243 lines
9.7 KiB
JavaScript
243 lines
9.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.WrappedSigner = exports.VoidSigner = exports.AbstractSigner = void 0;
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/**
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* About Abstract Signer and subclassing
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*
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* @_section: api/providers/abstract-signer: Subclassing Signer [abstract-signer]
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*/
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const index_js_1 = require("../address/index.js");
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const index_js_2 = require("../transaction/index.js");
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const index_js_3 = require("../utils/index.js");
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const provider_js_1 = require("./provider.js");
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class AbstractSigner {
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provider;
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constructor(provider) {
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(0, index_js_3.defineProperties)(this, { provider: (provider || null) });
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}
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#checkProvider(operation) {
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if (this.provider) {
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return this.provider;
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}
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(0, index_js_3.assert)(false, "missing provider", "UNSUPPORTED_OPERATION", { operation });
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}
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async getNonce(blockTag) {
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return this.#checkProvider("getTransactionCount").getTransactionCount(await this.getAddress(), blockTag);
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}
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async #populate(tx) {
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let pop = (0, provider_js_1.copyRequest)(tx);
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if (pop.to != null) {
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pop.to = (0, index_js_1.resolveAddress)(pop.to, this);
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}
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if (pop.from != null) {
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const from = pop.from;
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pop.from = Promise.all([
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this.getAddress(),
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(0, index_js_1.resolveAddress)(from, this)
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]).then(([address, from]) => {
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(0, index_js_3.assertArgument)(address.toLowerCase() === from.toLowerCase(), "transaction from mismatch", "tx.from", from);
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return address;
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});
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}
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else {
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pop.from = this.getAddress();
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}
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return await (0, index_js_3.resolveProperties)(pop);
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}
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async populateCall(tx) {
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const pop = await this.#populate(tx);
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return pop;
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}
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async populateTransaction(tx) {
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const provider = this.#checkProvider("populateTransaction");
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const pop = await this.#populate(tx);
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if (pop.nonce == null) {
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pop.nonce = await this.getNonce("pending");
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}
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if (pop.gasLimit == null) {
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pop.gasLimit = await this.estimateGas(pop);
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}
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// Populate the chain ID
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const network = await (this.provider).getNetwork();
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if (pop.chainId != null) {
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const chainId = (0, index_js_3.getBigInt)(pop.chainId);
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(0, index_js_3.assertArgument)(chainId === network.chainId, "transaction chainId mismatch", "tx.chainId", tx.chainId);
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}
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else {
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pop.chainId = network.chainId;
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}
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// Do not allow mixing pre-eip-1559 and eip-1559 properties
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const hasEip1559 = (pop.maxFeePerGas != null || pop.maxPriorityFeePerGas != null);
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if (pop.gasPrice != null && (pop.type === 2 || hasEip1559)) {
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(0, index_js_3.assertArgument)(false, "eip-1559 transaction do not support gasPrice", "tx", tx);
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}
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else if ((pop.type === 0 || pop.type === 1) && hasEip1559) {
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(0, index_js_3.assertArgument)(false, "pre-eip-1559 transaction do not support maxFeePerGas/maxPriorityFeePerGas", "tx", tx);
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}
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if ((pop.type === 2 || pop.type == null) && (pop.maxFeePerGas != null && pop.maxPriorityFeePerGas != null)) {
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// Fully-formed EIP-1559 transaction (skip getFeeData)
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pop.type = 2;
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}
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else if (pop.type === 0 || pop.type === 1) {
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// Explicit Legacy or EIP-2930 transaction
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// We need to get fee data to determine things
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const feeData = await provider.getFeeData();
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(0, index_js_3.assert)(feeData.gasPrice != null, "network does not support gasPrice", "UNSUPPORTED_OPERATION", {
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operation: "getGasPrice"
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});
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// Populate missing gasPrice
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if (pop.gasPrice == null) {
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pop.gasPrice = feeData.gasPrice;
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}
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}
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else {
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// We need to get fee data to determine things
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const feeData = await provider.getFeeData();
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if (pop.type == null) {
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// We need to auto-detect the intended type of this transaction...
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if (feeData.maxFeePerGas != null && feeData.maxPriorityFeePerGas != null) {
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// The network supports EIP-1559!
