From ef6371016d9bc30a344ccf8f56a409047775c462 Mon Sep 17 00:00:00 2001 From: jimthematrix Date: Thu, 22 Aug 2024 23:40:24 -0400 Subject: [PATCH] Add support for returning multiple hash states (#3) * Add support for returning multiple hash states Signed-off-by: Jim Zhang * Update src/poseidon/index.js Co-authored-by: Chance * Update test.mjs Co-authored-by: Chance * Update prepublish script for the function signature Signed-off-by: Jim Zhang * Update src/poseidon/index.js Co-authored-by: Chance * Minor fixes after suggested updates Signed-off-by: Jim Zhang * Update scripts/prepublish.mjs Co-authored-by: Chance --------- Signed-off-by: Jim Zhang Co-authored-by: Chance --- package-lock.json | 456 +++++++++++++++++++++-------------------- scripts/prepublish.mjs | 2 +- src/poseidon/index.js | 16 +- src/poseidon1.mjs | 4 +- src/poseidon10.mjs | 4 +- src/poseidon11.mjs | 4 +- src/poseidon12.mjs | 4 +- src/poseidon13.mjs | 4 +- src/poseidon14.mjs | 4 +- src/poseidon15.mjs | 4 +- src/poseidon16.mjs | 4 +- src/poseidon2.mjs | 4 +- src/poseidon3.mjs | 4 +- src/poseidon4.mjs | 4 +- src/poseidon5.mjs | 4 +- src/poseidon6.mjs | 4 +- src/poseidon7.mjs | 4 +- src/poseidon8.mjs | 4 +- src/poseidon9.mjs | 4 +- test.mjs | 29 +++ 20 files changed, 307 insertions(+), 260 deletions(-) diff --git a/package-lock.json b/package-lock.json index 8b5c42d..05aec97 100644 --- a/package-lock.json +++ b/package-lock.json @@ -82,19 +82,6 @@ "node": ">=8" } }, - 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"integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==", + "version": "6.3.1", + "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz", + "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==", "dev": true }, "string_decoder": { @@ -6040,6 +6036,16 @@ "integrity": "sha512-/OaKK0xYrs3DmxRYqL/yDc+FxFUVYhDlXMhRmv3z915w2HF1tnN1omB354j8VUGO/hbRzyD6Y3sA7v7GS/ceog==", "dev": true }, + "to-regex-range": { + "version": "5.0.1", + "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz", + "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==", + "dev": true, + "optional": true, + "requires": { + "is-number": "^7.0.0" + } + }, "unicode-canonical-property-names-ecmascript": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz", diff --git a/scripts/prepublish.mjs b/scripts/prepublish.mjs index 1e63896..2b8affc 100644 --- a/scripts/prepublish.mjs +++ b/scripts/prepublish.mjs @@ -13,7 +13,7 @@ await fs.promises.copyFile('./README.md', './build/README.md') for (let x = 0; x < 16; x++) { const t = `declare module 'poseidon-lite/poseidon${x + 1}' { - export function poseidon${x + 1}(input: (bigint|number|string)[]): bigint + export function poseidon${x + 1}(input: (bigint|number|string)[], nOuts?: number): bigint }\n` await fs.promises.writeFile(`./build/poseidon${x + 1}.d.ts`, t) } diff --git a/src/poseidon/index.js b/src/poseidon/index.js index 3d0cd1b..bf42f68 100644 --- a/src/poseidon/index.js +++ b/src/poseidon/index.js @@ -30,7 +30,7 @@ function mix(state, M) { return out } -function poseidon(_inputs, opt) { +function poseidon(_inputs, opt, nOuts = 1) { const inputs = _inputs.map((i) => BigInt(i)) if (inputs.length <= 0) { throw new Error('poseidon-lite: Not enough inputs') @@ -60,7 +60,19 @@ function poseidon(_inputs, opt) { } state = mix(state, M) } - return state[0] + if (typeof nOuts !