73 lines
2.2 KiB
TypeScript
73 lines
2.2 KiB
TypeScript
"use strict"
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import { ethers } from "ethers";
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import { version } from "./_version";
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const logger = new ethers.utils.Logger(version);
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export class NonceManager extends ethers.Signer {
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readonly signer: ethers.Signer;
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readonly provider: ethers.providers.Provider;
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_transactionCount: Promise<number>;
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constructor(signer: ethers.Signer) {
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logger.checkNew(new.target, NonceManager);
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super();
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ethers.utils.defineReadOnly(this, "signer", signer);
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}
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connect(provider: ethers.providers.Provider): NonceManager {
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return new NonceManager(this.signer.connect(provider));
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}
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getAddress(): Promise<string> {
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return this.signer.getAddress();
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}
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getTransactionCount(blockTag?: ethers.providers.BlockTag): Promise<number> {
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if (blockTag === "pending") {
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if (!this._transactionCount) {
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this._transactionCount = this.signer.getTransactionCount("pending");
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}
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return this._transactionCount;
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}
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return this.signer.getTransactionCount(blockTag);
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}
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setTransactionCount(transactionCount: ethers.BigNumberish | Promise<ethers.BigNumberish>): void {
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this._transactionCount = Promise.resolve(transactionCount).then((nonce) => {
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return ethers.BigNumber.from(nonce).toNumber();
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});
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}
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incrementTransactionCount(count?: number): void {
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if (!count) { count = 1; }
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this._transactionCount = this.getTransactionCount("pending").then((nonce) => {
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return nonce + count;
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});
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}
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signMessage(message: ethers.Bytes | string): Promise<string> {
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return this.signer.signMessage(message);;
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}
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signTransaction(transaction: ethers.providers.TransactionRequest): Promise<string> {
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return this.signer.signTransaction(transaction);
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}
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sendTransaction(transaction: ethers.providers.TransactionRequest): Promise<ethers.providers.TransactionResponse> {
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if (transaction.nonce == null) {
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transaction = ethers.utils.shallowCopy(transaction);
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transaction.nonce = this.getTransactionCount();
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}
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this.setTransactionCount(transaction.nonce);
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return this.signer.sendTransaction(transaction);
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}
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}
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