Questions tagged [eosjs]

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

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2 answers
365 views

How to listen/get on-chain data in real time

I know that I can use eosjs to read/query multi_index table data from the chain. However, my goal is to listen to/on these changes. Specifically, I want to receive a notification whenever something ...
3 votes
2 answers
176 views

modules.format.encodeName() replacement in 20.0.0?

In [email protected] I have a Eos.modules.format.encodeName() Is there something like that in [email protected] or what can I use to replace it?
3 votes
1 answer
308 views

Deploy Contract from browser using eosjs

so I would like to deploy an EOS contract using eosjs. I encountered several problems (especially with converting the .abi and .wasm files). All the examples either use node (so fs is available) or an ...
0 votes
1 answer
74 views

Scatter detection delay issue

I am working on developing a web app in EOS. I am using scatter browser extension to sign the transactions. During page load, the status of scatter is checked using the following code const setStatus ...
2 votes
2 answers
331 views

A possible alternative sign in/login process instead of firebase auth / amazon cognito using an eos contract?

I had the the idea of a secure alternative login process using an EOS smart contract instead of firebase or Amazon cognito. I would like to know if something like this feasible? My idea is somewhat ...
0 votes
1 answer
68 views

Smart contract redeem token action - Example

Do you have some example that shows how to design an action for a smart contract that when the user sends a REDEEMCODE action the smart contract will transfer some quantity of a custom token for the ...
0 votes
1 answer
528 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 ...
0 votes
1 answer
39 views

How much RAM saved / latency added from new KV Table

How much RAM do the KV Tables save / how much additional latency does this storage type add to the trx lifecycle? https://github.com/EOSIO/eos/releases/tag/v2.1.0
0 votes
1 answer
379 views

Setting eosio.code permission for contract account in eosjs

I am trying to set the eosio.code permission for my contract on account kbo2byvpkbiy (private blockchain). The reason I want to do this is calling eosio.token/transfer from within this contract. All ...
0 votes
2 answers
197 views

How to create an EOS account using eosjs without existing account and its private key

I have a question about EOS, eosio and eosjs. I want to create an EOS account using frontend website that I developed. I I recognize that creating an account needs existing account, and needs its ...
0 votes
1 answer
136 views

How to obtain signatures?

I'm trying to send a transaction by using eos push_transaction, but I don't have signatures. I found some exaples, they have signatures like below, they start with SIG_K1_ I have a transaction object. ...
0 votes
1 answer
101 views

How much RAM to buy?

How can one determine the amount of RAM to buy for a new account and for regular transfer actions? The page here recommends 4K of RAM: https://support.bancor.network/hc/en-us/articles/360018325291-...
0 votes
0 answers
4 views

i transfered over 300$ using EOSNCONTRACT wallet to another wallet but the token failed to deliver

I transferred the eos token from one wallet to another using the eosncontract wallet address Transaction id: 4458b2639b7cc5ffdde7785ed31d39a4910322baf2c220f0c0bc7d063e11e551 and ...
0 votes
1 answer
126 views

eoslime: Provided keys, permissions, and delays do not satisfy declared authorizations

When Trying to run my test with eoslime test and calling eoslime.Contract.deploy(...., ....) I get Error: the string "{\"code\":500,\"message\":\"Internal Service Error\",\"error\":{\"code\":...
0 votes
1 answer
134 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":{"...
0 votes
1 answer
73 views

EOSJS get information about a list of the multi-index table rows

Suppose that I have a user table, where each user has a status. TABLE user_info { name username; uint64_t status = 0; auto primary_key() const { return username.value; } }; ...
1 vote
1 answer
39 views

I want to store additional data on the "submit_transaction" using transact on the api object

I am new to the eosio platform. My goal is to store additional data onto the testnet.eos.io and receive a transaction_id which I managed to do. However on searching my transaction_id I see my ...
0 votes
1 answer
65 views

WARN: 10 attempts to find canonical signature

What does this warning mean? WARN: 10 attempts to find canonical signature This is a warning as I understand from eosjs.
0 votes
1 answer
1k views

WAX - Signature error : "Message: transaction declares authority, but does not have signatures for it."

I'm trying to send a transaction from my react frontend to local chain, I have signed in wax cloud wallet and made a transaction. But at last I met this signature error. "Message: transaction ...
0 votes
1 answer
74 views

Name should be less than 13 characters, or less than 14 if last character is between 1-5 or a-j

i am facing this error when i hit my Post API,Basically i am creating this API for propose the Multisig Transaction. And i am follow the documentation of EOSJS from offical website of EOSIO. MY naming ...
0 votes
1 answer
169 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://...
0 votes
1 answer
59 views

Creating an account key pair outside of using eosjs

Hello Guys is there any method through which I can create a valid EOSIO key pair without using EOSJS, If that's not possible can any one explain how does eosjs-ecc create those keys and can I ...
0 votes
1 answer
104 views

EOS 'newaccount' action generates the error Error: missing authority.keys (type=key_weight[])

I have created a MultiNode Setup using the Bios Boot sequence https://developers.eos.io/welcome/latest/tutorials/bios-boot-sequence. And created the accounts as 'eosio' & 'accountnum11'. I am ...
0 votes
1 answer
67 views

Signing and submission of transaction seperately

is there any way where we can have a user sign a transaction using their private key on the front end. And we get the signed transaction transfer it to our server over the internet and push the ...
0 votes
1 answer
179 views

What causes this error: Error: Required configuration or TAPOS fields are not present

What causes this error? Error: Required configuration or TAPOS fields are not present I am pushing transactions to a mainnet block producer and I am receiving this error intermittently. Any help would ...
1 vote
3 answers
195 views

How to "get currency balance" with mongo_db_plugin?

