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@ -1,270 +1,214 @@ |
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/** |
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## About This Package |
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# @harmony-js/account |
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`@harmony-js/account` is dealing with account related features. |
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This package provides a collection of apis to create accounts and wallets and sign using them. A wallet can hold multiple accounts and account is associated with a unique `one` address. This package also provides facilies to manage account keys. |
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Developers can use this package to: |
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- Create `Account` instance |
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- Create `Wallet` instance |
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- Sign `Transaction` |
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- Convert address format |
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- Manage `privateKey` or `mnemonic phrases` and do the `encrypt` and `decrypt` job |
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## Installation |
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There are 2 main classes in this package, `Account` and `Wallet`. |
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- The `Account` class is basic instance that contains most features mentioned above. |
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- The `Wallet` class is class that stores all `Account` instance, you can do CRUD on it. |
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## Usage of Account |
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### Dependencies |
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- @harmony-js/network |
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- @harmony-js/staking |
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- @harmony-js/transaction |
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- @harmony-js/utils |
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``` |
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npm install @harmony-js/account |
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``` |
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### Examples |
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## Usage |
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Create a random account |
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Creating new account and display hex and bech32 (one) addresses
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```javascript
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// import the Account class
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import {Account} from '@harmony-js/account' |
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// Messenger is optional, by default, we have a defaultMessenger
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// If you like to change, you will import related package here.
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import { HttpProvider, Messenger } from '@harmony-js/network'; |
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import { ChainType, ChainID } from '@harmony-js/utils'; |
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// create a custom messenger
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const customMessenger = new Messenger( |
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new HttpProvider('http://localhost:9500'), |
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ChainType.Harmony, // if you are connected to Harmony's blockchain
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ChainID.HmyLocal, // check if the chainId is correct
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) |
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// to create an Account with random privateKey
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// and you can setMessenger later
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const randomAccount = new Account() |
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randomAccount.setMessenger(customMessenger) |
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// or you can set messenger on `new`
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const randomAccountWithCustomMessenger = new Account(undefined, customMessenger) |
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// you can display the account
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console.log({randomAccount,randomAccountWithCustomMessenger}) |
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// or you can use static method to create an Account
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const staticCreatedAccount = Account.new() |
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// but you have to set messenger manually after
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staticCreatedAccount.setMessenger(customMessenger) |
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console.log({staticCreatedAccount}) |
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const account = new Account(); // or const account = Account.new()
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console.log(account.checksumAddress); |
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console.log(account.bech32Address); |
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``` |
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### Import an existing privateKey to create Account |
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```typescript
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// import the Account class
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import {Account} from '@harmony-js/account' |
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// NOTED: Key with or without `0x` are accepted, makes no different
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// NOTED: DO NOT import `mnemonic phrase` using `Account` class, use `Wallet` instead
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const myPrivateKey = '0xe19d05c5452598e24caad4a0d85a49146f7be089515c905ae6a19e8a578a6930' |
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const myAccountWithMyPrivateKey = new Account(myPrivateKey) |
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// you can also import privateKey use static method
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const myAccountWithMyPrivateKeyUsingStatic = Account.add(myPrivateKey) |
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console.log({ myAccountWithMyPrivateKey, myAccountWithMyPrivateKeyUsingStatic }) |
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Creating new account using private key |
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```javascript
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const account = Account.add('45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e'); |
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``` |
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### Encrypt/Export keyStore file, Decrypt/Import keyStore file
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```typescript
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// import the Account class
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import {Account} from '@harmony-js/account' |
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// suppose we have an account
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const myPrivateKey = '0xe19d05c5452598e24caad4a0d85a49146f7be089515c905ae6a19e8a578a6930' |
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const myAccountWithMyPrivateKey = new Account(myPrivateKey) |
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// suppose we have a password, and we want to encrypt the account above
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const myStrongPassword = '123' |
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async function encryptAndDecrypt(password) { |
