "\ufffd\ufffd", name: 'invalid continuation byte - 0xc2c0' },
        // Out of range
        { bytes: [0xf4, 0x90, 0x80, 0x80], reason: outOfRange, ignored: "", replaced: "\ufffd", name: 'out of range' },
    ];
    BadUTF.forEach(function (test) {
        it('toUtf8String - ' + test.name, function () {
            // Check the string using the ignoreErrors conversion
            const ignored = ethers.utils.toUtf8String(test.bytes, ethers.utils.Utf8ErrorFuncs.ignore);
            assert.equal(ignored, test.ignored, "ignoring errors matches");
            // Check the string using the replaceErrors conversion
            const replaced = ethers.utils.toUtf8String(test.bytes, ethers.utils.Utf8ErrorFuncs.replace);
            assert.equal(replaced, test.replaced, "replaced errors matches");
            // Check the string throws the correct error during conversion
            assert.throws(function () {
                let result = ethers.utils.toUtf8String(test.bytes);
                console.log('Result', result);
            }, function (error) {
                return (error.message.split(";").pop().split("(")[0].trim() === test.reason);
            }, test.name);
        });
    });
    it('toUtf8String - random conversions', function () {
        this.timeout(200000);
        function randomChar(seed) {
            switch (utils.randomNumber(seed + '-range', 0, 4)) {
                case 0:
                    return String.fromCharCode(utils.randomNumber(seed + '-value', 0, 0x100));
                case 1:
                    return String.fromCharCode(utils.randomNumber(seed + '-value', 0, 0xd800));
                case 2:
                    return String.fromCharCode(utils.randomNumber(seed + '-value', 0xdfff + 1, 0xffff));
                case 3:
                    let left = utils.randomNumber(seed + '-value', 0xd800, 0xdbff + 1);
                    let right = utils.randomNumber(seed + '-value', 0xdc00, 0xdfff + 1);
                    return String.fromCharCode(left, right);
            }
            throw new Error('this should not happen');
        }
        function randomString(seed) {
            let length = utils.randomNumber(seed + '-length', 1, 5);
            let str = '';
            for (let i = 0; i < length; i++) {
                str += randomChar(seed + '-char-' + i);
            }
            return str;
        }
        for (let i = 0; i < 100000; i++) {
            let seed = 'test-' + String(i);
            let str = randomString(seed);
            let bytes = ethers.utils.toUtf8Bytes(str);
            let str2 = ethers.utils.toUtf8String(bytes);
            let escaped = JSON.parse(ethers.utils._toEscapedUtf8String(bytes));
            assert.ok(Buffer.from(str).equals(Buffer.from(bytes)), 'bytes not generated correctly - ' + bytes);
            assert.equal(str2, str, 'conversion not reflexive - ' + bytes);
            assert.equal(escaped, str, 'conversion not reflexive - ' + bytes);
        }
    });
});
describe('Test Bytes32String coder', function () {
    // @TODO: a LOT more test cases; generated from Solidity
    it("encodes an ens name", function () {
        let str = "ricmoo.firefly.eth";
        let bytes32 = ethers.utils.formatBytes32String(str);
        let str2 = ethers.utils.parseBytes32String(bytes32);
        assert.equal(bytes32, '0x7269636d6f6f2e66697265666c792e6574680000000000000000000000000000', 'formatted correctly');
        assert.equal(str2, str, "parsed correctly");
    });
});
function getHex(value) {
    return "0x" + Buffer.from(value).toString("hex");
}
describe("Test nameprep", function () {
    const Tests = loadTests("nameprep");
    Tests.forEach((test) => {
        // No RTL support yet... These will always fail
        if ([
            "Surrogate code U+DF42",
            "Left-to-right mark U+200E",
            "Deprecated U+202A",
            "Language tagging character U+E0001",
            "Bidi: RandALCat character U+05BE and LCat characters",
            "Bidi: RandALCat character U+FD50 and LCat characters",
            "Bidi: RandALCat without trailing RandALCat U+0627 U+0031"
        ].indexOf(test.comment) >= 0) {
            return;
        }
        it(test.comment, function () {
            let input = ethers.utils.toUtf8String(test.input);
            if (test.output) {
                let expected = ethers.utils.toUtf8String(test.output);
                let actual = ethers.utils.nameprep(input);