== 'number') + throw new Error( + `poseidon-lite: expected nOuts to be number got ${typeof nOuts}` + ) + if (nOuts === 1) { + return state[0] + } else if (nOuts <= state.length) { + return state.slice(0, nOuts) + } else { + throw new Error( + `poseidon-lite: Invalid number of outputs requested ${nOuts}, max ${state.length}` + ) + } } module.exports = poseidon diff --git a/src/poseidon1.mjs b/src/poseidon1.mjs index 72feebd..51efa0c 100644 --- a/src/poseidon1.mjs +++ b/src/poseidon1.mjs @@ -4,6 +4,6 @@ import _c from './constants/1' const c = unstringifyBigInts(_c) -export function poseidon1(inputs) { - return poseidon(inputs, c) +export function poseidon1(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon10.mjs b/src/poseidon10.mjs index a914f01..2ec50ff 100644 --- a/src/poseidon10.mjs +++ b/src/poseidon10.mjs @@ -4,6 +4,6 @@ import _c from './constants/10' const c = unstringifyBigInts(_c) -export function poseidon10(inputs) { - return poseidon(inputs, c) +export function poseidon10(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon11.mjs b/src/poseidon11.mjs index 9d556ac..ed80baa 100644 --- a/src/poseidon11.mjs +++ b/src/poseidon11.mjs @@ -4,6 +4,6 @@ import _c from './constants/11' const c = unstringifyBigInts(_c) -export function poseidon11(inputs) { - return poseidon(inputs, c) +export function poseidon11(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon12.mjs b/src/poseidon12.mjs index 7aaebbb..4aa49ce 100644 --- a/src/poseidon12.mjs +++ b/src/poseidon12.mjs @@ -4,6 +4,6 @@ import _c from './constants/12' const c = unstringifyBigInts(_c) -export function poseidon12(inputs) { - return poseidon(inputs, c) +export function poseidon12(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon13.mjs b/src/poseidon13.mjs index 0d0456d..cb0f62b 100644 --- a/src/poseidon13.mjs +++ b/src/poseidon13.mjs @@ -4,6 +4,6 @@ import _c from './constants/13' const c = unstringifyBigInts(_c) -export function poseidon13(inputs) { - return poseidon(inputs, c) +export function poseidon13(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon14.mjs b/src/poseidon14.mjs index 5614cd2..7028ef5 100644 --- a/src/poseidon14.mjs +++ b/src/poseidon14.mjs @@ -4,6 +4,6 @@ import _c from './constants/14' const c = unstringifyBigInts(_c) -export function poseidon14(inputs) { - return poseidon(inputs, c) +export function poseidon14(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon15.mjs b/src/poseidon15.mjs index 8f0963c..8361481 100644 --- a/src/poseidon15.mjs +++ b/src/poseidon15.mjs @@ -4,6 +4,6 @@ import _c from './constants/15' const c = unstringifyBigInts(_c) -export function poseidon15(inputs) { - return poseidon(inputs, c) +export function poseidon15(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon16.mjs b/src/poseidon16.mjs index 54bd209..66d75a3 100644 --- a/src/poseidon16.mjs +++ b/src/poseidon16.mjs @@ -4,6 +4,6 @@ import _c from './constants/16' const c = unstringifyBigInts(_c) -export function poseidon16(inputs) { - return poseidon(inputs, c) +export function poseidon16(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon2.mjs b/src/poseidon2.mjs index 6b544c0..8259d84 100644 --- a/src/poseidon2.mjs +++ b/src/poseidon2.mjs @@ -4,6 +4,6 @@ import _c from './constants/2' const c = unstringifyBigInts(_c) -export function poseidon2(inputs) { - return poseidon(inputs, c) +export function poseidon2(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon3.mjs b/src/poseidon3.mjs index 5017c99..1cfbfd6 100644 --- a/src/poseidon3.mjs +++ b/src/poseidon3.mjs @@ -4,6 +4,6 @@ import _c from './constants/3' const c = unstringifyBigInts(_c) -export function poseidon3(inputs) { - return poseidon(inputs, c) +export function