From 446f9848d6e975ed1a585294d8cbd3f7728176e6 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Wed, 13 Dec 2023 14:54:12 +0100 Subject: [PATCH 01/24] add an option to disable leaf sorting --- CHANGELOG.md | 4 ++++ src/standard.ts | 20 ++++++++++++++++---- 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 75bbf9f..90fa3fa 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,9 @@ # Changelog +## Unreleased + +- Add an option to disable leaf sorting. + ## 1.0.5 - Make `processMultiProof` more robust by validating invariants. diff --git a/src/standard.ts b/src/standard.ts index 110ad36..8904303 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -20,6 +20,14 @@ interface StandardMerkleTreeData { leafEncoding: string[]; } +interface StandardMerkleTreeOptions { + sortLeaves: boolean; +} + +const defaultOptions: StandardMerkleTreeOptions = { + sortLeaves: true, +}; + export class StandardMerkleTree { private readonly hashLookup: { [hash: string]: number }; @@ -35,10 +43,14 @@ export class StandardMerkleTree { ])); } - static of(values: T[], leafEncoding: string[]) { - const hashedValues = values - .map((value, valueIndex) => ({ value, valueIndex, hash: standardLeafHash(value, leafEncoding) })) - .sort((a, b) => compareBytes(a.hash, b.hash)); + static of(values: T[], leafEncoding: string[], options: Partial = {}) { + const { sortLeaves } = { ...defaultOptions, ...options }; + + const hashedValues = values.map((value, valueIndex) => ({ value, valueIndex, hash: standardLeafHash(value, leafEncoding) })); + + if (sortLeaves) { + hashedValues.sort((a, b) => compareBytes(a.hash, b.hash)); + } const tree = makeMerkleTree(hashedValues.map(v => v.hash)); From 4a18e18532b304e0580350b99e083fc8896c4afe Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Wed, 13 Dec 2023 22:36:05 +0100 Subject: [PATCH 02/24] test leaf sorting --- package-lock.json | 1320 ++++++++++++++++++++++++++++++- package.json | 3 + src/standard.test.ts | 264 ++++--- src/standard.ts | 26 +- src/utils/standard-leaf-hash.ts | 8 + 5 files changed, 1484 insertions(+), 137 deletions(-) create mode 100644 src/utils/standard-leaf-hash.ts diff --git a/package-lock.json b/package-lock.json index a381700..9ea4c9a 100644 --- a/package-lock.json +++ b/package-lock.json @@ -15,12 +15,23 @@ "devDependencies": { "@types/mocha": "^10.0.0", "c8": "^7.12.0", + "eslint": "^8.55.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", + "prettier": "^3.1.1", "ts-node": "^10.9.1", "typescript": "^4.8.4" } }, + "node_modules/@aashutoshrathi/word-wrap": { + "version": "1.2.6", + "resolved": "https://registry.npmjs.org/@aashutoshrathi/word-wrap/-/word-wrap-1.2.6.tgz", + "integrity": "sha512-1Yjs2SvM8TflER/OD3cOjhWWOZb58A2t7wpE2S9XfBYTiIl+XFhQG2bjy4Pu1I+EAlCNUzRDYDdFwFYUKvXcIA==", + "dev": true, + "engines": { + "node": ">=0.10.0" + } + }, "node_modules/@bcoe/v8-coverage": { "version": "0.2.3", "resolved": 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"sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==", "dev": true }, + "uri-js": { + "version": "4.4.1", + "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz", + "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==", + "dev": true, + "requires": { + "punycode": "^2.1.0" + } + }, "v8-compile-cache-lib": { "version": "3.0.1", "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz", diff --git a/package.json b/package.json index f021916..c218e6c 100644 --- a/package.json +++ b/package.json @@ -8,6 +8,8 @@ "prepublishOnly": "npm run clean", "prepare": "tsc", "clean": "rm -rf dist", + "lint": "prettier --check --log-level warn --ignore-path .gitignore 'src/**/*.{js,ts}'", + "lint:fix": "prettier --write --log-level warn --ignore-path .gitignore 'src/**/*.{js,ts}'", "test": "mocha", "coverage": "c8 npm run test --" }, @@ -29,6 +31,7 @@ "c8": "^7.12.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", + "prettier": "^3.1.1", "ts-node": "^10.9.1", "typescript": "^4.8.4" } diff --git a/src/standard.test.ts b/src/standard.test.ts index 590d836..6a6aebb 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -1,131 +1,161 @@ import assert from 'assert/strict'; import { keccak256 } from 'ethereum-cryptography/keccak'; import { hex } from './bytes'; -import { StandardMerkleTree } from './standard'; +import { StandardMerkleTree, StandardMerkleTreeOptions } from './standard'; const zeroBytes = new Uint8Array(32); const zero = hex(zeroBytes); -const characters = (s: string) => { +const characters = (s: string, opts: StandardMerkleTreeOptions = {}) => { const l = s.split('').map(c => [c]); - const t = StandardMerkleTree.of(l, ['string']); + const t = StandardMerkleTree.of(l, ['string'], opts); return { l, t }; } describe('standard merkle tree', () => { - it('generates valid single proofs for all leaves', () => { - const { t } = characters('abcdef'); - t.validate(); - }); - - it('generates valid single proofs for all leaves', () => { - const { t } = characters('abcdef'); - - for (const [id, leaf] of t.entries()) { - const proof1 = t.getProof(id); - const proof2 = t.getProof(leaf); - - assert.deepEqual(proof1, proof2); - - assert(t.verify(id, proof1)); - assert(t.verify(leaf, proof1)); - assert(StandardMerkleTree.verify(t.root, ['string'], leaf, proof1)); - } - }); - - it('rejects invalid proofs', () => { - const { t } = characters('abcdef'); - const { t: otherTree } = characters('abc'); - - const leaf = ['a']; - const invalidProof = otherTree.getProof(leaf); - - assert(!t.verify(leaf, invalidProof)); - assert(!StandardMerkleTree.verify(t.root, ['string'], leaf, invalidProof)); - }); - - it('generates valid multiproofs', () => { - const { t, l } = characters('abcdef'); - - for (const ids of [[], [0, 1], [0, 1, 5], [1, 3, 4, 5], [0, 2, 4, 5], [0, 1, 2, 3, 4, 5]]) { - const proof1 = t.getMultiProof(ids); - const proof2 = t.getMultiProof(ids.map(i => l[i]!)); - - assert.deepEqual(proof1, proof2); - - assert(t.verifyMultiProof(proof1)); - assert(StandardMerkleTree.verifyMultiProof(t.root, ['string'], proof1)); - } - }); - - it('rejects invalid multiproofs', () => { - const { t } = characters('abcdef'); - const { t: otherTree } = characters('abc'); - - const leaves = [['a'], ['b'], ['c']]; - const multiProof = otherTree.getMultiProof(leaves); - - assert(!t.verifyMultiProof(multiProof)); - assert(!StandardMerkleTree.verifyMultiProof(t.root, ['string'], multiProof)); - }); - - it('renders tree representation', () => { - const { t } = characters('abc'); - - const expected = `\ -0) f2129b5a697531ef818f644564a6552b35c549722385bc52aa7fe46c0b5f46b1 -├─ 1) fa914d99a18dc32d9725b3ef1c50426deb40ec8d0885dac8edcc5bfd6d030016 -│ ├─ 3) 9c15a6a0eaeed500fd9eed4cbeab71f797cefcc67bfd46683e4d2e6ff7f06d1c -│ └─ 4) 19ba6c6333e0e9a15bf67523e0676e2f23eb8e574092552d5e888c64a4bb3681 -└─ 2) 9cf5a63718145ba968a01c1d557020181c5b252f665cf7386d370eddb176517b`; - - assert.equal(t.render(), expected); - }); - - it('dump and load', () => { - const { t } = characters('abcdef'); - const t2 = StandardMerkleTree.load(t.dump()); - - t2.validate(); - assert.deepEqual(t2, t); - }); - - it('reject out of bounds value index', () => { - const { t } = characters('a'); - assert.throws( - () => t.getProof(1), - /^Error: Index out of bounds$/, - ); - }); - - it('reject unrecognized tree dump', () => { - assert.throws( - () => StandardMerkleTree.load({ format: 'nonstandard' } as any), - /^Error: Unknown format 'nonstandard'$/, - ); - }); - - it('reject malformed tree dump', () => { - const t1 = StandardMerkleTree.load({ - format: 'standard-v1', - tree: [zero], - values: [{ value: ['0'], treeIndex: 0 }], - leafEncoding: ['uint256'], + for (const opts of [ + {}, // empty options + { sortLeaves: true }, + { sortLeaves: false }, + ]) { + describe(`with options ${JSON.stringify(opts)}`, () => { + it('generates valid single proofs for all leaves', () => { + const { t } = characters('abcdef', opts); + t.validate(); + }); + + it('generates valid single proofs for all leaves', () => { + const { t } = characters('abcdef', opts); + + for (const [id, leaf] of t.entries()) { + const proof1 = t.getProof(id); + const proof2 = t.getProof(leaf); + + assert.deepEqual(proof1, proof2); + + assert(t.verify(id, proof1)); + assert(t.verify(leaf, proof1)); + assert(StandardMerkleTree.verify(t.root, ['string'], leaf, proof1)); + } + }); + + it('rejects invalid proofs', () => { + const { t } = characters('abcdef', opts); + const { t: otherTree } = characters('abc', opts); + + const leaf = ['a']; + const invalidProof = otherTree.getProof(leaf); + + assert(!t.verify(leaf, invalidProof)); + assert(!StandardMerkleTree.verify(t.root, ['string'], leaf, invalidProof)); + }); + + it('generates valid multiproofs', () => { + const { t, l } = characters('abcdef', opts); + + for (const ids of [[], [0, 1], [0, 1, 5], [1, 3, 4, 5], [0, 2, 4, 5], [0, 1, 2, 3, 4, 5]]) { + const proof1 = t.getMultiProof(ids); + const proof2 = t.getMultiProof(ids.map(i => l[i]!)); + + assert.deepEqual(proof1, proof2); + + assert(t.verifyMultiProof(proof1)); + assert(StandardMerkleTree.verifyMultiProof(t.root, ['string'], proof1)); + } + }); + + it('rejects invalid multiproofs', () => { + const { t } = characters('abcdef', opts); + const { t: otherTree } = characters('abc', opts); + + const leaves = [['a'], ['b'], ['c']]; + const multiProof = otherTree.getMultiProof(leaves); + + assert(!t.verifyMultiProof(multiProof)); + assert(!StandardMerkleTree.verifyMultiProof(t.root, ['string'], multiProof)); + }); + + it('renders tree representation', () => { + const { t } = characters('abcdef', opts); + + assert.equal( + t.render(), + opts.sortLeaves == false + ? [ + "0) 23be0977360f08bb0bd7f709a7d543d2cd779c79c66d74e0441919871647de2b", + "├─ 1) 8f7234e8cfe39c08ca84a3a3e3274f574af26fd15165fe29e09cbab742daccd9", + "│ ├─ 3) 03707d7802a71ca56a8ad8028da98c4f1dbec55b31b4a25d536b5309cc20eda9", + "│ │ ├─ 7) eba909cf4bb90c6922771d7f126ad0fd11dfde93f3937a196274e1ac20fd2f5b", + "│ │ └─ 8) 9cf5a63718145ba968a01c1d557020181c5b252f665cf7386d370eddb176517b", + "│ └─ 4) fa914d99a18dc32d9725b3ef1c50426deb40ec8d0885dac8edcc5bfd6d030016", + "│ ├─ 9) 19ba6c6333e0e9a15bf67523e0676e2f23eb8e574092552d5e888c64a4bb3681", + "│ └─ 10) 9c15a6a0eaeed500fd9eed4cbeab71f797cefcc67bfd46683e4d2e6ff7f06d1c", + "└─ 2) 7b0c6cd04b82bfc0e250030a5d2690c52585e0cc6a4f3bc7909d7723b0236ece", + " ├─ 5) c62a8cfa41edc0ef6f6ae27a2985b7d39c7fea770787d7e104696c6e81f64848", + " └─ 6) 9a4f64e953595df82d1b4f570d34c4f4f0cfaf729a61e9d60e83e579e1aa283e", + ].join("\n") + : [ + "0) 6deb52b5da8fd108f79fab00341f38d2587896634c646ee52e49f845680a70c8", + "├─ 1) 52426e0f1f65ff7e209a13b8c29cffe82e3acaf3dad0a9b9088f3b9a61a929c3", + "│ ├─ 3) 8076923e76cf01a7c048400a2304c9a9c23bbbdac3a98ea3946340fdafbba34f", + "│ │ ├─ 7) 9cf5a63718145ba968a01c1d557020181c5b252f665cf7386d370eddb176517b", + "│ │ └─ 8) 9c15a6a0eaeed500fd9eed4cbeab71f797cefcc67bfd46683e4d2e6ff7f06d1c", + "│ └─ 4) 965b92c6cf08303cc4feb7f3e0819c436c2cec17c6f0688a6af139c9a368707c", + "│ ├─ 9) 9a4f64e953595df82d1b4f570d34c4f4f0cfaf729a61e9d60e83e579e1aa283e", + "│ └─ 10) 19ba6c6333e0e9a15bf67523e0676e2f23eb8e574092552d5e888c64a4bb3681", + "└─ 2) fd3cf45654e88d1cc5d663578c82c76f4b5e3826bacaa1216441443504538f51", + " ├─ 5) eba909cf4bb90c6922771d7f126ad0fd11dfde93f3937a196274e1ac20fd2f5b", + " └─ 6) c62a8cfa41edc0ef6f6ae27a2985b7d39c7fea770787d7e104696c6e81f64848", + ].join("\n"), + ); + }); + + it('dump and load', () => { + const { t } = characters('abcdef', opts); + const t2 = StandardMerkleTree.load(t.dump()); + + t2.validate(); + assert.deepEqual(t2, t); + }); + + it('reject out of bounds value index', () => { + const { t } = characters('a', opts); + assert.throws( + () => t.getProof(1), + /^Error: Index out of bounds$/, + ); + }); + + it('reject unrecognized tree dump', () => { + assert.throws( + () => StandardMerkleTree.load({ format: 'nonstandard' } as any), + /^Error: Unknown format 'nonstandard'$/, + ); + }); + + it('reject malformed tree dump', () => { + const t1 = StandardMerkleTree.load({ + format: 'standard-v1', + tree: [zero], + values: [{ value: ['0'], treeIndex: 0 }], + leafEncoding: ['uint256'], + }); + assert.throws( + () => t1.getProof(0), + /^Error: Merkle tree does not contain the expected value$/, + ); + + const t2 = StandardMerkleTree.load({ + format: 'standard-v1', + tree: [zero, zero, hex(keccak256(keccak256(zeroBytes)))], + values: [{ value: ['0'], treeIndex: 2 }], + leafEncoding: ['uint256'], + }); + assert.throws( + () => t2.getProof(0), + /^Error: Unable to prove value$/, + ); + }); }); - assert.throws( - () => t1.getProof(0), - /^Error: Merkle tree does not contain the expected value$/, - ); - - const t2 = StandardMerkleTree.load({ - format: 'standard-v1', - tree: [zero, zero, hex(keccak256(keccak256(zeroBytes)))], - values: [{ value: ['0'], treeIndex: 2 }], - leafEncoding: ['uint256'], - }); - assert.throws( - () => t2.getProof(0), - /^Error: Unable to prove value$/, - ); - }); + } }); diff --git a/src/standard.ts b/src/standard.ts index 8904303..c80e2d1 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -1,14 +1,20 @@ -import { keccak256 } from 'ethereum-cryptography/keccak'; import { equalsBytes, hexToBytes } from 'ethereum-cryptography/utils'; -import { defaultAbiCoder } from '@ethersproject/abi'; import { Bytes, compareBytes, hex } from './bytes'; import { getProof, isValidMerkleTree, makeMerkleTree, processProof, renderMerkleTree, MultiProof, getMultiProof, processMultiProof } from './core'; import { checkBounds } from './utils/check-bounds'; import { throwError } from './utils/throw-error'; +import { standardLeafHash } from './utils/standard-leaf-hash'; -function standardLeafHash(value: T, types: string[]): Bytes { - return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types, value)))); -} +// MerkleTree building options +export type StandardMerkleTreeOptions = Partial<{ + sortLeaves: boolean; +}>; + +// For backward compatibility reasons, leaves are sorted by default. +// This can be disabled for usecases where leaves ordering needs to be preserved +const defaultOptions: Required = { + sortLeaves: true, +}; interface StandardMerkleTreeData { format: 'standard-v1'; @@ -20,14 +26,6 @@ interface StandardMerkleTreeData { leafEncoding: string[]; } -interface StandardMerkleTreeOptions { - sortLeaves: boolean; -} - -const defaultOptions: StandardMerkleTreeOptions = { - sortLeaves: true, -}; - export class StandardMerkleTree { private readonly hashLookup: { [hash: string]: number }; @@ -43,7 +41,7 @@ export class StandardMerkleTree { ])); } - static of(values: T[], leafEncoding: string[], options: Partial = {}) { + static of(values: T[], leafEncoding: string[], options: StandardMerkleTreeOptions = {}) { const { sortLeaves } = { ...defaultOptions, ...options }; const hashedValues = values.map((value, valueIndex) => ({ value, valueIndex, hash: standardLeafHash(value, leafEncoding) })); diff --git a/src/utils/standard-leaf-hash.ts b/src/utils/standard-leaf-hash.ts new file mode 100644 index 0000000..5ac3610 --- /dev/null +++ b/src/utils/standard-leaf-hash.ts @@ -0,0 +1,8 @@ +import { keccak256 } from 'ethereum-cryptography/keccak'; +import { hexToBytes } from 'ethereum-cryptography/utils'; +import { defaultAbiCoder } from '@ethersproject/abi'; +import { Bytes } from '../bytes'; + +export function standardLeafHash(value: T, types: string[]): Bytes { + return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types, value)))); + } From 9146e0554c1be908b26a07be4cbf2185caf18c50 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Wed, 13 Dec 2023 22:49:58 +0100 Subject: [PATCH 03/24] refactor tests --- src/standard.test.ts | 75 ++++++++++++++++++-------------------------- 1 file changed, 31 insertions(+), 44 deletions(-) diff --git a/src/standard.test.ts b/src/standard.test.ts index 6a6aebb..f460680 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -6,7 +6,7 @@ import { StandardMerkleTree, StandardMerkleTreeOptions } from './standard'; const zeroBytes = new Uint8Array(32); const zero = hex(zeroBytes); -const characters = (s: string, opts: StandardMerkleTreeOptions = {}) => { +const makeTree = (s: string, opts: StandardMerkleTreeOptions = {}) => { const l = s.split('').map(c => [c]); const t = StandardMerkleTree.of(l, ['string'], opts); return { l, t }; @@ -14,72 +14,61 @@ const characters = (s: string, opts: StandardMerkleTreeOptions = {}) => { describe('standard merkle tree', () => { for (const opts of [ - {}, // empty options + {}, { sortLeaves: true }, { sortLeaves: false }, ]) { - describe(`with options ${JSON.stringify(opts)}`, () => { + describe(`with options '${JSON.stringify(opts)}'`, () => { + const { l: leaves, t: tree } = makeTree('abcdef', opts); + const { l: otherLeaves, t: otherTree } = makeTree('abc', opts); + it('generates valid single proofs for all leaves', () => { - const { t } = characters('abcdef', opts); - t.validate(); + tree.validate(); }); it('generates valid single proofs for all leaves', () => { - const { t } = characters('abcdef', opts); - - for (const [id, leaf] of t.entries()) { - const proof1 = t.getProof(id); - const proof2 = t.getProof(leaf); + for (const [id, leaf] of tree.entries()) { + const proof1 = tree.getProof(id); + const proof2 = tree.getProof(leaf); assert.deepEqual(proof1, proof2); - assert(t.verify(id, proof1)); - assert(t.verify(leaf, proof1)); - assert(StandardMerkleTree.verify(t.root, ['string'], leaf, proof1)); + assert(tree.verify(id, proof1)); + assert(tree.verify(leaf, proof1)); + assert(StandardMerkleTree.verify(tree.root, ['string'], leaf, proof1)); } }); it('rejects invalid proofs', () => { - const { t } = characters('abcdef', opts); - const { t: otherTree } = characters('abc', opts); - const leaf = ['a']; const invalidProof = otherTree.getProof(leaf); - assert(!t.verify(leaf, invalidProof)); - assert(!StandardMerkleTree.verify(t.root, ['string'], leaf, invalidProof)); + assert(!tree.verify(leaf, invalidProof)); + assert(!StandardMerkleTree.verify(tree.root, ['string'], leaf, invalidProof)); }); it('generates valid multiproofs', () => { - const { t, l } = characters('abcdef', opts); - for (const ids of [[], [0, 1], [0, 1, 5], [1, 3, 4, 5], [0, 2, 4, 5], [0, 1, 2, 3, 4, 5]]) { - const proof1 = t.getMultiProof(ids); - const proof2 = t.getMultiProof(ids.map(i => l[i]!)); + const proof1 = tree.getMultiProof(ids); + const proof2 = tree.getMultiProof(ids.map(i => leaves[i]!)); assert.deepEqual(proof1, proof2); - assert(t.verifyMultiProof(proof1)); - assert(StandardMerkleTree.verifyMultiProof(t.root, ['string'], proof1)); + assert(tree.verifyMultiProof(proof1)); + assert(StandardMerkleTree.verifyMultiProof(tree.root, ['string'], proof1)); } }); it('rejects invalid multiproofs', () => { - const { t } = characters('abcdef', opts); - const { t: otherTree } = characters('abc', opts); - - const leaves = [['a'], ['b'], ['c']]; - const multiProof = otherTree.getMultiProof(leaves); + const multiProof = otherTree.getMultiProof([['a'], ['b'], ['c']]); - assert(!t.verifyMultiProof(multiProof)); - assert(!StandardMerkleTree.verifyMultiProof(t.root, ['string'], multiProof)); + assert(!tree.verifyMultiProof(multiProof)); + assert(!StandardMerkleTree.verifyMultiProof(tree.root, ['string'], multiProof)); }); it('renders tree representation', () => { - const { t } = characters('abcdef', opts); - assert.equal( - t.render(), + tree.render(), opts.sortLeaves == false ? [ "0) 23be0977360f08bb0bd7f709a7d543d2cd779c79c66d74e0441919871647de2b", @@ -111,17 +100,15 @@ describe('standard merkle tree', () => { }); it('dump and load', () => { - const { t } = characters('abcdef', opts); - const t2 = StandardMerkleTree.load(t.dump()); + const recoveredTree = StandardMerkleTree.load(tree.dump()); - t2.validate(); - assert.deepEqual(t2, t); + recoveredTree.validate(); + assert.deepEqual(tree, recoveredTree); }); it('reject out of bounds value index', () => { - const { t } = characters('a', opts); assert.throws( - () => t.getProof(1), + () => tree.getProof(leaves.length), /^Error: Index out of bounds$/, ); }); @@ -134,25 +121,25 @@ describe('standard merkle tree', () => { }); it('reject malformed tree dump', () => { - const t1 = StandardMerkleTree.load({ + const loadedTree1 = StandardMerkleTree.load({ format: 'standard-v1', tree: [zero], values: [{ value: ['0'], treeIndex: 0 }], leafEncoding: ['uint256'], }); assert.throws( - () => t1.getProof(0), + () => loadedTree1.getProof(0), /^Error: Merkle tree does not contain the expected value$/, ); - const t2 = StandardMerkleTree.load({ + const loadedTree2 = StandardMerkleTree.load({ format: 'standard-v1', tree: [zero, zero, hex(keccak256(keccak256(zeroBytes)))], values: [{ value: ['0'], treeIndex: 2 }], leafEncoding: ['uint256'], }); assert.throws( - () => t2.getProof(0), + () => loadedTree2.getProof(0), /^Error: Unable to prove value$/, ); }); From a0fc77e323d595553a0246de8c368fba63698711 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 15:00:20 +0100 Subject: [PATCH 04/24] test out-of-order multiproof request --- src/standard.test.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/standard.test.ts b/src/standard.test.ts index f460680..132189d 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -48,7 +48,7 @@ describe('standard merkle tree', () => { }); it('generates valid multiproofs', () => { - for (const ids of [[], [0, 1], [0, 1, 5], [1, 3, 4, 5], [0, 2, 4, 5], [0, 1, 2, 3, 4, 5]]) { + for (const ids of [[], [0, 1], [0, 1, 5], [1, 3, 4, 5], [0, 2, 4, 5], [0, 1, 2, 3, 4, 5], [4, 1, 5, 0, 2]]) { const proof1 = tree.getMultiProof(ids); const proof2 = tree.getMultiProof(ids.map(i => leaves[i]!)); From cba17d514f9157482c45227eb84a338c6403b2af Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 15:19:11 +0100 Subject: [PATCH 05/24] revert --- package-lock.json | 1320 +-------------------------------------------- package.json | 3 - 2 files changed, 6 insertions(+), 1317 deletions(-) diff --git a/package-lock.json b/package-lock.json index 9ea4c9a..a381700 100644 --- a/package-lock.json +++ b/package-lock.json @@ -15,23 +15,12 @@ "devDependencies": { "@types/mocha": "^10.0.0", "c8": "^7.12.0", - "eslint": "^8.55.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", - "prettier": "^3.1.1", "ts-node": "^10.9.1", "typescript": "^4.8.4" } }, - "node_modules/@aashutoshrathi/word-wrap": { - "version": "1.2.6", - "resolved": "https://registry.npmjs.org/@aashutoshrathi/word-wrap/-/word-wrap-1.2.6.tgz", - "integrity": "sha512-1Yjs2SvM8TflER/OD3cOjhWWOZb58A2t7wpE2S9XfBYTiIl+XFhQG2bjy4Pu1I+EAlCNUzRDYDdFwFYUKvXcIA==", - "dev": true, - "engines": { - "node": ">=0.10.0" - } - }, "node_modules/@bcoe/v8-coverage": { "version": "0.2.3", "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz", @@ -50,84 +39,6 @@ "node": ">=12" } }, - "node_modules/@eslint-community/eslint-utils": { - "version": "4.4.0", - "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.4.0.tgz", - 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"uri-js": { - "version": "4.4.1", - "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz", - "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==", - "dev": true, - "requires": { - "punycode": "^2.1.0" - } - }, "v8-compile-cache-lib": { "version": "3.0.1", "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz", diff --git a/package.json b/package.json index c218e6c..f021916 100644 --- a/package.json +++ b/package.json @@ -8,8 +8,6 @@ "prepublishOnly": "npm run clean", "prepare": "tsc", "clean": "rm -rf dist", - "lint": "prettier --check --log-level warn --ignore-path .gitignore 'src/**/*.{js,ts}'", - "lint:fix": "prettier --write --log-level warn --ignore-path .gitignore 'src/**/*.{js,ts}'", "test": "mocha", "coverage": "c8 npm run test --" }, @@ -31,7 +29,6 @@ "c8": "^7.12.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", - "prettier": "^3.1.1", "ts-node": "^10.9.1", "typescript": "^4.8.4" } From 6ba72c28bc7477397fb24574a591783a55c396c8 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 20:51:54 +0100 Subject: [PATCH 06/24] indentation --- src/utils/standard-leaf-hash.ts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/utils/standard-leaf-hash.ts b/src/utils/standard-leaf-hash.ts index 5ac3610..df65671 100644 --- a/src/utils/standard-leaf-hash.ts +++ b/src/utils/standard-leaf-hash.ts @@ -4,5 +4,5 @@ import { defaultAbiCoder } from '@ethersproject/abi'; import { Bytes } from '../bytes'; export function standardLeafHash(value: T, types: string[]): Bytes { - return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types, value)))); - } + return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types, value)))); +} From a1d9805e4d03e888b7a0ff25fe59a9749d808075 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 22:39:42 +0100 Subject: [PATCH 07/24] add support for raw leaves --- src/bytes.ts | 7 +- src/standard.test.ts | 155 +++++++++++++++++++++++++++++--- src/standard.ts | 39 +++++--- src/utils/standard-leaf-hash.ts | 8 -- 4 files changed, 178 insertions(+), 31 deletions(-) delete mode 100644 src/utils/standard-leaf-hash.ts diff --git a/src/bytes.ts b/src/bytes.ts index aed0e0a..b0b4485 100644 --- a/src/bytes.ts +++ b/src/bytes.ts @@ -1,6 +1,7 @@ -import { bytesToHex } from 'ethereum-cryptography/utils'; +import { bytesToHex, hexToBytes } from 'ethereum-cryptography/utils'; export type Bytes = Uint8Array; +export type BytesLike = Bytes | string; export function compareBytes(a: Bytes, b: Bytes): number { const n = Math.min(a.length, b.length); @@ -14,6 +15,10 @@ export function compareBytes(a: Bytes, b: Bytes): number { return a.length - b.length; } +export function toBytes(b: BytesLike) : Bytes { + return typeof b == 'string' ? hexToBytes(b) : b; +} + export function hex(b: Bytes): string { return '0x' + bytesToHex(b); } diff --git a/src/standard.test.ts b/src/standard.test.ts index 132189d..6ebb730 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -1,17 +1,11 @@ import assert from 'assert/strict'; import { keccak256 } from 'ethereum-cryptography/keccak'; import { hex } from './bytes'; -import { StandardMerkleTree, StandardMerkleTreeOptions } from './standard'; +import { StandardMerkleTree } from './standard'; const zeroBytes = new Uint8Array(32); const zero = hex(zeroBytes); -const makeTree = (s: string, opts: StandardMerkleTreeOptions = {}) => { - const l = s.split('').map(c => [c]); - const t = StandardMerkleTree.of(l, ['string'], opts); - return { l, t }; -} - describe('standard merkle tree', () => { for (const opts of [ {}, @@ -19,8 +13,10 @@ describe('standard merkle tree', () => { { sortLeaves: false }, ]) { describe(`with options '${JSON.stringify(opts)}'`, () => { - const { l: leaves, t: