Questions tagged [eosjs]

QAs about the JavaScript module eosjs which uses RPC-APIs to interact with an EOS.IO blockchain.

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132 views

How to generate Key Pairs with eosjs

How to generate eos Key Pairs with eosjs? I have installed EOSIO for development of my Dapp and can't figure out how to create Key Pairs with eosjs.
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2answers
126 views

How to get account name or list of accounts from a public key using eosjs? Account is on Jungle testnet

const { Api, JsonRpc } = require('eosjs'); const fetch = require('node-fetch'); const rpc = new JsonRpc('https://api.jungle.alohaeos.com:443', { fetch }); let validAccounts =await rpc....
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56 views

I have some doubts about open function of eosio.token smartcontract

async function openAccount (tokenCreator ) { try{ const result = await api.transact({ actions: [{ account: tokenCreator, //'eosio.token', name: 'open', //'transfer'...
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2answers
143 views

Error: assertion failure with message: comparison of assets with different symbols is not allowed

I am trying to create and account from another account, both on JungleNet. I am using junglenet rpc. Here is my code: const {Api, JsonRpc} = require('eosjs'); const {JsSignatureProvider} = require('...
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1answer
267 views

I'm trying to transact EOS using Scatter in eosjs version 20.0. I'm getting the "f not a function" error. Can someone please guide me?

const ScatterJS = require('scatterjs-core').default const ScatterEOS = require('scatterjs-plugin-eosjs2').default const Eos = require('eosjs') const fetch = require('fetch'); //node only const { Api, ...
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1answer
57 views

Can't create EOS Account with eosjs library (UnhandledPromiseRejectionWarning)

I have already run this code few weeks back and back then it was working perfectly but now it's giving me an error: UnhandledPromiseRejectionWarning: Error: account names can only be 12 chars long I ...
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1answer
68 views

Can I transfer EOS from one account to other using eosjs or is EOS only used for buying RAM and staking? (Both accounts are on jungle testnet)

async function sendEos (sender, receiver ) { try{ const result = await api.transact({ actions: [{ account: 'eosio.token', //'eosio.token', name: 'transfer', //'...
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1answer
92 views

How to use a secondary account to pay for primary accounts cpu/ram using eosjs java script library

I am trying to use a secondary account to pay for cpu/ram for the primary accounts eosio.tokens how do I do that using eosjs library My current action looks like this actions: [{ account: '...
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1answer
111 views

Unable to creating Eos account with nodejs using eosjs library

I have no idea where am i making mistake? please help. const express = require('express'); const path= require('path'); const app =express(); const { Api, JsonRpc, RpcError } = require('eosjs'); ...
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1answer
229 views

How to sign this EOS transaction provided with below code and response?

This below code is working fine in testnet. I want to do transaction, signing and broadcasting individually. I generated the raw transaction, but I don't understand how to sign it. I have provided the ...
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1answer
136 views

How to read a table of a contract?

I'm trying to dump all rows of the sellorder, buyorder and tmporder table of the newdexpublic smart contract. My code is as the following: const fetch = require('node-fetch'); // node only; not ...
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1answer
126 views

How to retrieve filtered multi-index table data?

I have a smart contract that has a multi-index table called reservations - account, time, date, entity. From the code I am trying to use get_table_rows to get all reservations related to a given ...
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1answer
114 views

How to get a list of actions belong to a transaction with eosjs?

Given a transaction id, how to get all actions of this transaction? For example, this transaction 3871d503ec18800861f83851762455491c88e459e0c70d830ed0120134083501 has a inline action that calls ...
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2answers
160 views

how to create a unique user name using public or private key in nodejs?

Like BTC, ETH etc has address, do EOS has address or username etc, I am using below code to generate the public and private key, we do transaction in bitcoin,ethereum etc with a unique address sample ...
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1answer
310 views

How to get Block using JsonRpc from eosjs using nodejs?

