Questions tagged [eosjs]

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

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4
votes
1answer
98 views

EOSJS vote producer fails when voting for more than two producers?

We're trying to use scatter + eosjs for voting. This works fine if you pick one or two producers but any more than that and you get the following 500 error - POST https://api.kylin.alohaeos.com/...
1
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0answers
24 views

How to deploy my samrt contract on testnet in EOS [duplicate]

I have successfully pushed the transaction and deployed the smart contract on private net, I want to know How to deploy it on testnet. I have created the account on Jungle testnet.. Kindly tell me ...
1
vote
1answer
288 views

eosjs, have getActions working both ways

I've been struggling with that for a couple days and I'm crawling out for help now ;-) I've been using eosjs to parse the Actions of an account but all I can see are the transactions created by the ...
1
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0answers
269 views

Error 3090003 - How to provide signatures for eosio.code?

When I try call custom smart contract action I get this error. message":"transaction declares authority: '{\"actor\":\"triviafrenzy\",\"permission\":\"active\"}', but does not have ...
1
vote
1answer
85 views

How do I get my transaction Id to sign the transaction?

While signing the transaction there are 3 parameters that we need to pass, 1) txn 2) keys 3) id How Can I get my id and also what should be the structure of the transaction parameter, Kindly help
1
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0answers
68 views

Transaction exception while pushing transaction

While calling the push transaction API with the following body { "signatures": ["SIG_K1_K5umBpyieHE6czvtDMEAVjypG5Zz5sYo4NKbUkqJfe562mX22aLGwwZsYSQJLhBZi5s3hvjg6zVfS3ZucM97Ji5KNXSm4a"], ...
1
vote
2answers
64 views

Standard of communications between dapps and dapp browsers

I am building a dapp on EOS, and wondered what is the best practice of communicating with the dapp browser. For example on Ethereum I implemented the web3 library and all commands and apis were ...
1
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3answers
313 views

unsatisfied authorization error while push transaction

While using the push transaction I am getting the below error, Kindly help { "code": 500, "message": "Internal Service Error", "error": { "code": 3090003, "name": "unsatisfied_authorization", "what": ...
1
vote
1answer
182 views

What is a packed transaction?

This could be a noob question. While going through the community, I have seen some questions regarding packed transaction. Can anyone explain what is a packed transaction?
1
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0answers
87 views

generate eos keypair from Mnemonic/Seed

is it possible and is it secure to generate eos keypair using bip39 mnemonic seed? something like: const hdkey = require('hdkey') const wif = require('wif') const ecc = require('eosjs-ecc') const ...
1
vote
1answer
65 views

latest EOSJS (20.0.0-beta2): missing node_modules/eosjs/lib/index.js?

Trying to import latest build of EOSJS but getting error: Error: ENOENT: no such file or directory, open '.../node_modules/eosjs/lib/index.js' previous versions 'work' until I try to access the Rpc....
2
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3answers
262 views

Need to perform automatic smart contract function execution

Can we have a function in a smart contract to be executed automatically after some time? for example, transfer some tokens after every 5 seconds.
1
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0answers
96 views

Maximum call stack size exceeded with scatterjs and eosjs

Use in vue const eosOptions = { expireInSeconds: 60 } const network ={ blockchain: 'eos', protocol: 'http', host: 'jungle.cryptolions.io', port: 18888, chainId:'...
1
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0answers
181 views

List of transactions from a contract

I've been on this all day and can't figuring it out on my own so I'm reaching out for your help ;-) How can I get the list of ALL the transactions associated with an account? I've tried to play ...
2
votes
0answers
18 views

How to deserialise extended amount?

