@mysten/sui/dist/multisig/publickey.mjs.map

Sui TypeScript API

{"version":3,"file":"publickey.mjs","names":["bcs"],"sources":["../../src/multisig/publickey.ts"],"sourcesContent":["// Copyright (c) Mysten Labs, Inc.\n// SPDX-License-Identifier: Apache-2.0\n\nimport { fromBase64, toBase64 } from '@mysten/bcs';\nimport { blake2b } from '@noble/hashes/blake2.js';\nimport { bytesToHex } from '@noble/hashes/utils.js';\n\nimport { bcs } from '../bcs/index.js';\nimport type { Signer } from '../cryptography/keypair.js';\nimport { bytesEqual, PublicKey } from '../cryptography/publickey.js';\nimport {\n\tSIGNATURE_FLAG_TO_SCHEME,\n\tSIGNATURE_SCHEME_TO_FLAG,\n} from '../cryptography/signature-scheme.js';\nimport type { SignatureFlag, SignatureScheme } from '../cryptography/signature-scheme.js';\nimport { parseSerializedSignature } from '../cryptography/signature.js';\nimport { normalizeSuiAddress } from '../utils/sui-types.js';\nimport { publicKeyFromRawBytes } from '../verify/index.js';\nimport { toZkLoginPublicIdentifier } from '../zklogin/publickey.js';\nimport { MultiSigSigner } from './signer.js';\nimport type { ClientWithCoreApi } from '../client/core.js';\n\ntype CompressedSignature =\n\t| { ED25519: Uint8Array }\n\t| { Secp256k1: Uint8Array }\n\t| { Secp256r1: Uint8Array }\n\t| { ZkLogin: Uint8Array }\n\t| { Passkey: Uint8Array };\n\ntype PublicKeyEnum =\n\t| { ED25519: Uint8Array }\n\t| { Secp256k1: Uint8Array }\n\t| { Secp256r1: Uint8Array }\n\t| { ZkLogin: Uint8Array }\n\t| { Passkey: Uint8Array };\n\ntype PubkeyEnumWeightPair = {\n\tpubKey: PublicKeyEnum;\n\tweight: number;\n};\n\ntype MultiSigPublicKeyStruct = {\n\tpk_map: PubkeyEnumWeightPair[];\n\tthreshold: number;\n};\n\nexport type MultiSigStruct = {\n\tsigs: CompressedSignature[];\n\tbitmap: number;\n\tmultisig_pk: MultiSigPublicKeyStruct;\n};\n\ntype ParsedPartialMultiSigSignature = {\n\tsignatureScheme: SignatureScheme;\n\tsignature: Uint8Array;\n\tpublicKey: PublicKey;\n\tweight: number;\n};\n\nexport const MAX_SIGNER_IN_MULTISIG = 10;\nexport const MIN_SIGNER_IN_MULTISIG = 1;\n/**\n * A MultiSig public key\n */\nexport class MultiSigPublicKey extends PublicKey {\n\tprivate rawBytes: Uint8Array<ArrayBuffer>;\n\tprivate multisigPublicKey: MultiSigPublicKeyStruct;\n\tprivate publicKeys: {\n\t\tweight: number;\n\t\tpublicKey: PublicKey;\n\t}[];\n\t/**\n\t * Create a new MultiSigPublicKey object\n\t */\n\tconstructor(\n\t\t/**\n\t\t *  MultiSig public key as buffer or base-64 encoded string\n\t\t */\n\t\tvalue: string | Uint8Array | MultiSigPublicKeyStruct,\n\t\toptions: { client?: ClientWithCoreApi } = {},\n\t) {\n\t\tsuper();\n\n\t\tif (typeof value === 'string') {\n\t\t\tthis.rawBytes = fromBase64(value);\n\n\t\t\tthis.multisigPublicKey = bcs.MultiSigPublicKey.parse(this.rawBytes);\n\t\t} else if (value instanceof Uint8Array) {\n\t\t\tthis.rawBytes = value as Uint8Array<ArrayBuffer>;\n\t\t\tthis.multisigPublicKey = bcs.MultiSigPublicKey.parse(this.rawBytes);\n\t\t} else {\n\t\t\tthis.multisigPublicKey = value;\n\t\t\tthis.rawBytes = bcs.MultiSigPublicKey.serialize(value).toBytes();\n\t\t}\n\t\tif (this.multisigPublicKey.threshold < 1) {\n\t\t\tthrow new Error('Invalid threshold');\n\t\t}\n\n\t\tconst seenPublicKeys = new Set<string>();\n\n\t\tthis.publicKeys = this.multisigPublicKey.pk_map.map(({ pubKey, weight }) => {\n\t\t\tconst [scheme, bytes] = Object.entries(pubKey).filter(([name]) => name !