@keyban/sdk-base/dist/evm-SFTA44SI.mjs.map

Keyban Javascript SDK provides core functionalities for the MPC wallet solution, supporting web and Node.js apps with TypeScript, custom storage, and Ethereum blockchain integration.

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{\n  type Chain,\n  type ContractFunctionExecutionErrorType,\n  erc20Abi,\n  erc721Abi,\n  EstimateGasExecutionError,\n  getContract,\n  InsufficientFundsError,\n  isAddress,\n  type LocalAccount,\n  type PublicClient,\n  type Transport,\n  type WalletClient,\n} from \"viem\";\n\nimport { SdkError } from \"~/errors\";\nimport {\n  type Address,\n  EstimateERC20TransferParams,\n  EstimateNftTransferParams,\n  FeesEstimation,\n  type Hash,\n  type Hex,\n  KeybanAccount,\n  TransactionOptions,\n  TransferERC20Params,\n  TransferNftParams,\n} from \"~/index\";\nimport { RpcClient } from \"~/rpc\";\n\nconst ERC1155_ABI_TRANSFER_FROM = [\n  {\n    type: \"function\",\n    name: \"safeTransferFrom\",\n    inputs: [\n      { name: \"from\", type: \"address\", internalType: \"address\" },\n      { name: \"to\", type: \"address\", internalType: \"address\" },\n      { name: \"id\", type: \"uint256\", internalType: \"uint256\" },\n      { name: \"value\", type: \"uint256\", internalType: \"uint256\" },\n      { name: \"data\", type: \"bytes\", internalType: \"bytes\" },\n    ],\n    outputs: [],\n    stateMutability: \"nonpayable\",\n  },\n];\n\nexport class KeybanEvmAccount extends KeybanAccount {\n  #publicClient: PublicClient<Transport, Chain>;\n  #walletClient: WalletClient<Transport, Chain, LocalAccount>;\n\n  constructor(\n    rpcClient: RpcClient,\n    publicClient: PublicClient<Transport, Chain>,\n    walletClient: WalletClient<Transport, Chain, LocalAccount>,\n  ) {\n    super(rpcClient);\n\n    this.#publicClient = publicClient;\n    this.#walletClient = walletClient;\n  }\n\n  get address(): Address {\n    return this.#walletClient.account.address.toLowerCase() as Address;\n  }\n\n  get publicKey(): Hex {\n    return this.#walletClient.account.publicKey.toLowerCase() as Hex;\n  }\n\n  async signMessage(message: string): Promise<Hex> {\n    // For now, even EDDSA messages are prefixed with the Ethereum message prefix.\n    // This may need to be updated when the eddsa signer is associated with a specific chain (e.g., Solana).\n    return this.#walletClient.signMessage({ message });\n  }\n\n  async transfer(\n    to: Address,\n    value: bigint,\n    txOptions?: TransactionOptions,\n  ): Promise<Hash> {\n    if (!isAddress(to)) {\n      throw new SdkError(\n        SdkError.types.AddressInvalid,\n        \"KeybanAccount.transfer\",\n      );\n    }\n\n    if (value <= 0n) {\n      throw new SdkError(\n        SdkError.types.AmountInvalid,\n        \"KeybanAccount.transfer\",\n      );\n    }\n\n    return this.#walletClient\n      .sendTransaction({\n        to,\n        value,\n        type: \"eip1559\",\n        maxFeePerGas: txOptions?.maxFeePerGas,\n        maxPriorityFeePerGas: txOptions?.maxPriorityFeePerGas,\n      })\n      .catch((err) => {\n        throw err.cause;\n      });\n  }\n\n  async estimateTransfer(to: Address): Promise<FeesEstimation> {\n    const [{ maxFeePerGas, maxPriorityFeePerGas }, gasCost] = await Promise.all(\n      [\n        this.#publicClient.estimateFeesPerGas({ type: \"eip1559\" }),\n        this.#publicClient.estimateGas({\n          to: to as `0x${string}`,\n          account: this.address as `0x${string}`,\n        }),\n      ],\n    );\n\n    return {\n      maxFees: maxFeePerGas * gasCost,\n      details: {\n        maxFeePerGas,\n        maxPriorityFeePerGas,\n        gasCost,\n      },\n    };\n  }\n\n  async transferERC20(params: TransferERC20Params): Promise<Hash> {\n    const { contractAddress, to, value, txOptions } = params;\n\n    if (!isAddress(to)) {\n      throw new SdkError(\n        SdkError.types.AddressInvalid,\n        \"KeybanAccount.transferERC20\",\n      );\n    }\n    if (!isAddress(contractAddress)) {\n      throw new SdkError(\n        SdkError.types.AddressInvalid,\n        \"KeybanAccount.transferERC20\",\n      );\n    }\n    if (to === this.address) {\n      throw new SdkError(\n        SdkError.types.RecipientAddressEqualsSender,\n        \"KeybanAccount.transferERC20\",\n      );\n    }\n\n    if (value <= 0n) {\n      throw new SdkError(\n        SdkError.types.AmountInvalid,\n        \"KeybanAccount.transferERC20\",\n      );\n    }\n\n    const erc20Contract = getContract({\n      address: contractAddress,\n      abi: erc20Abi,\n      client: {\n        public: this.#publicClient,\n        wallet: this.#walletClient,\n      },\n    });\n\n    return erc20Contract.write\n      .transfer([to, value], txOptions)\n      .catch((err: ContractFunctionExecutionErrorType) => {\n        switch (true) {\n          case err.cause.cause instanceof InsufficientFundsError:\n          case err.cause.cause instanceof EstimateGasExecutionError:\n            throw new SdkError(\n              SdkError.types.InsufficientFunds,\n              \"KeybanAccount.transferERC20\",\n            );\n\n          default:\n            throw err.cause;\n        }\n      });\n  }\n\n  async estimateERC20Transfer(\n    params: EstimateERC20TransferParams,\n  ): Promise<FeesEstimation> {\n    const { contractAddress, to, value } = params;\n    const [{ maxFeePerGas, maxPriorityFeePerGas }, gasCost] = await Promise.all(\n      [\n        this.#publicClient.estimateFeesPerGas({ type: \"eip1559\" }),\n        this.#publicClient.estimateContractGas({\n          address: contractAddress as `0x${string}`,\n          abi: erc20Abi,\n          functionName: \"transfer\",\n          args: [to as `0x${string}`, value],\n          account: this.address as `0x${string}`,\n        }),\n      ],\n    );\n\n    return {\n      maxFees: maxFeePerGas * gasCost,\n      details: {\n        maxFeePerGas,\n        maxPriorityFeePerGas,\n        gasCost,\n      },\n    };\n  }\n\n  async transferNft(params: TransferNftParams): Promise<Hash> {\n    const { contractAddress, tokenId, to, value, standard, txOptions } = params;\n\n    if (!isAddress(to)) {\n      throw new SdkError(\n        SdkError.types.AddressInvalid,\n        \"KeybanAccount.transferNft\",\n      );\n    }\n    if (!isAddress(contractAddress)) {\n      throw new SdkError(\n        SdkError.types.AddressInvalid,\n        \"KeybanAccount.transferNft\",\n      );\n    }\n    if (to === this.address) {\n      throw new SdkError(\n        SdkError.types.RecipientAddressEqualsSender,\n        \"KeybanAccount.transferNft\",\n      );\n    }\n\n    if (standard === \"ERC1155\") {\n      if (value === undefined) {\n        throw new SdkError(\n          SdkError.types.AmountRequired,\n          \"KeybanAccount.transferNft\",\n        );\n      }\n      if (value <= 0n) {\n        throw new SdkError(\n          SdkError.types.AmountInvalid,\n          \"KeybanAccount.transferNft\",\n        );\n      }\n      return this.#transferERC1155({\n        contractAddress,\n        tokenId,\n        value,\n        to,\n        txOptions,\n      });\n    }\n\n    if (standard === \"ERC721\") {\n      if (value !== undefined && value !== 1n) {\n        throw new SdkError(\n          SdkError.types.AmountIrrelevant,\n          \"KeybanAccount.transferNft\",\n        );\n      }\n      return this.#transferERC721({ contractAddress, tokenId, to, txOptions });\n    }\n\n    throw new SdkError(\n      SdkError.types.InvalidNftStandard,\n      \"KeybanAccount.transferNft\",\n    );\n  }\n\n  async #transferERC721({\n    contractAddress,\n    tokenId,\n    to,\n    txOptions,\n  }: Omit<TransferNftParams, \"value\" | \"standard\">): Promise<Hash> {\n    const erc721Contract = getContract({\n      address: contractAddress as `0x${string}`,\n      abi: erc721Abi,\n      client: {\n        public: this.#publicClient,\n        wallet: this.