How to deserialise extended amount from "0x00924c50832000000000000000000000" to a number in JS or PHP?
1
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2answers
259 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 ...
1
vote
0answers
92 views

scatter get identity generating a new publickey instead of using the keypair in the identity

I am trying to verify if account name belong to a publickey gotten in the client side with the browser. Why does scatter getIdenity function returns the right identity with the right eos account but ...
1
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0answers
303 views

How to call a contract from scatter

I want to make a transaction with Scatter but I'm getting this error function callContract(){ const account = scatter.identity.accounts.find(x => x.blockchain === 'eos'); const ...
1
vote
2answers
465 views

Querying EOSIO system contract table

How do I query an EOSIO system contract table ? As a learning challenge, I am trying to figure out how to calculate the amount of EOS votes cast and aggregate attributes of vote. Can I use eosjs to ...
2
votes
2answers
684 views

Getting Error while creating new account using EOSjs on Jungle-testnet

I am creating accounnt using EOSjs(20.0.0-beta1).My account_creat function goes like this: const createNewAccount = async ( account_name, owner_publicKey, active_publicKey ) => { try { ...
1
vote
1answer
28 views

Data bandwidth usage fees in eos

Where is smart contract data like a table stored? When I use eojs and execute getTableRows for example, are there any fees or limits?
4
votes
1answer
938 views

How can I get an accounts currency balance using eosjs

In the new version of eosjs, the getCurrencyBalance() method is no longer supported. How can I still get the currency balance of an account using eosjs?
2
votes
2answers
191 views

How to make a random uint64 to send to an EOS contract

My friend had made an EOS contract and he has asked me to submit a random uint64, I need to generate this in nodejs. Do I need to use a library like big number https://www.npmjs.com/package/big-...
2
votes
1answer
45 views

How to make “Game Items”

I have seen "game items" listed on https://bloks.io/account/rektplebeian how are these items created, and issued?
1
vote
1answer
59 views

Same name table of different contracts got merged

I wrote a contract, suppose C defining the multi-index table T. Table struct has two parameter suppose x and y. x was the primary key. I made some entries in T and when i tried to access it back, I ...
2
votes
1answer
127 views

How can I scan transactions on some contract address with eosjs

I want to scan transactions on some contract address and store this data to the DB with eosjs. How can I do this?
2
votes
4answers
318 views

Error in eosjs account creation on localnet

I am trying to create an account using eosjs in node.js. I am using : eos = Eos({keyProvider}); eos.transaction(tr => { tr.newaccount({ creator: 'eosio', name: '...
6
votes
3answers
1k views

Multiple EOS transfers in a single transaction

Is it possible to pack a few transfers of EOS token to different accounts inside of single transaction? I know it's possible to pack multiple arbitrary actions inside one tx, but what about EOS token ...
2
votes
1answer
230 views

How to access data returned from eosjs?

I am struggling to find the right way to access the data in my react component. This is my action creator. I save every row returned from the promise into an array export function getBlocks(){ ...
2
votes
1answer
82 views

I want to perform 2000 transactions but when i am looping trough the eosjs code it throws an error

The error name is expired_tx_exception and the code for the same is 3040005 please tell me how can I perform these much transactions per seconds. I am able to perform 250 transactions per seconds but ...
2
votes
1answer
61 views

I Need Help Setting Up a Back-End Infrastructure for my Future DApp

I'm going through the process of designing a desktop DApp. I'm going to use GraphQL API's to connect the EOS blockchain to a Node.js server that'll use MongoDB with Electron.js and React.js on the ...
4
votes
2answers
957 views

What is the best way of storing data on EOS blockchain?

I come across a situation where i need to implement a relational database for an application. Now my question is how to implement it and where should i save the data? also i don't want to save data on ...
1
vote
1answer
66 views

how can I implement recovery key thing in eos private network?

There are two keys associated with wallet 1st active and 2nd owner key. What if I forget this keys and want to recover how can I do that on a private network?
2
votes
1answer
782 views

Provided keys, permissions, and delays do not satisfy , but does not have signatures for it under a provided delay of 0 ms

my Code var EosApi = require('eosjs-api'); const Eos = require("eosjs"); // ./cleos create key #OwnerKey // Private key: 5KVihg2u3yZpBtoLhRGvqf6vBsq9swjyvUkvbpMVMQWz11NbMa2 // Public key: ...
2
votes
1answer
559 views

how to create private network same as mainnet?

