flashbots-cli/dist/commands/simulateBundle.js

Flashbots CLI tool.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const core_1 = require("@oclif/core");
// lib
const error_1 = require("../lib/error");
const flashbots_1 = require("../lib/flashbots");
class SimulateBundle extends core_1.Command {
    async catch(e) {
        (0, error_1.handleGenericError)(e, this);
    }
    async run() {
        const { args, flags } = await this.parse(SimulateBundle);
        const flashbotsProvider = await (0, flashbots_1.getFlashbotsProvider)();
        let targetBlock;
        if (flags['target-block']) {
            targetBlock = flags['target-block'];
        }
        else {
            const provider = (0, flashbots_1.getStandardProvider)();
            targetBlock = await provider.getBlockNumber();
        }
        this.log(`Targeting block ${targetBlock} for bundle simulation.`);
        const res = await flashbotsProvider.simulate(JSON.parse(args.bundle_txs), targetBlock, flags['state-block-tag'], flags['block-timestamp']);
        if (res.error) {
            this.error(JSON.stringify(res.error));
        }
        else {
            this.log(JSON.stringify(res));
        }
    }
}
exports.default = SimulateBundle;
SimulateBundle.description = 'Simulate a bundle.';
SimulateBundle.examples = [
    `# Simulate a bundle in the current block
<%= config.bin %> <%= command.id %> '["0x02f8d37c496de...", "0x02f8d38a7bf47..."]'`,
    `# Simulate a bundle against a specific timestamp
<%= config.bin %> <%= command.id %> '["0x02f8d37c496de...", "0x02f8d38a7bf47..."]' --block-timestamp 1652859017`,
    `# Simulate a bundle against a block tag
<%= config.bin %> <%= command.id %> '["0x02f8d37c496de...", "0x02f8d38a7bf47..."]' --state-block-tag latest`,
];
SimulateBundle.flags = {
    'target-block': core_1.Flags.integer({ char: 'b', description: 'Block to target for bundle submission' }),
    'state-block-tag': core_1.Flags.string({ description: 'Block tag which specifies block state to execute simulation against' }),
    'block-timestamp': core_1.Flags.integer({ description: 'Timestamp to execute simulation against' }),
};
SimulateBundle.args = [
    { name: 'bundle_txs', description: "JSON string-encoded array of raw signed transactions (0x-prefixed)", required: true },
];