All Questions

Filter by
Sorted by
Tagged with
0
votes
0answers
2 views

I was staking some EOS in Lynx Wallet. How to unstake and withdraw after update?

I was staking some EOS in Lynx Wallet. How to unstake and withdraw after update? Hi, I had some EOS in Lynx Wallet (Android) since a long time. Recently I updated the Lynx Wallet. Now it says TLOS:...
0
votes
1answer
6 views

While restarting eos local node, I'm facing this error?

What can I do to not lose the data ?
0
votes
0answers
9 views

How to set vector type field as a secondary index in smart contract?

I want to set a group vector as a secondary index in the user smart contract. group is the list of groups. Following is the changes I am doing: struct [[eosio::table]] usertable { ...
0
votes
0answers
5 views

Where does the RAM comes from?

The RAM is the resource to keep information of a Dapp user in the blockchain memory. Where does this comes from? Who does release it? Who determine its supply and how?
0
votes
1answer
17 views

Multiple smart contracts with single account

I have three smart contracts (A, B, C) and one account (X). As the requirement is I just need only one authority (administrator) who is going to manage all these smart contracts data. So I deployed ...
0
votes
1answer
5 views

How to add mongodb to your private network unable to find plugin: eosio::mongo_db_plugin

I am trying to setup mongodb on private network node on cent OS 7 based server but it throws error unable to find plugin: eosio::mongo_db_plugin. I have uncommented mongo plugin settings in config.ini....
0
votes
0answers
7 views

Does EOS.IO's ChainAPI support contract execution?

We are looking for contract-execution capabilities similar to Ethereum's eth_call that allows for executing a smart contract via sending an RPC call. From EOS.IO's Chain API, https://developers.eos....
0
votes
0answers
13 views

How to add “eosio.code” permission to an account on testnet?

I am trying to add a the "eosio.code" permission to an account on testnet. I am using the following command: cleos -u https://api.testnet.eos.io set account permission lsqkeotnnpyu active '{"...
0
votes
0answers
11 views

How to give and check relationship between two smart contracts?

I am working on two smart contracts Users and Groups. The relation is one user can have many groups. Can I have such a relation in these smart contracts? After smart contract deployment and data ...
0
votes
0answers
11 views

Does EOS.IO's ChainAPI supports Ethereum's `eth_call` style capability? [duplicate]

In Ethereum RPC, there is an eth_call that allows to execute a smart contract function on the RPC node. Does EOS.IO's ChainAPI supports the similar capability with eth_call?
0
votes
1answer
9 views

How to reduce block production speed in private Network Setup

I setup an eos private network which is creating block at speed of 500ms per block is it possible to reduce it to 2sec per block or more The problem is most of the blocks gets produced with 0 txs in ...
0
votes
1answer
9 views

MacOS RPC Interface not working

So, I'm just starting and I run a MacOS device. First issue: "Failed to connect to localhost port 8888: Connection refused" after running curl http://localhost:8888/v1/chain/get_info in MacOS I ...
0
votes
1answer
14 views

What does the compact signature mean

Hi recently when I use the secp256k1 library to generate the test vector, I find that EOS add some more API into the "official secp256k1" lib of bitcoin. For Exp, for signature generating, EOS lib API ...
0
votes
1answer
25 views

How to check authorization for a particular account in EOS smart contract?

I want to write an EOS smart contract to manage users data. I need that only some admin account will able to add, update and delete users and the particular user can only update data. Can I check ...
0
votes
1answer
14 views

Secure access to my private Blockchain

I have a private blockchain based on EOS. I would like to know, know how to secure all access to the EOS blockchain using an account. I'm talking about access to APIs that could give information or ...
0
votes
0answers
28 views

Scatter issue on Mac “There was an issue discarding DAPPHDL”

I just upgraded my scatter to version 12.1.1 and I'm getting the error: "There was an issue discarding DAPPHDL" When I try to wipe it.
0
votes
1answer
13 views

How to change permission when pushing an action?

