near-ca
Version:
An SDK for controlling Ethereum Accounts from a Near Account.
72 lines (71 loc) • 2.74 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createNearAccount = exports.nearAccountFromAccountId = exports.nearAccountFromKeyPair = exports.TGAS = void 0;
exports.getNetworkId = getNetworkId;
exports.configFromNetworkId = configFromNetworkId;
const near_api_js_1 = require("near-api-js");
/** Gas unit constant for NEAR transactions (1 TeraGas) */
exports.TGAS = 1000000000000n;
/**
* Extracts the network ID from a given NEAR account ID
*
* @param accountId - The NEAR account ID to analyze
* @returns The network ID ("mainnet" or "testnet")
* @remarks If the account ID doesn't end with "near" or "testnet", defaults to "mainnet"
*/
function getNetworkId(accountId) {
const accountExt = accountId.split(".").pop() || "";
// Consider anything that isn't testnet as mainnet.
return accountExt !== "testnet" ? "mainnet" : accountExt;
}
/**
* Generates a NEAR configuration object for a specific network
*
* @param networkId - The target network identifier
* @returns Configuration object for NEAR connection
*/
function configFromNetworkId(networkId) {
return {
networkId,
nodeUrl: `https://rpc.${networkId}.near.org`,
};
}
/**
* Creates a NEAR Account instance from provided credentials
*
* @param config - Configuration containing account ID, network, and key pair
* @returns A NEAR Account instance
*/
const nearAccountFromKeyPair = async (config) => {
return (0, exports.createNearAccount)(config.accountId, config.network, config.keyPair);
};
exports.nearAccountFromKeyPair = nearAccountFromKeyPair;
/**
* Creates a read-only NEAR Account instance from an account ID
*
* @param accountId - The NEAR account identifier
* @param network - The NEAR network configuration
* @returns A read-only NEAR Account instance
* @remarks This account cannot perform write operations
*/
const nearAccountFromAccountId = async (accountId, network) => {
return (0, exports.createNearAccount)(accountId, network);
};
exports.nearAccountFromAccountId = nearAccountFromAccountId;
/**
* Creates a NEAR Account instance with optional write capabilities
*
* @param accountId - The NEAR account identifier
* @param network - The NEAR network configuration
* @param keyPair - Optional key pair for write access
* @returns A NEAR Account instance
*/
const createNearAccount = async (accountId, network, keyPair) => {
const keyStore = new near_api_js_1.keyStores.InMemoryKeyStore();
if (keyPair) {
await keyStore.setKey(network.networkId, accountId, keyPair);
}
const near = await (0, near_api_js_1.connect)({ ...network, keyStore });
return near.account(accountId);
};
exports.createNearAccount = createNearAccount;