I'm struggling to find the answer to that issue and thought maybe the collective knowledge might be helpful ;-) I'm trying to get the balance of a certain token for a specific account from the ...
1 vote
1 answer
130 views

Code sample to use PowerUp feature

Can someone point me to code samples on how to use PowerUp feature? Also, how can a wallet be setup to use it automatically? Thanks in advance.
0 votes
1 answer
105 views

Is there a C++ library just like eosjs?

I want to sign and send transactions (generally trigger any smart contract action) from a c++ external app. How can I do this? If my app was in javascript, that would be easy since I know that I can ...
1 vote
2 answers
396 views

New JSSignatureProvider is not a function in EOSJS

Version of EOSJS eos@fffff and eos@beta3 Describe the bug const JsSignatureProvider = require('eosjs/dist/eosjs-jssig'); const signature = new JsSignatureProvider([privKey]); TypeError: ...
0 votes
1 answer
87 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 ...
0 votes
1 answer
62 views

dApps: Public networks & Messaging

Could you please help me to figure out the following questions? Is it safe if users of a decentralized application use public nodes endpoint via RPC to make transactions to smart contracts? Such as ...
0 votes
1 answer
62 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 ...
0 votes
1 answer
348 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 ...
3 votes
1 answer
191 views

EOSJS how to query the top voters

I can get some unsorted voters by using await eos.getTableRows({ json: true, code: 'eosio', scope: 'eosio', table: 'voters', // tableKey, // lowerBound, // upperBound, ...
1 vote
2 answers
346 views

How to transfer/deposit tokens on Front end Dapp with Scatter?

I am working on an EOS frontend Dapp with Scatter on local chain. I am getting a problem with transfer/deposit tokens from one account to another. After logging into scatter with "test1" and trying to ...
0 votes
0 answers
17 views

Error: assertion failure with message: Signing value already used

I try to do several actions in one transaction on Wax blockchain in Node.JS. All accounts share same active key. Sometimes it works and everything is fine, but mostly I get an error: "assertion ...
1 vote
2 answers
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 ...
0 votes
0 answers
13 views

What is the cost of token generation on EOS?

I am able to generate tokens in BSC. It costs around 5-6 dollars. But I don't know the cost of token creation on EOS network. I would be glad if you give an answer. Good work.
0 votes
1 answer
64 views

What is the latest version of eosio and what is the new github site?

Why is the official github no longer updated last year? How do I build the latest image?
1 vote
2 answers
119 views

How to get irreversible status in eosjs?

I am currently using api.transact to send the transaction to the eos Blockchain. I want a way to check for irreversile status so that I can confirm that the transaction has happened successfuly. Is ...
2 votes
1 answer
64 views

Multinode data with eosjs

I need to prepare eosio dashboard for that I need multi nodes information. I am using eosjs nodejs library to get genesis node chain information. Can I get which other nodes are connected with genesis ...
0 votes
2 answers
108 views

How to use resource_payer on eosjs

EOSJS added a new feature to their library and now we can specify the resource payer. I wanted to try and use it but their example doesn't work.
1 vote
0 answers
46 views

How to catch transaction errors?

I'm trying to send a specific number of transactions per day to a smart contract. Because of low CPU stake I easily get CPU error. My goal is to catch this error and handle it in order to keep trying ...
1 vote
1 answer
341 views

Max inline action depth per transaction reached on simple EOS transfer action call?

I am seeing the error Error 3040000: Transaction exception Ensure that your transaction satisfy the contract's constraint! Error Details: max inline action depth per transaction reached after a ...
0 votes
1 answer
163 views

Difference between send and push transaction

So I've been thinking about this from the start but haven't found any resources on how they differ. On the eosio chain api reference, there is a send_transaction method and a push_transaction method. ...
0 votes
1 answer
109 views

Claim rewards system (Something like how alien worlds give rewards to players)

I'm trying to make something similar to alien worlds, how can I transfer tokens from the contract to the user but have the resource costs go to the user using EOSJS?
0 votes
1 answer
87 views

Provided keys, permissions, and delays do not satisfy declared authorizations

I am trying to sign transaction and push manually using eosjs. const signatureProvider = new JsSignatureProvider([privateKey]); const sigResult = await signatureProvider.sign({ chainId: ...
1 vote
0 answers
24 views

How can I use nonsecure connection to localhost instead of secure one

I'm pretty new with EOS programming and I'm trying to run simple broadcast transaction. I'm using following code: let transaction = EosioTransaction() transaction.rpcProvider = EosioRpcProvider(...
0 votes
2 answers
362 views

How to call Wax action in PHP

All of the tutorials on building dApps, they use Javascript and then they tell you how NOT to do it by using your PK to create a signature. So I'd like to use PHP on the backend and grab my key from a ...
1 vote
1 answer
41 views

How to validate data from new return data value feature stored in block header

How would one go about validating the data from the block header of a return data value action? It seems like a cool feature, but you'd need a full history node to validate wouldn't you? https://...