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License: Apache License 2.0
My own library to simplify the use of web3 mostly for testing
License: Apache License 2.0
# EASY WEB 3 Package that simplifies the use of web3: ## Avaiable functions: ``` setProvider (host): init the web3 instance and everything needed setDefaultAccount (account): change the deffault account getWeb3Instance (): check web3 instance up getAddress (contrato): return the address from a truffle contract object getContractInstance (abi, address, web3Instance): return a javascript instance of the contract at address blkListenAllEventsWithFilter (contractInstance, callback, filterParam, filterValue): Get all the event instances in the blockchain blkListenAllEventsContinuously (contractInstance, callback): Listen to event instances continuously blkListenAllEventsOnce (contractInstance, callback): jsethContractFromTruffle (_truffleBuild, callback): returns a jseth contract object from a truffle build json jsethAccountGenerate (): generate an account object to use in ethereum jsethAccountGet (address): instance an account object from a known account printEventLog (instanceEvent) encodePayload (abiFoo, args, callback): encode a paload to a bytes array to use in forwarded transactions signTransaction (nonce, gasPrice, gasLimit, to, value, data, chainId, privateKey): sign a transaction out of the node. data can be get from the contract jseth object encode method ``` ##Examples: ``` var SCController = require('easyweb3'); var AccountAddress = SCController.getLatestAddress(abiAccount); var contractInstance = SCController.getContractInstance(jsonFile.abi, addressWhereWasDeployed); contractInstance.smartContractFunc(exampleParameter); SCController.blkListenAllEventsContinuously(contractInstance, eventHandler); function eventHandler (error, eventRet) { if (error != null) console.error('Error!', error) else console.log(eventRet.event ": " JSON.stringify(eventRet.args)) } SCController.printEventLog(instanceAccountIdContract.allEvents); SCController.blkListenAllEventsWithFilter(contractInstance, eventHandler, 'countryCode', 351); ```
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