ethers.js/src.ts/_tests/test-hash.ts

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import assert from "assert";
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import {
hashMessage,
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solidityPacked, solidityPackedKeccak256, solidityPackedSha256,
isError
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} from "../index.js";
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import { loadTests } from "./utils.js"
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import type { TestCaseSolidityHash } from "./types.js";
/*
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import { dnsEncode, isValidName, namehash } from "../index.js";
describe("Tests Namehash", function() {
const tests = loadTests<TestCaseNamehash>("namehash");
for (const test of tests) {
it(`hashes ENS names: ${ JSON.stringify(test.ensName) }`, function() {
const actual = namehash(test.ensName);
assert.equal(actual, test.namehash, "namehash");
// The empty string is not a valid ENS name
if (test.ensName) {
assert.ok(isValidName(test.ensName), "isValidName");
}
});
}
});
describe("Tests Bad ENS Names", function() {
const badTests: Array<{ ensName: any, prefix: string }> = [
{ ensName: ".", prefix: "missing component" },
{ ensName:"..", prefix: "missing component" },
{ ensName:"ricmoo..eth", prefix: "missing component" },
{ ensName:"ricmoo...eth", prefix: "missing component" },
{ ensName:".foo", prefix: "missing component" },
{ ensName:"foo.", prefix: "missing component" },
{ ensName: 1234, prefix: "not a string" },
{ ensName: true, prefix: "not a string" },
];
// The empty string is not a valid name, but has a valid namehash
// (the zero hash) as it is the base case for recursion
it("empty ENS name", function() {
assert.ok(!isValidName(""), "!isValidName");
});
for (const { ensName, prefix } of badTests) {
it(`fails on bad ENS name: ${ JSON.stringify(ensName) }`, function() {
assert.ok(!isValidName(ensName), "!isValidName");
assert.throws(() => {
const result = namehash(ensName);
console.log(result);
}, (error) => {
const errorPrefix = `invalid ENS name; ${ prefix }`;
return (error.code === "INVALID_ARGUMENT" &&
error.argument === "name" && error.value === ensName &&
error.message.substring(0, errorPrefix.length) === errorPrefix);
});
});
}
});
describe("Tests DNS Encoding", function() {
const tests: Array<{ ensName: string, dnsEncoded: string}> = [
{ ensName: "", dnsEncoded: "0x00" },
{ ensName: "ricmoo.eth", dnsEncoded: "0x067269636d6f6f0365746800" },
];
for (const { ensName, dnsEncoded } of tests) {
it(`computes the DNS Encoding: ${ JSON.stringify(ensName) }`, function() {
assert.equal(dnsEncode(ensName), dnsEncoded, "dnsEncoded");
});
}
});
describe("Tests DNS Names", function() {
const badTests: Array<{ ensName: any, prefix: string}> = [
{ ensName: ".", prefix: "invalid DNS name; missing component" },
{ ensName: "foo..bar", prefix: "invalid DNS name; missing component" },
{ ensName: ".foo", prefix: "invalid DNS name; missing component" },
{ ensName: "foo.", prefix: "invalid DNS name; missing component" },
{ ensName: 1234, prefix: "invalid DNS name; not a string" },
{ ensName: true, prefix: "invalid DNS name; not a string" },
];
for (const { ensName, prefix } of badTests) {
it(`fails on bad DNS name: ${ JSON.stringify(ensName) }`, function() {
assert.throws(() => {
const result = dnsEncode(ensName);
console.log(result);
}, (error) => {
return (error.code === "INVALID_ARGUMENT" &&
error.argument === "name" && error.value === ensName &&
error.message.substring(0, prefix.length) === prefix);
});
});
}
{
const ensName = "foobar012345678901234567890123456789012345678901234567890123456789";
const prefix = "too long";
it(`fails on bad DNS name: ${ JSON.stringify(ensName) }`, function() {
assert.throws(() => {
const result = dnsEncode(ensName);
console.log(result);
}, (error) => {
return (error.code === "INVALID_ARGUMENT" &&
error.argument === "value" && error.value === ensName &&
error.message.substring(0, prefix.length) === prefix);
});
});
}
});
*/
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describe("Test EIP-191 Personal Message Hash", function() {
const tests = [
{
test: "hello-world",
message: "Hello World",
hash: "0xa1de988600a42c4b4ab089b619297c17d53cffae5d5120d82d8a92d0bb3b78f2"
},
{
test: "binary-message",
message: new Uint8Array([ 0x42, 0x43 ]),
hash: "0x0d3abc18ec299cf9b42ba439ac6f7e3e6ec9f5c048943704e30fc2d9c7981438"
},
{
test: "hex-looking-string",
message: "0x4243",
hash: "0x6d91b221f765224b256762dcba32d62209cf78e9bebb0a1b758ca26c76db3af4"
}
];
for (const test of tests) {
it(`tests hashMessage: ${ test.test }`, function() {
assert.equal(hashMessage(test.message), test.hash);
});
}
})
describe("Test Solidity Hash functions", function() {
const tests = loadTests<TestCaseSolidityHash>("solidity-hashes");
for (const test of tests) {
it(`computes the solidity keccak256: ${ test.name }`, function() {
assert.equal(solidityPackedKeccak256(test.types, test.values), test.keccak256);
});
}
for (const test of tests) {
it(`computes the solidity sha256: ${ test.name }`, function() {
assert.equal(solidityPackedSha256(test.types, test.values), test.sha256);
});
}
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const badTypes = [
{ types: [ "uint5" ], values: [ 1 ] },
{ types: [ "bytes0" ], values: [ "0x" ] },
{ types: [ "blorb" ], values: [ false ] },
];
for (const { types, values } of badTypes) {
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it("correctly fails on invalid type", function() {
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assert.throws(function() {
const result = solidityPacked(types, values);
console.log(result);
}, function (error) {
return (isError(error, "INVALID_ARGUMENT") && error.argument === "type");
});
});
}
});