Whenever I try to get the block using the eosjs in NodeJS like in the example I get the error 'Invalid Block number or ID, must be greater than 0 and less than 64 characters' Altho when I use other ...
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1answer
87 views

Unknown action hashit in contract eosio

stdClass Object ( [code] => 500 [message] => Internal Service Error [error] => stdClass Object ( [code] => 3050000 [name] => action_validate_exception [what] => Action validate exception [details] => ...
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1answer
441 views

Invalid packed transaction

I am trying RPC API. Here is the code which I am using on cmd for testing a dummy transaction. curl --request POST --url http://localhost:8080/v1/chain/push_transaction --header 'accept: application/...
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1answer
39 views

Can we use addresses to query balances from EOSJS?

I wanted to know if we could use addresses instead of account names to query balances (get_currency_balance) from eosjs?
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1answer
40 views

Cannot create account using EOSJS 16: Permissions Error

I know EOSJS 16 is deprecated, but I want to know how to solve this following error in it. var Eos = require('eosjs'); // Default configuration var config = { chainId: 'CID', // 32 byte (64 ...
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1answer
115 views

Not able to run EOSIO module for demux

while trying to run demux, I am getting an error. The proper initialization has not occurred. Failed to migrate the postgres database. The full error code is this: {"name":"demux","hostname":"...
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1answer
53 views

duplicate key value violates unique constraint "_block_number_txid_pkey"

I get this error when I run demux postgres the first time: Key (block_number)=(1) already exists The code abruptly stops. How do I fix this? dataType:undefined detail:"Key (block_number)=(1) ...
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3answers
98 views

Is it posible to deny EOS transfers for Account?

Imagine I have account A and account B. Account A is the "owner" of B and A wants to deny EOS Transfers for Account B and allow all other Actions(that means A should have full "active" operations)? ...
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1answer
171 views

How to import eosjs-ecc into a react typescript project

I created a 'create react app' with typescript and I now want to import and use eosjs-ecc Can I just import it with yarn add eosjs-ecc and then do import ecc from 'eosjs-ecc' or do I need to clone ...
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0answers
115 views

Unable to retrieve user tokens using get_currency_balance

I am trying to get user tokens with the following method: static async getUserTokens(userAccount) { console.log("Get tokens for: " + userAccount); try { const rpc = new JsonRpc("http://...
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1answer
54 views

What are the patterns and anti-patterns when programming for EOS?

When programming smart contracts or writing eosjs code, there are certain pitfalls that you might fall into if you are not careful. What are some of the patterns and anti-patterns to be aware of that ...
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1answer
59 views

How do i convert a 128_t binary hex to decimal in eosjs?

I have the value: 200000000000000000000000000000 which is represented as: 0x00000040952fe4da5c1f3c8602000000 that i'm trying to convert in eosjs. signedBinaryToDecimal(hexToUint8Array("...
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1answer
488 views

Is there public node available for nodeos & keosd?

Is there any public node url exists of nodeos and keosd for EOSIO mainnet and testnet? Using that URL will access all RPC methods of chain and wallet.
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1answer
461 views

On method call: "assertion failure with message: read"

I am calling a method that is completely commented out. I am calling it from EOStudio and from command line tools. Is this a bug or does someone know how to fix this? assertion failure with message: ...
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1answer
291 views

Get address or eos account transactions

I want to get transaction list of request address or account using EOSJS or any RPC method. Kindly guide for it. As per check EOS dev documentation unable to find method which fullfill this.
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1answer
49 views

Create account in EOS using RPC method or npm package [duplicate]

I wants to create account in EOS using RPC method or Npm package.As per review dev doc of EOS not found any methods for it. I am implementing this in nodejs. Kindly guide for it, how can i process ...
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2answers
95 views

How to programmatically send tokens using EOSJS safely?

