74 lines
2.2 KiB
JavaScript
74 lines
2.2 KiB
JavaScript
import { defineProperties } from "../utils/index.js";
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import { AbstractSigner } from "./abstract-signer.js";
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/**
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* A **NonceManager** wraps another [[Signer]] and automatically manages
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* the nonce, ensuring serialized and sequential nonces are used during
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* transaction.
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*/
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export class NonceManager extends AbstractSigner {
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/**
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* The Signer being managed.
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*/
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signer;
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#noncePromise;
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#delta;
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/**
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* Creates a new **NonceManager** to manage %%signer%%.
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*/
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constructor(signer) {
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super(signer.provider);
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defineProperties(this, { signer });
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this.#noncePromise = null;
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this.#delta = 0;
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}
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async getAddress() {
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return this.signer.getAddress();
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}
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connect(provider) {
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return new NonceManager(this.signer.connect(provider));
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}
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async getNonce(blockTag) {
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if (blockTag === "pending") {
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if (this.#noncePromise == null) {
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this.#noncePromise = super.getNonce("pending");
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}
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const delta = this.#delta;
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return (await this.#noncePromise) + delta;
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}
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return super.getNonce(blockTag);
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}
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/**
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* Manually increment the nonce. This may be useful when managng
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* offline transactions.
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*/
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increment() {
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this.#delta++;
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}
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/**
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* Resets the nonce, causing the **NonceManager** to reload the current
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* nonce from the blockchain on the next transaction.
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*/
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reset() {
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this.#delta = 0;
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this.#noncePromise = null;
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}
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async sendTransaction(tx) {
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const noncePromise = this.getNonce("pending");
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this.increment();
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tx = await this.signer.populateTransaction(tx);
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tx.nonce = await noncePromise;
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// @TODO: Maybe handle interesting/recoverable errors?
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// Like don't increment if the tx was certainly not sent
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return await this.signer.sendTransaction(tx);
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}
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signTransaction(tx) {
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return this.signer.signTransaction(tx);
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}
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signMessage(message) {
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return this.signer.signMessage(message);
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}
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signTypedData(domain, types, value) {
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return this.signer.signTypedData(domain, types, value);
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}
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}
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//# sourceMappingURL=signer-noncemanager.js.map
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