644 lines
21 KiB
JavaScript
644 lines
21 KiB
JavaScript
//import { resolveAddress } from "@ethersproject/address";
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import { defineProperties, getBigInt, getNumber, hexlify, resolveProperties, assertArgument, isError, makeError, throwError } from "../utils/index.js";
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import { accessListify } from "../transaction/index.js";
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const BN_0 = BigInt(0);
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// -----------------------
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function getValue(value) {
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if (value == null) {
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return null;
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}
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return value;
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}
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function toJson(value) {
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if (value == null) {
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return null;
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}
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return value.toString();
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}
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// @TODO? <T extends FeeData = { }> implements Required<T>
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export class FeeData {
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gasPrice;
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maxFeePerGas;
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maxPriorityFeePerGas;
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constructor(gasPrice, maxFeePerGas, maxPriorityFeePerGas) {
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defineProperties(this, {
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gasPrice: getValue(gasPrice),
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maxFeePerGas: getValue(maxFeePerGas),
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maxPriorityFeePerGas: getValue(maxPriorityFeePerGas)
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});
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}
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toJSON() {
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const { gasPrice, maxFeePerGas, maxPriorityFeePerGas } = this;
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return {
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_type: "FeeData",
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gasPrice: toJson(gasPrice),
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maxFeePerGas: toJson(maxFeePerGas),
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maxPriorityFeePerGas: toJson(maxPriorityFeePerGas),
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};
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}
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}
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;
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export function copyRequest(req) {
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const result = {};
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// These could be addresses, ENS names or Addressables
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if (req.to) {
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result.to = req.to;
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}
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if (req.from) {
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result.from = req.from;
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}
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if (req.data) {
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result.data = hexlify(req.data);
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}
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const bigIntKeys = "chainId,gasLimit,gasPrice,maxFeePerGas, maxPriorityFeePerGas,value".split(/,/);
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for (const key of bigIntKeys) {
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if (!(key in req) || req[key] == null) {
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continue;
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}
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result[key] = getBigInt(req[key], `request.${key}`);
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}
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const numberKeys = "type,nonce".split(/,/);
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for (const key of numberKeys) {
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if (!(key in req) || req[key] == null) {
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continue;
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}
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result[key] = getNumber(req[key], `request.${key}`);
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}
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if (req.accessList) {
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result.accessList = accessListify(req.accessList);
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}
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if ("blockTag" in req) {
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result.blockTag = req.blockTag;
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}
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if ("enableCcipRead" in req) {
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result.enableCcipReadEnabled = !!req.enableCcipRead;
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}
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if ("customData" in req) {
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result.customData = req.customData;
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}
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return result;
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}
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;
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export class Block {
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provider;
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number;
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hash;
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timestamp;
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parentHash;
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nonce;
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difficulty;
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gasLimit;
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gasUsed;
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miner;
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extraData;
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baseFeePerGas;
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#transactions;
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constructor(block, provider) {
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this.#transactions = Object.freeze(block.transactions.map((tx) => {
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if (typeof (tx) !== "string" && tx.provider !== provider) {
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return (new TransactionResponse(tx, provider));
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}
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return tx;
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}));
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;
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defineProperties(this, {
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provider,
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hash: getValue(block.hash),
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number: block.number,
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timestamp: block.timestamp,
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parentHash: block.parentHash,
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nonce: block.nonce,
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difficulty: block.difficulty,
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gasLimit: block.gasLimit,
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gasUsed: block.gasUsed,
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miner: block.miner,
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extraData: block.extraData,
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baseFeePerGas: getValue(block.baseFeePerGas)
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});
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}
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get transactions() { return this.#transactions; }
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//connect(provider: Provider): Block<T> {
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// return new Block(this, provider);
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//}
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toJSON() {
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const { baseFeePerGas, difficulty, extraData, gasLimit, gasUsed, hash, miner, nonce, number, parentHash, timestamp, transactions } = this;
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return {
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_type: "Block",
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baseFeePerGas: toJson(baseFeePerGas),
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difficulty: toJson(difficulty),
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extraData,
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gasLimit: toJson(gasLimit),
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gasUsed: toJson(gasUsed),
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hash, miner, nonce, number, parentHash, timestamp,
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transactions,
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};
