Questions tagged [eosjs]

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

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Cant create EOS Account with eosjs library(UnhandledPromiseRejectionWarning)

I have already run this code few week back and back then it was working perfectly but now its giving me error UnhandledPromiseRejectionWarning: Error: account names can only be 12 chars long I ...
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13 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
15 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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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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28 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
24 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
16 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
20 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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1answer
34 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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21 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
13 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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error Error: Abi tokenAccount is not cached action.data transaction.actions

I am trying to push a transaction to another account through eosjs. But before doing that I want to call the balance of that account to check if the person is trying to transfer a higher value than ...
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44 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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7 views

EOSJS getting an error while sending a transaction [duplicate]

I am getting an error while pushing a transaction to another account. const eos = Eos(config); const expiration = (new Date(new Date().getTime() + 2*60000)).toISOString(); const ...
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21 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
18 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
64 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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9 views

“JsSignatureProvider is not a constructor” in Firebase Cloud Function

I run the following locally in my machine (or in any of my remote servers) and I get no problem: const JsSignatureProvider = require('eosjs/dist/eosjs-jssig').default; const signature = new ...
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eosjs sign data does not match with eosio assert_recover_key data

at client, I create a signature from seed like this. the key pair is [ '5KgLbwEy7d4qufeLqPnPL1YQU1tscJXCnpqTTn7REaZsjYBjDWr', 'EOS5Mk748B6ojrZdTHP8BoLBXyKjQzzthaqGa4v97vfiGEfbEM2Np'] import ...
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15 views

It didn't match the Provied keys in eosjs

First I got a error: eos.min.js:1 {"code":500,"message":"Internal Service Error","error":{"code":3090003,"name":"unsatisfied_authorization","what":"Provided keys, permissions, and delays do not ...
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27 views

duplicate key value violates unique constraint “_block_number_txid_pkey”

i get this error when i run it 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
43 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
49 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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29 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
34 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
29 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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8 views

JsSignatureProvider in a node or electron context

According eosjs documentation 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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52 views

Search in a multi_index table by multiple fields (compound search)

Here is defined a sample table with four fields, two of them (account and type) I am going to use in my compound search: struct [[eosio::table]] total { uint64_t id; uint64_t account; ...
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1answer
27 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
38 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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50 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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24 views

How to use eosjs with scatter to deploy contract?

I am working on a use case that requires the smart contract to be deployed from frontend, and I am using Scatter as the wallet for the keys. Is there a way to deploy contracts on EOS Network using Eos....
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23 views

How can I get transaction receipt using its id in EOSJS or via RPC? [duplicate]

I want to get transaction by its hash using eosjs or rpc method.
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EOS token payment gateway

I was trying to create an API which integrates with nodeos on my server, rpc calls can be made by the web api for the purpose of a payment gateway for eos . My question is how to integrate an API with ...
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1answer
25 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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73 views

How to encode account name (to get uint64) using eosjs2?

I'm migrating from @scatterjs/eosjs eosjs@16.0.9 to @scatterjs/eosjs2 eosjs@20.0.0. using eosjs I had the following solution: Eos.modules.format.encodeName(name, false) using eosjs2 I found the ...
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2answers
39 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
286 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
51 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
69 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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235 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 ...
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1answer
72 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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1answer
263 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 ...
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53 views

How to validate public key in eos using java?

As there are function in eosjs-ecc library to validate keys in JavaScript: const ecc = require('eosjs-ecc') const pubkey = 'EOSXXXXXXXXXXXXXXXXXXXXXX' const wif = '5HXXXXXXXXXXXXXXXXXXXXXXXX' ...
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1answer
40 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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106 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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48 views

Error while pushing a transaction using python?

after successfully signed the transaction, when i try to push it using the pyton api from the eos developers portal, i got the following error {'code': 500, 'message': 'Internal Service Error', '...
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1answer
150 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/...
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1answer
82 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
106 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 (...