== '$kind')[0] as [\n\t\t\t\tSignatureScheme,\n\t\t\t\tUint8Array,\n\t\t\t];\n\t\t\tconst publicKeyStr = Uint8Array.from(bytes).toString();\n\n\t\t\tif (seenPublicKeys.has(publicKeyStr)) {\n\t\t\t\tthrow new Error(`Multisig does not support duplicate public keys`);\n\t\t\t}\n\t\t\tseenPublicKeys.add(publicKeyStr);\n\n\t\t\tif (weight < 1) {\n\t\t\t\tthrow new Error(`Invalid weight`);\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tpublicKey: publicKeyFromRawBytes(scheme, Uint8Array.from(bytes), options),\n\t\t\t\tweight,\n\t\t\t};\n\t\t});\n\n\t\tconst totalWeight = this.publicKeys.reduce((sum, { weight }) => sum + weight, 0);\n\n\t\tif (this.multisigPublicKey.threshold > totalWeight) {\n\t\t\tthrow new Error(`Unreachable threshold`);\n\t\t}\n\n\t\tif (this.publicKeys.length > MAX_SIGNER_IN_MULTISIG) {\n\t\t\tthrow new Error(`Max number of signers in a multisig is ${MAX_SIGNER_IN_MULTISIG}`);\n\t\t}\n\n\t\tif (this.publicKeys.length < MIN_SIGNER_IN_MULTISIG) {\n\t\t\tthrow new Error(`Min number of signers in a multisig is ${MIN_SIGNER_IN_MULTISIG}`);\n\t\t}\n\t}\n\t/**\n\t * \tA static method to create a new MultiSig publickey instance from a set of public keys and their associated weights pairs and threshold.\n\t */\n\n\tstatic fromPublicKeys({\n\t\tthreshold,\n\t\tpublicKeys,\n\t}: {\n\t\tthreshold: number;\n\t\tpublicKeys: { publicKey: PublicKey; weight: number }[];\n\t}) {\n\t\treturn new MultiSigPublicKey({\n\t\t\tpk_map: publicKeys.map(({ publicKey, weight }) => {\n\t\t\t\tconst scheme = SIGNATURE_FLAG_TO_SCHEME[publicKey.flag() as SignatureFlag];\n\n\t\t\t\treturn {\n\t\t\t\t\tpubKey: { [scheme]: publicKey.toRawBytes() } as PublicKeyEnum,\n\t\t\t\t\tweight,\n\t\t\t\t};\n\t\t\t}),\n\t\t\tthreshold,\n\t\t});\n\t}\n\n\t/**\n\t * Checks if two MultiSig public keys are equal\n\t */\n\toverride equals(publicKey: MultiSigPublicKey): boolean {\n\t\treturn super.equals(publicKey);\n\t}\n\n\t/**\n\t * Return the byte array representation of the MultiSig public key\n\t */\n\ttoRawBytes(): Uint8Array<ArrayBuffer> {\n\t\treturn this.rawBytes;\n\t}\n\n\tgetPublicKeys() {\n\t\treturn this.publicKeys;\n\t}\n\n\tgetThreshold() {\n\t\treturn this.multisigPublicKey.threshold;\n\t}\n\n\tgetSigner(...signers: [signer: Signer]) {\n\t\treturn new MultiSigSigner(this, signers);\n\t}\n\n\t/**\n\t * Return the Sui address associated with this MultiSig public key\n\t */\n\toverride toSuiAddress(): string {\n\t\t// max length = 1 flag byte + (max pk size + max weight size (u8)) * max signer size + 2 threshold bytes (u16)\n\t\tconst maxLength = 1 + (64 + 1) * MAX_SIGNER_IN_MULTISIG + 2;\n\t\tconst tmp = new Uint8Array(maxLength);\n\t\ttmp.set([SIGNATURE_SCHEME_TO_FLAG['MultiSig']]);\n\n\t\ttmp.set(bcs.u16().serialize(this.multisigPublicKey.threshold).toBytes(), 1);\n\t\t// The initial value 3 ensures that following data will be after the flag byte and threshold bytes\n\t\tlet i = 3;\n\t\tfor (const { publicKey, weight } of this.publicKeys) {\n\t\t\tconst bytes = publicKey.toSuiBytes();\n\t\t\ttmp.set(bytes, i);\n\t\t\ti += bytes.length;\n\t\t\ttmp.set([weight], i++);\n\t\t}\n\t\treturn normalizeSuiAddress(bytesToHex(blake2b(tmp.slice(0, i), { dkLen: 32 })));\n\t}\n\n\t/**\n\t * Return the Sui address associated with this MultiSig public key\n\t */\n\tflag(): number {\n\t\treturn SIGNATURE_SCHEME_TO_FLAG['MultiSig'];\n\t}\n\n\t/**\n\t * Verifies that the signature is valid for for the provided message\n\t */\n\tasync verify(message: Uint8Array, multisigSignature: string): Promise<boolean> {\n\t\t// Multisig verification only supports serialized signature\n\t\tconst parsed = parseSerializedSignature(multisigSignature);\n\n\t\tif (parsed.signatureScheme !