@hashgraph/hedera-local

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/utils/TokenUtils.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../index.html">All files</a> / <a href="index.html">src/utils</a> TokenUtils.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 96.73% Statements 89/92 </div> <div class='fl pad1y space-right2'> 90.62% Branches 29/32 </div> <div class='fl pad1y space-right2'> 100% Functions 13/13 </div> <div class='fl pad1y space-right2'> 96.73% Lines 89/92 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a name='L20'></a><a 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  8x 5x 5x 5x     3x                   8x 2x   8x 6x   8x 6x   8x 6x   8x 6x   8x 6x                   8x 6x   8x 6x   8x 6x   8x 6x   8x 3x   8x   6x         8x 8x 8x 8x     8x 3x 3x   5x 5x     8x 5x   3x   8x 6x 6x         53x           9x           6x          </td><td class="text"><pre class="prettyprint lang-js">// SPDX-License-Identifier: Apache-2.0     import { AccountId, Client, CustomFee, PrivateKey, TokenAssociateTransaction, TokenCreateTransaction, TokenId, TokenMintTransaction, TokenSupplyType, TokenType, TransactionReceipt } from '@hashgraph/sdk'; import { ITokenProps } from '../configuration/types/ITokenProps'; import { getPrivateKey } from '../configuration/types/IPrivateKey';   /** * Provides utility methods for working with tokens. */ export class TokenUtils {   /** * Associates an account with the given tokens. * @param accountId The account ID to associate. * @param tokenIds The token IDs to associate. * @param accountKey The account key to sign the transaction. * @param client The client to use for associating the account with tokens. * @returns {Promise<void>} * A promise that resolves when the account is associated with the tokens. */ public static async associateAccountWithTokens(accountId: AccountId, tokenIds: TokenId[], accountKey: PrivateKey, client: Client): Promise<void> { const signTx = await new TokenAssociateTransaction() .setAccountId(accountId) .setTokenIds(tokenIds) .freezeWith(client) .sign(accountKey);   const txResponse = await signTx.execute(client); await txResponse.getReceipt(client); }   /** * Mints the given amount of tokens for the given token. * @param tokenId The token ID to mint. * @param CID The CID metadata for the minted tokens. * @param supplyKey The supply key to sign the transaction. * @param client The client to use for minting the tokens. * @returns {TransactionReceipt} The receipt of the mint transaction. */ public static async mintToken(tokenId: TokenId, CID: string, supplyKey: PrivateKey, client: Client): Promise<TransactionReceipt> { const transaction = new TokenMintTransaction() .setTokenId(tokenId) .setMetadata([Buffer.from(CID)]) .freezeWith(client);   const signTx = await transaction.sign(supplyKey); const txResponse = await signTx.execute(client); return txResponse.getReceipt(client); }   /** * Creates a token with the given properties. * @param token The properties of the token to create. * @param client The client to use for creating the token. * @returns {TokenId} The ID of the created token. */ public static async createToken(token: ITokenProps, client: Client): Promise<TokenId> { const transaction = this.getTokenCreateTransaction(token);   let signTx: TokenCreateTransaction = transaction.freezeWith(client); if (token.adminKey) { signTx = await signTx.sign(getPrivateKey(token.adminKey)); } signTx = await signTx.signWithOperator(client);   const txResponse = await signTx.execute(client); const receipt = await txResponse.getReceipt(client);   return receipt.tokenId!; }   /** * Returns the supply key for the given token. * * NOTE: The operator key will be used as a supply key by default, * if the supply key is not provided in the properties * * @param token The properties of the token. * @returns {PrivateKey} The supply key for the token. */ public static getSupplyKey(token: ITokenProps): PrivateKey { // The operator key will be used as supply key if one is not provided if (token.supplyKey) { return getPrivateKey(token.supplyKey); } return PrivateKey.fromStringED25519(process.env.RELAY_OPERATOR_KEY_MAIN!); }   /** * Returns the treasury account ID for the given token. * * NOTE: The operator ID will be used as a treasury account ID by default, * if the treasury key is not provided in the properties * * @param token The properties of the token. * @returns {AccountId} The treasury account ID for the token. */ public static getTreasuryAccountId(token: ITokenProps): AccountId { // The operator key will be used as treasury key if one is not provided if (token.treasuryKey) { return getPrivateKey(token.treasuryKey).publicKey.toAccountId(0, 0); } return AccountId.fromString(process.env.RELAY_OPERATOR_ID_MAIN!); }   /** * Creates a token create transaction with the given properties. * @param token The properties of the token to create. * @returns {TokenCreateTransaction} The token create transaction. */ private static getTokenCreateTransaction(token: ITokenProps): TokenCreateTransaction { this.validateTokenProperties(token); const transaction = new