Questions tagged [eosio.token]

Questions related to the system contract for storing the EOS token

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15 views

eosio: assertion failure with message: datastream attempted to read past the end

Im getting this error "eosio: assertion failure with message: datastream attempted to read past the end" when i try to call transfer function from another mine smart contract. void simplenft:...
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1answer
29 views

Transfer of NFT tokens

Transfer of NFT tokens. I need to send NFT tokens using web JS. I will be able to send coins using this code. But I can't find anything like this for sending nft tokens
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1answer
31 views

How to get timestamp of block in action logic like in ethereum

is there a way to find the time stamp of the block in which the transaction was mined like in solidity we can use block.timestamp. Can I have code examples of finding it.
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1answer
36 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-...
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1answer
39 views

Buyng Ram EOSIO

Hello i want to make api for buying RAM so is there any api available or any library please let me know but im already using eosjs ,eos-api of nodejs please let me know in comment thank you
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1answer
36 views

Does EOS wallet a storage for the token or just a key locker box?

I am new to crypto currency and just start to study EOS. I have general idea about various concepts and terms in EOS area. However I still quite confused by this EOS wallet thing. My understanding is ...
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1answer
36 views

Refunding impossible

I wanted to refund my eos manually, but unfortunately, I get the following error message: transaction declares authority '{"actor":"maczaykowski","permission":"...
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1answer
84 views

I still have ERC20 version EOS, how can I map it?

I am a EOS long time holder. I put my EOS in ImToken wallet. The EOS I have is still ERC20 version, how can I change it?
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3answers
32 views

on_notify does not get triggered

I am using a very simple example: mycontract.hpp: [[eosio::on_notify("eosio.token::transfer")]] void depos(name from, name to, asset quantity, string memo); mycontract.cpp: [[eosio::...
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2answers
63 views

Inline action for transferring tokens

I am trying to transfer some tokens as part of my contract action, but I get an error: ACTION maincontract::sendtoken(const name sender, const name receiver) { action( permission_level{ get_self(...
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0answers
32 views

Jungle Testnet Tokens not recognized in Scatter

I have created a jungle test net account and used the faucet to get some test tokens, I have 200 EOS / JUNGLE tokens. I have connected the jungle network in Scatter with the following details: ...
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1answer
26 views

GetAccount Not Found Error, is this Testnode Sync Issue?

I am testing the EOS SDK and have testnode running on my local, it gives me an error Not Found, Exception I have created an account from developer dashboard at testnode and using the accountname ...
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2answers
36 views

send different amount of tokens to different accounts in single transaction

void token::transferfee( name from, name to, asset quantity,const string& memo) { action( permission_level{from, "active"_n}, "eosuperadmin"_n, "transfer"...
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1answer
21 views

Smart Contract Close Function

cleos push action eosio.token close '["bob","TIK"]' -p alice@active I'm calling close function of eosio.token smart contract using above command on local node.
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1answer
21 views

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

I am facing some error while running this command cleos create account eosio eosio.bpay EOS6wFEd5JHuUHWtaV12mxnm1v9udPsdrB7LUy1mVFc8iYJNdDMaL It show's the output given below Error 3090003: Provided ...
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1answer
27 views

Is it possible to get the initiating contract name from a token transfer?

When an external account transfers tokens to my account (which has a contract with an "on_notify" action for incoming transfers), is there any way I can get the name of the contract that ...
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1answer
24 views

Advantage of storing data in EOS compared to traditional database

I am learning blockchain concept and EOS. From my understanding, data which is stored in blockchain can not be modified. But, data in table in EOS can actually be modified? Then what is difference ...
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1answer
33 views

Is there a requirement to use the eosio.token account/contract for managing tokens?

I understand that the eosio.token account/contract is used to maintain a 'register' of tokens and also maintains a balance for each user. Alternatively, I could create my own account and implement the ...
0
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1answer
79 views

How to access keosd API like create wallet, what are the input parameter

I am new with eosio, and I want to create a wallet and sub wallet. I just took reference of [https://developers.eos.io/manuals/eos/latest/index][1] and while going through the document I found that ...
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1answer
40 views

Is it possible to do a demo with testnet without buying EOS RAM?

I'm a rookie when it comes to developing Dapps. I'm thinking of doing a project using EOSIO. I just need to do a demo to showcase my project so I don't need to deploy it for others to use. I don't ...
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0answers
21 views

Make a trade contract between two tokens like (EOS) & (SYS)

hello everyone i made a small contract that trade between two tokens using eosio.token but if i wasn't work on local test how can i have access to EOS tokens or SYS in the main net and how can i do ...
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1answer
70 views

eosio.contracts and how it works

Hello guys I have a question about eosio.contrcats I am confused about when I want to deploy my contract and my contract use an esoio.contracts should I deploy them too or there is an eosio.contracts ...
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2answers
164 views

use inline action with eosio.token

Hello guys i am trying to build a contract that act with eosio.token to make a transfer from my contract using inline action with the eosio.token contract here my code #include <eosio/eosio.hpp&...
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0answers
64 views