Hello I successfully deployed my contract on the jungle testnet on the account rpstestacc13. However when I want to push an action it says that it is missing authority of rpstestacc13. polo@polo-...
0
votes
0answers
6 views

Failed with error: deadline 2020-05-12T09:41:54.343 exceeded by 73us

I am trying this to set eosio.system smart-contract using this command: cleos set contract eosio /home/varshakhandre14/contracts/newcontract/eosio.contracts/build/contracts/eosio.system/ I am ...
0
votes
0answers
8 views

EOSIO installation and versions

I am working on EOSIO for a few days. I am following https://developers.eos.io/welcome/latest/tutorials/bios-boot-sequence to build and set eosio.contracts. In this tutorial, I need to install two ...
0
votes
1answer
19 views

Complex smart contract for rule based auction in multiple currencies

The imagined application allows users to participate in an auction and make bids in cryptocurrencies. There are several behavioral rules that control the execution of the auction and determine the ...
0
votes
0answers
10 views

How to transfer tokens from within a contract?

I went through the tutorial adding inline actions to external contracts. I understood most of it but it didnt work with eosio.token contract. I have my contract. From that contract I want to create an ...
0
votes
0answers
9 views

How to use/access the stored values in multi_index_table?

Hi I have a question about the multi Index table. So in my table I have the user name (primary key) and a uint64 choice. I have gone through the documentation on how to emplace, modify and delete ...
0
votes
1answer
32 views

transaction declares authority '{“actor”:“mymultisig11”,“permission”:“active”}', but does not have signatures for it under a provided delay of 0 ms

I am following the given tutorial of multisig : https://steemit.com/eos/@genereos/eos-multisig-tutorial And I am stuck for the command cleos multisig exec partner11111 payme -p partner11111@active ...
0
votes
0answers
9 views

eosio-explorer can't see block and transactions,postgreSQL light is red

I want to build a local blcokchain explorer. I used the offical eosio-explorer, but it didn't work. The postgreSQL light always red. I can't search the block form number or transactions. I can use the ...
0
votes
1answer
24 views

Eosjs. How to add new key to JsSignatureProvider

Here: var privateKeys = [...]; var sp = new JsSignatureProvider(privateKeys); var key = 'ASG...'; sp.addKey(key); // (1) I want to add new key to JsSignatureProvider, but I can't find method like (...
0
votes
1answer
16 views

Take output from GetActions and send to database using eossharp

I am using eos-sharp to get data from the eos smart contract. I am trying to get actions data by using: var resultaction = await eos.GetActions("dqzmember", 0, 30); I need information from ...
0
votes
1answer
10 views

Is it possible to stop the time from the moment a user performs an Action until he performs another Action?

I want to do something like a typing game. Would it be possible to create an Action where the user is represented a string. As soon as he presses this action a timer will start until he submits his ...
0
votes
1answer
26 views

how to save data in mongodb from eos smart contract?

I am getting the actions log data using an action constructor in a smart contract. I need to save this data in MongoDB from the smart contract. How can I do this? I didn't get exactly my required ...
0
votes
1answer
14 views

Why is snapshot size is so small?

1) Snapshot file size is remarkable small relative to blocks.log size. Exactly what data is stored in snapshot file? 2) As I understand contracts states is stored in snapshot file. But history_plugin ...
0
votes
0answers
8 views

How can I track the transfer of my account and the person to whose account it was deposited?

This operation was not performed by me and I physically kept my account information .... Can I get the details or email of the person in question from kucoin exchange with the transfer information? ...
0
votes
1answer
11 views

Purpose of blocks-<date> directory

1) What is purpose of directories named: blocks-2020-04-15T06:55:01.360 blocks-2020-04-15T06:55:13.755 2) What is purpose of file named: portable-reversible-blocks-2020-04-15T06:55:01.407 3) What ...
1
vote
1answer
25 views

What is the way to create a map from 256 bit integers to values?

What is the way to create a map from 256 bit integers to values? Is it std::map<>? or will std::map<> become slow as the data grows? If it is slow, what is faster?
0
votes
0answers
14 views

How to catch Error in EOS smart contract?

