import { deepStrictEqual, throws } from 'assert'; import { describe, should } from 'micro-should'; import * as starknet from '../../lib/esm/stark.js'; import { default as issue2 } from './fixtures/issue2.json' assert { type: 'json' }; import * as bip32 from '@scure/bip32'; import * as bip39 from '@scure/bip39'; describe('starknet basic', () => { should('Basic elliptic sanity check', () => { const g1 = starknet.ProjectivePoint.BASE; deepStrictEqual( g1.toAffine().x.toString(16), '1ef15c18599971b7beced415a40f0c7deacfd9b0d1819e03d723d8bc943cfca' ); deepStrictEqual( g1.toAffine().y.toString(16), '5668060aa49730b7be4801df46ec62de53ecd11abe43a32873000c36e8dc1f' ); const g2 = g1.double(); deepStrictEqual( g2.toAffine().x.toString(16), '759ca09377679ecd535a81e83039658bf40959283187c654c5416f439403cf5' ); deepStrictEqual( g2.toAffine().y.toString(16), '6f524a3400e7708d5c01a28598ad272e7455aa88778b19f93b562d7a9646c41' ); const g3 = g2.add(g1); deepStrictEqual( g3.toAffine().x.toString(16), '411494b501a98abd8262b0da1351e17899a0c4ef23dd2f96fec5ba847310b20' ); deepStrictEqual( g3.toAffine().y.toString(16), '7e1b3ebac08924d2c26f409549191fcf94f3bf6f301ed3553e22dfb802f0686' ); const g32 = g1.multiply(3n); deepStrictEqual( g32.toAffine().x.toString(16), '411494b501a98abd8262b0da1351e17899a0c4ef23dd2f96fec5ba847310b20' ); deepStrictEqual( g32.toAffine().y.toString(16), '7e1b3ebac08924d2c26f409549191fcf94f3bf6f301ed3553e22dfb802f0686' ); const minus1 = g1.multiply(starknet.CURVE.n - 1n); deepStrictEqual( minus1.toAffine().x.toString(16), '1ef15c18599971b7beced415a40f0c7deacfd9b0d1819e03d723d8bc943cfca' ); deepStrictEqual( minus1.toAffine().y.toString(16), '7a997f9f55b68e04841b7fe20b9139d21ac132ee541bc5cd78cfff3c91723e2' ); }); should('Pedersen', () => { deepStrictEqual( starknet.pedersen(2, 3), '0x5774fa77b3d843ae9167abd61cf80365a9b2b02218fc2f628494b5bdc9b33b8' ); deepStrictEqual( starknet.pedersen(1, 2), '0x5bb9440e27889a364bcb678b1f679ecd1347acdedcbf36e83494f857cc58026' ); deepStrictEqual( starknet.pedersen(3, 4), '0x262697b88544f733e5c6907c3e1763131e9f14c51ee7951258abbfb29415fbf' ); }); should('Hash chain', () => { deepStrictEqual( starknet.hashChain([1, 2, 3]), '0x5d9d62d4040b977c3f8d2389d494e4e89a96a8b45c44b1368f1cc6ec5418915' ); }); should('Pedersen hash edgecases', () => { // >>> pedersen_hash(0,0) const zero = '0x49ee3eba8c1600700ee1b87eb599f16716b0b1022947733551fde4050ca6804'; deepStrictEqual(starknet.pedersen(0, 0), zero); deepStrictEqual(starknet.pedersen(0n, 0n), zero); deepStrictEqual(starknet.pedersen('0', '0'), zero); deepStrictEqual(starknet.pedersen('0x0', '0x0'), zero); // >>> pedersen_hash(3618502788666131213697322783095070105623107215331596699973092056135872020475,3618502788666131213697322783095070105623107215331596699973092056135872020475) // 3226051580231087455100099637526672350308978851161639703631919449959447036451 const big = 3618502788666131213697322783095070105623107215331596699973092056135872020475n; const bigExp = '0x721e167a36655994e88efa865e2ed8a0488d36db4d988fec043cda755728223'; deepStrictEqual(starknet.pedersen(big, big), bigExp); // >= FIELD const big2 = 36185027886661312136973227830950701056231072153315966999730920561358720204751n; throws(() => starknet.pedersen(big2, big2), 