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}
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[Symbol.iterator]() {
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let index = 0;
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return {
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next: () => {
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if (index < this.length) {
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return {
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value: this.transactions[index++], done: false
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};
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}
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return { value: undefined, done: true };
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}
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};
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}
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get length() { return this.transactions.length; }
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get date() {
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if (this.timestamp == null) {
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return null;
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}
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return new Date(this.timestamp * 1000);
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}
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async getTransaction(index) {
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const tx = this.transactions[index];
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if (tx == null) {
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throw new Error("no such tx");
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}
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if (typeof (tx) === "string") {
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return (await this.provider.getTransaction(tx));
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}
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else {
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return tx;
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}
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}
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isMined() { return !!this.hash; }
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isLondon() {
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return !!this.baseFeePerGas;
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}
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orphanedEvent() {
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if (!this.isMined()) {
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throw new Error("");
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}
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return createOrphanedBlockFilter(this);
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}
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}
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export class Log {
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provider;
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transactionHash;
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blockHash;
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blockNumber;
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removed;
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address;
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data;
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topics;
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index;
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transactionIndex;
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constructor(log, provider) {
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this.provider = provider;
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const topics = Object.freeze(log.topics.slice());
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defineProperties(this, {
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transactionHash: log.transactionHash,
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blockHash: log.blockHash,
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blockNumber: log.blockNumber,
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removed: log.removed,
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address: log.address,
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data: log.data,
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topics,
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index: log.index,
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transactionIndex: log.transactionIndex,
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});
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}
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//connect(provider: Provider): Log {
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// return new Log(this, provider);
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//}
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toJSON() {
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const { address, blockHash, blockNumber, data, index, removed, topics, transactionHash, transactionIndex } = this;
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return {
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_type: "log",
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address, blockHash, blockNumber, data, index,
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removed, topics, transactionHash, transactionIndex
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};
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}
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async getBlock() {
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return (await this.provider.getBlock(this.blockHash));
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}
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async getTransaction() {
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return (await this.provider.getTransaction(this.transactionHash));
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}
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async getTransactionReceipt() {
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return (await this.provider.getTransactionReceipt(this.transactionHash));
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}
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removedEvent() {
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return createRemovedLogFilter(this);
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}
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}
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/*
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export interface LegacyTransactionReceipt {
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byzantium: false;
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status: null;
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root: string;
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}
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export interface ByzantiumTransactionReceipt {
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byzantium: true;
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status: number;
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root: null;
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}
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*/
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export class TransactionReceipt {
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provider;
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to;
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from;
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contractAddress;
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hash;
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index;
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blockHash;
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blockNumber;
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logsBloom;
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gasUsed;
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cumulativeGasUsed;
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gasPrice;
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type;
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//readonly byzantium!: boolean;
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status;
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root;
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#logs;
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constructor(tx, provider) {
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this.#logs = Object.freeze(tx.logs.map((log) => {
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return new Log(log, provider);
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}));
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defineProperties(this, {
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provider,
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to: tx.to,
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from: tx.from,
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contractAddress: tx.contractAddress,
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hash: tx.hash,
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index: tx.index,
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blockHash: tx.blockHash,
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blockNumber: tx.blockNumber,
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logsBloom: tx.logsBloom,
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gasUsed: tx.gasUsed,
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cumulativeGasUsed: tx.cumulativeGasUsed,
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gasPrice: (tx.effectiveGasPrice || tx.gasPrice),
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type: tx.type,
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//byzantium: tx.byzantium,