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// we get the privateKey before encrypted as comparison
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const unencryptedPrivateKey = myAccountWithMyPrivateKey.privateKey |
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// export the account to keyStore string, which will make the privateKey encrpyted
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const keyStoreFile = await myAccountWithMyPrivateKey.toFile(password) |
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// exported keyStoreFile
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console.log({ keyStoreFile }) |
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// see if the account is encrypted
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console.log(`Is this account encrypted? \n ${myAccountWithMyPrivateKey.encrypted}`) |
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// keystore file should be equal to encrypted privateKey
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console.log( |
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`Is privateKey equal to keyStore string? \n ${keyStoreFile === |
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myAccountWithMyPrivateKey.privateKey}`,
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) |
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} |
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encryptAndDecrypt(myStrongPassword) |
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// suppose we have keyStorefile, in this example, we just use same password and keystore string encrypted above
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const someKeyStoreFile = |
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'{"version":3,"id":"62326332-3139-4839-b534-656134623066","address":"1fe3da351d9fc0c4f02de5412ad7def8aee956c5","Crypto":{"ciphertext":"b86ab81682c9f5a35738ad9bd38cd9b46c1b852ef33f16dd83068f79e20d5531","cipherparams":{"iv":"44efb5a514f34968e92cafad80566487"},"cipher":"aes-128-ctr","kdf":"scrypt","kdfparams":{"salt":"d70ae1f311601562113f98c8ebe382f52a332dca1588886e5ea91e2f8a647134","n":8192,"r":8,"p":1,"dklen":32},"mac":"7b63e4e31a75a22b7091291bb58302655b738539ef3e30b30a7a7f170f6163ef"}}' |
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async function importKeyStoreFileAndDecrypt(keyStoreFile, password) { |
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// import keyStore string and provide the password, remember to make a new Account first
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const importedAccount = await Account.new().fromFile(keyStoreFile, password) |
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// the account should decypted which `Account.encrypted` is false
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console.log(`Is this account encrypted? \n ${importedAccount.encrypted}`) |
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// see if the privatekey is equal to unencrypted one?
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console.log( |
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`Is the account recovered from keystore? \n ${importedAccount.privateKey === myPrivateKey}`, |
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) |
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} |
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importKeyStoreFileAndDecrypt(someKeyStoreFile, myStrongPassword) |
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Creating account using private key and custom messenger |
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```javascript
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* const account = new Account( |
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* '45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e', |
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* new Messenger( |
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* new HttpProvider('https://api.s0.b.hmny.io'), |
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* ChainType.Harmony, |
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* ChainID.HmyTestnet, |
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* ), |
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* ); |
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``` |
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### Address format getter |
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```typescript
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// import the Account class
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import {Account} from '@harmony-js/account' |
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// suppose we have an account
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const myPrivateKey = '0xe19d05c5452598e24caad4a0d85a49146f7be089515c905ae6a19e8a578a6930' |
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const myAccountWithMyPrivateKey = new Account(myPrivateKey) |
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// Account.address is bytes20/base16 address
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console.log(myAccountWithMyPrivateKey.address) |
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// Account.bech32Address is bech32 format address, in Harmony, it's `one1` prefixed
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console.log(myAccountWithMyPrivateKey.bech32Address) |
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// Account.bech32TestNetAddress is bech32 format address, in Harmony, it's `tone1` prefixed, used in testnet
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console.log(myAccountWithMyPrivateKey.bech32TestNetAddress) |
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// Account.checksumAddress is checksumed address from base16
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console.log(myAccountWithMyPrivateKey.checksumAddress) |
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Creating account and setting custom messenger |
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```javascript
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// uses by default http://localhost:9500 as messenger
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* const account = new Account(); |
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* const customMessenger = new Messenger( |
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* new HttpProvider('https://api.s0.b.hmny.io'), |
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* ChainType.Harmony, |
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* ChainID.HmyTestnet, |
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* ); |
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account.setMessenger(customMessenger); |
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``` |
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Storing the account data to keystore file |
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```javascript
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* const passphrase = ''; |
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* const account = new Account('45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e'); |
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* account.toFile(passphrase).then(keystore => { |
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* console.log(keystore); |
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* }); |
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``` |
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### Sign a transaction |
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```typescript
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// import the Account class
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import {Account} from '@harmony-js/account' |
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// import Transaction class from '@harmony-js/transaction'
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import {Transaction} from '@harmony-js/transaction' |
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// Messenger is optional, by default, we have a defaultMessenger
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// If you like to change, you will import related package here.