tree } = makeTree('abcdef', opts); - const { l: otherLeaves, t: otherTree } = makeTree('abc', opts); + const leaves = 'abcdef'.split('').map(c => [c]); + const otherLeaves = 'abc'.split('').map(c => [c]); + const tree = StandardMerkleTree.of(leaves, [ 'string' ], opts); + const otherTree = StandardMerkleTree.of(otherLeaves, [ 'string' ], opts); it('generates valid single proofs for all leaves', () => { tree.validate(); @@ -40,7 +36,7 @@ describe('standard merkle tree', () => { }); it('rejects invalid proofs', () => { - const leaf = ['a']; + const leaf = leaves[0]!; const invalidProof = otherTree.getProof(leaf); assert(!tree.verify(leaf, invalidProof)); @@ -60,7 +56,7 @@ describe('standard merkle tree', () => { }); it('rejects invalid multiproofs', () => { - const multiProof = otherTree.getMultiProof([['a'], ['b'], ['c']]); + const multiProof = otherTree.getMultiProof(leaves.slice(0,3)); assert(!tree.verifyMultiProof(multiProof)); assert(!StandardMerkleTree.verifyMultiProof(tree.root, ['string'], multiProof)); @@ -146,3 +142,140 @@ describe('standard merkle tree', () => { }); } }); + +describe('standard merkle tree with raw leaves', () => { + for (const opts of [ + {}, + { sortLeaves: true }, + { sortLeaves: false }, + ]) { + describe(`with options '${JSON.stringify(opts)}'`, () => { + const leaves = 'abcdef'.split('').map(c => keccak256(new TextEncoder().encode(c))); + const otherLeaves = 'abc'.split('').map(c => keccak256(new TextEncoder().encode(c))); + const tree = StandardMerkleTree.of(leaves, undefined, opts); + const otherTree = StandardMerkleTree.of(otherLeaves, undefined, opts); + + it('generates valid single proofs for all leaves', () => { + tree.validate(); + }); + + it('generates valid single proofs for all leaves', () => { + for (const [id, leaf] of tree.entries()) { + const proof1 = tree.getProof(id); + const proof2 = tree.getProof(leaf); + + assert.deepEqual(proof1, proof2); + + assert(tree.verify(id, proof1)); + assert(tree.verify(leaf, proof1)); + assert(StandardMerkleTree.verify(tree.root, undefined, leaf, proof1)); + } + }); + + it('rejects invalid proofs', () => { + const leaf = leaves[0]!; + const invalidProof = otherTree.getProof(leaf); + + assert(!tree.verify(leaf, invalidProof)); + assert(!StandardMerkleTree.verify(tree.root, undefined, leaf, invalidProof)); + }); + + it('generates valid multiproofs', () => { + for (const ids of [[], [0, 1], [0, 1, 5], [1, 3, 4, 5], [0, 2, 4, 5], [0, 1, 2, 3, 4, 5], [4, 1, 5, 0, 2]]) { + const proof1 = tree.getMultiProof(ids); + const proof2 = tree.getMultiProof(ids.map(i => leaves[i]!)); + + assert.deepEqual(proof1, proof2); + + assert(tree.verifyMultiProof(proof1)); + assert(StandardMerkleTree.verifyMultiProof(tree.root, undefined, proof1)); + } + }); + + it('rejects invalid multiproofs', () => { + const multiProof = otherTree.getMultiProof(leaves.slice(0, 3)); + + assert(!tree.verifyMultiProof(multiProof)); + assert(!StandardMerkleTree.verifyMultiProof(tree.root, undefined, multiProof)); + }); + + it('renders tree representation', () => { + assert.equal( + tree.render(), + opts.sortLeaves == false + ? [ + "0) 9012f1e18a87790d2e01faace75aaaca38e53df437cdce2c0552464dda4af49c", + "├─ 1) 68203f90e9d07dc5859259d7536e87a6ba9d345f2552b5b9de2999ddce9ce1bf", + "│ ├─ 3) d253a52d4cb00de2895e85f2529e2976e6aaaa5c18106b68ab66813e14415669", + "│ │ ├─ 7) f1918e8562236eb17adc8502332f4c9c82bc14e19bfc0aa10ab674ff75b3d2f3", + "│ │ └─ 8) 0b42b6393c1f53060fe3ddbfcd7aadcca894465a5a438f69c87d790b2299b9b2", + "│ └─ 4) 805b21d846b189efaeb0377d6bb0d201b3872a363e607c25088f025b0c6ae1f8", + "│ ├─ 9) b5553de315e0edf504d9150af82dafa5c4667fa618ed0a6f19c69b41166c5510", + "│ └─ 10) 3ac225168df54212a25c1c01fd35bebfea408fdac2e31ddd6f80a4bbf9a5f1cb", + "└─ 2) f0b49bb4b0d9396e0315755ceafaa280707b32e75e6c9053f5cdf2679dcd5c6a", + " ├─ 5) d1e8aeb79500496ef3dc2e57ba746a8315d048b7a664a2bf948db4fa91960483", + " └─ 6) a8982c89d80987fb9a510e25981ee9170206be21af3c8e0eb312ef1d3382e761", + ].join("\n") + : [ + "0) 1b404f199ea828ec5771fb30139c222d8417a82175fefad5cd42bc3a189bd8d5", + "├─ 1) ec554bdfb01d31fa838d0830339b0e6e8a70e0d55a8f172ffa8bebbf8e8d5ba0", + "│ ├─ 3) 434d51cfeb80272378f4c3a8fd2824561c2cad9fce556ea600d46f20550976a6", + "│ │ ├─ 7) b5553de315e0edf504d9150af82dafa5c4667fa618ed0a6f19c69b41166c5510", + "│ │ └─ 8) a8982c89d80987fb9a510e25981ee9170206be21af3c8e0eb312ef1d3382e761", + "│ └─ 4) 7dea550f679f3caab547cbbc5ee1a4c978c8c039b572ba00af1baa6481b88360", + "│ ├─ 9) 3ac225168df54212a25c1c01fd35bebfea408fdac2e31ddd6f80a4bbf9a5f1cb", + "│ └─ 10) 0b42b6393c1f53060fe3ddbfcd7aadcca894465a5a438f69c87d790b2299b9b2", + "└─ 2) af46af0745b433e1d5bed9a04b1fdf4002f67a733c20db2fca5b2af6120d9bcb", + " ├─ 5) f1918e8562236eb17adc8502332f4c9c82bc14e19bfc0aa10ab674ff75b3d2f3", + " └─ 6) d1e8aeb79500496ef3dc2e57ba746a8315d048b7a664a2bf948db4fa91960483", + ].join("\n"), + ); + }); + + it('dump and load', () => { + const recoveredTree = StandardMerkleTree.load(tree.dump()); + + recoveredTree.validate(); + assert.deepEqual(tree, recoveredTree); + }); + + it('reject out of bounds value index', () => { + assert.throws( + () => tree.getProof(leaves.length), + /^Error: Index out of bounds$/, + ); + }); + + it('reject unrecognized tree dump', () => { + assert.throws( + () => StandardMerkleTree.load({ format: 'nonstandard' } as any), + /^Error: Unknown format 'nonstandard'$/, + ); + }); + + it('reject malformed tree dump', () => { + const loadedTree1 = StandardMerkleTree.load({ + format: 'standard-v1', + tree: [zero], + values: [{ value: ['0'], treeIndex: 0 }], + leafEncoding: ['uint256'], + }); + assert.throws( + () => loadedTree1.getProof(0), + /^Error: Merkle tree does not contain the expected value$/, + ); + + const loadedTree2 = StandardMerkleTree.load({ + format: 'standard-v1', + tree: [zero, zero, hex(keccak256(keccak256(zeroBytes)))], + values: [{ value: ['0'], treeIndex: 2 }], + leafEncoding: ['uint256'], + }); + assert.throws( + () => loadedTree2.getProof(0), + /^Error: Unable to prove value$/, + ); + }); + }); + } +}); diff --git a/src/standard.ts b/src/standard.ts index c80e2d1..1b6ab33 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -1,9 +1,25 @@ import { equalsBytes, hexToBytes } from 'ethereum-cryptography/utils'; -import { Bytes, compareBytes, hex } from './bytes'; +import { keccak256 } from 'ethereum-cryptography/keccak'; +import { defaultAbiCoder } from '@ethersproject/abi'; +import { Bytes, BytesLike, compareBytes, hex, toBytes } from './bytes'; import { getProof, isValidMerkleTree, makeMerkleTree, processProof, renderMerkleTree, MultiProof, getMultiProof, processMultiProof } from './core'; import { checkBounds } from './utils/check-bounds'; import { throwError } from './utils/throw-error'; -import { standardLeafHash } from './utils/standard-leaf-hash'; + +// Types +export type LeafLike = any[] | BytesLike +export type Encoding = T extends any[] ? string[] : undefined; + +// Hashing +function standardLeafHash(value: T, types: Encoding): Bytes { + if (Array.isArray(value)) { + return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types as Encoding, value)))); + } else { + const result = toBytes(value); + if (result.length !== 32) throwError('Invalid leaf length'); + return result; + } +} // MerkleTree building options export type StandardMerkleTreeOptions = Partial<{ @@ -16,23 +32,24 @@ const defaultOptions: Required = { sortLeaves: true, }; -interface StandardMerkleTreeData { +// Dump/Load format +interface StandardMerkleTreeData { format: 'standard-v1'; tree: string[]; values: { value: T; treeIndex: number; }[]; - leafEncoding: string[]; + leafEncoding: Encoding; } -export class StandardMerkleTree { +export class StandardMerkleTree { private readonly hashLookup: { [hash: string]: number }; private constructor( private readonly tree: Bytes[], private readonly values: { value: T, treeIndex: number }[], - private readonly leafEncoding: string[], + private readonly leafEncoding: Encoding, ) { this.hashLookup = Object.fromEntries(values.map(({ value }, valueIndex) => [ @@ -41,7 +58,7 @@ export class StandardMerkleTree { ])); } - static of(values: T[], leafEncoding: string[], options: StandardMerkleTreeOptions = {}) { + static of(values: T[], leafEncoding: Encoding, options: StandardMerkleTreeOptions = {}) { const { sortLeaves } = { ...defaultOptions, ...options }; const hashedValues = values.map((value, valueIndex) => ({ value, valueIndex, hash: standardLeafHash(value, leafEncoding) })); @@ -60,7 +77,7 @@ export class StandardMerkleTree { return new StandardMerkleTree(tree, indexedValues, leafEncoding); } - static load(data: StandardMerkleTreeData): StandardMerkleTree { + static load(data: StandardMerkleTreeData): StandardMerkleTree { if (data.format !== 'standard-v1') { throw new Error(`Unknown format '${data.format}'`); } @@ -71,12 +88,12 @@ export class StandardMerkleTree { ); } - static verify(root: string, leafEncoding: string[], leaf: T, proof: string[]): boolean { + static verify(root: string, leafEncoding: Encoding, leaf: T, proof: string[]): boolean { const impliedRoot = processProof(standardLeafHash(leaf, leafEncoding), proof.map(hexToBytes)); return equalsBytes(impliedRoot, hexToBytes(root)); } - static verifyMultiProof(root: string, leafEncoding: string[], multiproof: MultiProof): boolean { + static verifyMultiProof(root: string, leafEncoding: Encoding, multiproof: MultiProof): boolean { const leafHashes = multiproof.leaves.map(leaf => standardLeafHash(leaf, leafEncoding)); const proofBytes = multiproof.proof.map(hexToBytes); @@ -125,7 +142,7 @@ export class StandardMerkleTree { return hex(standardLeafHash(leaf, this.leafEncoding)); } - leafLookup(leaf: T): number { + leafLookup(leaf:T): number { return this.hashLookup[this.leafHash(leaf)] ?? throwError('Leaf is not in tree'); } diff --git a/src/utils/standard-leaf-hash.ts b/src/utils/standard-leaf-hash.ts deleted file mode 100644 index df65671..0000000 --- a/src/utils/standard-leaf-hash.ts +++ /dev/null @@ -1,8 +0,0 @@ -import { keccak256 } from 'ethereum-cryptography/keccak'; -import { hexToBytes } from 'ethereum-cryptography/utils'; -import { defaultAbiCoder } from '@ethersproject/abi'; -import { Bytes } from '../bytes'; - -export function standardLeafHash(value: T, types: string[]): Bytes { - return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types, value)))); -} From 2eca37fd992b2e628fdee9e924554519b1e2b440 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 22:47:42 +0100 Subject: [PATCH 08/24] refactor --- src/bytes.ts | 4 +- src/core.test.ts | 4 +- src/standard.test.ts | 99 ++++++++++++++++---------------------------- src/standard.ts | 34 +++++++-------- 4 files changed, 56 insertions(+), 85 deletions(-) diff --git a/src/bytes.ts b/src/bytes.ts index b0b4485..68683da 100644 --- a/src/bytes.ts +++ b/src/bytes.ts @@ -19,6 +19,6 @@ export function toBytes(b: BytesLike) : Bytes { return typeof b == 'string' ? hexToBytes(b) : b; } -export function hex(b: Bytes): string { - return '0x' + bytesToHex(b); +export function toHex(b: BytesLike): string { + return '0x' + bytesToHex(toBytes(b)); } diff --git a/src/core.test.ts b/src/core.test.ts index ac83990..3e6a9de 100644 --- a/src/core.test.ts +++ b/src/core.test.ts @@ -2,7 +2,7 @@ import fc from 'fast-check'; import assert from 'assert/strict'; import { equalsBytes } from 'ethereum-cryptography/utils'; import { makeMerkleTree, getProof, processProof, getMultiProof, processMultiProof, isValidMerkleTree, renderMerkleTree } from './core'; -import { compareBytes, hex } from './bytes'; +import { compareBytes, toHex } from './bytes'; import { keccak256 } from 'ethereum-cryptography/keccak'; const zero = new Uint8Array(32); @@ -94,6 +94,6 @@ describe('core error conditions', () => { class PrettyBytes extends Uint8Array { [fc.toStringMethod]() { - return hex(this); + return toHex(this); } } diff --git a/src/standard.test.ts b/src/standard.test.ts index 6ebb730..4275fbf 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -1,10 +1,10 @@ import assert from 'assert/strict'; import { keccak256 } from 'ethereum-cryptography/keccak'; -import { hex } from './bytes'; +import { toHex } from './bytes'; import { StandardMerkleTree } from './standard'; const zeroBytes = new Uint8Array(32); -const zero = hex(zeroBytes); +const zero = toHex(zeroBytes); describe('standard merkle tree', () => { for (const opts of [ @@ -108,37 +108,6 @@ describe('standard merkle tree', () => { /^Error: Index out of bounds$/, ); }); - - it('reject unrecognized tree dump', () => { - assert.throws( - () => StandardMerkleTree.load({ format: 'nonstandard' } as any), - /^Error: Unknown format 'nonstandard'$/, - ); - }); - - it('reject malformed tree dump', () => { - const loadedTree1 = StandardMerkleTree.load({ - format: 'standard-v1', - tree: [zero], - values: [{ value: ['0'], treeIndex: 0 }], - leafEncoding: ['uint256'], - }); - assert.throws( - () => loadedTree1.getProof(0), - /^Error: Merkle tree does not contain the expected value$/, - ); - - const loadedTree2 = StandardMerkleTree.load({ - format: 'standard-v1', - tree: [zero, zero, hex(keccak256(keccak256(zeroBytes)))], - values: [{ value: ['0'], treeIndex: 2 }], - leafEncoding: ['uint256'], - }); - assert.throws( - () => loadedTree2.getProof(0), - /^Error: Unable to prove value$/, - ); - }); }); } }); @@ -245,37 +214,39 @@ describe('standard merkle tree with raw leaves', () => { /^Error: Index out of bounds$/, ); }); - - it('reject unrecognized tree dump', () => { - assert.throws( - () => StandardMerkleTree.load({ format: 'nonstandard' } as any), - /^Error: Unknown format 'nonstandard'$/, - ); - }); - - it('reject malformed tree dump', () => { - const loadedTree1 = StandardMerkleTree.load({ - format: 'standard-v1', - tree: [zero], - values: [{ value: ['0'], treeIndex: 0 }], - leafEncoding: ['uint256'], - }); - assert.throws( - () => loadedTree1.getProof(0), - /^Error: Merkle tree does not contain the expected value$/, - ); - - const loadedTree2 = StandardMerkleTree.load({ - format: 'standard-v1', - tree: [zero, zero, hex(keccak256(keccak256(zeroBytes)))], - values: [{ value: ['0'], treeIndex: 2 }], - leafEncoding: ['uint256'], - }); - assert.throws( - () => loadedTree2.getProof(0), - /^Error: Unable to prove value$/, - ); - }); }); } }); + +describe('tree dumps', () => { + it('reject unrecognized tree dump', () => { + assert.throws( + () => StandardMerkleTree.load({ format: 'nonstandard' } as any), + /^Error: Unknown format 'nonstandard'$/, + ); + }); + + it('reject malformed tree dump', () => { + const loadedTree1 = StandardMerkleTree.load({ + format: 'standard-v1', + tree: [zero], + values: [{ value: ['0'], treeIndex: 0 }], + leafEncoding: ['uint256'], + }); + assert.throws( + () => loadedTree1.getProof(0), + /^Error: Merkle tree does not contain the expected value$/, + ); + + const loadedTree2 = StandardMerkleTree.load({ + format: 'standard-v1', + tree: [zero, zero, toHex(keccak256(keccak256(zeroBytes)))], + values: [{ value: ['0'], treeIndex: 2 }], + leafEncoding: ['uint256'], + }); + assert.throws( + () => loadedTree2.getProof(0), + /^Error: Unable to prove value$/, + ); + }); +}); \ No newline at end of file diff --git a/src/standard.ts b/src/standard.ts index 1b6ab33..4ad91e5 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -1,7 +1,7 @@ -import { equalsBytes, hexToBytes } from 'ethereum-cryptography/utils'; +import { equalsBytes } from 'ethereum-cryptography/utils'; import { keccak256 } from 'ethereum-cryptography/keccak'; import { defaultAbiCoder } from '@ethersproject/abi'; -import { Bytes, BytesLike, compareBytes, hex, toBytes } from './bytes'; +import { Bytes, BytesLike, compareBytes, toHex, toBytes } from './bytes'; import { getProof, isValidMerkleTree, makeMerkleTree, processProof, renderMerkleTree, MultiProof, getMultiProof, processMultiProof } from './core'; import { checkBounds } from './utils/check-bounds'; import { throwError } from './utils/throw-error'; @@ -13,7 +13,7 @@ export type Encoding = T extends any[] ? string[] : undefine // Hashing function standardLeafHash(value: T, types: Encoding): Bytes { if (Array.isArray(value)) { - return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types as Encoding, value)))); + return keccak256(keccak256(toBytes(defaultAbiCoder.encode(types as Encoding, value)))); } else { const result = toBytes(value); if (result.length !== 32) throwError('Invalid leaf length'); @@ -53,7 +53,7 @@ export class StandardMerkleTree { ) { this.hashLookup = Object.fromEntries(values.map(({ value }, valueIndex) => [ - hex(standardLeafHash(value, leafEncoding)), + toHex(standardLeafHash(value, leafEncoding)), valueIndex, ])); } @@ -82,20 +82,20 @@ export class StandardMerkleTree { throw new Error(`Unknown format '${data.format}'`); } return new StandardMerkleTree( - data.tree.map(hexToBytes), + data.tree.map(toBytes), data.values, data.leafEncoding, ); } static verify(root: string, leafEncoding: Encoding, leaf: T, proof: string[]): boolean { - const impliedRoot = processProof(standardLeafHash(leaf, leafEncoding), proof.map(hexToBytes)); - return equalsBytes(impliedRoot, hexToBytes(root)); + const impliedRoot = processProof(standardLeafHash(leaf, leafEncoding), proof.map(toBytes)); + return equalsBytes(impliedRoot, toBytes(root)); } static verifyMultiProof(root: string, leafEncoding: Encoding, multiproof: MultiProof): boolean { const leafHashes = multiproof.leaves.map(leaf => standardLeafHash(leaf, leafEncoding)); - const proofBytes = multiproof.proof.map(hexToBytes); + const proofBytes = multiproof.proof.map(toBytes); const impliedRoot = processMultiProof({ leaves: leafHashes, @@ -103,13 +103,13 @@ export class StandardMerkleTree { proofFlags: multiproof.proofFlags, }); - return equalsBytes(impliedRoot, hexToBytes(root)); + return equalsBytes(impliedRoot, toBytes(root)); } dump(): StandardMerkleTreeData { return { format: 'standard-v1', - tree: this.tree.map(hex), + tree: this.tree.map(toHex), values: this.values, leafEncoding: this.leafEncoding, }; @@ -120,7 +120,7 @@ export class StandardMerkleTree { } get root(): string { - return hex(this.tree[0]!); + return toHex(this.tree[0]!); } *entries(): Iterable<[number, T]> { @@ -139,7 +139,7 @@ export class StandardMerkleTree { } leafHash(leaf: T): string { - return hex(standardLeafHash(leaf, this.leafEncoding)); + return toHex(standardLeafHash(leaf, this.leafEncoding)); } leafLookup(leaf:T): number { @@ -161,7 +161,7 @@ export class StandardMerkleTree { } // return proof in hex format - return proof.map(hex); + return proof.map(toHex); } getMultiProof(leaves: (number | T)[]): MultiProof { @@ -180,14 +180,14 @@ export class StandardMerkleTree { // return multiproof in hex format return { - leaves: proof.leaves.map(hash => this.values[this.hashLookup[hex(hash)]!]!.value), - proof: proof.proof.map(hex), + leaves: proof.leaves.map(hash => this.values[this.hashLookup[toHex(hash)]!]!.value), + proof: proof.proof.map(toHex), proofFlags: proof.proofFlags, } } verify(leaf: number | T, proof: string[]): boolean { - return this._verify(this.getLeafHash(leaf), proof.map(hexToBytes)); + return this._verify(this.getLeafHash(leaf), proof.map(toBytes)); } private _verify(leafHash: Bytes, proof: Bytes[]): boolean { @@ -198,7 +198,7 @@ export class StandardMerkleTree { verifyMultiProof(multiproof: MultiProof): boolean { return this._verifyMultiProof({ leaves: multiproof.leaves.map(l => this.getLeafHash(l)), - proof: multiproof.proof.map(hexToBytes), + proof: multiproof.proof.map(toBytes), proofFlags: multiproof.proofFlags, }); } From 3308aa6dbef4dbc321e210f5c3ade9e026d8e508 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 22:50:57 +0100 Subject: [PATCH 09/24] up --- src/standard.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/standard.ts b/src/standard.ts index 4ad91e5..369ceb1 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -2,7 +2,7 @@ import { equalsBytes } from 'ethereum-cryptography/utils'; import { keccak256 } from 'ethereum-cryptography/keccak'; import { defaultAbiCoder } from '@ethersproject/abi'; import { Bytes, BytesLike, compareBytes, toHex, toBytes } from './bytes'; -import { getProof, isValidMerkleTree, makeMerkleTree, processProof, renderMerkleTree, MultiProof, getMultiProof, processMultiProof } from './core'; +import { MultiProof, makeMerkleTree, isValidMerkleTree, getProof, getMultiProof, processProof, processMultiProof,renderMerkleTree } from './core'; import { checkBounds } from './utils/check-bounds'; import { throwError } from './utils/throw-error'; From 4d5c45c6a1797750f9b055fb77da1fef30f15ca3 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 23:34:02 +0100 Subject: [PATCH 10/24] migrate to ethers --- package-lock.json | 187 ++++++++++++++++++++++++++++++++++++++++--- package.json | 1 + src/bytes.ts | 19 ----- src/core.test.ts | 16 ++-- src/core.ts | 16 ++-- src/standard.test.ts | 21 +++-- src/standard.ts | 65 +++++++-------- 7 files changed, 228 insertions(+), 97 deletions(-) delete mode 100644 src/bytes.ts diff --git a/package-lock.json b/package-lock.json index a381700..e2577c3 100644 --- a/package-lock.json +++ b/package-lock.json @@ -15,12 +15,19 @@ "devDependencies": { "@types/mocha": "^10.0.0", "c8": "^7.12.0", + "ethers": "^6.9.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", "ts-node": "^10.9.1", "typescript": "^4.8.4" } }, + "node_modules/@adraffy/ens-normalize": { + "version": "1.10.0", + "resolved": "https://registry.npmjs.org/@adraffy/ens-normalize/-/ens-normalize-1.10.0.tgz", + "integrity": "sha512-nA9XHtlAkYfJxY7bce8DcN7eKxWWCWkU+1GR9d+U6MbNpfwQp8TI7vqOsBsMcHoT4mBu2kypKoSKnghEzOOq5Q==", + "dev": true + }, "node_modules/@bcoe/v8-coverage": { "version": "0.2.3", "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz", @@ -447,6 +454,30 @@ "@jridgewell/sourcemap-codec": "^1.4.10" } }, + "node_modules/@noble/curves": { + "version": "1.2.0", + "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.2.0.tgz", + "integrity": "sha512-oYclrNgRaM9SsBUBVbb8M6DTV7ZHRTKugureoYEncY5c65HOmRzvSiTE3y5CYaPYJA/GVkrhXEoF0M3Ya9PMnw==", + "dev": true, + "dependencies": { + "@noble/hashes": "1.3.2" + }, + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, + "node_modules/@noble/curves/node_modules/@noble/hashes": { + "version": "1.3.2", + "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.2.tgz", + "integrity": "sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ==", + "dev": true, + "engines": { + "node": ">= 16" + }, + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, "node_modules/@noble/hashes": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz", @@ -548,11 +579,10 @@ "dev": true }, "node_modules/@types/node": { - "version": "18.11.7", - "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.7.tgz", - "integrity": "sha512-LhFTglglr63mNXUSRYD8A+ZAIu5sFqNJ4Y2fPuY7UlrySJH87rRRlhtVmMHplmfk5WkoJGmDjE9oiTfyX94CpQ==", - "dev": true, - "peer": true + "version": "18.15.13", + "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.13.tgz", + "integrity": "sha512-N+0kuo9KgrUQ1Sn/ifDXsvg0TTleP7rIy4zOBGECxAljqvqfqpTfzx0Q1NUedOixRMBfe2Whhb056a42cWs26Q==", + "dev": true }, "node_modules/acorn": { "version": "8.8.1", @@ -575,6 +605,12 @@ "node": ">=0.4.0" } }, + "node_modules/aes-js": { + "version": "4.0.0-beta.5", + "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-4.0.0-beta.5.tgz", + "integrity": "sha512-G965FqalsNyrPqgEGON7nIx1e/OVENSgiEIzyC63haUMuvNnwIgIjMs52hlTCKhkBny7A2ORNlfY9Zu+jmGk1Q==", + "dev": true + }, "node_modules/ansi-colors": { "version": "4.1.1", "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz", @@ -949,6 +985,46 @@ "@scure/bip39": "1.1.0" } }, + "node_modules/ethers": { + "version": "6.9.0", + "resolved": "https://registry.npmjs.org/ethers/-/ethers-6.9.0.tgz", + "integrity": "sha512-pmfNyQzc2mseLe91FnT2vmNaTt8dDzhxZ/xItAV7uGsF4dI4ek2ufMu3rAkgQETL/TIs0GS5A+U05g9QyWnv3Q==", + "dev": true, + "funding": [ + { + "type": "individual", + "url": "https://github.com/sponsors/ethers-io/" + }, + { + "type": "individual", + "url": "https://www.buymeacoffee.com/ricmoo" + } + ], + "dependencies": { + "@adraffy/ens-normalize": "1.10.0", + "@noble/curves": "1.2.0", + "@noble/hashes": "1.3.2", + "@types/node": "18.15.13", + "aes-js": "4.0.0-beta.5", + "tslib": "2.4.0", + "ws": "8.5.0" + }, + "engines": { + "node": ">=14.0.0" + } + }, + "node_modules/ethers/node_modules/@noble/hashes": { + "version": "1.3.2", + "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.2.tgz", + "integrity": "sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ==", + "dev": true, + "engines": { + "node": ">= 16" + }, + "funding": { + "url": "https://paulmillr.com/funding/" + } + }, "node_modules/fast-check": { "version": "3.3.0", "resolved": "https://registry.npmjs.org/fast-check/-/fast-check-3.3.0.tgz", @@ -1797,6 +1873,12 @@ } } }, + "node_modules/tslib": { + "version": "2.4.0", + "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz", + "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==", + "dev": true + }, "node_modules/typescript": { "version": "4.8.4", "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz", @@ -1884,6 +1966,27 @@ "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==", "dev": true }, + "node_modules/ws": { + "version": "8.5.0", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz", + "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==", + "dev": true, + "engines": { + "node": ">=10.0.0" + }, + "peerDependencies": { + "bufferutil": "^4.0.1", + "utf-8-validate": "^5.0.2" + }, + "peerDependenciesMeta": { + "bufferutil": { + "optional": true + }, + "utf-8-validate": { + "optional": true + } + } + }, "node_modules/y18n": { "version": "5.0.8", "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz", @@ -1958,6 +2061,12 @@ } }, "dependencies": { + "@adraffy/ens-normalize": { + "version": "1.10.0", + "resolved": "https://registry.npmjs.org/@adraffy/ens-normalize/-/ens-normalize-1.10.0.tgz", + "integrity": "sha512-nA9XHtlAkYfJxY7bce8DcN7eKxWWCWkU+1GR9d+U6MbNpfwQp8TI7vqOsBsMcHoT4mBu2kypKoSKnghEzOOq5Q==", + "dev": true + }, "@bcoe/v8-coverage": { "version": "0.2.3", "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz", @@ -2195,6 +2304,23 @@ "@jridgewell/sourcemap-codec": "^1.4.10" } }, + "@noble/curves": { + "version": "1.2.0", + "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.2.0.tgz", + "integrity": "sha512-oYclrNgRaM9SsBUBVbb8M6DTV7ZHRTKugureoYEncY5c65HOmRzvSiTE3y5CYaPYJA/GVkrhXEoF0M3Ya9PMnw==", + "dev": true, + "requires": { + "@noble/hashes": "1.3.2" + }, + "dependencies": { + "@noble/hashes": { + "version": "1.3.2", + "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.2.tgz", + "integrity": "sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ==", + "dev": true + } + } + }, "@noble/hashes": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz", @@ -2266,11 +2392,10 @@ "dev": true }, "@types/node": { - "version": "18.11.7", - "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.7.tgz", - "integrity": "sha512-LhFTglglr63mNXUSRYD8A+ZAIu5sFqNJ4Y2fPuY7UlrySJH87rRRlhtVmMHplmfk5WkoJGmDjE9oiTfyX94CpQ==", - "dev": true, - "peer": true + "version": "18.15.13", + "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.13.tgz", + "integrity": "sha512-N+0kuo9KgrUQ1Sn/ifDXsvg0TTleP7rIy4zOBGECxAljqvqfqpTfzx0Q1NUedOixRMBfe2Whhb056a42cWs26Q==", + "dev": true }, "acorn": { "version": "8.8.1", @@ -2284,6 +2409,12 @@ "integrity": "sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==", "dev": true }, + "aes-js": { + "version": "4.0.0-beta.5", + "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-4.0.0-beta.5.tgz", + "integrity": "sha512-G965FqalsNyrPqgEGON7nIx1e/OVENSgiEIzyC63haUMuvNnwIgIjMs52hlTCKhkBny7A2ORNlfY9Zu+jmGk1Q==", + "dev": true + }, "ansi-colors": { "version": "4.1.1", "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz", @@ -2578,6 +2709,29 @@ "@scure/bip39": "1.1.0" } }, + "ethers": { + "version": "6.9.0", + "resolved": "https://registry.npmjs.org/ethers/-/ethers-6.9.0.tgz", + "integrity": "sha512-pmfNyQzc2mseLe91FnT2vmNaTt8dDzhxZ/xItAV7uGsF4dI4ek2ufMu3rAkgQETL/TIs0GS5A+U05g9QyWnv3Q==", + "dev": true, + "requires": { + "@adraffy/ens-normalize": "1.10.0", + "@noble/curves": "1.2.0", + "@noble/hashes": "1.3.2", + "@types/node": "18.15.13", + "aes-js": "4.0.0-beta.5", + "tslib": "2.4.0", + "ws": "8.5.0" + }, + "dependencies": { + "@noble/hashes": { + "version": "1.3.2", + "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.2.tgz", + "integrity": "sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ==", + "dev": true + } + } + }, "fast-check": { "version": "3.3.0", "resolved": "https://registry.npmjs.org/fast-check/-/fast-check-3.3.0.tgz", @@ -3180,6 +3334,12 @@ "yn": "3.1.1" } }, + "tslib": { + "version": "2.4.0", + "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz", + "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==", + "dev": true + }, "typescript": { "version": "4.8.4", "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz", @@ -3247,6 +3407,13 @@ "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==", "dev": true }, + "ws": { + "version": "8.5.0", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz", + "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==", + "dev": true, + "requires": {} + }, "y18n": { "version": "5.0.8", "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz", diff --git a/package.json b/package.json index f021916..793a601 100644 --- a/package.json +++ b/package.json @@ -27,6 +27,7 @@ "devDependencies": { "@types/mocha": "^10.0.0", "c8": "^7.12.0", + "ethers": "^6.9.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", "ts-node": "^10.9.1", diff --git a/src/bytes.ts b/src/bytes.ts deleted file mode 100644 index aed0e0a..0000000 --- a/src/bytes.ts +++ /dev/null @@ -1,19 +0,0 @@ -import { bytesToHex } from 'ethereum-cryptography/utils'; - -export type Bytes = Uint8Array; - -export function compareBytes(a: Bytes, b: Bytes): number { - const n = Math.min(a.length, b.length); - - for (let i = 0; i < n; i++) { - if (a[i] !== b[i]) { - return a[i]! - b[i]!; - } - } - - return a.length - b.length; -} - -export function hex(b: Bytes): string { - return '0x' + bytesToHex(b); -} diff --git a/src/core.test.ts b/src/core.test.ts index ac83990..1bb04e1 100644 --- a/src/core.test.ts +++ b/src/core.test.ts @@ -1,13 +1,9 @@ import fc from 'fast-check'; import assert from 'assert/strict'; -import { equalsBytes } from 'ethereum-cryptography/utils'; +import { ZeroHash as zero, hexlify, keccak256 } from 'ethers'; import { makeMerkleTree, getProof, processProof, getMultiProof, processMultiProof, isValidMerkleTree, renderMerkleTree } from './core'; -import { compareBytes, hex } from './bytes'; -import { keccak256 } from 'ethereum-cryptography/keccak'; -const zero = new Uint8Array(32); - -const leaf = fc.uint8Array({ minLength: 32, maxLength: 32 }).map(x => PrettyBytes.from(x)); +const leaf = fc.uint8Array({ minLength: 32, maxLength: 32 }).map(hexlify); const leaves = fc.array(leaf, { minLength: 1 }); const leavesAndIndex = leaves.chain(xs => fc.tuple(fc.constant(xs), fc.nat({ max: xs.length - 1 }))); const leavesAndIndices = leaves.chain(xs => fc.tuple(fc.constant(xs), fc.uniqueArray(fc.nat({ max: xs.length - 1 })))); @@ -25,7 +21,7 @@ describe('core properties', () => { const proof = getProof(tree, treeIndex); const leaf = leaves[leafIndex]!; const impliedRoot = processProof(leaf, proof); - return equalsBytes(root, impliedRoot); + return root === impliedRoot; }), ); }); @@ -41,7 +37,7 @@ describe('core properties', () => { if (leafIndices.length !== proof.leaves.length) return false; if (leafIndices.some(i => !proof.leaves.includes(leaves[i]!))) return false; const impliedRoot = processMultiProof(proof); - return equalsBytes(root, impliedRoot); + return root === impliedRoot; }), ); }); @@ -79,7 +75,7 @@ describe('core error conditions', () => { const tree = makeMerkleTree([leaf, zero]); const badMultiProof = { - leaves: [128, 129].map(n => keccak256(Uint8Array.of(n))).sort(compareBytes), + leaves: [128, 129].map(n => keccak256(Uint8Array.of(n))).sort(), proof: [leaf, leaf], proofFlags: [true, true, false], }; @@ -94,6 +90,6 @@ describe('core error conditions', () => { class PrettyBytes extends Uint8Array { [fc.toStringMethod]() { - return hex(this); + return hexlify(this); } } diff --git a/src/core.ts b/src/core.ts index a44c405..a7ba0b9 100644 --- a/src/core.ts +++ b/src/core.ts @@ -1,9 +1,9 @@ -import { keccak256 } from 'ethereum-cryptography/keccak'; -import { concatBytes, bytesToHex, equalsBytes } from 'ethereum-cryptography/utils'; -import { Bytes, compareBytes } from './bytes'; +import { keccak256, hexlify, getBytes, concat } from 'ethers'; import { throwError } from './utils/throw-error'; -const hashPair = (a: Bytes, b: Bytes) => keccak256(concatBytes(...[a, b].sort(compareBytes))); +type Bytes = string; + +const hashPair = (a: Bytes, b: Bytes) => keccak256(concat([a, b].map(hexlify).sort())); const leftChildIndex = (i: number) => 2 * i + 1; const rightChildIndex = (i: number) => 2 * i + 2; @@ -13,12 +13,12 @@ const siblingIndex = (i: number) => i > 0 ? i - (-1) ** (i % 2) : throwEr const isTreeNode = (tree: unknown[], i: number) => i >= 0 && i < tree.length; const isInternalNode = (tree: unknown[], i: number) => isTreeNode(tree, leftChildIndex(i)); const isLeafNode = (tree: unknown[], i: number) => isTreeNode(tree, i) && !isInternalNode(tree, i); -const isValidMerkleNode = (node: Bytes) => node instanceof Uint8Array && node.length === 32; +const isValidMerkleNode = (node: Bytes) => getBytes(node).length === 32; const checkTreeNode = (tree: unknown[], i: number) => void (isTreeNode(tree, i) || throwError('Index is not in tree')); const checkInternalNode = (tree: unknown[], i: number) => void (isInternalNode(tree, i) || throwError('Index is not an internal tree node')); const checkLeafNode = (tree: unknown[], i: number) => void (isLeafNode(tree, i) || throwError('Index is not a leaf')); -const checkValidMerkleNode = (node: Bytes) => void (isValidMerkleNode(node) || throwError('Merkle tree nodes must be Uint8Array of length 32')); +const checkValidMerkleNode = (node: Bytes) => void (isValidMerkleNode(node) || throwError('Merkle tree nodes must be Uint8Array of length 32')); export function makeMerkleTree(leaves: Bytes[]): Bytes[] { leaves.forEach(checkValidMerkleNode); @@ -148,7 +148,7 @@ export function isValidMerkleTree(tree: Bytes[]): boolean { if (l < tree.length) { return false; } - } else if (!equalsBytes(node, hashPair(tree[l]!, tree[r]!))) { + } else if (node !== hashPair(tree[l]!, tree[r]!)) { return false; } } @@ -172,7 +172,7 @@ export function renderMerkleTree(tree: Bytes[]): string { path.slice(0, -1).map(p => [' ', '│ '][p]).join('') + path.slice(-1).map(p => ['└─ ', '├─ '][p]).join('') + i + ') ' + - bytesToHex(tree[i]!) + hexlify(tree[i]!) ); if (rightChildIndex(i) < tree.length) { diff --git a/src/standard.test.ts b/src/standard.test.ts index 590d836..1d5618e 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -1,11 +1,7 @@ import assert from 'assert/strict'; -import { keccak256 } from 'ethereum-cryptography/keccak'; -import { hex } from './bytes'; +import { ZeroHash as zero, keccak256 } from 'ethers'; import { StandardMerkleTree } from './standard'; -const zeroBytes = new Uint8Array(32); -const zero = hex(zeroBytes); - const characters = (s: string) => { const l = s.split('').map(c => [c]); const t = StandardMerkleTree.of(l, ['string']); @@ -72,12 +68,13 @@ describe('standard merkle tree', () => { it('renders tree representation', () => { const { t } = characters('abc'); - const expected = `\ -0) f2129b5a697531ef818f644564a6552b35c549722385bc52aa7fe46c0b5f46b1 -├─ 1) fa914d99a18dc32d9725b3ef1c50426deb40ec8d0885dac8edcc5bfd6d030016 -│ ├─ 3) 9c15a6a0eaeed500fd9eed4cbeab71f797cefcc67bfd46683e4d2e6ff7f06d1c -│ └─ 4) 19ba6c6333e0e9a15bf67523e0676e2f23eb8e574092552d5e888c64a4bb3681 -└─ 2) 9cf5a63718145ba968a01c1d557020181c5b252f665cf7386d370eddb176517b`; + const expected = [ + '0) 0xf2129b5a697531ef818f644564a6552b35c549722385bc52aa7fe46c0b5f46b1', + '├─ 1) 0xfa914d99a18dc32d9725b3ef1c50426deb40ec8d0885dac8edcc5bfd6d030016', + '│ ├─ 3) 0x9c15a6a0eaeed500fd9eed4cbeab71f797cefcc67bfd46683e4d2e6ff7f06d1c', + '│ └─ 4) 0x19ba6c6333e0e9a15bf67523e0676e2f23eb8e574092552d5e888c64a4bb3681', + '└─ 2) 0x9cf5a63718145ba968a01c1d557020181c5b252f665cf7386d370eddb176517b', + ].join('\n'); assert.equal(t.render(), expected); }); @@ -119,7 +116,7 @@ describe('standard merkle tree', () => { const t2 = StandardMerkleTree.load({ format: 'standard-v1', - tree: [zero, zero, hex(keccak256(keccak256(zeroBytes)))], + tree: [zero, zero, keccak256(keccak256(zero))], values: [{ value: ['0'], treeIndex: 2 }], leafEncoding: ['uint256'], }); diff --git a/src/standard.ts b/src/standard.ts index 110ad36..9378b5d 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -1,13 +1,10 @@ -import { keccak256 } from 'ethereum-cryptography/keccak'; -import { equalsBytes, hexToBytes } from 'ethereum-cryptography/utils'; -import { defaultAbiCoder } from '@ethersproject/abi'; -import { Bytes, compareBytes, hex } from './bytes'; -import { getProof, isValidMerkleTree, makeMerkleTree, processProof, renderMerkleTree, MultiProof, getMultiProof, processMultiProof } from './core'; +import { AbiCoder, keccak256, hexlify } from 'ethers'; +import { MultiProof, makeMerkleTree, isValidMerkleTree, getProof, getMultiProof, processProof, processMultiProof, renderMerkleTree } from './core'; import { checkBounds } from './utils/check-bounds'; import { throwError } from './utils/throw-error'; -function standardLeafHash(value: T, types: string[]): Bytes { - return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types, value)))); +function standardLeafHash(value: T, types: string[]): string { + return keccak256(keccak256(AbiCoder.defaultAbiCoder().encode(types, value))); } interface StandardMerkleTreeData { @@ -24,13 +21,13 @@ export class StandardMerkleTree { private readonly hashLookup: { [hash: string]: number }; private constructor( - private readonly tree: Bytes[], + private readonly tree: string[], private readonly values: { value: T, treeIndex: number }[], private readonly leafEncoding: string[], ) { this.hashLookup = Object.fromEntries(values.map(({ value }, valueIndex) => [ - hex(standardLeafHash(value, leafEncoding)), + hexlify(standardLeafHash(value, leafEncoding)), valueIndex, ])); } @@ -38,7 +35,7 @@ export class StandardMerkleTree { static of(values: T[], leafEncoding: string[]) { const hashedValues = values .map((value, valueIndex) => ({ value, valueIndex, hash: standardLeafHash(value, leafEncoding) })) - .sort((a, b) => compareBytes(a.hash, b.hash)); + .sort((a, b) => a.hash.localeCompare(b.hash)); const tree = makeMerkleTree(hashedValues.map(v => v.hash)); @@ -55,34 +52,28 @@ export class StandardMerkleTree { throw new Error(`Unknown format '${data.format}'`); } return new StandardMerkleTree( - data.tree.map(hexToBytes), + data.tree, data.values, data.leafEncoding, ); } static verify(root: string, leafEncoding: string[], leaf: T, proof: string[]): boolean { - const impliedRoot = processProof(standardLeafHash(leaf, leafEncoding), proof.map(hexToBytes)); - return equalsBytes(impliedRoot, hexToBytes(root)); + return root === processProof(standardLeafHash(leaf, leafEncoding), proof); } static verifyMultiProof(root: string, leafEncoding: string[], multiproof: MultiProof): boolean { - const leafHashes = multiproof.leaves.map(leaf => standardLeafHash(leaf, leafEncoding)); - const proofBytes = multiproof.proof.map(hexToBytes); - - const impliedRoot = processMultiProof({ - leaves: leafHashes, - proof: proofBytes, + return root === processMultiProof({ + leaves: multiproof.leaves.map(leaf => standardLeafHash(leaf, leafEncoding)), + proof: multiproof.proof, proofFlags: multiproof.proofFlags, }); - - return equalsBytes(impliedRoot, hexToBytes(root)); } dump(): StandardMerkleTreeData { return { format: 'standard-v1', - tree: this.tree.map(hex), + tree: this.tree, values: this.values, leafEncoding: this.leafEncoding, }; @@ -93,7 +84,7 @@ export class StandardMerkleTree { } get root(): string { - return hex(this.tree[0]!); + return this.tree[0]!; } *entries(): Iterable<[number, T]> { @@ -112,7 +103,7 @@ export class StandardMerkleTree { } leafHash(leaf: T): string { - return hex(standardLeafHash(leaf, this.leafEncoding)); + return standardLeafHash(leaf, this.leafEncoding); } leafLookup(leaf: T): number { @@ -134,7 +125,7 @@ export class StandardMerkleTree { } // return proof in hex format - return proof.map(hex); + return proof; } getMultiProof(leaves: (number | T)[]): MultiProof { @@ -153,46 +144,44 @@ export class StandardMerkleTree { // return multiproof in hex format return { - leaves: proof.leaves.map(hash => this.values[this.hashLookup[hex(hash)]!]