poseidon3(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon4.mjs b/src/poseidon4.mjs index 2e0c6c4..48b4349 100644 --- a/src/poseidon4.mjs +++ b/src/poseidon4.mjs @@ -4,6 +4,6 @@ import _c from './constants/4' const c = unstringifyBigInts(_c) -export function poseidon4(inputs) { - return poseidon(inputs, c) +export function poseidon4(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon5.mjs b/src/poseidon5.mjs index d7d5157..c058cda 100644 --- a/src/poseidon5.mjs +++ b/src/poseidon5.mjs @@ -4,6 +4,6 @@ import _c from './constants/5' const c = unstringifyBigInts(_c) -export function poseidon5(inputs) { - return poseidon(inputs, c) +export function poseidon5(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon6.mjs b/src/poseidon6.mjs index 2a5c925..cc83f47 100644 --- a/src/poseidon6.mjs +++ b/src/poseidon6.mjs @@ -4,6 +4,6 @@ import _c from './constants/6' const c = unstringifyBigInts(_c) -export function poseidon6(inputs) { - return poseidon(inputs, c) +export function poseidon6(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon7.mjs b/src/poseidon7.mjs index ccf96da..0139d58 100644 --- a/src/poseidon7.mjs +++ b/src/poseidon7.mjs @@ -4,6 +4,6 @@ import _c from './constants/7' const c = unstringifyBigInts(_c) -export function poseidon7(inputs) { - return poseidon(inputs, c) +export function poseidon7(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon8.mjs b/src/poseidon8.mjs index 3a4550e..f7d84d0 100644 --- a/src/poseidon8.mjs +++ b/src/poseidon8.mjs @@ -4,6 +4,6 @@ import _c from './constants/8' const c = unstringifyBigInts(_c) -export function poseidon8(inputs) { - return poseidon(inputs, c) +export function poseidon8(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/src/poseidon9.mjs b/src/poseidon9.mjs index a52c7aa..ef8f2bf 100644 --- a/src/poseidon9.mjs +++ b/src/poseidon9.mjs @@ -4,6 +4,6 @@ import _c from './constants/9' const c = unstringifyBigInts(_c) -export function poseidon9(inputs) { - return poseidon(inputs, c) +export function poseidon9(inputs, nOuts) { + return poseidon(inputs, c, nOuts) } diff --git a/test.mjs b/test.mjs index cbfbf78..f28c331 100644 --- a/test.mjs +++ b/test.mjs @@ -21,12 +21,41 @@ for (let x = 0; x < count; x++) { crypto.randomBytes(Math.floor(1 + 10 * Math.random())).toString('hex') ) } + // check the result of returning the final hash (nOuts = 1) const circomOutput = BigInt(circomPoseidon.F.toString(circomPoseidon(inputs))) const time = process.hrtime() const out = poseidon[`poseidon${inputs.length}`](inputs) const diff = process.hrtime(time) times.push((diff[0] * NS_PER_SEC + diff[1]) / NS_PER_MSEC) if (circomOutput !== out) throw new Error('Hash output mismatch') + + // check the result of returning multiple states (nOuts > 1) + const circomOutput2 = + inputs.length == 1 + ? BigInt( + circomPoseidon.F.toString(circomPoseidon(inputs, 0, inputs.length)) + ) + : circomPoseidon(inputs, 0, inputs.length).map((v) => + BigInt(circomPoseidon.F.toString(v)) + ) + + const out2 = poseidon[`poseidon${inputs.length}`](inputs, inputs.length) + check(circomOutput2, out2) +} + +function check(a, b) { + if (Array.isArray(a) && Array.isArray(b)) { + if (a.length !== b.length) { + throw new Error('Hash output state length mismatch') + } + for (let i = 0; i < a.length; i++) { + check(a[i], b[i]) + } + } else if (typeof a === 'bigint' && typeof b === 'bigint') { + if (a !== b) throw new Error('Hash output mismatch') + } else { + throw new Error(`Output types mismatch: ${typeof a} ${typeof b}`) + } } {