Merge pull request #44 from ChainSafe/dapplion/proxy-named-exports

Proxy named exports in root index
This commit is contained in:
Cayman 2020-11-30 09:13:03 -07:00 committed by GitHub
commit cb3bf183d2
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4 changed files with 64 additions and 6 deletions

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@ -6,7 +6,7 @@ module.exports = function(config) {
basePath: "",
frameworks: ["mocha", "chai"],
files: ["test/unit/run-web-implementation.test.ts"],
files: ["test/unit/run-web-implementation.test.ts", "test/unit/index-named-exports.test.ts"],
exclude: [],
preprocessors: {
"test/**/*.ts": ["webpack"]
@ -23,4 +23,4 @@ module.exports = function(config) {
singleRun: true
});
};
};

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@ -1,4 +1,4 @@
import {IBls} from "./interface";
import {IBls, IPrivateKey, IPublicKey, ISignature} from "./interface";
import {bls as blsHerumi} from "./herumi";
export type Implementation = "herumi" | "blst-native";
@ -7,6 +7,7 @@ export * from "./interface";
// TODO: Use a Proxy for example to throw an error if it's not initialized yet
export const bls: IBls = {} as IBls;
export default bls;
async function getImplementation(impl: Implementation = "herumi"): Promise<IBls> {
switch (impl) {
@ -31,7 +32,44 @@ export async function init(impl: Implementation): Promise<void> {
// Using Object.assign instead of just bls = getImplementation()
// because otherwise the default import breaks. The reference is lost
// and the imported object is still undefined after calling init()
Object.assign(bls, await getImplementation(impl));
const blsImpl = await getImplementation(impl);
Object.assign(bls, blsImpl);
Object.assign(exports, blsImpl);
}
export default bls;
// Proxy named exports, will get set by `Object.assign(exports, blsImpl)`
export declare let sign: IBls["sign"];
export declare let aggregateSignatures: IBls["aggregateSignatures"];
export declare let aggregatePubkeys: IBls["aggregatePubkeys"];
export declare let verify: IBls["verify"];
export declare let verifyAggregate: IBls["verifyAggregate"];
export declare let verifyMultiple: IBls["verifyMultiple"];
export declare class PrivateKey implements IPrivateKey {
static fromBytes(bytes: Uint8Array): PrivateKey;
static fromHex(hex: string): PrivateKey;
static fromKeygen(entropy?: Uint8Array): PrivateKey;
sign(message: Uint8Array): Signature;
toPublicKey(): PublicKey;
toBytes(): Uint8Array;
toHex(): string;
}
export declare class PublicKey implements IPublicKey {
static fromBytes(bytes: Uint8Array): PublicKey;
static fromHex(hex: string): PublicKey;
static aggregate(pubkeys: PublicKey[]): PublicKey;
toBytes(): Uint8Array;
toHex(): string;
}
export declare class Signature implements ISignature {
static fromBytes(bytes: Uint8Array): Signature;
static fromHex(hex: string): Signature;
static aggregate(signatures: Signature[]): Signature;
verify(publicKey: PublicKey, message: Uint8Array): boolean;
verifyAggregate(publicKeys: PublicKey[], message: Uint8Array): boolean;
verifyMultiple(publicKeys: PublicKey[], messages: Uint8Array[]): boolean;
toBytes(): Uint8Array;
toHex(): string;
}

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@ -17,7 +17,6 @@ describe("helpers / bytes", () => {
for (const {hex, isZero} of testCases) {
it(`${hex} isZero = ${isZero}`, () => {
const bytes = hexToBytesNode(hex);
console.log(bytes);
expect(isZeroUint8Array(bytes)).to.equal(isZero);
});
}

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@ -0,0 +1,21 @@
import {expect} from "chai";
import {PrivateKey, PublicKey, Signature, init} from "../../src";
describe("index named exports", () => {
it("Classes and methods should be defined", async () => {
await init("herumi");
const sk = PrivateKey.fromKeygen();
const msg = new Uint8Array(32);
const sig = sk.sign(msg);
const pk = sk.toPublicKey();
expect(verifyHelper(pk, sig, msg)).to.be.true;
});
/**
* Sample helper to test argument typing
*/
function verifyHelper(pk: PublicKey, sig: Signature, msg: Uint8Array): boolean {
return sig.verify(pk, msg);
}
});