#walletClient,\n      },\n    });\n\n    const from = this.address;\n    return erc721Contract.write\n      .transferFrom(\n        [from as `0x${string}`, to as `0x${string}`, tokenId],\n        txOptions,\n      )\n      .catch((err: ContractFunctionExecutionErrorType) => {\n        switch (true) {\n          case err.cause.cause instanceof InsufficientFundsError:\n          case err.cause.cause instanceof EstimateGasExecutionError:\n            throw new SdkError(\n              SdkError.types.InsufficientFunds,\n              \"KeybanAccount.transferNft\",\n            );\n\n          default:\n            throw err.cause;\n        }\n      });\n  }\n\n  async #transferERC1155({\n    contractAddress,\n    tokenId,\n    value,\n    to,\n    txOptions,\n  }: Omit<TransferNftParams, \"standard\">): Promise<Hash> {\n    const erc1155Contract = getContract({\n      address: contractAddress as `0x${string}`,\n      abi: ERC1155_ABI_TRANSFER_FROM,\n      client: {\n        public: this.#publicClient,\n        wallet: this.#walletClient,\n      },\n    });\n\n    const from = this.address;\n    return erc1155Contract.write\n      .safeTransferFrom([from, to, tokenId, value, \"\"], txOptions)\n      .catch((err: ContractFunctionExecutionErrorType) => {\n        switch (true) {\n          case err.cause.cause instanceof InsufficientFundsError:\n          case err.cause.cause instanceof EstimateGasExecutionError:\n            throw new SdkError(\n              SdkError.types.InsufficientFunds,\n              \"KeybanAccount.transferNft\",\n            );\n\n          default:\n            throw err.cause;\n        }\n      });\n  }\n\n  async estimateNftTransfer(\n    params: EstimateNftTransferParams,\n  ): Promise<FeesEstimation> {\n    const { standard, contractAddress, tokenId, to, value } = params;\n\n    if (standard === \"ERC1155\") {\n      return this.#estimateERC1155Transfer({\n        contractAddress,\n        tokenId,\n        to,\n        value,\n      });\n    }\n    if (standard === \"ERC721\") {\n      if (value !== undefined && value !== 1n) {\n        throw new SdkError(\n          SdkError.types.AmountIrrelevant,\n          \"KeybanAccount.transferNft\",\n        );\n      }\n      return this.#estimateERC721Transfer({ contractAddress, tokenId, to });\n    }\n    throw new SdkError(\n      SdkError.types.InvalidNftStandard,\n      \"KeybanAccount.estimateNftTransfer\",\n    );\n  }\n\n  async #estimateERC721Transfer({\n    contractAddress,\n    tokenId,\n    to,\n  }: Omit<\n    EstimateNftTransferParams,\n    \"standard\" | \"value\"\n  >): Promise<FeesEstimation> {\n    const from = this.address;\n    const [{ maxFeePerGas, maxPriorityFeePerGas }, gasCost] = await Promise.all(\n      [\n        this.#publicClient.estimateFeesPerGas({ type: \"eip1559\" }),\n        this.#publicClient.estimateContractGas({\n          address: contractAddress as `0x${string}`,\n          abi: erc721Abi,\n          functionName: \"transferFrom\",\n          args: [from as `0x${string}`, to as `0x${string}`, tokenId],\n          account: this.address as `0x${string}`,\n        }),\n      ],\n    );\n\n    return {\n      maxFees: maxFeePerGas * gasCost,\n      details: {\n        maxFeePerGas,\n        maxPriorityFeePerGas,\n        gasCost,\n      },\n    };\n  }\n\n  async #estimateERC1155Transfer({\n    contractAddress,\n    tokenId,\n    to,\n    value,\n  }: Omit<EstimateNftTransferParams, \"standard\">): Promise<FeesEstimation> {\n    const from = this.address;\n    const [{ maxFeePerGas, maxPriorityFeePerGas }, gasCost] = await Promise.all(\n      [\n        this.#publicClient.estimateFeesPerGas({ type: \"eip1559\" }),\n        this.