import { getAddress, resolveAddress } from "../address/index.js"; import { hashMessage, TypedDataEncoder } from "../hash/index.js"; import { AbstractSigner } from "../providers/index.js"; import { computeAddress, Transaction } from "../transaction/index.js"; import { defineProperties, resolveProperties, assert, assertArgument } from "../utils/index.js"; /** * The **BaseWallet** is a stream-lined implementation of a * [[Signer]] that operates with a private key. * * It is preferred to use the [[Wallet]] class, as it offers * additional functionality and simplifies loading a variety * of JSON formats, Mnemonic Phrases, etc. * * This class may be of use for those attempting to implement * a minimal Signer. */ export class BaseWallet extends AbstractSigner { /** * The wallet address. */ address; #signingKey; /** * Creates a new BaseWallet for %%privateKey%%, optionally * connected to %%provider%%. * * If %%provider%% is not specified, only offline methods can * be used. */ constructor(privateKey, provider) { super(provider); assertArgument(privateKey && typeof (privateKey.sign) === "function", "invalid private key", "privateKey", "[ REDACTED ]"); this.#signingKey = privateKey; const address = computeAddress(this.signingKey.publicKey); defineProperties(this, { address }); } // Store private values behind getters to reduce visibility // in console.log /** * The [[SigningKey]] used for signing payloads. */ get signingKey() { return this.#signingKey; } /** * The private key for this wallet. */ get privateKey() { return this.signingKey.privateKey; } async getAddress() { return this.address; } connect(provider) { return new BaseWallet(this.#signingKey, provider); } async signTransaction(tx) { // Replace any Addressable or ENS name with an address const { to, from } = await resolveProperties({ to: (tx.to ? resolveAddress(tx.to, this.provider) : undefined), from: (tx.from ? resolveAddress(tx.from, this.provider) : undefined) }); if (to != null) { tx.to = to; } if (from != null) { tx.from = from; } if (tx.from != null) { assertArgument(getAddress((tx.from)) === this.address, "transaction from address mismatch", "tx.from", tx.from); delete tx.from; } // Build the transaction const btx = Transaction.from(tx); btx.signature = this.signingKey.sign(btx.unsignedHash); return btx.serialized; } async signMessage(message) { return this.signMessageSync(message); } // @TODO: Add a secialized signTx and signTyped sync that enforces // all parameters are known? /** * Returns the signature for %%message%% signed with this wallet. */ signMessageSync(message) { return this.signingKey.sign(hashMessage(message)).serialized; } async signTypedData(domain, types, value) { // Populate any ENS names const populated = await TypedDataEncoder.resolveNames(domain, types, value, async (name) => { // @TODO: this should use resolveName; addresses don't // need a provider assert(this.provider != null, "cannot resolve ENS names without a provider", "UNSUPPORTED_OPERATION", { operation: "resolveName", info: { name } }); const address = await this.provider.resolveName(name); assert(address != null, "unconfigured ENS name", "UNCONFIGURED_NAME", { value: name }); return address; }); return this.signingKey.sign(TypedDataEncoder.hash(populated.domain, types, populated.value)).serialized; } } //# sourceMappingURL=base-wallet.js.map