@rarible/estimate-middleware/build/index.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.estimate = void 0;
const eth_json_rpc_middleware_1 = require("eth-json-rpc-middleware");
const json_rpc_engine_1 = require("json-rpc-engine");
const middleware_js_1 = require("./middleware.js");
const utils_js_1 = require("./utils.js");
function estimate(provider, options = {}) {
    if ((0, utils_js_1.isSafeEventEmitterProvider)(provider)) {
        const engine = new json_rpc_engine_1.JsonRpcEngine();
        const estimateEngine = getEstimateEngine(provider, options.estimation);
        engine.push((0, middleware_js_1.createEstimateGasMiddleware)(estimateEngine, options.force, options.threshold));
        engine.push((0, eth_json_rpc_middleware_1.providerAsMiddleware)(provider));
        return (0, eth_json_rpc_middleware_1.providerFromEngine)(engine);
    }
    return provider;
}
exports.estimate = estimate;
function getEstimateEngine(provider, estimate) {
    if (estimate === undefined) {
        const estimateEngine = new json_rpc_engine_1.JsonRpcEngine();
        estimateEngine.push((0, eth_json_rpc_middleware_1.providerAsMiddleware)(provider));
        return estimateEngine;
    }
    else if (typeof estimate === "string") {
        const engine = new json_rpc_engine_1.JsonRpcEngine();
        engine.push((0, eth_json_rpc_middleware_1.createFetchMiddleware)({ rpcUrl: estimate }));
        return engine;
    }
    else {
        return estimate;
    }
}