According to the EOSJS readme: Using the JsSignatureProvider in the browser is not secure and should only be used for development purposes. Use a secure vault outside of the context of the ...
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2answers
3k views

Transaction requires authority, but does not have signatures for it

I am trying to send tokens from one account to another using eosjs & reactjs with the standard eosio.token contract but I have issues with the authority. Can someone please explain the meaning of ...
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1answer
70 views

EOSLime with Kylin: Account Creation

EOSLime does not seem to be able to create accounts with Kylin chain thru my method. It produces an error that there is insufficient RAM. My method: let default_a = eoslime.Account.load('...','...');...
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1answer
228 views

TypeError: f is not a function

I'm trying out the eosjs official documentation, but can't make any RPC calls. This is how I've initialized everything: const { Api, JsonRpc, RpcError } = require('eosjs'); const { fetch } = require('...
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1answer
428 views

How to create a multi-sig proposal with eosjs?

I am trying to create a multi-sig proposal (eosio.msig::propose) using eosjs v20.0.0. The proposed transaction is arbitrary but in my case, I would like to propose an updateauth action. The ...
3
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1answer
141 views

modules.format.encodeName() replacement in 20.0.0?

In eosjs@16.0.9 I have a Eos.modules.format.encodeName() Is there something like that in eosjs@20.0.0 or what can I use to replace it?
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2answers
604 views

Get Table Rows with Pagination

How do we get records from a table by pages? My requirement: I have a table with 100 records and want to display all these records in my front-end-application with 10 records per page and if the user ...
0
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1answer
87 views

How to avoid CORS error on testnet?

When accessing an eos contract via eosjs, it works fine on a local net, but raises an error on testnet (jungle): Access to fetch at 'https://jungle.eosn.io/v1/chain/get_abi' from origin 'http://...
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1answer
443 views

Error: fetching abi for <accountname>: Read past end of buffer

I am trying to send transaction but getting this error Error: fetching abi for : Read past end of buffer
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1answer
366 views

Installing and running an EOS mainnet node

The purpose of this installation is for me to be able to make /v1/chain/ mainnet API requests on a remote server that I have access to that won't disrupt mainnet itself. I tried using EOSNation/...
0
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1answer
115 views

Error while signing a transaction using nodejs wallet API?

I am building an eosdapp using nodejs code.I got the wallet api from the developers portal,but when i run the code i get the following error. {"code":500,"message":"Internal Service Error","error":{"...
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1answer
439 views

EOSJS error Non-base58 character

Please help! I'm currently encountering the ff. error Uncaught Error: Non-base58 character at Object.decode (eosjs-jssig.js:26) at Object.checkDecode (eosjs-jssig.js:15) at y (...
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1answer
268 views

Cannot create account using the EOSJS Create Account

eosjs 20.0.0 cannot create new account using the eosjs rpc call see following code snippet below. const addPrivateKey = "EOS8i1CXTY4Sz39XaQWX2RpccsCZ1nWM3w9zRhjCFChdci2Y65ck4"; const rpc = new ...
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1answer
129 views

How to unlock my wallet using nodejs?

The code given below is my nodejs code forunlocking my wallet name "seek".I got this API from eos developers portal,but don't know how to pass input data(wallet name and password) into it.Please help ...
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1answer
40 views

Is there any way to discard a committed transaction?

I always have this doubt whenever i push a transcation. Is there any way to cancel a committed transaction before it's verifed by the block producers?
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2answers
181 views

Is there any IDE for eos smart contract?

Is there any IDE for compiling eos smart contract? for example ethereum have remix to compile and run solidity based smart contract.
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1answer
50 views

Any python api for getting account name by inputting public key?

Is there any python api for getting account name by inputting public key? I have got this code from developers portal, but I don't know how to use it. import requests url = "http://host/:port/v1/...
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2answers
186 views

how to avoid scatter confirmation message?

I have built an dapp EOS blockchain. It's almost like twitter where the user can tweet and also use as a microblogging site in EOS blockchain.I have used scatter as transaction signer for using my ...
0
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1answer
70 views

eosjs-ecc in other languages?

I'm looking for a way to do this https://github.com/EOS-Nation/eos-encrypt/blob/master/examples/encrypt-multiple-keys.ts it Java and Swift. Did anyone try to port it?
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1answer
113 views

How to add the formula of ram calculate price for eos in our project?

Actually I am building an application and I would like to add the ram calculation for eos there. if anyone wants to calculate the ram for the accounts creation, he can use our website.thanks.