!.value), - proof: proof.proof.map(hex), + leaves: proof.leaves.map(hash => this.values[this.hashLookup[hash]!]!.value), + proof: proof.proof, proofFlags: proof.proofFlags, } } verify(leaf: number | T, proof: string[]): boolean { - return this._verify(this.getLeafHash(leaf), proof.map(hexToBytes)); + return this._verify(this.getLeafHash(leaf), proof); } - private _verify(leafHash: Bytes, proof: Bytes[]): boolean { - const impliedRoot = processProof(leafHash, proof); - return equalsBytes(impliedRoot, this.tree[0]!); + private _verify(leafHash: string, proof: string[]): boolean { + return this.root === processProof(leafHash, proof); } verifyMultiProof(multiproof: MultiProof): boolean { return this._verifyMultiProof({ leaves: multiproof.leaves.map(l => this.getLeafHash(l)), - proof: multiproof.proof.map(hexToBytes), + proof: multiproof.proof, proofFlags: multiproof.proofFlags, }); } - private _verifyMultiProof(multiproof: MultiProof): boolean { - const impliedRoot = processMultiProof(multiproof); - return equalsBytes(impliedRoot, this.tree[0]!); + private _verifyMultiProof(multiproof: MultiProof): boolean { + return this.root === processMultiProof(multiproof); } - private validateValue(valueIndex: number): Bytes { + private validateValue(valueIndex: number): string { checkBounds(this.values, valueIndex); const { value, treeIndex } = this.values[valueIndex]!; checkBounds(this.tree, treeIndex); const leaf = standardLeafHash(value, this.leafEncoding); - if (!equalsBytes(leaf, this.tree[treeIndex]!)) { + if (leaf !== this.tree[treeIndex]!) { throw new Error('Merkle tree does not contain the expected value'); } return leaf; } - private getLeafHash(leaf: number | T): Bytes { + private getLeafHash(leaf: number | T): string { if (typeof leaf === 'number') { return this.validateValue(leaf); } else { From c0c6301ef270db9aeeb12f3807dfcdb8ad72ec47 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 14 Dec 2023 23:43:17 +0100 Subject: [PATCH 11/24] =?UTF-8?q?core:=20BytesLike=20=E2=86=92=20Bytes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/core.ts | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/src/core.ts b/src/core.ts index a7ba0b9..1e9c2fc 100644 --- a/src/core.ts +++ b/src/core.ts @@ -1,9 +1,10 @@ +import type { BytesLike } from 'ethers'; import { keccak256, hexlify, getBytes, concat } from 'ethers'; import { throwError } from './utils/throw-error'; type Bytes = string; -const hashPair = (a: Bytes, b: Bytes) => keccak256(concat([a, b].map(hexlify).sort())); +const hashPair = (a: BytesLike, b: BytesLike): Bytes => keccak256(concat([a, b].map(hexlify).sort())); const leftChildIndex = (i: number) => 2 * i + 1; const rightChildIndex = (i: number) => 2 * i + 2; @@ -13,14 +14,14 @@ const siblingIndex = (i: number) => i > 0 ? i - (-1) ** (i % 2) : throwEr const isTreeNode = (tree: unknown[], i: number) => i >= 0 && i < tree.length; const isInternalNode = (tree: unknown[], i: number) => isTreeNode(tree, leftChildIndex(i)); const isLeafNode = (tree: unknown[], i: number) => isTreeNode(tree, i) && !isInternalNode(tree, i); -const isValidMerkleNode = (node: Bytes) => getBytes(node).length === 32; +const isValidMerkleNode = (node: BytesLike) => getBytes(node).length === 32; const checkTreeNode = (tree: unknown[], i: number) => void (isTreeNode(tree, i) || throwError('Index is not in tree')); const checkInternalNode = (tree: unknown[], i: number) => void (isInternalNode(tree, i) || throwError('Index is not an internal tree node')); const checkLeafNode = (tree: unknown[], i: number) => void (isLeafNode(tree, i) || throwError('Index is not a leaf')); -const checkValidMerkleNode = (node: Bytes) => void (isValidMerkleNode(node) || throwError('Merkle tree nodes must be Uint8Array of length 32')); +const checkValidMerkleNode = (node: BytesLike) => void (isValidMerkleNode(node) || throwError('Merkle tree nodes must be Uint8Array of length 32')); -export function makeMerkleTree(leaves: Bytes[]): Bytes[] { +export function makeMerkleTree(leaves: BytesLike[]): Bytes[] { leaves.forEach(checkValidMerkleNode); if (leaves.length === 0) { @@ -30,7 +31,7 @@ export function makeMerkleTree(leaves: Bytes[]): Bytes[] { const tree = new Array(2 * leaves.length - 1); for (const [i, leaf] of leaves.entries()) { - tree[tree.length - 1 - i] = leaf; + tree[tree.length - 1 - i] = hexlify(leaf); } for (let i = tree.length - 1 - leaves.length; i >= 0; i--) { tree[i] = hashPair( @@ -42,7 +43,7 @@ export function makeMerkleTree(leaves: Bytes[]): Bytes[] { return tree; } -export function getProof(tree: Bytes[], index: number): Bytes[] { +export function getProof(tree: BytesLike[], index: number): Bytes[] { checkLeafNode(tree, index); const proof = []; @@ -50,14 +51,14 @@ export function getProof(tree: Bytes[], index: number): Bytes[] { proof.push(tree[siblingIndex(index)]!); index = parentIndex(index); } - return proof; + return proof.map(hexlify); } -export function processProof(leaf: Bytes, proof: Bytes[]): Bytes { +export function processProof(leaf: BytesLike, proof: BytesLike[]): Bytes { checkValidMerkleNode(leaf); proof.forEach(checkValidMerkleNode); - return proof.reduce(hashPair, leaf); + return hexlify(proof.reduce(hashPair, leaf)); } export interface MultiProof { @@ -66,7 +67,7 @@ export interface MultiProof { proofFlags: boolean[]; } -export function getMultiProof(tree: Bytes[], indices: number[]): MultiProof { +export function getMultiProof(tree: BytesLike[], indices: number[]): MultiProof { indices.forEach(i => checkLeafNode(tree, i)); indices.sort((a, b) => b - a); @@ -98,13 +99,13 @@ export function getMultiProof(tree: Bytes[], indices: number[]): MultiProof tree[i]!), - proof, + leaves: indices.map(i => tree[i]!).map(hexlify), + proof: proof.map(hexlify), proofFlags, }; } -export function processMultiProof(multiproof: MultiProof): Bytes { +export function processMultiProof(multiproof: MultiProof): Bytes { multiproof.leaves.forEach(checkValidMerkleNode); multiproof.proof.forEach(checkValidMerkleNode); @@ -132,10 +133,10 @@ export function processMultiProof(multiproof: MultiProof): Bytes { throw new Error('Broken invariant'); } - return stack.pop() ?? proof.shift()!; + return hexlify(stack.pop() ?? proof.shift()!); } -export function isValidMerkleTree(tree: Bytes[]): boolean { +export function isValidMerkleTree(tree: BytesLike[]): boolean { for (const [i, node] of tree.entries()) { if (!isValidMerkleNode(node)) { return false; @@ -156,7 +157,7 @@ export function isValidMerkleTree(tree: Bytes[]): boolean { return tree.length > 0; } -export function renderMerkleTree(tree: Bytes[]): string { +export function renderMerkleTree(tree: BytesLike[]): Bytes { if (tree.length === 0) { throw new Error('Expected non-zero number of nodes'); } From 0c7322e86665c710087a130198fa8c7f6931115e Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Sat, 16 Dec 2023 14:49:52 +0100 Subject: [PATCH 12/24] remove dependencies --- package-lock.json | 864 +--------------------------------------------- package.json | 4 +- 2 files changed, 16 insertions(+), 852 deletions(-) diff --git a/package-lock.json b/package-lock.json index e2577c3..44b0945 100644 --- a/package-lock.json +++ b/package-lock.json @@ -9,13 +9,11 @@ "version": "1.0.5", "license": "MIT", "dependencies": { - "@ethersproject/abi": "^5.7.0", - "ethereum-cryptography": "^1.1.2" + "ethers": "^6.9.0" }, "devDependencies": { "@types/mocha": "^10.0.0", "c8": "^7.12.0", - "ethers": "^6.9.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", "ts-node": "^10.9.1", @@ -25,8 +23,7 @@ "node_modules/@adraffy/ens-normalize": { "version": "1.10.0", "resolved": "https://registry.npmjs.org/@adraffy/ens-normalize/-/ens-normalize-1.10.0.tgz", - "integrity": "sha512-nA9XHtlAkYfJxY7bce8DcN7eKxWWCWkU+1GR9d+U6MbNpfwQp8TI7vqOsBsMcHoT4mBu2kypKoSKnghEzOOq5Q==", - "dev": true + "integrity": "sha512-nA9XHtlAkYfJxY7bce8DcN7eKxWWCWkU+1GR9d+U6MbNpfwQp8TI7vqOsBsMcHoT4mBu2kypKoSKnghEzOOq5Q==" }, "node_modules/@bcoe/v8-coverage": { "version": "0.2.3", @@ -46,380 +43,6 @@ "node": ">=12" } }, - "node_modules/@ethersproject/abi": { - "version": "5.7.0", - "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.7.0.tgz", - "integrity": "sha512-351ktp42TiRcYB3H1OP8yajPeAQstMW/yCFokj/AthP9bLHzQFPlOrxOcwYEDkUAICmOHljvN4K39OMTMUa9RA==", - "funding": [ - { - "type": "individual", - "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2" - }, - { - "type": "individual", - "url": "https://www.buymeacoffee.com/ricmoo" - } - ], - "dependencies": { - "@ethersproject/address": "^5.7.0", - "@ethersproject/bignumber": "^5.7.0", - "@ethersproject/bytes": "^5.7.0", - "@ethersproject/constants": "^5.7.0", - "@ethersproject/hash": "^5.7.0", - "@ethersproject/keccak256": "^5.7.0", - "@ethersproject/logger": "^5.7.0", - "@ethersproject/properties": "^5.7.0", - "@ethersproject/strings": "^5.7.0" - } - }, - "node_modules/@ethersproject/abstract-provider": { - "version": "5.7.0", - "resolved": "https://registry.npmjs.org/@ethersproject/abstract-provider/-/abstract-provider-5.7.0.tgz", - "integrity": "sha512-R41c9UkchKCpAqStMYUpdunjo3pkEvZC3FAwZn5S5MGbXoMQOHIdHItezTETxAO5bevtMApSyEhn9+CHcDsWBw==", - "funding": [ - { - "type": "individual", - "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2" - }, - { - "type": "individual", - "url": "https://www.buymeacoffee.com/ricmoo" - } - ], - "dependencies": { - "@ethersproject/bignumber": "^5.7.0", - "@ethersproject/bytes": "^5.7.0", - "@ethersproject/logger": "^5.7.0", - "@ethersproject/networks": "^5.7.0", - "@ethersproject/properties": "^5.7.0", - "@ethersproject/transactions": "^5.7.0", - "@ethersproject/web": "^5.7.0" - } - }, - "node_modules/@ethersproject/abstract-signer": { - "version": "5.7.0", - "resolved": "https://registry.npmjs.org/@ethersproject/abstract-signer/-/abstract-signer-5.7.0.tgz", - "integrity": "sha512-a16V8bq1/Cz+TGCkE2OPMTOUDLS3grCpdjoJCYNnVBbdYEMSgKrU0+B90s8b6H+ByYTBZN7a3g76jdIJi7UfKQ==", - "funding": [ - { - "type": "individual", - "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2" - }, - { - "type": "individual", - "url": "https://www.buymeacoffee.com/ricmoo" - } - ], - "dependencies": { - "@ethersproject/abstract-provider": "^5.7.0", - "@ethersproject/bignumber": "^5.7.0", - "@ethersproject/bytes": "^5.7.0", - "@ethersproject/logger": "^5.7.0", - "@ethersproject/properties": "^5.7.0" - } - }, - "node_modules/@ethersproject/address": { - "version": "5.7.0", - "resolved": "https://registry.npmjs.org/@ethersproject/address/-/address-5.7.0.tgz", - "integrity": "sha512-9wYhYt7aghVGo758POM5nqcOMaE168Q6aRLJZwUmiqSrAungkG74gSSeKEIR7ukixesdRZGPgVqme6vmxs1fkA==", - "funding": [ - { - "type": "individual", - "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2" - }, - { - "type": "individual", - "url": "https://www.buymeacoffee.com/ricmoo" - } - ], - "dependencies": { - "@ethersproject/bignumber": "^5.7.0", - "@ethersproject/bytes": "^5.7.0", - "@ethersproject/keccak256": "^5.7.0", - "@ethersproject/logger": "^5.7.0", - "@ethersproject/rlp": "^5.7.0" - } - }, - "node_modules/@ethersproject/base64": { - "version": "5.7.0", - "resolved": "https://registry.npmjs.org/@ethersproject/base64/-/base64-5.7.0.tgz", - "integrity": "sha512-Dr8tcHt2mEbsZr/mwTPIQAf3Ai0Bks/7gTw9dSqk1mQvhW3XvRlmDJr/4n+wg1JmCl16NZue17CDh8xb/vZ0sQ==", - "funding": [ - { - "type": "individual", - "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2" - }, - { - "type": "individual", - "url": "https://www.buymeacoffee.com/ricmoo" - } - ], - "dependencies": { - "@ethersproject/bytes": "^5.7.0" - } - }, - "node_modules/@ethersproject/bignumber": { - "version": "5.7.0", - "resolved": 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"integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==" + "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==", + "dev": true }, "is-binary-path": { "version": "2.1.0", @@ -2983,11 +2166,6 @@ "istanbul-lib-report": "^3.0.0" } }, - "js-sha3": { - "version": "0.8.0", - "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz", - "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==" - }, "js-yaml": { "version": "4.1.0", "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz", @@ -3031,16 +2209,6 @@ "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==", "dev": true }, - "minimalistic-assert": { - "version": "1.0.1", - "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz", - "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==" - }, - "minimalistic-crypto-utils": { - "version": "1.0.1", - "resolved": "https://registry.npmjs.org/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz", - "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg==" - }, "minimatch": { "version": "5.0.1", "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.0.1.tgz", @@ -3337,8 +2505,7 @@ "tslib": { "version": "2.4.0", "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz", - "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==", - "dev": true + "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==" }, "typescript": { "version": "4.8.4", @@ -3411,7 +2578,6 @@ "version": "8.5.0", "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz", "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==", - "dev": true, "requires": {} }, "y18n": { diff --git a/package.json b/package.json index 793a601..cb48ef2 100644 --- a/package.json +++ b/package.json @@ -21,13 +21,11 @@ "author": "Francisco Giordano ", "license": "MIT", "dependencies": { - "@ethersproject/abi": "^5.7.0", - "ethereum-cryptography": "^1.1.2" + "ethers": "^6.9.0" }, "devDependencies": { "@types/mocha": "^10.0.0", "c8": "^7.12.0", - "ethers": "^6.9.0", "fast-check": "^3.3.0", "mocha": "^10.1.0", "ts-node": "^10.9.1", From e17aff69f25ecc7aa18067d9af4e212600cd7b86 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Sat, 16 Dec 2023 20:08:51 +0100 Subject: [PATCH 13/24] fix compare --- src/core.test.ts | 7 ++++--- src/core.ts | 4 ++-- src/simple.ts | 3 ++- src/standard.ts | 4 ++-- src/types/bytes.ts | 25 +++++++++++++++++-------- 5 files changed, 27 insertions(+), 16 deletions(-) diff --git a/src/core.test.ts b/src/core.test.ts index 0457424..a7995ef 100644 --- a/src/core.test.ts +++ b/src/core.test.ts @@ -1,9 +1,10 @@ import fc from 'fast-check'; import assert from 'assert/strict'; -import { ZeroHash as zero, hexlify, keccak256 } from 'ethers'; +import { ZeroHash as zero, keccak256 } from 'ethers'; import { makeMerkleTree, getProof, processProof, getMultiProof, processMultiProof, isValidMerkleTree, renderMerkleTree } from './core'; +import { toHex, compare } from './types/bytes'; -const leaf = fc.uint8Array({ minLength: 32, maxLength: 32 }).map(hexlify); +const leaf = fc.uint8Array({ minLength: 32, maxLength: 32 }).map(toHex); const leaves = fc.array(leaf, { minLength: 1 }); const leavesAndIndex = leaves.chain(xs => fc.tuple(fc.constant(xs), fc.nat({ max: xs.length - 1 }))); const leavesAndIndices = leaves.chain(xs => fc.tuple(fc.constant(xs), fc.uniqueArray(fc.nat({ max: xs.length - 1 })))); @@ -75,7 +76,7 @@ describe('core error conditions', () => { const tree = makeMerkleTree([leaf, zero]); const badMultiProof = { - leaves: [128, 129].map(n => keccak256(Uint8Array.of(n))).sort(), + leaves: [128, 129].map(n => keccak256(Uint8Array.of(n))).sort(compare), proof: [leaf, leaf], proofFlags: [true, true, false], }; diff --git a/src/core.ts b/src/core.ts index 9a02824..c3064d1 100644 --- a/src/core.ts +++ b/src/core.ts @@ -1,11 +1,11 @@ import type { BytesLike, HexString } from './types/bytes' -import { toHex, toBytes, concat } from './types/bytes'; +import { toHex, toBytes, concat, compare } from './types/bytes'; import { keccak256 } from 'ethers'; import { throwError } from './utils/throw-error'; -const hashPair = (a: BytesLike, b: BytesLike): HexString => keccak256(concat([a, b].map(toHex).sort())); +const hashPair = (a: BytesLike, b: BytesLike): HexString => keccak256(concat([a, b].sort(compare))); const leftChildIndex = (i: number) => 2 * i + 1; const rightChildIndex = (i: number) => 2 * i + 2; diff --git a/src/simple.ts b/src/simple.ts index 09eff84..5c05b4d 100644 --- a/src/simple.ts +++ b/src/simple.ts @@ -3,6 +3,7 @@ import { HexString, isBytesLike, toHex, + compare, } from './types/bytes'; import { @@ -44,7 +45,7 @@ export class SimpleMerkleTree { const hashedValues = values.map((value, valueIndex) => ({ value, valueIndex, hash: toHex(value) })); if (sortLeaves) { - hashedValues.sort((a, b) => a.hash.localeCompare(b.hash)); + hashedValues.sort((a, b) => compare(a.hash, b.hash)); } const tree = makeMerkleTree(hashedValues.map(v => v.hash)); diff --git a/src/standard.ts b/src/standard.ts index 59f1625..d265bf8 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -1,8 +1,8 @@ import { BytesLike, HexString, - isBytesLike, toHex, + compare, } from './types/bytes'; import { @@ -53,7 +53,7 @@ export class StandardMerkleTree { const hashedValues = values.map((value, valueIndex) => ({ value, valueIndex, hash: standardLeafHash(value, leafEncoding) })); if (sortLeaves) { - hashedValues.sort((a, b) => a.hash.localeCompare(b.hash)); + hashedValues.sort((a, b) => compare(a.hash, b.hash)); } const tree = makeMerkleTree(hashedValues.map(v => v.hash)); diff --git a/src/types/bytes.ts b/src/types/bytes.ts index 663db13..a89bcae 100644 --- a/src/types/bytes.ts +++ b/src/types/bytes.ts @@ -1,9 +1,18 @@ -export type { HexString, BytesLike } from 'ethers/lib.commonjs/utils/data'; -export type Bytes = Uint8Array; +import type { HexString, BytesLike } from 'ethers/lib.commonjs/utils/data'; +type Bytes = Uint8Array; -export { - isBytesLike, - getBytes as toBytes, - hexlify as toHex, - concat, -} from 'ethers'; \ No newline at end of file +import { + isBytesLike, + getBytes as toBytes, + hexlify as toHex, + concat, + toBigInt, +} from 'ethers'; + +function compare(a: BytesLike, b: BytesLike): number { + const diff = toBigInt(a) - toBigInt(b); + return diff > 0 ? 1 : diff < 0 ? -1 : 0; +} + +export type { HexString, Bytes, BytesLike }; +export { isBytesLike, toBytes, toHex, concat, compare }; \ No newline at end of file From 440a94f2391967f78cf89d8cb99fd643fdddefe5 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Sat, 16 Dec 2023 21:11:41 +0100 Subject: [PATCH 14/24] mv --- src/{types => }/bytes.ts | 0 src/core.test.ts | 2 +- src/core.ts | 4 ++-- src/{types/data.ts => format.ts} | 0 src/{utils => }/options.ts | 0 src/simple.ts | 6 +++--- src/standard.ts | 6 +++--- 7 files changed, 9 insertions(+), 9 deletions(-) rename src/{types => }/bytes.ts (100%) rename src/{types/data.ts => format.ts} (100%) rename src/{utils => }/options.ts (100%) diff --git a/src/types/bytes.ts b/src/bytes.ts similarity index 100% rename from src/types/bytes.ts rename to src/bytes.ts diff --git a/src/core.test.ts b/src/core.test.ts index a7995ef..4f2605a 100644 --- a/src/core.test.ts +++ b/src/core.test.ts @@ -2,7 +2,7 @@ import fc from 'fast-check'; import assert from 'assert/strict'; import { ZeroHash as zero, keccak256 } from 'ethers'; import { makeMerkleTree, getProof, processProof, getMultiProof, processMultiProof, isValidMerkleTree, renderMerkleTree } from './core'; -import { toHex, compare } from './types/bytes'; +import { toHex, compare } from './bytes'; const leaf = fc.uint8Array({ minLength: 32, maxLength: 32 }).map(toHex); const leaves = fc.array(leaf, { minLength: 1 }); diff --git a/src/core.ts b/src/core.ts index c3064d1..8d5404d 100644 --- a/src/core.ts +++ b/src/core.ts @@ -1,5 +1,5 @@ -import type { BytesLike, HexString } from './types/bytes' -import { toHex, toBytes, concat, compare } from './types/bytes'; +import type { BytesLike, HexString } from './bytes' +import { toHex, toBytes, concat, compare } from './bytes'; import { keccak256 } from 'ethers'; import { throwError } from './utils/throw-error'; diff --git a/src/types/data.ts b/src/format.ts similarity index 100% rename from src/types/data.ts rename to src/format.ts diff --git a/src/utils/options.ts b/src/options.ts similarity index 100% rename from src/utils/options.ts rename to src/options.ts diff --git a/src/simple.ts b/src/simple.ts index 5c05b4d..2729ca5 100644 --- a/src/simple.ts +++ b/src/simple.ts @@ -4,11 +4,11 @@ import { isBytesLike, toHex, compare, -} from './types/bytes'; +} from './bytes'; import { MerkleTreeData, -} from './types/data'; +} from './format'; import { MultiProof, @@ -21,7 +21,7 @@ import { renderMerkleTree } from './core'; -import { MerkleTreeOptions, defaultOptions} from './utils/options'; +import { MerkleTreeOptions, defaultOptions} from './options'; import { checkBounds } from './utils/check-bounds'; import { throwError } from './utils/throw-error'; diff --git a/src/standard.ts b/src/standard.ts index d265bf8..c525adc 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -3,11 +3,11 @@ import { HexString, toHex, compare, -} from './types/bytes'; +} from './bytes'; import { MerkleTreeData, -} from './types/data'; +} from './format'; import { MultiProof, @@ -22,7 +22,7 @@ import { import { AbiCoder, keccak256 } from 'ethers'; -import { MerkleTreeOptions, defaultOptions} from './utils/options'; +import { MerkleTreeOptions, defaultOptions} from './options'; import { checkBounds } from './utils/check-bounds'; import { throwError } from './utils/throw-error'; From 86538f6ac9e0a62f6ded42099f3fab2f375ab78c Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Sat, 16 Dec 2023 21:24:06 +0100 Subject: [PATCH 15/24] add check --- src/simple.ts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/simple.ts b/src/simple.ts index 2729ca5..ebdbf6f 100644 --- a/src/simple.ts +++ b/src/simple.ts @@ -3,6 +3,7 @@ import { HexString, isBytesLike, toHex, + toBytes, compare, } from './bytes'; @@ -42,6 +43,12 @@ export class SimpleMerkleTree { static of(values: BytesLike[], options: MerkleTreeOptions = {}) { const { sortLeaves } = { ...defaultOptions, ...options }; + values.forEach((value, i) => { + if (toBytes(value).length !== 32) { + throwError(`${toHex(value)} is not a valid 32 bytes object (pos: ${i})`); + } + }); + const hashedValues = values.map((value, valueIndex) => ({ value, valueIndex, hash: toHex(value) })); if (sortLeaves) { From b1f1e23fbc517fbf525cbcb4837e53205f622654 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Sat, 16 Dec 2023 21:32:46 +0100 Subject: [PATCH 16/24] minimize diff --- src/bytes.ts | 2 +- src/core.ts | 5 +---- src/format.ts | 2 +- src/options.ts | 2 +- src/standard.test.ts | 2 +- 5 files changed, 5 insertions(+), 8 deletions(-) diff --git a/src/bytes.ts b/src/bytes.ts index a89bcae..b62ad2a 100644 --- a/src/bytes.ts +++ b/src/bytes.ts @@ -15,4 +15,4 @@ function compare(a: BytesLike, b: BytesLike): number { } export type { HexString, Bytes, BytesLike }; -export { isBytesLike, toBytes, toHex, concat, compare }; \ No newline at end of file +export { isBytesLike, toBytes, toHex, concat, compare }; diff --git a/src/core.ts b/src/core.ts index 8d5404d..13aa1ea 100644 --- a/src/core.ts +++ b/src/core.ts @@ -1,10 +1,7 @@ -import type { BytesLike, HexString } from './bytes' -import { toHex, toBytes, concat, compare } from './bytes'; - import { keccak256 } from 'ethers'; +import { BytesLike, HexString, toHex, toBytes, concat, compare } from './bytes'; import { throwError } from './utils/throw-error'; - const hashPair = (a: BytesLike, b: BytesLike): HexString => keccak256(concat([a, b].sort(compare))); const leftChildIndex = (i: number) => 2 * i + 1; diff --git a/src/format.ts b/src/format.ts index 541df5d..aac029c 100644 --- a/src/format.ts +++ b/src/format.ts @@ -8,4 +8,4 @@ export type MerkleTreeData = { value: T; treeIndex: number; }[]; -} \ No newline at end of file +} diff --git a/src/options.ts b/src/options.ts index 1742205..ee5ab2a 100644 --- a/src/options.ts +++ b/src/options.ts @@ -7,4 +7,4 @@ export type MerkleTreeOptions = Partial<{ // This can be disabled for usecases where leaves ordering needs to be preserved export const defaultOptions: Required = { sortLeaves: true, -}; \ No newline at end of file +}; diff --git a/src/standard.test.ts b/src/standard.test.ts index d086d72..00581f1 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -139,4 +139,4 @@ describe('standard merkle tree', () => { ); }); }); -}); \ No newline at end of file +}); From 01a1b982572bc24a1309d6b8faaa5253ef771118 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Mon, 18 Dec 2023 10:56:38 +0100 Subject: [PATCH 17/24] use @ethersproject 5.7 packages --- package-lock.json | 1943 +++++++++++++----------------------------- package.json | 6 +- src/bytes.ts | 15 +- src/core.test.ts | 3 +- src/core.ts | 8 +- src/simple.test.ts | 3 +- src/standard.test.ts | 3 +- src/standard.ts | 5 +- 8 files changed, 638 insertions(+), 1348 deletions(-) diff --git a/package-lock.json b/package-lock.json index 44b0945..dd578a4 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,7 +1,7 @@ { "name": "@openzeppelin/merkle-tree", "version": "1.0.5", - "lockfileVersion": 2, + "lockfileVersion": 3, "requires": true, "packages": { "": { @@ -9,7 +9,11 @@ "version": "1.0.5", "license": "MIT", "dependencies": { - "ethers": "^6.9.0" + "@ethersproject/abi": "^5.7.0", + "@ethersproject/bignumber": "^5.7.0", + "@ethersproject/bytes": "^5.7.0", + "@ethersproject/constants": "^5.7.0", + "@ethersproject/keccak256": "^5.7.0" }, "devDependencies": { "@types/mocha": "^10.0.0", @@ -20,11 +24,6 @@ "typescript": "^4.8.4" } }, - "node_modules/@adraffy/ens-normalize": { - "version": "1.10.0", - "resolved": "https://registry.npmjs.org/@adraffy/ens-normalize/-/ens-normalize-1.10.0.tgz", - "integrity": "sha512-nA9XHtlAkYfJxY7bce8DcN7eKxWWCWkU+1GR9d+U6MbNpfwQp8TI7vqOsBsMcHoT4mBu2kypKoSKnghEzOOq5Q==" - }, "node_modules/@bcoe/v8-coverage": { "version": "0.2.3", "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz", @@ -43,6 +42,380 @@ "node": ">=12" } }, + "node_modules/@ethersproject/abi": { + "version": "5.7.0", + "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.7.0.tgz", + "integrity": 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"resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz", - "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==", - "dev": true - }, - "yocto-queue": { - "version": "0.1.0", - "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz", - "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==", - "dev": true - } } } diff --git a/package.json b/package.json index cb48ef2..c12efec 100644 --- a/package.json +++ b/package.json @@ -21,7 +21,11 @@ "author": "Francisco Giordano ", "license": "MIT", "dependencies": { - "ethers": "^6.9.0" + "@ethersproject/abi": "^5.7.0", + "@ethersproject/bignumber": "^5.7.0", + "@ethersproject/bytes": "^5.7.0", + "@ethersproject/constants": "^5.7.0", + "@ethersproject/keccak256": "^5.7.0" }, "devDependencies": { "@types/mocha": "^10.0.0", diff --git a/src/bytes.ts b/src/bytes.ts index b62ad2a..5f2cb93 100644 --- a/src/bytes.ts +++ b/src/bytes.ts @@ -1,17 +1,18 @@ -import type { HexString, BytesLike } from 'ethers/lib.commonjs/utils/data'; -type Bytes = Uint8Array; +import type { Bytes, BytesLike } from '@ethersproject/bytes'; +type HexString = string; import { isBytesLike, - getBytes as toBytes, + arrayify as toBytes, hexlify as toHex, concat, - toBigInt, -} from 'ethers'; +} from '@ethersproject/bytes'; + +import { BigNumber } from '@ethersproject/bignumber'; function compare(a: BytesLike, b: BytesLike): number { - const diff = toBigInt(a) - toBigInt(b); - return diff > 0 ? 