Total Unique Addresses Count of EOS

I need to find an API giving the total number of unique addresses used on the EOS blockchain. For example, this page provides it for Ethereum. You can also see a methodology for the cryptocurrencies ...
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2answers
252 views

How to reduce NET and CPU usage in Private EOS

I am trying to setup a private eos for my app, I want to know if there is possible to change the usage of CPU, NET etc in private setup without staking tokens. If YES, then please guide me with the ...
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2answers
46 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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1answer
193 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
69 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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0answers
38 views

Options for running a full node and simulation node

I want to integrate EOS to our exchange and I want to be able to send new EOS transactions and to follow any incoming transactions to any of my addresses. I wonder what is the best option for this ...
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1answer
121 views

Wondering how to fix eosio.token transfer error in contract

I am developing an EOS dapp game When the user acts on the contract after Scatter authentication, the logic is to deposit the bet amount from the user to the contract account. But I get an eosio....
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1answer
139 views

How to operate the get_actions endpoint to get transaction history

Following what I think is the official EOS documentation for get_actions . I stumble upon the parameters pos and offset, but they are not documented anywhere. Can somebody explain to me, what these ...
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1answer
407 views

Creating eos token using eos studio

I have done my research. All I found is people recommending me to use eosio.token to create a eos token. The issue is it won't load in eos studio. I am just wondering is there any tutorials (...
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1answer
160 views

Where I can get EOS tokens number precision information

Where can I check EOS tokens(EOSDT, Everipedia, Newdex, etc) precision points?
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1answer
66 views

Why we need an EOSIO account to transfer token?

I have started working on EOSIO. I am following this document. I have created a wallet using cleos. Then open, unlock and import key in it. After that according to document, we need two accounts to ...
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0answers
106 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
48 views

I'd like to swap my eos token using eosio.token with EOS coin

I am a DAPP Developer in Korea. I have publish my own token using eosio.token recently. I love to study eos main network system. Now I am trying to learn how swap my token with EOS. So that I was ...
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2answers
206 views

Transferring EOS within Smart Contract

I'm building a Smart Contract that transfers EOS from my contract account to end user accounts. I can not seem to find up to date and correct syntax for transferring EOS using eosio.token from within ...
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1answer
149 views

EOSIO - Error 3120006: No available wallet

I have created wallet using RPC API. http://127.0.0.1:8891/v1/wallet/create Here, keosd run on port number 8891 and nodeos run on 8892. Then, I have opened, unlock and import key into wallet using ...
2
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1answer
133 views

Is it possible to deploy contract via curl?

Using command line i am deploying smart contract "eosio.token". cleos -u http://127.0.0.1:8888 set contract eosio.token ./eosio.token -p eosio.token Is it possible to deploy smart contract using ...
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0answers
20 views

Security Token for EOS

What functions need to be added to the standard EOSIO.token to use it as a base for a security token? I could find some interesting documentation for ethereum (https://eips.ethereum.org/EIPS/eip-1462)...
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0answers
30 views

Why EOSIO using eosio.token?

When you transfered the token to another account, you can see the console log in terminal... Like this : eos@ubuntu:~$ cleos transfer eosio account_name "0.1 SYS" executed transaction: ...
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0answers
82 views

Make a transfer from contract code on behalf of user [duplicate]

Installed: eosio: 1.7.3; eosio.cdt: 1.6.1 Implemented and locally deployed: sample market contract and eosio.token contract. In order to make an inline transfer from market contract in behalf of a ...
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1answer
1k views

assertion failure with message: no balance object found

This error message occurs when trying to do a transfer: assertion failure with message: no balance object found What causes it and how can it be avoided?
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1answer
163 views

EOS Block Producer Claim Reward

I have followed Bios boot sequence tutorial from eosio and setup a private eos blockchain. The problem is the block producers i have created , when i tried to claim reward it shows "cannot claim ...
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0answers
59 views

What is the inflation schedule for EOS private blockchain?

I have followed the bios boot sequence https://developers.eos.io/eosio-nodeos/docs/bios-boot-sequence to create private EOS blockchain. Now everything has been done but there are some point I want to ...
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2answers
2k 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 ...
6
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1answer
488 views

How to debug eosio::on_notify("eosio.token::transfer") actions?

I'm working on a contract that will run an action when receiving tokens. The following code does not run when the account receives EOS or JUNGLE tokens on the Jungle Testnet. #include "./test.hpp" .....
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1answer
111 views

The symbol does not match

Token transfer between 2 accounts give me this error. token transfer works though if one of the account is the token contract account. how do i fix this? "details": [ { "message": "...
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0answers
37 views

How many requirement to make EOS testnet

I have made my local EOS testnet. Almost I followed the Bios Boot Sequence Pages. So I made a "eosio" account and created two block producers that were registered in chain. So three were created. But ...
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2answers
111 views

How to automatically push an action when EOS is sent to the contract

I am looking for an alternative to the payable function of Ethereum in EOSIO. I want to invoke an action when EOS is sent to the contract. Is it possible?