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Specialized Types
An
AccountId
is composed of a <shardNum>.<realmNum>.<accountNum> (eg. 0.0.10).- Shard number (
shardNum
) represents the shard number (shardId
). It will default to 0 today, as Hedera only performs in one shard. - Realm number (
realmNum
) represents the realm number (realmId
). It will default to 0 today, as realms are not yet supported. - Account represents either an account number or an account alias
- Account number (
accountNum
) represents the account number (accountId
) - Account alias (alias) represented by the public key bytes
- The public key bytes are the result of serializing a protobuf Key message for any primitive key type
- Currently, only primitive key bytes are supported as an alias
- Threshold keys, key list, contract ID, and delegatable_contract_id are not supported
- The alias can only be used in place of an account ID in transfer transactions in its current version
Together these values make up your
AccountId
. When an AccountId
is specified, be sure all three values are included.Constructor | Type | Description |
new AccountId(<shardNum>,<realmNum>,<accountNum>) | long, long, long | Constructs an AccountId with 0 for shardNum and realmNum (e.g., 0.0.<accountNum> ) |
Methods | Type | Description |
AccountId.fromString(<account>) | String | Constructs an AccountId from a string formatted as <shardNum>.<realmNum>.<accountNum> |
AccountId.fromSolidityAddress(<address>) | String | Constructs an AccountId from a solidity address in string format |
AccountId.fromBytes(bytes) | byte[] | Constructs an AccountId from bytes |
AccountId.toSolidityAddress() | String | Constructs a solidity address from AccountID |
AccountId.toString() | String | Constructs an AccountID from string |
AccountId.aliasKey | PublicKey | The alias key of the AccountID |
AccountId.aliasEvmAddress | EVM address | The EVM address of the AccountID |
AccountId.toBytes() | byte[] | Constructs an AccountID from bytes |
Java
JavaScript
Go
AccountId accountId = new AccountId(0 ,0 ,10);
System.out.println(accountId);
// Constructs an accountId from String
AccountId accountId = AccountId.fromString("0.0.10");
System.out.println(accountId);
const accountId = new AccountId(100);
console.log(`${accountId}`);
// Construct accountId from String
const accountId = AccountId.fromString(`100`);
console.log(`${accountId}`);
hedera.AccountIDFromString("0.0.3")
A
FileId
is composed of a <shardNum>.<realmNum>.<fileNum> (eg. 0.0.15).- shardNum represents the shard number (
shardId
). It will default to 0 today, as Hedera only performs in one shard. - realmNum represents the realm number (
realmId
). It will default to 0 today, as realms are not yet supported. - fileNum represents the file number
Together these values make up your accountId. When an
FileId
is requested, be sure all three values are included.Constructor | Type | Description |
new FileId(<shardNum>,<realmNum>,<fileNum>) | long, long, long | Constructs a FileId with 0 for shardNum and realmNum (e.g., 0.0.<fileNum> ) |
Methods | Type | Description |
FileId.fromString() | String | Constructs an FileId from a string formatted as<shardNum>.<realmNum>.<fileNum> |
FileId.fromSolidityAddress() | String | Constructs an FileId from a solidity address in string format |
FileId.ADDRESS_BOOK | FileId | The public node address book for the current network |
FileId.EXCHANGE_RATES | FileId | The current exchange rate of HBAR to USD |
FileId.FEE_SCHEDULE | FileId | The current fee schedule for the network |
Java
JavaScript
Go
FileId fileId = new FileId(0,0,15);
System.out.println(fileId);
//Constructs a FileId from string
FileId fileId = FileId.fromString("0.0.15");
System.out.println(fileId);
const newFileId = new FileId(100);
console.log(`${newFileId}`);
//Construct a fileId from a String
const newFileIdFromString = FileId.fromString(`100`);
console.log(`${newFileIdFromString}`);
hedera.FileIDFromString("0.0.3")
A
ContractId
is composed of a <shardNum>.<realmNum>.<contractNum> (eg. 0.0.20).- shardNum represents the shard number (
shardId
). It will default to 0 today, as Hedera only performs in one shard. - realmNum represents the realm number (
realmId
). It will default to 0 today, as realms are not yet supported. - contractNum represents the contract number
Together these values make up your
ContractId
. When an ContractId
is requested, be sure all three values are included. ContractId's are automatically assigned when you create a new smart contract.Constructor | Type | Description |
new ContractId(<shardNum>,<realmNum>,<contractNum>) | long, long, long | Constructs a ContractId with 0 for shardNum and realmNum (e.g., 0.0.<contractNum> ) |
Methods | Type | Description |
ContractId.fromString(<account>) | String | Constructs a ContractId from a string formatted as<shardNum>.<realmNum>.<contractNum> |
ContractId.fromSolidityAddress(<address>)[deprecated use ConractId.fromEvmAddress()] | String | Constructs a ContractId from a solidity address in string format [deprecated use ContractId.fromEvmAddres()] |
ContractId.toSolidityAddress(<contractId>) | String | Contruct a Solidity address from a Hedera contract ID |
ContractId.fromEvmAddress(<shard>, <realm>, <evmAddress>) | long, long, String | Constructs a ContractId from evm address |
Java
JavaScript
Go
ContractId contractId = new ContractId(0,0,20);
System.out.println(contractId);
// Constructs a ContractId from string
ContractId contractId = ContractId.fromString("0.0.20");
System.out.println(contractId);
const newContractId = new ContractId(100);
console.log(`${newContractId}`);
// Construct a contractId from a String
const newContractId = ContractId.fromString(`100`);
console.log(`${newContractId}`);
hedera.ContractIDFromString("0.0.3")
A
topicId
is composed of a <shardNum>.<realmNum>.<topicNum> (eg. 0.0.100).- shardNum represents the shard number (
shardId
). It will default to 0 today, as Hedera only performs in one shard. - realmNum represents the realm number (
realmId
). It will default to 0 today, as realms are not yet supported. - topicNum represents the topic number (
topicId
)
Constructor | Type | Description |
new ConsensusTopicId(<shardNum>,<realmNum>,<topicNum>) | long, long, long | Constructs a TopicId with 0 for shardNum and realmNum (e.g., 0.0.<topicNum> ) |
Methods | Type | Description |
fromString(<topic>) | String | Constructs a topic ID from a String |
ConsensusTopicId.toString() | | Constructs a topic ID to String format |
Java
JavaScript
Go
ConsensusTopicId topicId = new ConsensusTopicId(0,0,100);
System.out.println(topicId)
const topicId = new ConsensusTopicId(0,0,100);
console.log(topicId)
hedera.TopicIDFromString("0.0.3")
Last modified 1yr ago