1 : diff < 0 ? -1 : 0; + const diff = BigNumber.from(a).sub(b); + return diff.isZero() ? 0 : diff.isNegative() ? -1 : 1; } export type { HexString, Bytes, BytesLike }; diff --git a/src/core.test.ts b/src/core.test.ts index 4f2605a..737cae6 100644 --- a/src/core.test.ts +++ b/src/core.test.ts @@ -1,6 +1,7 @@ import fc from 'fast-check'; import assert from 'assert/strict'; -import { ZeroHash as zero, keccak256 } from 'ethers'; +import { HashZero as zero } from '@ethersproject/constants'; +import { keccak256 } from '@ethersproject/keccak256'; import { makeMerkleTree, getProof, processProof, getMultiProof, processMultiProof, isValidMerkleTree, renderMerkleTree } from './core'; import { toHex, compare } from './bytes'; diff --git a/src/core.ts b/src/core.ts index 13aa1ea..7bcef4e 100644 --- a/src/core.ts +++ b/src/core.ts @@ -1,4 +1,4 @@ -import { keccak256 } from 'ethers'; +import { keccak256 } from '@ethersproject/keccak256'; import { BytesLike, HexString, toHex, toBytes, concat, compare } from './bytes'; import { throwError } from './utils/throw-error'; @@ -49,7 +49,7 @@ export function getProof(tree: BytesLike[], index: number): HexString[] { proof.push(tree[siblingIndex(index)]!); index = parentIndex(index); } - return proof.map(toHex); + return proof.map(node => toHex(node)); } export function processProof(leaf: BytesLike, proof: BytesLike[]): HexString { @@ -97,8 +97,8 @@ export function getMultiProof(tree: BytesLike[], indices: number[]): MultiProof< } return { - leaves: indices.map(i => tree[i]!).map(toHex), - proof: proof.map(toHex), + leaves: indices.map(i => tree[i]!).map(node => toHex(node)), + proof: proof.map(node => toHex(node)), proofFlags, }; } diff --git a/src/simple.test.ts b/src/simple.test.ts index 6855329..24316ef 100644 --- a/src/simple.test.ts +++ b/src/simple.test.ts @@ -1,5 +1,6 @@ import assert from 'assert/strict'; -import { ZeroHash as zero, keccak256 } from 'ethers'; +import { HashZero as zero } from '@ethersproject/constants'; +import { keccak256 } from '@ethersproject/keccak256'; import { SimpleMerkleTree } from './simple'; describe('simple merkle tree', () => { diff --git a/src/standard.test.ts b/src/standard.test.ts index 00581f1..08219d2 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -1,5 +1,6 @@ import assert from 'assert/strict'; -import { ZeroHash as zero, keccak256 } from 'ethers'; +import { HashZero as zero } from '@ethersproject/constants'; +import { keccak256 } from '@ethersproject/keccak256'; import { StandardMerkleTree } from './standard'; describe('standard merkle tree', () => { diff --git a/src/standard.ts b/src/standard.ts index c525adc..c51855e 100644 --- a/src/standard.ts +++ b/src/standard.ts @@ -20,7 +20,8 @@ import { renderMerkleTree } from './core'; -import { AbiCoder, keccak256 } from 'ethers'; +import { defaultAbiCoder } from '@ethersproject/abi'; +import { keccak256 } from '@ethersproject/keccak256'; import { MerkleTreeOptions, defaultOptions} from './options'; import { checkBounds } from './utils/check-bounds'; @@ -29,7 +30,7 @@ import { throwError } from './utils/throw-error'; export type StandardMerkleTreeData = MerkleTreeData & { leafEncoding: string[] }; export function standardLeafHash(value: T, types: string[]) : HexString { - return keccak256(keccak256(AbiCoder.defaultAbiCoder().encode(types, value))); + return keccak256(keccak256(defaultAbiCoder.encode(types, value))); } export class StandardMerkleTree { From 7e916a5f8d042929c7d4bd626478dcbc0d67740d Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Mon, 18 Dec 2023 21:07:47 +0100 Subject: [PATCH 18/24] use native bigint --- package-lock.json | 1 - package.json | 1 - src/bytes.ts | 6 ++---- 3 files changed, 2 insertions(+), 6 deletions(-) diff --git a/package-lock.json b/package-lock.json index dd578a4..1a7fcb1 100644 --- a/package-lock.json +++ b/package-lock.json @@ -10,7 +10,6 @@ "license": "MIT", "dependencies": { "@ethersproject/abi": "^5.7.0", - "@ethersproject/bignumber": "^5.7.0", "@ethersproject/bytes": "^5.7.0", "@ethersproject/constants": "^5.7.0", "@ethersproject/keccak256": "^5.7.0" diff --git a/package.json b/package.json index c12efec..9d013d0 100644 --- a/package.json +++ b/package.json @@ -22,7 +22,6 @@ "license": "MIT", "dependencies": { "@ethersproject/abi": "^5.7.0", - "@ethersproject/bignumber": "^5.7.0", "@ethersproject/bytes": "^5.7.0", "@ethersproject/constants": "^5.7.0", "@ethersproject/keccak256": "^5.7.0" diff --git a/src/bytes.ts b/src/bytes.ts index 5f2cb93..59378c5 100644 --- a/src/bytes.ts +++ b/src/bytes.ts @@ -8,11 +8,9 @@ import { concat, } from '@ethersproject/bytes'; -import { BigNumber } from '@ethersproject/bignumber'; - function compare(a: BytesLike, b: BytesLike): number { - const diff = BigNumber.from(a).sub(b); - return diff.isZero() ? 0 : diff.isNegative() ? -1 : 1; + const diff = BigInt(toHex(a)) - BigInt(toHex(b)); + return diff > 0 ? 1 : diff < 0 ? -1 : 0; } export type { HexString, Bytes, BytesLike }; From 5defdf4a7447400865d72d4105e1b35e02723a50 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Mon, 18 Dec 2023 21:35:36 +0100 Subject: [PATCH 19/24] Update CHANGELOG.md --- CHANGELOG.md | 1 + 1 file changed, 1 insertion(+) diff --git a/CHANGELOG.md b/CHANGELOG.md index 90fa3fa..a8c2087 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -3,6 +3,7 @@ ## Unreleased - Add an option to disable leaf sorting. +- Added `SimpleMerkleTree` class that supports `bytes32` leaves with no extra hashing. ## 1.0.5 From 134c5456a48d3fe1b3b912ae64a6f9c371b3974e Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Wed, 10 Jan 2024 11:52:13 +0100 Subject: [PATCH 20/24] simplify --- src/simple.test.ts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/simple.test.ts b/src/simple.test.ts index 24316ef..71e51d9 100644 --- a/src/simple.test.ts +++ b/src/simple.test.ts @@ -10,8 +10,8 @@ describe('simple merkle tree', () => { { sortLeaves: false }, ]) { describe(`with options '${JSON.stringify(opts)}'`, () => { - const leaves = 'abcdef'.split('').map(c => keccak256(new TextEncoder().encode(c))); - const otherLeaves = 'abc'.split('').map(c => keccak256(new TextEncoder().encode(c))); + const leaves = 'abcdef'.split('').map(c => keccak256(Buffer.from(c))); + const otherLeaves = 'abc'.split('').map(c => keccak256(Buffer.from(c))); const tree = SimpleMerkleTree.of(leaves, opts); const otherTree = SimpleMerkleTree.of(otherLeaves, opts); From cec2060026efdb29d074f264080257a314bfb0e5 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Wed, 10 Jan 2024 11:59:51 +0100 Subject: [PATCH 21/24] remove unused code --- src/utils/standard-leaf-hash.ts | 8 -------- 1 file changed, 8 deletions(-) delete mode 100644 src/utils/standard-leaf-hash.ts diff --git a/src/utils/standard-leaf-hash.ts b/src/utils/standard-leaf-hash.ts deleted file mode 100644 index df65671..0000000 --- a/src/utils/standard-leaf-hash.ts +++ /dev/null @@ -1,8 +0,0 @@ -import { keccak256 } from 'ethereum-cryptography/keccak'; -import { hexToBytes } from 'ethereum-cryptography/utils'; -import { defaultAbiCoder } from '@ethersproject/abi'; -import { Bytes } from '../bytes'; - -export function standardLeafHash(value: T, types: string[]): Bytes { - return keccak256(keccak256(hexToBytes(defaultAbiCoder.encode(types, value)))); -} From ad1d8431f94d21ada17f156eefc1c63365e36238 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Wed, 10 Jan 2024 12:54:12 +0100 Subject: [PATCH 22/24] add test --- src/simple.test.ts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/simple.test.ts b/src/simple.test.ts index 71e51d9..508016b 100644 --- a/src/simple.test.ts +++ b/src/simple.test.ts @@ -105,6 +105,14 @@ describe('simple merkle tree', () => { /^Error: Index out of bounds$/, ); }); + + it('reject invalid leaf size', () => { + const invalidLeaf = zero + '00'; // 33 bytes (all zero) + assert.throws( + () => SimpleMerkleTree.of([ invalidLeaf ], opts), + `Error: ${invalidLeaf} is not a valid 32 bytes object (pos: 0)`, + ) + }); }); } From ec13d683de7b3e24963d4201630522ae5cd57236 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Wed, 10 Jan 2024 13:21:50 +0100 Subject: [PATCH 23/24] check index.ts exports --- src/index.test.ts | 9 +++++++++ src/index.ts | 3 +++ 2 files changed, 12 insertions(+) create mode 100644 src/index.test.ts diff --git a/src/index.test.ts b/src/index.test.ts new file mode 100644 index 0000000..095cff5 --- /dev/null +++ b/src/index.test.ts @@ -0,0 +1,9 @@ +import assert from 'assert/strict'; +import { SimpleMerkleTree, StandardMerkleTree } from '.'; + +describe('index properties', () => { + it('classes are exported', () => { + assert.notEqual(SimpleMerkleTree, undefined); + assert.notEqual(StandardMerkleTree, undefined); + }); +}); diff --git a/src/index.ts b/src/index.ts index f00f42f..93cfbbb 100644 --- a/src/index.ts +++ b/src/index.ts @@ -1,2 +1,5 @@ +export type { MerkleTreeData } from './format'; +export type { MerkleTreeOptions } from './options'; + export { SimpleMerkleTree } from './simple'; export { StandardMerkleTree } from './standard'; From e0f126c9f7970678bca547f45af1642072c28d91 Mon Sep 17 00:00:00 2001 From: Hadrien Croubois Date: Thu, 22 Feb 2024 16:35:33 +0100 Subject: [PATCH 24/24] split formats --- src/format.ts | 2 +- src/simple.test.ts | 9 +++++++-- src/simple.ts | 8 ++++---- src/standard.test.ts | 5 +++++ 4 files changed, 17 insertions(+), 7 deletions(-) diff --git a/src/format.ts b/src/format.ts index aac029c..515a1b3 100644 --- a/src/format.ts +++ b/src/format.ts @@ -2,7 +2,7 @@ import type { HexString } from "./bytes"; // Dump/Load format export type MerkleTreeData = { - format: 'standard-v1'; + format: 'standard-v1' | 'simple-v1'; tree: HexString[]; values: { value: T; diff --git a/src/simple.test.ts b/src/simple.test.ts index 508016b..2bc53dc 100644 --- a/src/simple.test.ts +++ b/src/simple.test.ts @@ -122,11 +122,16 @@ describe('simple merkle tree', () => { () => SimpleMerkleTree.load({ format: 'nonstandard' } as any), /^Error: Unknown format 'nonstandard'$/, ); + + assert.throws( + () => SimpleMerkleTree.load({ format: 'standard-v1' } as any), + /^Error: Unknown format 'standard-v1'$/, + ); }); it('reject malformed tree dump', () => { const loadedTree1 = SimpleMerkleTree.load({ - format: 'standard-v1', + format: 'simple-v1', tree: [zero], values: [{ value: '0x0000000000000000000000000000000000000000000000000000000000000001', treeIndex: 0 }], }); @@ -136,7 +141,7 @@ describe('simple merkle tree', () => { ); const loadedTree2 = SimpleMerkleTree.load({ - format: 'standard-v1', + format: 'simple-v1', tree: [zero, zero, zero], values: [{ value: zero, treeIndex: 2 }], }); diff --git a/src/simple.ts b/src/simple.ts index ebdbf6f..d15d643 100644 --- a/src/simple.ts +++ b/src/simple.ts @@ -66,7 +66,7 @@ export class SimpleMerkleTree { } static load(data: MerkleTreeData): SimpleMerkleTree { - if (data.format !== 'standard-v1') { + if (data.format !== 'simple-v1') { throwError(`Unknown format '${data.format}'`); } return new SimpleMerkleTree( @@ -89,9 +89,9 @@ export class SimpleMerkleTree { dump(): MerkleTreeData { return { - format: 'standard-v1', - tree: this.tree, - values: this.values, + format: 'simple-v1', + tree: this.tree, + values: this.values, }; } diff --git a/src/standard.test.ts b/src/standard.test.ts index 08219d2..1bbab89 100644 --- a/src/standard.test.ts +++ b/src/standard.test.ts @@ -114,6 +114,11 @@ describe('standard merkle tree', () => { () => StandardMerkleTree.load({ format: 'nonstandard' } as any), /^Error: Unknown format 'nonstandard'$/, ); + + assert.throws( + () => StandardMerkleTree.load({ format: 'simple-v1' } as any), + /^Error: Unknown format 'simple-v1'$/, + ); }); it('reject malformed tree dump', () => {