== 'MultiSig') {\n\t\t\tthrow new Error('Invalid signature scheme');\n\t\t}\n\n\t\tconst { multisig } = parsed;\n\n\t\tlet signatureWeight = 0;\n\n\t\tif (\n\t\t\t!bytesEqual(\n\t\t\t\tbcs.MultiSigPublicKey.serialize(this.multisigPublicKey).toBytes(),\n\t\t\t\tbcs.MultiSigPublicKey.serialize(multisig.multisig_pk).toBytes(),\n\t\t\t)\n\t\t) {\n\t\t\treturn false;\n\t\t}\n\n\t\tfor (const { publicKey, weight, signature } of parsePartialSignatures(multisig)) {\n\t\t\tif (!(await publicKey.verify(message, signature))) {\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\tsignatureWeight += weight;\n\t\t}\n\n\t\treturn signatureWeight >= this.multisigPublicKey.threshold;\n\t}\n\n\t/**\n\t * Combines multiple partial signatures into a single multisig, ensuring that each public key signs only once\n\t * and that all the public keys involved are known and valid, and then serializes multisig into the standard format\n\t */\n\tcombinePartialSignatures(signatures: string[]): string {\n\t\tif (signatures.length > MAX_SIGNER_IN_MULTISIG) {\n\t\t\tthrow new Error(`Max number of signatures in a multisig is ${MAX_SIGNER_IN_MULTISIG}`);\n\t\t}\n\n\t\tlet bitmap = 0;\n\t\tconst compressedSignatures: CompressedSignature[] = new Array(signatures.length);\n\n\t\tfor (let i = 0; i < signatures.length; i++) {\n\t\t\tconst parsed = parseSerializedSignature(signatures[i]);\n\t\t\tif (parsed.signatureScheme === 'MultiSig') {\n\t\t\t\tthrow new Error('MultiSig is not supported inside MultiSig');\n\t\t\t}\n\n\t\t\tlet publicKey;\n\t\t\tif (parsed.signatureScheme === 'ZkLogin') {\n\t\t\t\tpublicKey = toZkLoginPublicIdentifier(parsed.zkLogin?.addressSeed, parsed.zkLogin?.iss, {\n\t\t\t\t\tlegacyAddress: false,\n\t\t\t\t}).toRawBytes();\n\t\t\t} else {\n\t\t\t\tpublicKey = parsed.publicKey;\n\t\t\t}\n\n\t\t\tcompressedSignatures[i] = {\n\t\t\t\t[parsed.signatureScheme]: parsed.signature,\n\t\t\t} as CompressedSignature;\n\n\t\t\tlet publicKeyIndex;\n\t\t\tfor (let j = 0; j < this.publicKeys.length; j++) {\n\t\t\t\tif (bytesEqual(publicKey, this.publicKeys[j].publicKey.toRawBytes())) {\n\t\t\t\t\tif (bitmap & (1 << j)) {\n\t\t\t\t\t\tthrow new Error('Received multiple signatures from the same public key');\n\t\t\t\t\t}\n\n\t\t\t\t\tpublicKeyIndex = j;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (publicKeyIndex === undefined) {\n\t\t\t\tthrow new Error('Received signature from unknown public key');\n\t\t\t}\n\n\t\t\tbitmap |= 1 << publicKeyIndex;\n\t\t}\n\n\t\tconst multisig: MultiSigStruct = {\n\t\t\tsigs: compressedSignatures,\n\t\t\tbitmap,\n\t\t\tmultisig_pk: this.multisigPublicKey,\n\t\t};\n\t\tconst bytes = bcs.MultiSig.serialize(multisig, { maxSize: 8192 }).toBytes();\n\t\tconst tmp = new Uint8Array(bytes.length + 1);\n\t\ttmp.set([SIGNATURE_SCHEME_TO_FLAG['MultiSig']]);\n\t\ttmp.set(bytes, 1);\n\t\treturn toBase64(tmp);\n\t}\n}\n\n/**\n * Parse multisig structure into an array of individual signatures: signature scheme, the actual individual signature, public key and its weight.\n */\nexport function parsePartialSignatures(\n\tmultisig: MultiSigStruct,\n\toptions: { client?: ClientWithCoreApi } = {},\n): ParsedPartialMultiSigSignature[] {\n\tconst res: ParsedPartialMultiSigSignature[] = new Array(multisig.sigs.length);\n\tfor (let i = 0; i < multisig.sigs.length; i++) {\n\t\tconst [signatureScheme, signature] = Object.entries(multisig.sigs[i]).filter(\n\t\t\t([name]) => name !== '$kind',\n\t\t)[0] as [SignatureScheme, Uint8Array];\n\t\tconst pkIndex = asIndices(multisig.bitmap).at(i)!;\n\t\tconst pair = multisig.multisig_pk.pk_map[pkIndex];\n\t\tconst pkBytes = Uint8Array.from(Object.values(pair.pubKey)[0]);\n\n\t\tif (signatureScheme === 'MultiSig') {\n\t\t\tthrow new Error('MultiSig is not supported inside MultiSig');\n\t\t}\n\n\t\tconst publicKey = publicKeyFromRawBytes(signatureScheme, pkBytes, 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