@appchain/plugin
v0.20.1
Published
Promise based [CITA RPC](https://docs.nervos.org/cita/#/rpc_guide/rpc) toolkit.
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Readme
AppChain-Plugin
Promise based CITA RPC toolkit.
Features
- Supports the Promise API
Installing
$ yarn add @appchain/plugin
Example
import appchainPlugin from '@appchain/plugin'
const SERVER = 'localhost:1337'
const { appchain } = appchainPlugin({ server: SERVER })
/**
* @function metadata
* @description request metadata of specified chain
* @param {{blockNumber}}
* @return {Metadata}
*/
appchain.metadata({ blockNumer: '0x0' }).then(metadata => console.log(metadata))
/**
* @function netPeerCount
* @description request net peer count
* @param null
* @returns {string} peerCount
*/
appchain.netPeerCount().then(count => console.log(count))
/**
* @function getBlockByNumber
* @description request block by block number
* @param {string} quantity - quantity is the current block height of CITA
* @param {boolean} detialed - return transaction list if true, otherwise return hash of transaction
* @returns {object} block
*/
appchain
.getBlockByNumber({
quantity: blockNumber,
detailed: true,
})
.then(block => console.log(block))
/**
* @function getBlockByHash
* @description request block by block hash
* @param {string} hash - block hash
* @param {boolean} detailed - return transaction list if true, otherwise return hash of transaction
* @returns {object} block
*/
appchain
.getBlockByHash({
hash: blockHash,
detailed: true,
})
.then(block => console.log(block))
/**
* @function getBlockHistory
* @description retrieve blocks of height from (by - count + 1) to by
* @param {by: string, count: number} - by: the startpoint of history, count: the count of records to retrieve
* @return {array} list of block
*/
appchain
.getBlockHistory({
by: '0x4bb99',
count: 5,
})
.then(blocks => console.log(blocks))
/**
* @function getTransaction
* @description request transaction detail
* @param {string} transactionHash
* @return {object} Transaction
*/
appchain.getTransaction('0x...').then(transaction => console.log(transaction))
/**
* @function getLogs
* @description requestion log on specified block
* @param {{topics: Topic[]}}
* @return {object} Logs
*/
appchain.getLogs({ topics: [] }).then(logs => console.log(logs))
/**
* @function getBalance
* @description get balance of specified address
* @param {{addr}} - addr: specified address
* @return {Balance}
*/
appchain.getBalance({ addr: '0x...' }).then(balance => console.log(balance))
/**
* @function getTransactionCount
* @description get transaction count of specified addr
* @param {{addr, blockNumber}}
* @return {TransactionCount}
*/
appchain.getTransactionCount({ addr: '0x..', blockNumber: 'latest' }).then(count => console.log(count))
/**
* @function getTransactionProof
* @description get transaction proof of specified transaction hash
* @param {string} trasnactionHash
* @return {string} transaction proof
*/
appchain.getTransactionProof('0x...').then(proof => console.log(proof))
/**
* @function newFilter
* @desc create new filter
* @param {Array<topic>} topics
* @return {string} filterId
*/
appchain.newFilter([])
/**
* @function newBlockFilter
* @desc create new block filter
* @param None
* @return {string} filterId
*/
appchain.newBlockFilter()
/**
* @function uninstallFilter
* @desc uninstall filter
* @param {string} filterId
* @return {boolean} success
*/
appchain.uninstallFilter(id)
/**
* @function getFilterChanges
* @desc get filter changes
* @param {string} filterId
* @return {Array<Result>} logArray
*/
appchain.getFilterChanges(id)
/**
* @function sendSignedTransaction
* @desc send signed transaction
* @param {string} signedTransaction
* @return {object}
*/
appchain.sendSignedTransaction(signedTransaction)
/**
* @function setServer
* @description set server
* @param {string} server
* @return undefined
*/
appchain.setServer('http://localhost:1301')