TokenCreateTransaction(); this.setRequiredProperties(transaction, token); this.setKeyProperties(transaction, token); this.setOptionalProperties(transaction, token); return transaction; }   /** * Sets the required properties of the token create transaction. * @param transaction The transaction to set the properties on. * @param token The properties of the token to create. */ private static setRequiredProperties(transaction: TokenCreateTransaction, token: ITokenProps): void { transaction.setTokenName(token.tokenName); transaction.setTokenSymbol(token.tokenSymbol); transaction.setTreasuryAccountId(this.getTreasuryAccountId(token)); transaction.setSupplyKey(this.getSupplyKey(token)); // If not provided, the TokenType is FUNGIBLE_COMMON by default if (token.tokenType === TokenType.NonFungibleUnique.toString()) { transaction.setTokenType(TokenType.NonFungibleUnique); transaction.setInitialSupply(0); } else { transaction.setTokenType(TokenType.FungibleCommon); if (token.initialSupply) { transaction.setInitialSupply(token.initialSupply); } if (token.decimals) { transaction.setDecimals(token.decimals); } } // If not provided, the TokenSupplyType is INFINITE by default if (token.supplyType === TokenSupplyType.Finite.toString()) { transaction.setSupplyType(TokenSupplyType.Finite); if (token.maxSupply) { transaction.setMaxSupply(token.maxSupply); } } else { transaction.setSupplyType(TokenSupplyType.Infinite); } }   /** * Sets the key properties of the token create transaction. * @param transaction The transaction to set the properties on. * @param token The properties of the token to create. */ private static setKeyProperties(transaction: TokenCreateTransaction, token: ITokenProps): void { if (token.adminKey) { transaction.setAdminKey(getPrivateKey(token.adminKey)); } if (token.kycKey) { transaction.setKycKey(getPrivateKey(token.kycKey)); } if (token.freezeKey) { transaction.setFreezeKey(getPrivateKey(token.freezeKey)); } if (token.pauseKey) { transaction.setPauseKey(getPrivateKey(token.pauseKey)); } if (token.wipeKey) { transaction.setWipeKey(getPrivateKey(token.wipeKey)); } if (token.feeScheduleKey) { transaction.setFeeScheduleKey(getPrivateKey(token.feeScheduleKey)); } }   /** * Sets the optional properties of the token create transaction. * @param transaction The transaction to set the properties on. * @param token The properties of the token to create. */ private static setOptionalProperties(transaction: TokenCreateTransaction, token: ITokenProps): void { if (token.freezeDefault !== undefined) { transaction.setFreezeDefault(token.freezeDefault); } if (token.autoRenewAccountId) { transaction.setAutoRenewAccountId(token.autoRenewAccountId); } if (token.expirationTime) { transaction.setExpirationTime(new Date(token.expirationTime)); } if (token.autoRenewPeriod) { transaction.setAutoRenewPeriod(token.autoRenewPeriod); } if (token.tokenMemo) { transaction.setTokenMemo(token.tokenMemo); } if (token.customFees) { // TODO: Test this transaction.setCustomFees(token.customFees.map(CustomFee._fromProtobuf)); } }   private static validateTokenProperties(token: ITokenProps): void { this.assertTruthy(token.tokenName, 'Token name is required'); this.assertTruthy(token.tokenSymbol, 'Token symbol is required'); this.assertTruthy(token.tokenType, 'Token type is required'); this.assertTruthy(token.supplyType, 'Supply type is required'); // If the token type is NON_FUNGIBLE_UNIQUE, // the initial supply must be 0 and decimals must be undefined if (token.tokenType === TokenType.NonFungibleUnique.toString()) { this.assertFalsy(token.initialSupply, 'Initial supply must be 0 or undefined for non-fungible tokens'); this.assertFalsy(token.decimals, 'Decimals must be 0 or undefined for non-fungible tokens'); } else { this.assertTruthy(token.initialSupply, 'Initial supply is required for fungible tokens'); this.assertTruthy(token.decimals, 'Decimals is required for fungible tokens'); } // If the token supply type is FINITE, the max supply must be provided if (token.supplyType === TokenSupplyType.Finite.toString()) { this.assertTruthy(token.maxSupply, 'Max supply is required for finite supply tokens'); } else { this.assertFalsy(token.maxSupply, `Max supply must be undefined for infinite supply tokens, was ${token.maxSupply}`); } if (token.autoRenewPeriod) { this.assertTruthy(token.autoRenewAccountId, 'Auto renew account ID is required for auto renew period'); this.assertInRange(token.autoRenewPeriod, 2_592_000, 8_000_000, 'Auto renew period must be between 30 days and 3 months'); } }   private static assertTruthy(condition: unknown, errorMessage: string): void { Iif (!condition) { throw new Error(errorMessage); } }   private static assertFalsy(condition: unknown, errorMessage: string): void { Iif (condition) { throw new Error(errorMessage); } }   private static assertInRange(value: number, min: number, max: number, errorMessage: string): void { Iif (value < min || value > max) { throw new Error(errorMessage); } } }  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2026-05-12T08:16:45.970Z </div> <script src="../../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../../sorter.js"></script> <script src="../../block-navigation.js"></script> </body> </html>