Questions tagged [eosio.token]

Questions related to the system contract for storing the EOS token

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How to import key to wallet using api

I want to import the key generated from the mnemonic to the wallet of eosio server using the api. Please let me know the api like the work on the following cmd. cleos wallet import ********************...
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2answers
79 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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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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2answers
76 views

Is there a way to prevent me spending tokens until an action is called?

I am creating a smart contract but came to a halt when writing the code. Is there a way, in a smart contract, to prevent me from spending tokens transferred to me by another user through the smart ...
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162 views

can the decimal precision of token contract be changed after launch to mainnet?

I'm having trouble getting my token to show up on the Meet.one wallet, thought i had launched it with basic decimal precision of 4, but after testing with scatter can only send upto 2 decimal places. ...
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Error 3070003: Serialization Error Processing WASM while set contract eosio.system

set contract: cleos set contract eosio ./eosio.system -p eosio@active I get : Error 3070003: Serialization Error Processing WASM Publishing contract... Error 3070003: Serialization Error Processing ...
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2answers
216 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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How can we Burn native EOS tokens?

Outside of BP's burning EOS tokens, how can an average user or contract burn EOS tokens? I imagine transferring to eosio.null is the only way?
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1answer
437 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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24 views

solved - contract to transfer multiple tokens

I tried to create a function to transfer multiple tokens on one transaction. code. token.cpp void token::transfers(const name &from, const name &to, ...
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22 views

How to list an eosio token in a decentralized exchange?

I created my own eosio token based on the eosio.token contract. Now, I want to ideally deploy my token to mainnet and list it on a decentralized exchange (uniswap, pancakeswap, etc...) Assuming that I ...
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32 views

Windows Docker Wax Dev failing to build eosio.token contract

Im installing the Wax Dev docker container via: docker run -it --name waxdev -v c:\wax:/wax waxteam/dev bash I then go to run the basic tutorial of creating a simple EOSIO.token from https://...
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1answer
98 views

eosio.token vs copy of eosio.token

We've created a copy of eosio.token to issue our own in-game token. Going forward we might want to add our token to the crypto exchanges. Question: Given that this token was created by our own copy ...
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257 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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2answers
320 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 ...
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1answer
148 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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43 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 ...
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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
21 views

is it possible to listen the return asset quantity of specified account?

is it possible to listen the return asset quantity of specified account in contract? e.g i use contract(A) to send asset of the specified account(B) to a DEX, can i listen the return asset quantity on ...
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1answer
53 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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155 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
43 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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1answer
44 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
79 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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1answer
118 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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2answers
287 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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1answer
30 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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1answer
120 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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1answer
90 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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2answers
140 views

Exception in thread "main" client.exception.EosApiException: Not Found: unspecified while creating account

I am using following of Java code while creating account: Using Java library eos-java-rpc-wrapper adyliu/jeos Using Jungle2 testnet Chain Id of jungle2 testnet: ...
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1answer
181 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
573 views

Issue in transferring EOS from Ledger Nano to exchange

I was getting an issue at the time of transferring my EOS from Ledger Nano S using Fairy wallet to one exchange. It was unable to complete the transaction due to deadline. I got few good response and ...
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1answer
106 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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86 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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1answer
48 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
40 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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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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3answers
44 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
38 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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3answers
2k 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 ...
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1answer
26 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
25 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
28 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
36 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
176 views

If I issue an EOS token, how do I afford the running fee?

I got a question about how to afford the cost of emplace action... code in eosio.token like : statstable.emplace( _self, [&]( auto& s ) { s.supply.symbol = maximum_supply.symbol; ...
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1answer
36 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 ...
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2answers
608 views

Make a transfer inline

I would like to send SYS token owned by the smart contract account to a third party account when anyone call a specific action. I have tried the following code but I am getting an error: [[eosio::...
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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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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
62 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'...