'big2'); // FIELD -1 const big3 = 3618502788666131213697322783095070105623107215331596699973092056135872020480n; const big3exp = '0x7258fccaf3371fad51b117471d9d888a1786c5694c3e6099160477b593a576e'; deepStrictEqual(starknet.pedersen(big3, big3), big3exp, 'big3'); // FIELD const big4 = 3618502788666131213697322783095070105623107215331596699973092056135872020481n; throws(() => starknet.pedersen(big4, big4), 'big4'); throws(() => starknet.pedersen(-1, -1), 'neg'); throws(() => starknet.pedersen(false, false), 'false'); throws(() => starknet.pedersen(true, true), 'true'); throws(() => starknet.pedersen(10.1, 10.1), 'float'); }); should('hashChain edgecases', () => { deepStrictEqual(starknet.hashChain([32312321312321312312312321n]), '0x1aba6672c014b4838cc201'); deepStrictEqual( starknet.hashChain([1n, 2n]), '0x5bb9440e27889a364bcb678b1f679ecd1347acdedcbf36e83494f857cc58026' ); deepStrictEqual( starknet.hashChain([1, 2]), '0x5bb9440e27889a364bcb678b1f679ecd1347acdedcbf36e83494f857cc58026' ); throws(() => starknet.hashChain([])); throws(() => starknet.hashChain('123')); deepStrictEqual( starknet.hashChain([1, 2]), '0x5bb9440e27889a364bcb678b1f679ecd1347acdedcbf36e83494f857cc58026' ); }); should('Pedersen hash, issue #2', () => { // Verified with starnet.js deepStrictEqual( starknet.computeHashOnElements(issue2), '0x22064462ea33a6ce5272a295e0f551c5da3834f80d8444e7a4df68190b1bc42' ); deepStrictEqual( starknet.computeHashOnElements([]), '0x49ee3eba8c1600700ee1b87eb599f16716b0b1022947733551fde4050ca6804' ); deepStrictEqual( starknet.computeHashOnElements([1]), '0x78d74f61aeaa8286418fd34b3a12a610445eba11d00ecc82ecac2542d55f7a4' ); }); should('Seed derivation (example)', () => { const layer = 'starkex'; const application = 'starkdeployement'; const mnemonic = 'range mountain blast problem vibrant void vivid doctor cluster enough melody ' + 'salt layer language laptop boat major space monkey unit glimpse pause change vibrant'; const ethAddress = '0xa4864d977b944315389d1765ffa7e66F74ee8cd7'; const hdKey = bip32.HDKey.fromMasterSeed(bip39.mnemonicToSeedSync(mnemonic)).derive( starknet.getAccountPath(layer, application, ethAddress, 0) ); deepStrictEqual( starknet.grindKey(hdKey.privateKey), '6cf0a8bf113352eb863157a45c5e5567abb34f8d32cddafd2c22aa803f4892c' ); }); should('Compressed keys', () => { const G = starknet.ProjectivePoint.BASE; const half = starknet.CURVE.n / 2n; const last = starknet.CURVE.n; const vectors = [ 1n, 2n, 3n, 4n, 5n, half - 5n, half - 4n, half - 3n, half - 2n, half - 1n, half, half + 1n, half + 2n, half + 3n, half + 4n, half + 5n, last - 5n, last - 4n, last - 3n, last - 2n, last - 1n, ].map((i) => G.multiply(i)); const fixPoint = (pt) => pt.toAffine(); for (const v of vectors) { const uncompressed = v.toHex(); const compressed = v.toHex(true); const exp = fixPoint(v); deepStrictEqual(fixPoint(starknet.ProjectivePoint.fromHex(uncompressed)), exp); deepStrictEqual(fixPoint(starknet.ProjectivePoint.fromHex(compressed)), exp); deepStrictEqual(starknet.ProjectivePoint.fromHex(compressed).toHex(), uncompressed); } }); }); // ESM is broken. import url from 'url'; if (import.meta.url === url.pathToFileURL(process.argv[1]).href) { should.run(); }