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import { HttpProvider, Messenger } from '@harmony-js/network'; |
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import { ChainType, ChainID, Unit } from '@harmony-js/utils'; |
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// create a custom messenger
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const customMessenger = new Messenger( |
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new HttpProvider('http://localhost:9500'), |
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ChainType.Harmony, // if you are connected to Harmony's blockchain
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ChainID.HmyLocal, // check if the chainId is correct
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) |
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// suppose we have an account
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const myPrivateKey = '0xe19d05c5452598e24caad4a0d85a49146f7be089515c905ae6a19e8a578a6930' |
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const myAccountWithMyPrivateKey = new Account(myPrivateKey) |
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const txnObject = { |
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// token send to
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to: 'one166axnkjmghkf3df7xfvd0hn4dft8kemrza4cd2', |
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// amount to send
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value: '1000000000000000000000', |
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// gas limit, you can use string or use BN value
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gasLimit: '210000', |
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// send token from shardID
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shardID: 0, |
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// send token to toShardID
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toShardID: 0, |
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// gas Price, you can use Unit class, and use Gwei, then remember to use toWei(), which will be transformed to BN
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gasPrice: new Unit('100').asGwei().toWei(), |
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// if you set nonce manually here, and remember, the `updateNonce` of `Account.signTransaction` should be set to false
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nonce: 0, |
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}; |
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Fetching account from keystore file |
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```javascript
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* const passphrase = ''; |
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* const keystore = '{"version":3,"id":"33363566-3564-4264-a638-363531666335","address":"7c41e0668b551f4f902cfaec05b5bdca68b124ce","crypto":{"ciphertext":"9b09380afb742838b32d9afc0ec1a3df35dbd7a41e3a160d08c07a4d0e79b855","cipherparams":{"iv":"1cd0e0522260eef055b9170f4825f4a0"},"cipher":"aes-128-ctr","kdf":"scrypt","kdfparams":{"salt":"bf35e36c45cccefcef73a4c900f41c682c94c28630d94d2d1f764760d245f30b","n":8192,"r":8,"p":1,"dklen":32},"mac":"25b4442972356bea02af57eba3b87803086d90b5e7657a57b528b89b1aa25f2f"}}'; |
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* const account = new Account(); |
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* account.fromFile(keystore, passphrase).then(account => { |
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* console.log(account.bech32Address); |
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* }); |
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``` |
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const txn = new Transaction(txnObject, customMessenger); |
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Get the account balance |
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```javascript
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* const account = new Account( |
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* '45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e', |
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* new Messenger( |
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* new HttpProvider('https://api.s0.b.hmny.io'), |
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* ChainType.Harmony, |
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* ChainID.HmyTestnet, |
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* ), |
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* ); |
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* account.getBalance().then(response => { |
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* console.log(response); |
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* }); |
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``` |
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outputs `{ balance: '9126943763247054940484', nonce: 45, shardID: 0 }` |
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async function signTheTxn() { |
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// Account.signTransaction(transaction: Transaction, updateNonce?: boolean, encodeMode?: string, blockNumber?: string): Promise<Transaction>
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// If the 2nd parameter `updateNonce` is set to true, it will query and update account's nonce before it signs