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// Upgrade transaction from null to eip-1559
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pop.type = 2;
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if (pop.gasPrice != null) {
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// Using legacy gasPrice property on an eip-1559 network,
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// so use gasPrice as both fee properties
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const gasPrice = pop.gasPrice;
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delete pop.gasPrice;
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pop.maxFeePerGas = gasPrice;
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pop.maxPriorityFeePerGas = gasPrice;
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}
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else {
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// Populate missing fee data
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if (pop.maxFeePerGas == null) {
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pop.maxFeePerGas = feeData.maxFeePerGas;
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}
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if (pop.maxPriorityFeePerGas == null) {
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pop.maxPriorityFeePerGas = feeData.maxPriorityFeePerGas;
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}
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}
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}
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else if (feeData.gasPrice != null) {
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// Network doesn't support EIP-1559...
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// ...but they are trying to use EIP-1559 properties
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(0, index_js_3.assert)(!hasEip1559, "network does not support EIP-1559", "UNSUPPORTED_OPERATION", {
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operation: "populateTransaction"
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});
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// Populate missing fee data
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if (pop.gasPrice == null) {
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pop.gasPrice = feeData.gasPrice;
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}
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// Explicitly set untyped transaction to legacy
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// @TODO: Maybe this shold allow type 1?
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pop.type = 0;
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}
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else {
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// getFeeData has failed us.
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(0, index_js_3.assert)(false, "failed to get consistent fee data", "UNSUPPORTED_OPERATION", {
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operation: "signer.getFeeData"
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});
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}
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}
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else if (pop.type === 2) {
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// Explicitly using EIP-1559
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// Populate missing fee data
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if (pop.maxFeePerGas == null) {
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pop.maxFeePerGas = feeData.maxFeePerGas;
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}
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if (pop.maxPriorityFeePerGas == null) {
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pop.maxPriorityFeePerGas = feeData.maxPriorityFeePerGas;
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}
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}
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}
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//@TOOD: Don't await all over the place; save them up for
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// the end for better batching
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return await (0, index_js_3.resolveProperties)(pop);
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}
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async estimateGas(tx) {
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return this.#checkProvider("estimateGas").estimateGas(await this.populateCall(tx));
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}
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async call(tx) {
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return this.#checkProvider("call").call(await this.populateCall(tx));
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}
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async resolveName(name) {
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const provider = this.#checkProvider("resolveName");
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return await provider.resolveName(name);
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}
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async sendTransaction(tx) {
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const provider = this.#checkProvider("sendTransaction");
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const pop = await this.populateTransaction(tx);
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delete pop.from;
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const txObj = index_js_2.Transaction.from(pop);
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return await provider.broadcastTransaction(await this.signTransaction(txObj));
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}
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}
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exports.AbstractSigner = AbstractSigner;
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class VoidSigner extends AbstractSigner {
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address;
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constructor(address, provider) {
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super(provider);
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(0, index_js_3.defineProperties)(this, { address });
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}
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async getAddress() { return this.address; }
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connect(provider) {
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return new VoidSigner(this.address, provider);
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}
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#throwUnsupported(suffix, operation) {
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(0, index_js_3.assert)(false, `VoidSigner cannot sign ${suffix}`, "UNSUPPORTED_OPERATION", { operation });
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}
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async signTransaction(tx) {
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this.#throwUnsupported("transactions", "signTransaction");
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}
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async signMessage(message) {
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this.#throwUnsupported("messages", "signMessage");
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}
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async signTypedData(domain, types, value) {
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this.#throwUnsupported("typed-data", "signTypedData");
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}
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}
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exports.VoidSigner = VoidSigner;
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class WrappedSigner extends AbstractSigner {
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#signer;
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constructor(signer) {
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super(signer.provider);
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this.#signer = signer;
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}
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async getAddress() {
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return await this.#signer.getAddress();
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}
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connect(provider) {
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return new WrappedSigner(this.#signer.connect(provider));
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}
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async getNonce(blockTag) {
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return await this.#signer.getNonce(blockTag);
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}
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async populateCall(tx) {
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return await this.#signer.populateCall(tx);
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}
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async populateTransaction(tx) {
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return await this.#signer.populateTransaction(tx);
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}
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async estimateGas(tx) {
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return await this.#signer.estimateGas(tx);
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}
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async call(tx) {
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return await this.#signer.call(tx);
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}
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async resolveName(name) {
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return this.#signer.resolveName(name);
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}
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async signTransaction(tx) {
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return await this.#signer.signTransaction(tx);
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}
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async sendTransaction(tx) {
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return await this.#signer.sendTransaction(tx);
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}
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async signMessage(message) {
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return await this.#signer.signMessage(message);
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}
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async signTypedData(domain, types, value) {
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return await this.#signer.signTypedData(domain, types, value);
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}
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}
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exports.WrappedSigner = WrappedSigner;
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//# sourceMappingURL=abstract-signer.js.map
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