Questions tagged [eosio-code]
Questions relating to the official eosio code--for instance, this may include questions about particular functions or data structures, certain files or contracts, compilation or building problems, related libraries, scripts, binaries, or similar.
179
questions
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12
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
0
answers
41
views
EosioSwiftVault - SecKeyCreateWithData always returns nil in iOS 17
When I'm trying to create SecKey with EosioSwiftVault library using SecKeyCreateWithData it returns nil in iOS 17 (it's still working fine on iOS 16.4) with following error:
var attributes: [String: ...
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votes
1
answer
21
views
Cannot deploy contract containing KV Map API
I am following the example on how to use KV-Map-API from the official page, but when I call
cleos set contract ... I get following error message:
Error 3070003: Serialization Error Processing WASM
...
- 1
1
vote
1
answer
71
views
Is EOS.IO Archived ? No New release or security patches will be available?
Is the EOS.IO archived ? Please confirm. I am able to see it is archived in Github.
Any plan to coming up with an upgraded version ?
- 11
0
votes
1
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81
views
Get table row count or property from the last row
As I said I need to get the count of rows in a table. Preferly via rpc with http plugin or from a new action inside the Smart Contract.
This is my Smart Contract:
#include <eosio/eosio.hpp>
...
- 11
0
votes
1
answer
75
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Why is the official github no longer updated last year?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
1
answer
34
views
Maximum limit for data included in a transaction?
I am really new to EOS.IO. I need to send transactions to a private Blockchain and I am having some trouble with geth, so I was wondering if EOS could be a solution. I know by geth source code it is ...
- 11
0
votes
2
answers
55
views
How to declare a table outside of its contract-class?
As we know from the documentation, a table must be initialized as shown below:
class [[eosio::contract]] helloworld: public eosio::contract
{
public:
helloworld(eosio::name receiver, eosio::name ...
- 11
0
votes
1
answer
146
views
How to generate the EOS keys from Mnemonic/Seed on Expo
I try to develop the eos crypto wallet app on Expo. But I can't find the solution to generate the eos keys from Mnemonic/seed phrases on Expo.
Once you know the solution, please let me know.
1
vote
1
answer
320
views
How to extract data from atomic assets ATTRIBUTE_MAP
Title says it all. I'd like to get data from atomic assets' attribute map.
This is the link to their docs https://github.com/pinknetworkx/atomicassets-contract/wiki/Custom-Types#atomic_attrbiute tried ...
- 91
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1
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56
views
Is there a way to convert an object to JSON in the smart contract?
I want to convert a series of data/object/struct into a json text before saving it into my table.
Is this possible?
- 91
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0
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95
views
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 ...
1
vote
1
answer
553
views
atomicassets mintasset in contract
I am trying to mint an NFT as a reward for player via the smart contract, here is my code.
eosio::action mint_action = eosio::action(
eosio::permission_level(_self, eosio::name("active")),
...
- 91
0
votes
1
answer
76
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
35
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 ...
- 21
0
votes
1
answer
23
views
3060102 reversible_guard_exception
I am facing this issue after 3 month when i ran the node,
3060102 reversible_guard_exception: Reversible block log usage is at unsafe levels
reversible free: 2096992, guard size: 2097152
{"f"...
- 25
0
votes
0
answers
19
views
Nodeos folder non-existed after eosio installation with brew
I am trying to install and run an EOS node on macos.
I installed eosio with brew.
I used
brew tap eosio/eosio
brew install eosio
Everything went alright. But after installation the following folder ...
- 101
0
votes
1
answer
76
views
Inline action with 2 permissions/authorizations
I have 3 accounts:
Contract Account.
Storage Account.
Recipient Account.
I made a smart contract to give out tokens from Storage Account to the Recipient Account using a claim function from the ...
- 91
1
vote
1
answer
578
views
Getting authorization to burn atomicassets via smart contract - WAX
i want to write a small smart contract game where players will be able to send Characters (NFTs, atomicassets) into a battlefield. On that battlefield they have a chance to die. Which means that asset ...
- 21
0
votes
1
answer
55
views
Issue in v2.0.2-rc1 The CMAKE_ASM-LLVMWAR_COMPILER: g++ is not a full path and was not found in the PATH
CMake Error at libraries/chain/CMakeLists.txt:38 (enable_language):
The CMAKE_ASM-LLVMWAR_COMPILER:
g++
is not a full path and was not found in the PATH.
Tell CMake where to find the compiler by ...
- 261
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
73
views
Testnet status for web portal
Is any else facing testnet 502 gateway error when trying to access the front end web portal for the testnet.
0
votes
1
answer
60
views
Runtime error (eos-vm system failure) on using C++ `virtual` keyword?
In my contract I have a data structure that involves a node struct and a LeafNode and InnerNode struct that inherit from node.
struct node {
...
virtual string to_string() const {
...