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const signedTxn = await myAccountWithMyPrivateKey.signTransaction(txn, false, 'rlp', 'latest'); |
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Create a transaction and account, and sign it |
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```javascript
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* const account = new Account( |
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* '45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e', |
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* new Messenger( |
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* new HttpProvider('https://api.s0.b.hmny.io'), |
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* ChainType.Harmony, |
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* ChainID.HmyTestnet, |
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* ), |
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* ); |
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* const { TransactionFactory } = require('@harmony-js/transaction'); |
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* const { Unit } = require('@harmony-js/utils'); |
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* const factory = new TransactionFactory(); |
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* const txn = factory.newTx({ |
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* to: 'one166axnkjmghkf3df7xfvd0hn4dft8kemrza4cd2', |
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* value: new Unit(1).asOne().toWei(), |
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* // gas limit, you can use string
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* gasLimit: '21000', |
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* // send token from shardID
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* shardID: 0, |
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* // send token to toShardID
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* toShardID: 0, |
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* // gas Price, you can use Unit class, and use Gwei, then remember to use toWei(), which will be transformed to BN
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* gasPrice: new Unit('1').asGwei().toWei(), |
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* }); |
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* account.signTransaction(txn).then((signedTxn) => { |
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* console.log(signedTxn); |
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* }); |
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``` |
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// see if the transaction is signed
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console.log(`\n see if transaction is signed: \n ${signedTxn.isSigned()} \n`); |
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Similarily staking transactions can be created and signed using account. |
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// get the tranaction bytes
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console.log(`\n the signed bytes is: \n ${signedTxn.getRawTransaction()} \n`); |
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A wallet represents user wallet that can hold one or more user accounts. |
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return signTheTxn; |
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} |
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Creating an empty wallet |
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```javascript
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* const { Wallet } = require('@harmony-js/account') |
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* const wallet = new Wallet(); |
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``` |
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signTheTxn(); |
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Setting a messenger to be used to send wallet transactions |
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```javascript
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* wallet.setMessenger( |
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* new Messenger( |
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* new HttpProvider('https://api.s0.b.hmny.io'), |
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* ChainType.Harmony, |
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* ChainID.HmyTestnet, |
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* ), |
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* ); |
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``` |
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Create an empty wallet with messenger |
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|
```javascript
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* const wallet = new Wallet( |
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|
* new Messenger( |
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* new HttpProvider('https://api.s0.b.hmny.io'), |
|
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* ChainType.Harmony, |
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* ChainID.HmyTestnet, |
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* ), |