I am writing a smart contract to add, erase data and write logs accordingly. Below is my smart contract: #include <eosio/eosio.hpp> #include <eosio/print.hpp> #include <eosio/system....
0
votes
1answer
14 views

Can I add a snapshot in between the histroy and the current block? EOSio

My node is syncing very slow. If I try to start the node from the latest snapshot to sync with node and add previous snapshot later, will this work? Will it resolve the histroy issue?
0
votes
1answer
13 views

How to access and manipulate tables when using native unit tests?

I am trying to write unit tests for functions in a smart contract that require access to tables within the smart contract. I tried to set this up using the hello_test.cpp code as a base and when I get ...
0
votes
0answers
6 views

How do I record LOG in eosio smart contract?

I am writing eosio smart contract. I want to record the logs using a smart contract. How can I do this? I searched but didn't get any satisfying answer. Any help would be appreciated.
0
votes
0answers
10 views

Is it possible to add a snapshot in between a sync node without a histroy? Eosio [duplicate]

I am trying to maintain an Eos node on my server, but the fact, it is very large and syncing is very slow. I am thinking, is it possible if I start the node with the latest snapshot to sync with ...
0
votes
1answer
9 views

Question cost while using token contract

I am sorry to bother you, I am a little confused about the cost while using a token contract: the contract provider will pay all the utilities if a user using the contract including the CPU, NET and ...
0
votes
1answer
19 views

cleos data getting inserted and deleted but table shows empty record

I have written one smart contract for insert, update and delete data. The smart contract is compiled and deployed to the two accounts. I insert data using calling the action upsert, this transaction ...
0
votes
1answer
8 views

Passing Comments for inclusion in an ABI File

We are trying to pass additional information about specific actions and data field through to the abi file. Is there a way to include comments/text in the cpp file that can be passed through and ...
0
votes
1answer
25 views

overdrawn balance error on cleos system newaccount

I create 3 different account already, but i try to create new account with this: cleos system newaccount eosio --transfer kyc1 <PUBLIC_KEY> --stake-net "100000000.0000 SYS" --stake-cpu "...
1
vote
2answers
27 views

It's possible to make a “Selfish Mining Atack” on EOS Blockchain?

" Selfish mining attacks occur when an individual in a mining pool attempts to withhold a successfully validated block from being broadcast to the rest of the mining pool network. After the selfish ...
0
votes
2answers
28 views

Is EOS coin required to run private blockchain?

I am new to EOSIO, I leart that NETWORK, CPU and RAM can be purchased by EOS coin. The question is if I build a private blockchain and do I still need EOS coin to purchase these resources?
0
votes
1answer
23 views

Sent EOS to wrong Account From exchange Coinbase

We transferred funds from Coinbase to another coinbase account but the account name was mistyped due to autocorrect and funds went to an account called 'counbasebase' instead of the exchange '...
0
votes
1answer
24 views

eos-sharp api call gets failed

I am a beginner with EOSIO. I may make a mistake in code. I installed eos-sharp in the visual studio using the NuGet package. My code is as below: using EosSharp; using EosSharp.Core; using EosSharp....
0
votes
1answer
13 views

make inline transfer contract and using it on jungle testnet

hello everyone i am faceing a problem on jungle testnet i am trying to make a inline transfer but i got this error after i work with the api_endpoint the code is #include <eosio/eosio.hpp> #...
0
votes
0answers
17 views

It is possible to get transaction without the block number?

I would like to know if is possible to get transaction without the block number, or how to get the block number corresponds to the transaction ID. Error 3040011: The transaction can not be found ...
0
votes
1answer
21 views

How to integrate Restfull API with smart contract using c#?

I am new to EOSIO. I referred eos.io for learning. Now I need to learn how to integrate API with a smart contract. I am willing to do this in c#. I got answers mostly for eosjs which is used in nodejs,...
0
votes
0answers
7 views

How to use eosjs V20 to create and sign a offline actions?

when I create actions like this,and prapare to use JsSignatureProvider to sign (async()=>{ let actions = [{ account: 'tommy', name: 'hi', authorization: [{ actor: 'tommy', ...
0
votes
1answer
12 views

How to achieve Inter Blockchain Communication (ICB)

I've been reading a couple of articles about IBC using EOS like this one. The problem is I don't know how to achieve this since most articles don't provide specific information. I wanna know if I can ...

15 30 50 per page
1
2 3 4 5
45