                assert.equal(actual, expected, `actual("${getHex(actual)}") !== expected("${getHex(expected)}")`);
            }
            else {
                let ok = true;
                let reason = "";
                try {
                    let actual = ethers.utils.nameprep(input);
                    console.log(actual);
                    reason = `should has thrown ${test.rc} - actual("${getHex(actual)}")`;
                    ok = false;
                }
                catch (error) {
                }
                assert.ok(ok, reason);
            }
        });
    });
});
describe("Test Signature Manipulation", function () {
    const tests = loadTests("transactions");
    tests.forEach((test) => {
        it("autofills partial signatures - " + test.name, function () {
            const address = ethers.utils.getAddress(test.accountAddress);
            const hash = ethers.utils.keccak256(test.unsignedTransaction);
            const data = ethers.utils.RLP.decode(test.signedTransaction);
            const s = data.pop(), r = data.pop(), v = parseInt(data.pop().substring(2), 16);
            const sig = ethers.utils.splitSignature({ r: r, s: s, v: v });
            {
                const addr = ethers.utils.recoverAddress(hash, {
                    r: r, s: s, v: v
                });
                assert.equal(addr, address, "Using r, s and v");
            }
            {
                const addr = ethers.utils.recoverAddress(hash, {
                    r: sig.r, _vs: sig._vs
                });
                assert.equal(addr, address, "Using r, _vs");
            }
            {
                const addr = ethers.utils.recoverAddress(hash, {
                    r: sig.r, s: sig.s, recoveryParam: sig.recoveryParam
                });
                assert.equal(addr, address, "Using r, s and recoveryParam");
            }
        });
    });
});
describe("BigNumber", function () {
    const tests = loadTests("bignumber");
    tests.forEach((test) => {
        if (test.expectedValue == null) {
            it(test.testcase, function () {
                assert.throws(() => {
                    const value = ethers.BigNumber.from(test.value);
                    console.log("ERROR", value);
                }, (error) => {
                    return true;
                });
            });
        }
        else {
            it(test.testcase, function () {
                const value = ethers.BigNumber.from(test.value);
                assert.equal(value.toHexString(), test.expectedValue);
                const value2 = ethers.BigNumber.from(value);
                assert.equal(value2.toHexString(), test.expectedValue);
            });
        }
    });
    [
        { value: "0x0", expected: "0x0" },
        { value: "-0x0", expected: "0x0" },
        { value: "0x5", expected: "0x5" },
        { value: "-0x5", expected: "0x5" },
        { value: "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", expected: "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" },
        { value: "-0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", expected: "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" },
        { value: "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", expected: "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" },
        { value: "-0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", expected: "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" },
    ].forEach((test) => {
        it(`absolute value (${test.value})`, function () {
            const value = ethers.BigNumber.from(test.value);
            const expected = ethers.BigNumber.from(test.expected);
            assert.ok(value.abs().eq(expected));
        });
    });
    // @TODO: Add more tests here
});
describe("Logger", function () {
    const logger = new ethers.utils.Logger("testing/0.0");
    it("checkArgumentCount", function () {
        logger.checkArgumentCount(3, 3);
    });
    it("checkArgumentCount - too few", function () {
        assert.throws(() => {
            logger.checkArgumentCount(1, 3);
        }, (error) => {
            return error.code === ethers.utils.Logger.errors.MISSING_ARGUMENT;
        });
    });
    it("checkArgumentCount - too many", function () {
        assert.throws(() => {
            logger.checkArgumentCount(3, 1);
        }, (error) => {
            return error.code === ethers.utils.Logger.errors.UNEXPECTED_ARGUMENT;
        });
    });
});
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