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* ); |
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``` |
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## Usage of Wallet |
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An account could be added to a wallet using different ways. Adding account using mnemonics |
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|
```javascript
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const mnemonics = 'horse distance dry brother pretty manual chicken mushroom town swim prize clutch'; |
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const account = wallet.addByMnemonic(mnemonics); |
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``` |
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### Dependencies |
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|
- @harmony-js/crypto |
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|
- @harmony-js/network |
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|
|
- @harmony-js/staking |
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|
|
- @harmony-js/transaction |
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|
|
- @harmony-js/utils |
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|
Adding account using private key |
|
|
|
|
```javascript
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|
|
const account = wallet.addByPrivateKey('0x676cd9773dd23a4c1d7f22767c61c7b6723cc6be37b078545f6e0e91433a23dd') |
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|
``` |
|
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|
|
|
|
|
|
```typescript
|
|
|
|
|
// constructor
|
|
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|
|
const { Wallet } = require('@harmony-js/account'); |
|
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|
|
const wallet = new Wallet(customMessenger); |
|
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|
|
Adding account using keystore file |
|
|
|
|
```javascript
|
|
|
|
|
* const keystore = '{"version":3,"id":"33363566-3564-4264-a638-363531666335","address":"7c41e0668b551f4f902cfaec05b5bdca68b124ce","crypto":{"ciphertext":"9b09380afb742838b32d9afc0ec1a3df35dbd7a41e3a160d08c07a4d0e79b855","cipherparams":{"iv":"1cd0e0522260eef055b9170f4825f4a0"},"cipher":"aes-128-ctr","kdf":"scrypt","kdfparams":{"salt":"bf35e36c45cccefcef73a4c900f41c682c94c28630d94d2d1f764760d245f30b","n":8192,"r":8,"p":1,"dklen":32},"mac":"25b4442972356bea02af57eba3b87803086d90b5e7657a57b528b89b1aa25f2f"}}'; |
|
|
|
|
* const passphrase = ''; |
|
|
|
|
* wallet.addByKeyStore(keystore, passphrase).then(account => { |
|
|
|
|
* console.log(account.bech32Address); |
|
|
|
|
* }); |
|
|
|
|
``` |
|
|
|
|
|
|
|
|
|
// get signer
|
|
|
|
|
const wallet = new Wallet(customMessenger); |
|
|
|
|
const key_1 = '45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e'; |
|
|
|
|
console.log(wallet.addByPrivateKey(key_1)); |
|
|
|
|
console.log(wallet.signer) |
|
|
|
|
Creating a new account using passphrase |
|
|
|
|
```javascript
|
|
|
|
|
* const passphrase = 'harmony-one'; |
|
|
|
|
* wallet.createAccount(passphrase).then(account => { |
|
|
|
|
* console.log(account.bech32Address); |
|
|
|
|
* }); |
|
|
|
|
``` |
|
|
|
|
|
|
|
|
|
// createAccount
|
|
|
|
|
console.log(wallet.accounts); |
|
|
|
|
wallet.createAccount(); |
|
|
|
|
wallet.createAccount(); |
|
|
|
|
console.log(wallet.accounts); |
|
|
|
|
Get all accounts in the wallet |
|
|
|
|
```javascript
|
|
|
|
|
* wallet.accounts.forEach(addr => { |
|
|
|
|
* const account = wallet.getAccount(addr); |
|
|
|
|
* console.log(account.bech32Address); |
|
|
|
|
* }); |
|
|
|
|
``` |
|
|
|
|
|
|
|
|
|
// encryptAccount
|
|
|
|
|
const key_1 = '45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e'; |
|
|
|
|
wallet.addByPrivateKey(key_1); |
|
|
|
|
wallet.encryptAccount('one103q7qe5t2505lypvltkqtddaef5tzfxwsse4z7', '12345').then((value) => { |
|
|
|
|
console.log(value); |
|
|
|
|
}) |
|
|
|
|
Set wallet signer when multiple accounts exists in the wallet |
|
|
|
|
```javascript
|
|
|
|
|
wallet.setSigner(signerAddr); |
|
|
|
|
``` |
|
|
|
|
|
|
|
|
|
// decrptAccount
|
|
|
|
|
const key_1 = '45e497bd45a9049bcb649016594489ac67b9f052a6cdf5cb74ee2427a60bf25e'; |
|
|
|
|
wallet.addByPrivateKey(key_1); |
|
|
|
|
wallet.encryptAccount('one103q7qe5t2505lypvltkqtddaef5tzfxwsse4z7', '12345').then(() => { |
|
|
|
|
wallet.decryptAccount('one103q7qe5t2505lypvltkqtddaef5tzfxwsse4z7', '12345').then((value) => { |
|
|
|
|
console.log(value); |
|
|
|
|
}) |
|
|
|
|
}); |
|
|
|
|
Sign transaction using wallet, will sign the transaction using the wallet signer |
|
|
|
|
```javascript
|
|
|
|
|
* const txn = factory.newTx({ |
|
|
|
|
* to: 'one166axnkjmghkf3df7xfvd0hn4dft8kemrza4cd2', |
|
|
|
|
* value: new Unit(1).asOne().toWei(), |
|
|
|
|
* // gas limit, you can use string
|
|
|
|
|
* gasLimit: '21000', |
|
|
|
|
* // send token from shardID
|
|
|
|
|
* shardID: 0, |
|
|
|
|
* // send token to toShardID
|
|
|
|
|
* toShardID: 0, |
|
|
|
|
* // gas Price, you can use Unit class, and use Gwei, then remember to use toWei(), which will be transformed to BN
|
|
|
|
|
* gasPrice: new Unit('1').asGwei().toWei(), |
|
|
|
|
* }); |
|
|
|
|
|
|
|
|
|
* wallet.signTransaction(txn).then((signedTxn) => { |
|
|
|
|
* console.log(signedTxn); |
|
|
|
|
* }); |
|
|
|
|
``` |
|
|
|
|
|
|
|
|
|
Similarily staking transactions can be signed using `signStaking` api. |
|
|
|
|
*
|
|
|
|
|
* @packageDocumentation |
|
|
|
|
* @module harmony-account |
|
|
|
|