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status: tx.status,
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root: tx.root
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});
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}
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get logs() { return this.#logs; }
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//connect(provider: Provider): TransactionReceipt {
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// return new TransactionReceipt(this, provider);
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//}
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toJSON() {
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const { to, from, contractAddress, hash, index, blockHash, blockNumber, logsBloom, logs, //byzantium,
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status, root } = this;
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return {
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_type: "TransactionReceipt",
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blockHash, blockNumber,
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//byzantium,
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contractAddress,
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cumulativeGasUsed: toJson(this.cumulativeGasUsed),
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from,
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gasPrice: toJson(this.gasPrice),
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gasUsed: toJson(this.gasUsed),
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hash, index, logs, logsBloom, root, status, to
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};
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}
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get length() { return this.logs.length; }
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[Symbol.iterator]() {
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let index = 0;
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return {
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next: () => {
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if (index < this.length) {
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return { value: this.logs[index++], done: false };
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}
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return { value: undefined, done: true };
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}
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};
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}
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get fee() {
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return this.gasUsed * this.gasPrice;
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}
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async getBlock() {
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const block = await this.provider.getBlock(this.blockHash);
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if (block == null) {
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throw new Error("TODO");
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}
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return block;
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}
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async getTransaction() {
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const tx = await this.provider.getTransaction(this.hash);
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if (tx == null) {
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throw new Error("TODO");
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}
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return tx;
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}
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async getResult() {
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return (await this.provider.getTransactionResult(this.hash));
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}
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async confirmations() {
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return (await this.provider.getBlockNumber()) - this.blockNumber + 1;
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}
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removedEvent() {
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return createRemovedTransactionFilter(this);
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}
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reorderedEvent(other) {
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if (other && !other.isMined()) {
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return throwError("unmined 'other' transction cannot be orphaned", "UNSUPPORTED_OPERATION", {
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operation: "reorderedEvent(other)"
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});
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}
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return createReorderedTransactionFilter(this, other);
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}
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}
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;
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export class TransactionResponse {
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provider;
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blockNumber;
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blockHash;
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index;
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hash;
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type;
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to;
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from;
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nonce;
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gasLimit;
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gasPrice;
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maxPriorityFeePerGas;
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maxFeePerGas;
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data;
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value;
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chainId;
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signature;
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accessList;
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#startBlock;
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constructor(tx, provider) {
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this.provider = provider;
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this.blockNumber = (tx.blockNumber != null) ? tx.blockNumber : null;
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this.blockHash = (tx.blockHash != null) ? tx.blockHash : null;
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this.hash = tx.hash;
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this.index = tx.index;
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this.type = tx.type;
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this.from = tx.from;
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this.to = tx.to || null;
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this.gasLimit = tx.gasLimit;
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this.nonce = tx.nonce;
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this.data = tx.data;
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this.value = tx.value;
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this.gasPrice = tx.gasPrice;
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this.maxPriorityFeePerGas = (tx.maxPriorityFeePerGas != null) ? tx.maxPriorityFeePerGas : null;
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this.maxFeePerGas = (tx.maxFeePerGas != null) ? tx.maxFeePerGas : null;
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this.chainId = tx.chainId;
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this.signature = tx.signature;
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this.accessList = (tx.accessList != null) ? tx.accessList : null;
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this.#startBlock = -1;
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}
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toJSON() {
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const { blockNumber, blockHash, index, hash, type, to, from, nonce, data, signature, accessList } = this;
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return {
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_type: "TransactionReceipt",
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accessList, blockNumber, blockHash,
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chainId: toJson(this.chainId),
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data, from,
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gasLimit: toJson(this.gasLimit),
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gasPrice: toJson(this.gasPrice),
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hash,
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maxFeePerGas: toJson(this.maxFeePerGas),
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maxPriorityFeePerGas: toJson(this.maxPriorityFeePerGas),
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nonce, signature, to, index, type,
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value: toJson(this.value),
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};
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}
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async getBlock() {
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let blockNumber = this.blockNumber;
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if (blockNumber == null) {
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const tx = await this.getTransaction();
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if (tx) {
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blockNumber = tx.blockNumber;
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}
