This is an extend lib for bitcoinjs-lib. It extends the network type of bitcoinjs-lib. It also provides an useful lib to help you building QTUM transactions.
npm install qtumjs-lib
var qtumjs = require('qtumjs-lib')
{
qtum: {
messagePrefix: '\x18Qtum Signed Message:\n',
bech32: 'bc',
bip32: {
public: 0x0488b21e,
private: 0x0488ade4
},
pubKeyHash: 0x3a,
scriptHash: 0x32,
wif: 0x80
},
qtum_testnet: {
messagePrefix: '\x18Qtum Signed Message:\n',
bech32: 'tb',
bip32: {
public: 0x043587cf,
private: 0x04358394
},
pubKeyHash: 0x78,
scriptHash: 0x6e,
wif: 0xef
}
}
/**
* This is a function for selecting QTUM utxos to build transactions
* the transaction object takes at least 3 fields, value(unit is 1e-8 QTUM) , confirmations and isStake
*
* @param [transaction] unspentTransactions
* @param Number amount(unit: QTUM)
* @param Number fee(unit: QTUM)
* @returns [transaction]
*/
function selectTxs(unspentTransactions, amount, fee)
/**
* This is a helper function to build a pubkeyhash transaction
* the transaction object takes at least 5 fields, value(unit is 1e-8 QTUM), confirmations, isStake, hash and pos
*
* @param bitcoinjs-lib.KeyPair keyPair
* @param String to
* @param Number amount(unit: QTUM)
* @param Number fee(unit: QTUM)
* @param [transaction] utxoList
* @returns String the built tx
*/
function buildPubKeyHashTransaction(keyPair, to, amount, fee, utxoList)
/**
* This is a helper function to build a create-contract transaction
* the transaction object takes at least 5 fields, value(unit is 1e-8 QTUM), confirmations, isStake, hash and pos
*
* @param bitcoinjs-lib.KeyPair keyPair
* @param String code The contract byte code
* @param Number gasLimit
* @param Number gasPrice(unit: 1e-8 QTUM/gas)
* @param Number fee(unit: QTUM)
* @param [transaction] utxoList
* @returns String the built tx
*/
function buildCreateContractTransaction(keyPair, code, gasLimit, gasPrice, fee, utxoList)
/**
* This is a helper function to build a send-to-contract transaction
* the transaction object takes at least 5 fields, value(unit is 1e-8 QTUM), confirmations, isStake, hash and pos
*
* @param bitcoinjs-lib.KeyPair keyPair
* @param String contractAddress The contract address
* @param String encodedData The encoded abi data
* @param Number gasLimit
* @param Number gasPrice(unit: 1e-8 QTUM/gas)
* @param Number fee(unit: QTUM)
* @param [transaction] utxoList
* @returns String the built tx
*/
function buildSendToContractTransaction(keyPair, contractAddress, encodedData, gasLimit, gasPrice, fee, utxoList)