0
votes
1
answer
158
views
Building a contact in EOS Studio and getting eosio.code permissions when calling it
After deploying a contract built in EOS Studio ... on my call to another action where I have called 'permission_level()' ... I get a permission error
"transaction declares authority '{"actor&...
- 101
0
votes
1
answer
67
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
- 13
0
votes
1
answer
275
views
Error 3080004 Transaction exceeded the current CPU usage limit imposed on the transaction
Hello i am trying to create eosio.system contract but its keep giving me this
Error 3080004: Transaction exceeded the current CPU usage limit imposed on the transaction
Error Details:
transaction was ...
- 13
0
votes
2
answers
51
views
how to make sure the tx to be included in block
as subject, any way to make sure the tx to be included in block, what i think of is, if the tx meet the condition, then notify the contract to execute the specified action, otherwise notify an account ...
- 21
0
votes
1
answer
64
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
2
answers
203
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(...
- 171
1
vote
1
answer
161
views
EOS STUDIO TERMINAL compilation issue
In terminal, I created a wallet, then created the eosio keys, imported that into the wallet, created an account with those keys, and set up my smart contract that has no errors, but when I try to do ...
- 11
1
vote
1
answer
149
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.
- 13
0
votes
2
answers
159
views
Status of EOS Powerup feature
I have following questions on EOS Powerup:
Is the EOS Powerup model optional?
When is this expected to go live? The link here mentions April 8 where as https://eosauthority.com/powerup/ mentions that ...
- 13
1
vote
1
answer
58
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 ...
- 11
1
vote
0
answers
31
views
How can i update a table by TransactionID? And can transactionId be the same when we update the data?
I am running my nodeos on my local machine, I can retrieve all the data via api and do some CRUD also. I have succeeded update the table by tableId,
But can someone suggest to me how do I update the ...
- 11
1
vote
2
answers
56
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"...
- 21
0
votes
1
answer
144
views
How user stake and earn reward and How we can implement this staking model
Basically, staking and unstaking are an on going process throughout the life of a blockchain and in EOSIO we have
0.1 token not 10% of the account's tokens is staked for RAM
Cleos stakes 8 KB of RAM ...
2
votes
1
answer
44
views
Is having hashes of document certificates in EOS blockchain for tamper proof a good use case for EOS?
I have a application where I want to store a SHA256 hash of a document in a Blockchain. I want it to have a good life, ie storing the SHA256 hasha as a data in a transaction should bot be deleted ...
- 135
0
votes
1
answer
285
views
How can i convert a time_point to a string?
I want to convert a time_point variable to a string using eos studio. I need to insert a time_point variable in a string in order to creare the object of my smart contract.
- 1
0
votes
1
answer
318
views
Convert type string to type checksum256
fist off let me get this strait, yes I know the dangers of memo parsing, yes I am aware of the vulnerabilities that can be created from doing such a process, so please there is no need to lecture me ...
2
votes
0
answers
39
views
What is purpose of eos flag --enable-stale-production?
I am trying to setup a private eos network but when i unset flag --enable-stale-flags node does not start producing blocks
what is exactly the purpose of this flag In which cases this flag should be ...
- 139
0
votes
2
answers
102
views
How to replace EOS as core system token with some other(created) token for private network
Is it possible to replace eos with some other token created from eosio.token contract and make it core system token
- 139
0
votes
1
answer
54
views
Can we make txs free of cost/without staking on privately deployed eos network
I want to deploy a private eos network on which users don't have to stake or pay ram or network or cpu is that possible if yes how so ? do I have to tweak code in eosio.system contracts
Also what are ...
- 139
0
votes
1
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41
views
EOS Node Build Help
I'm new to development so hopefully someone can point out what I may have done wrong.
I'm trying to set up an EOS node using Ubuntu VirtualBox on my Windows machine.
I have installed everything ...
- 1
0
votes
1
answer
62
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 ...
- 139
0
votes
0
answers
56
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 ...
- 1
0
votes
1
answer
70
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,...
- 307
0
votes
2
answers
40
views
No member name in namespace 'block-signing_authority' in eosio
I am having issues compling the eosio.system contract with the new eosio 2.0 upgrades I keep generating the same error below. What could be the cause of this error ?
include/eosio.system/eosio....
0
votes
1
answer
386
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 ...
- 101
1
vote
1
answer
46
views
Eos-sharp jungle Error 3090003 when trying to call external smart contract
I’m trying to achieve something quite simple.
I try to call eosio.token transfer from one of my smartContract (lomtaxjungle dopurchase), but after severals days i still don’t manage to do it.
From ...
1
vote
1
answer
81
views
I have doubts about intercontract communication
I have read that:
In order to call an inline action, that is to call an action of contract A from contract B, there is a need to set some special permission. In this case, the Ram payer for the ...
- 43