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}
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if (blockNumber == null) {
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return null;
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}
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const block = this.provider.getBlock(blockNumber);
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if (block == null) {
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throw new Error("TODO");
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}
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return block;
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}
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async getTransaction() {
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return this.provider.getTransaction(this.hash);
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}
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async wait(_confirms, _timeout) {
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const confirms = (_confirms == null) ? 1 : _confirms;
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const timeout = (_timeout == null) ? 0 : _timeout;
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let startBlock = this.#startBlock;
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let nextScan = -1;
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let stopScanning = (startBlock === -1) ? true : false;
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const checkReplacement = async () => {
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// Get the current transaction count for this sender
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if (stopScanning) {
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return null;
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}
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const { blockNumber, nonce } = await resolveProperties({
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blockNumber: this.provider.getBlockNumber(),
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nonce: this.provider.getTransactionCount(this.from)
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});
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// No transaction for our nonce has been mined yet; but we can start
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// scanning later when we do start
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if (nonce < this.nonce) {
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startBlock = blockNumber;
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return;
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}
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// We were mined; no replacement
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if (stopScanning) {
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return null;
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}
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const mined = await this.getTransaction();
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if (mined && mined.blockNumber != null) {
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return;
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}
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// We were replaced; start scanning for that transaction
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// Starting to scan; look back a few extra blocks for safety
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if (nextScan === -1) {
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nextScan = startBlock - 3;
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if (nextScan < this.#startBlock) {
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nextScan = this.#startBlock;
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}
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}
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while (nextScan <= blockNumber) {
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// Get the next block to scan
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if (stopScanning) {
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return null;
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}
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const block = await this.provider.getBlockWithTransactions(nextScan);
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// This should not happen; but we'll try again shortly
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if (block == null) {
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return;
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}
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for (const tx of block.transactions) {
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// We were mined; no replacement
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if (tx.hash === this.hash) {
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return;
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}
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if (tx.from === this.from && tx.nonce === this.nonce) {
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// Get the receipt
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if (stopScanning) {
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return null;
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}
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const receipt = await this.provider.getTransactionReceipt(tx.hash);
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// This should not happen; but we'll try again shortly
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if (receipt == null) {
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return;
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}
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// We will retry this on the next block (this case could be optimized)
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if ((blockNumber - receipt.blockNumber + 1) < confirms) {
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return;
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}
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// The reason we were replaced
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let reason = "replaced";
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if (tx.data === this.data && tx.to === this.to && tx.value === this.value) {
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reason = "repriced";
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}
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else if (tx.data === "0x" && tx.from === tx.to && tx.value === BN_0) {
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reason = "cancelled";
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}
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throwError("transaction was replaced", "TRANSACTION_REPLACED", {
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cancelled: (reason === "replaced" || reason === "cancelled"),
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reason,
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replacement: tx.replaceableTransaction(startBlock),
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hash: tx.hash,
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receipt
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});
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}
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}
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nextScan++;
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}
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return;
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};
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const receipt = await this.provider.getTransactionReceipt(this.hash);
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if (receipt) {
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if ((await receipt.confirmations()) >= confirms) {
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return receipt;
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}
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}
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else {
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// Check for a replacement; throws if a replacement was found
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await checkReplacement();
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// Allow null only when the confirms is 0
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if (confirms === 0) {
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return null;
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}
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}
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const waiter = new Promise((resolve, reject) => {
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// List of things to cancel when we have a result (one way or the other)
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const cancellers = [];
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const cancel = () => { cancellers.forEach((c) => c()); };
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// On cancel, stop scanning for replacements
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cancellers.push(() => { stopScanning = true; });
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// Set up any timeout requested
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if (timeout > 0) {
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const timer = setTimeout(() => {
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cancel();
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reject(makeError("wait for transaction timeout", "TIMEOUT"));
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}, timeout);
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cancellers.push(() => { clearTimeout(timer); });
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}
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const txListener = async (receipt) => {
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// Done; return it!
