74 lines
2.9 KiB
JavaScript
74 lines
2.9 KiB
JavaScript
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import { Interface } from "@ethersproject/abi";
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import { getCreateAddress } from "@ethersproject/address";
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import { concat, hexlify } from "@ethersproject/bytes";
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import { defineProperties } from "@ethersproject/properties";
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import { BaseContract, copyOverrides, resolveArgs } from "./contract.js";
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import { logger } from "./logger.js";
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// A = Arguments to the constructor
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// I = Interface of deployed contracts
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export class ContractFactory {
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constructor(abi, bytecode, runner) {
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const iface = Interface.from(abi);
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// Dereference Solidity bytecode objects and allow a missing `0x`-prefix
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if (bytecode instanceof Uint8Array) {
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bytecode = hexlify(logger.getBytes(bytecode));
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}
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else {
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if (typeof (bytecode) === "object") {
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bytecode = bytecode.object;
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}
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if (bytecode.substring(0, 2) !== "0x") {
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bytecode = "0x" + bytecode;
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}
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bytecode = hexlify(logger.getBytes(bytecode));
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}
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defineProperties(this, {
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bytecode, interface: iface, runner: (runner || null)
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});
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}
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async getDeployTransaction(...args) {
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let overrides = {};
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const fragment = this.interface.deploy;
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if (fragment.inputs.length + 1 === args.length) {
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overrides = await copyOverrides(args.pop());
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}
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if (fragment.inputs.length !== args.length) {
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throw new Error("incorrect number of arguments to constructor");
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}
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const resolvedArgs = await resolveArgs(this.runner, fragment.inputs, args);
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const data = concat([this.bytecode, this.interface.encodeDeploy(resolvedArgs)]);
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return Object.assign({}, overrides, { data });
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}
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async deploy(...args) {
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const tx = await this.getDeployTransaction(...args);
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if (!this.runner || typeof (this.runner.sendTransaction) !== "function") {
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return logger.throwError("factory runner does not support sending transactions", "UNSUPPORTED_OPERATION", {
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operation: "sendTransaction"
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});
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}
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const sentTx = await this.runner.sendTransaction(tx);
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const address = getCreateAddress(sentTx);
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return new BaseContract(address, this.interface, this.runner, sentTx);
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}
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connect(runner) {
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return new ContractFactory(this.interface, this.bytecode, runner);
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}
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static fromSolidity(output, runner) {
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if (output == null) {
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logger.throwArgumentError("bad compiler output", "output", output);
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}
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if (typeof (output) === "string") {
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output = JSON.parse(output);
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}
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const abi = output.abi;
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let bytecode = "";
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if (output.bytecode) {
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bytecode = output.bytecode;
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}
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else if (output.evm && output.evm.bytecode) {
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bytecode = output.evm.bytecode;
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}
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return new this(abi, bytecode, runner);
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}
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}
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//# sourceMappingURL=factory.js.map
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