@hashgraph/sdk
Version:
52 lines (49 loc) • 2.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _MirrorNodeContractQuery = _interopRequireDefault(require("./MirrorNodeContractQuery.cjs"));
var hex = _interopRequireWildcard(require("../encoding/hex.cjs"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/**
* @typedef {import("../channel/Channel.js").default} Channel
* @typedef {import("../client/Client.js").default<*, *>} Client
*/
/**
* A query that estimates the gas required for a contract function call using the Hedera Mirror Node.
*
* This query simulates a contract call to estimate the amount of gas that would be required
* to execute the same call on the main network. It's useful for determining the appropriate
* gas limit before submitting an actual transaction.
*/
class MirrorNodeContractEstimateQuery extends _MirrorNodeContractQuery.default {
/**
* @returns {object}
*/
get JSONPayload() {
if (this.callData == null) {
throw new Error("Call data is required.");
}
return {
data: hex.encode(this.callData),
from: this.senderEvmAddress,
to: this.contractEvmAddress,
estimate: true,
gasPrice: this.gasPrice?.toString(),
gas: this.gasLimit?.toString(),
blockNumber: this.blockNumber?.toString(),
value: this.value?.toString()
};
}
/**
* @param {Client} client
* @returns {Promise<number>}
*/
async execute(client) {
const mirrorNodeRequest = await this.performMirrorNodeRequest(client, this.JSONPayload);
return Number(mirrorNodeRequest.result);
}
}
exports.default = MirrorNodeContractEstimateQuery;