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if ((await receipt.confirmations()) >= confirms) {
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cancel();
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resolve(receipt);
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}
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};
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cancellers.push(() => { this.provider.off(this.hash, txListener); });
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this.provider.on(this.hash, txListener);
|
|
// We support replacement detection; start checking
|
|
if (startBlock >= 0) {
|
|
const replaceListener = async () => {
|
|
try {
|
|
// Check for a replacement; this throws only if one is found
|
|
await checkReplacement();
|
|
}
|
|
catch (error) {
|
|
// We were replaced (with enough confirms); re-throw the error
|
|
if (isError(error, "TRANSACTION_REPLACED")) {
|
|
cancel();
|
|
reject(error);
|
|
return;
|
|
}
|
|
}
|
|
// Rescheudle a check on the next block
|
|
this.provider.once("block", replaceListener);
|
|
};
|
|
cancellers.push(() => { this.provider.off("block", replaceListener); });
|
|
this.provider.once("block", replaceListener);
|
|
}
|
|
});
|
|
return await waiter;
|
|
}
|
|
isMined() {
|
|
return (this.blockHash != null);
|
|
}
|
|
isLegacy() {
|
|
return (this.type === 0);
|
|
}
|
|
isBerlin() {
|
|
return (this.type === 1);
|
|
}
|
|
isLondon() {
|
|
return (this.type === 2);
|
|
}
|
|
removedEvent() {
|
|
if (!this.isMined()) {
|
|
return throwError("unmined transaction canot be orphaned", "UNSUPPORTED_OPERATION", {
|
|
operation: "removeEvent()"
|
|
});
|
|
}
|
|
return createRemovedTransactionFilter(this);
|
|
}
|
|
reorderedEvent(other) {
|
|
if (!this.isMined()) {
|
|
return throwError("unmined transaction canot be orphaned", "UNSUPPORTED_OPERATION", {
|
|
operation: "removeEvent()"
|
|
});
|
|
}
|
|
if (other && !other.isMined()) {
|
|
return throwError("unmined 'other' transaction canot be orphaned", "UNSUPPORTED_OPERATION", {
|
|
operation: "removeEvent()"
|
|
});
|
|
}
|
|
return createReorderedTransactionFilter(this, other);
|
|
}
|
|
/**
|
|
* Returns a new TransactionResponse instance which has the ability to
|
|
* detect (and throw an error) if the transaction is replaced, which
|
|
* will begin scanning at %%startBlock%%.
|
|
*
|
|
* This should generally not be used by developers and is intended
|
|
* primarily for internal use. Setting an incorrect %%startBlock%% can
|
|
* have devastating performance consequences if used incorrectly.
|
|
*/
|
|
replaceableTransaction(startBlock) {
|
|
assertArgument(Number.isInteger(startBlock) && startBlock >= 0, "invalid startBlock", "startBlock", startBlock);
|
|
const tx = new TransactionResponse(this, this.provider);
|
|
tx.#startBlock = startBlock;
|
|
return tx;
|
|
}
|
|
}
|
|
function createOrphanedBlockFilter(block) {
|
|
return { orphan: "drop-block", hash: block.hash, number: block.number };
|
|
}
|
|
function createReorderedTransactionFilter(tx, other) {
|
|
return { orphan: "reorder-transaction", tx, other };
|
|
}
|
|
function createRemovedTransactionFilter(tx) {
|
|
return { orphan: "drop-transaction", tx };
|
|
}
|
|
function createRemovedLogFilter(log) {
|
|
return { orphan: "drop-log", log: {
|
|
transactionHash: log.transactionHash,
|
|
blockHash: log.blockHash,
|
|
blockNumber: log.blockNumber,
|
|
address: log.address,
|
|
data: log.data,
|
|
topics: Object.freeze(log.topics.slice()),
|
|
index: log.index
|
|
} };
|
|
}
|
|
//# sourceMappingURL=provider.js.map
|