I want to build a private network same as the mainnet of eos. Just like it's mainnet I want to have 21 producers I want voting and etc. etc. how exactly I can do that can anyone list the steps for the ...
2
votes
3answers
787 views

How to create wallet using eosjs or RPC call

I want to perform cleos create wallet -n <wallet_name> using an RPC call or any predefined library like eosjs. Please Help... EOS version : 1.2.0
2
votes
1answer
1k views

sign & push transaction separately eosjs

Goal: be able to separately create, sign and broadcast a transaction: Global for both approaches: const privkey = '5KQwrPbwdL6PhXujxW37FSSQZ1JiwsST4cqQzDeyXtP79zkvFD3'; Approach 1: ...
8
votes
2answers
738 views

Can we set permission using eosjs?

Using cleos, we can set the permissions like this: cleos set account permission <your-account> active '{"threshold": 1,"keys": [{"key": "<your-key>","weight": 1}],"accounts": [{"...
2
votes
1answer
336 views

EOSJS - error message when eos.transfer(..)

When I try to call eos.transfer(..) I'm getting this error { message: 'assertion failure with message: unable to find key', file: 'wasm_interface.cpp', line_number: 930, method: 'eosio_assert' } ...
4
votes
1answer
202 views

Why do we have to provide private keys in eosjs?

Eosjs takes a parametre in its config viz. keyProvide where we have to pass the private keys. Eos = require('eosjs') // Private key or keys (array) provided statically or by way of a function. // ...
1
vote
2answers
355 views

Get the block_num_hint for calling eos.getTransaction(id, blockNumHint)?

How can I get the block_num_hint for calling eos.getTransaction(transactionID, blockNumHint) ? Using eosjs or any other library/api. I tested it without, with only 1 above or below and received ...
3
votes
1answer
143 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
1answer
426 views

How to find the common table names for EOS [duplicate]

Learning EOSJS right now, I wonder how to get the commonly used table names by EOSIO for eos.getTableRows method? It seems to be a very basic thing yet I can't seem to find a reference for it.
2
votes
1answer
224 views

list of confirmed and unconfirmed transactions of address / account

I wanna show users a list of confirmed and unconfirmed transactions of a specific EOS address or account name, using eosjs. Similar like a Ethereum block explorer. Any ideas or work arounds? If ...
4
votes
1answer
441 views

How can I transfer RAM from one account to another?

I have account with some kilobytes of RAM and I need transfer a part of the RAM to another account. What should I do?
1
vote
0answers
144 views

How to get assertion messages from Nodeos?

When I trigger a failing eosio_assert my Nodeos instance outputs something like: 2018-08-01T16:45:42.006 thread-0 http_plugin.cpp:476 handle_exception ] Exception Details: 3050003 ...
2
votes
1answer
89 views

EOSJS Api Is it possible to iterate over and eval the functions?

Backstory: I'm creating a UI and I'd like an option for advanced users to be able to execute any function in the API. I've successfully imported the eosio_system.json file which contains all the API ...
1
vote
0answers
245 views

Using recover_key with eosjs

I want to validate user signatures in my smart contract. As I understood, I am supposed to do that with recover_key function from crypto.h I am using JavaScript with eosjs and eosjs-ecc for ...
2
votes
1answer
224 views

Set a contract containing deferred transaction from front-end

I am trying to figure out the way to set contract which has deferred transactions at run time from front-end. Is it even doable? Any suggestions would be appreciated.
3
votes
1answer
481 views

Eos and Scatter

When using scatter, what does Eos refer to when making this call? const eos = scatter.eos( network, Eos, eosOptions ); Docs: https://get-scatter.com/docs/dev/signature-providers