#publicClient.estimateContractGas({\n          address: contractAddress as `0x${string}`,\n          abi: ERC1155_ABI_TRANSFER_FROM,\n          functionName: \"safeTransferFrom\",\n          args: [from, to, tokenId, value, \"\"],\n          account: this.address as `0x${string}`,\n        }),\n      ],\n    );\n\n    return {\n      maxFees: maxFeePerGas * gasCost,\n      details: {\n        maxFeePerGas,\n        maxPriorityFeePerGas,\n        gasCost,\n      },\n    };\n  }\n}\n","import type { Chain, PublicClient, Transport } from \"viem\";\nimport {\n  createPublicClient,\n  createWalletClient,\n  hashMessage,\n  hashTypedData,\n  http,\n  keccak256,\n  parseSignature,\n  serializeTransaction,\n} from \"viem\";\nimport { publicKeyToAddress, toAccount } from \"viem/accounts\";\nimport * as chains from \"viem/chains\";\n\nimport { KeybanClientBase, KeybanClientConfig, MetadataConfig } from \"~/client\";\nimport { KeybanEvmAccount } from \"~/evm/account\";\nimport { KeybanNetwork } from \"~/network\";\n\nexport class KeybanEvmClient extends KeybanClientBase {\n  #viem: {\n    chain: Chain;\n    transport: Promise<Transport>;\n    publicClient: Promise<PublicClient<Transport, Chain>>;\n  };\n\n  constructor(\n    config: KeybanClientConfig,\n    metadataConfig?: Promise<MetadataConfig>,\n  ) {\n    super(config, metadataConfig);\n\n    const transport = this.metadataConfig.then((config) =>\n      http(config.network.rpcUrl),\n    );\n\n    const chain = {\n      [KeybanNetwork.EthereumAnvil]: chains.anvil,\n      [KeybanNetwork.PolygonAmoy]: chains.polygonAmoy,\n      [KeybanNetwork.StarknetDevnet]: null,\n      [KeybanNetwork.StarknetSepolia]: null,\n      [KeybanNetwork.StarknetMainnet]: null,\n      [KeybanNetwork.StellarQuickstart]: null,\n      [KeybanNetwork.StellarTestnet]: null,\n      [KeybanNetwork.StellarMainnet]: null,\n    }[this.network]!;\n\n    const publicClient = transport.then((transport) =>\n      createPublicClient({ chain, transport }),\n    );\n\n    this.#viem = { chain, transport, publicClient };\n  }\n\n  async initialize(): Promise<KeybanEvmAccount> {\n    let clientShare = await this.clientShareProvider.get(\"ecdsa\");\n    if (!clientShare) {\n      clientShare = await this.rpcClient.call(\"ecdsa\", \"dkg\");\n      await this.clientShareProvider.set(\"ecdsa\", clientShare);\n    }\n\n    const publicKey = await this.rpcClient.call(\n      \"ecdsa\",\n      \"publicKey\",\n      clientShare,\n    );\n\n    const account = toAccount({\n      address: publicKeyToAddress(publicKey),\n      signMessage: async ({ message }) => {\n        const hash = hashMessage(message, \"hex\");\n        return this.rpcClient.call(\"ecdsa\", \"sign\", clientShare, hash);\n      },\n      signTransaction: async (transaction, options) => {\n        const serializer = options?.serializer ?? serializeTransaction;\n\n        // For EIP-4844 Transactions, we want to sign the transaction payload body (tx_payload_body) without the sidecars (i.e., without the network wrapper).\n        // See: https://github.com/ethereum/EIPs/blob/e00f4daa66bd56e2dbd5f1d36d09fd613811a48b/EIPS/eip-4844.md#networking\n        const signableTransaction =\n          transaction.type === \"eip4844\"\n            ? { ...transaction, sidecars: false }\n            : transaction;\n\n        const signature = await this.rpcClient\n          .call(\n            \"ecdsa\",\n            \"sign\",\n            clientShare,\n            keccak256(serializer(signableTransaction)),\n          )\n          .then(parseSignature);\n\n        return serializer(transaction, signature);\n      },\n      signTypedData: async (typedDataDefinition) => {\n        const hash = hashTypedData(typedDataDefinition);\n        return this.rpcClient.call(\"ecdsa\", \"sign\", clientShare, hash);\n      },\n    });\n\n    // Assign the public key to the account\n    account.publicKey = publicKey;\n\n    const publicClient = await this.#viem.publicClient;\n    const walletClient = createWalletClient({\n      chain: publicClient.chain,\n      transport: await this.#viem.transport,\n      account,\n    });\n\n    return new KeybanEvmAccount(this.rpcClient, publicClient, walletClient);\n  }\n}\n"]}