near-ca-test/dist/esm/chains/near.js

An SDK for controlling Ethereum Accounts from a Near Account.

import { keyStores, connect } from "near-api-js";
export const TGAS = 1000000000000n;
export const NO_DEPOSIT = "0";
/**
 * Extracts the network ID from a given NEAR account ID.
 * If the account ID does not end with "near" or "testnet", it logs a warning.
 * Defaults to "mainnet" if the network ID is not "testnet".
 *
 * @param accountId - The NEAR account ID to extract the network ID from.
 * @returns The network ID, either "mainnet" or "testnet".
 */
export function getNetworkId(accountId) {
    const accountExt = accountId.split(".").pop() || "";
    if (!["near", "testnet"].includes(accountExt)) {
        console.warn(`Unusual or invalid network extracted from accountId ${accountId}`);
    }
    // Consider anything that isn't testnet as mainnet.
    return accountExt !== "testnet" ? "mainnet" : accountExt;
}
/**
 * Generates a NEAR configuration object based on the provided network ID.
 *
 * @param networkId - The network ID, either "mainnet" or "testnet".
 * @returns A NearConfig object containing the network ID and node URL.
 */
export function configFromNetworkId(networkId) {
    return {
        networkId,
        nodeUrl: `https://rpc.${networkId}.near.org`,
    };
}
/**
 * Loads Near Account from provided keyPair and accountId
 *
 * @param keyPair {KeyPair}
 * @param accountId {string}
 * @param network {NearConfig} network settings
 * @returns A Promise that resolves to a NEAR Account instance.
 */
export const nearAccountFromKeyPair = async (config) => {
    return createNearAccount(config.accountId, config.network, config.keyPair);
};
/** Minimally sufficient Account instance to construct readonly MpcContract connection.
 *  Can't be used to change methods.
 *
 * @param accountId {string}
 * @param network {NearConfig} network settings
 * @returns A Promise that resolves to a NEAR Account instance.
 */
export const nearAccountFromAccountId = async (accountId, network) => {
    return createNearAccount(accountId, network);
};
/**
 * Creates a NEAR account instance using the provided account ID, network configuration, and optional key pair.
 *
 * @param accountId - The NEAR account ID.
 * @param network - The NEAR network configuration.
 * @param keyPair - (Optional) The key pair for the account.
 * @returns A Promise that resolves to a NEAR Account instance.
 */
export const createNearAccount = async (accountId, network, keyPair) => {
    const keyStore = new keyStores.InMemoryKeyStore();
    if (keyPair) {
        await keyStore.setKey(network.networkId, accountId, keyPair);
    }
    const near = await connect({ ...network, keyStore });
    return near.account(accountId);
};