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.

57 questions with no upvoted or accepted answers
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1answer
255 views

What is the reason for appearance of "misaligned reference"?

I have written a big contract with a lot of template functions and can find a place, which causes 2018-11-19T08:14:11.454 thread-0 binaryen.hpp:608 translate_one ] misaligned ...
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0answers
21 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 ...
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1answer
101 views

EOS error while pushing transaction

I received an error while pushing a transaction onto the jungle test net
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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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0answers
147 views

EOS mainnet replay speed too slow after about 20M blocks

while replay the node sync speed was fast in start but after about syncing 20M blocks the speed is very very slow. mongoDb and history plugins are enabled. nodeos is not utilizing above 1500 iops ...
2
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1answer
315 views

Why does using available_primary_key() as scope for a table result in this behaviour?

Scenario: Two tables, each using uint64_t as a primary key Table A rows need to reference rows in Table B Why? Relational database data duplication reasoning etc etc Both table's primary keys are ...
1
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1answer
96 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 ...
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1answer
72 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.
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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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0answers
27 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 ...
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1answer
30 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 ...
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1answer
70 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 ...
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0answers
31 views

Is it possible to let caller to pay for the cpu of an inline deferred transaction of a contract?

For example, A send a transaction t1 that will call the contract action act1, act1 will send a deferred transaction t2. Is it possilbe that let A pay for the cpu instead of the contract account?
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0answers
108 views

How to pass in a public key as a string to an action?

I see that public_key is public_key = std::variant<ecc_public_key, ecc_public_key, webauthn_public_key> While ecc_public_key is std::array<char, 33> How would I create a public key ...
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0answers
12 views

what is the native?

eos/chain/apply_context.cpp 66 line i had been found the something where account_name newly was created like eosio.token, eosio.rex.... So, i found some hint controller.cpp // 321 Line #define ...
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0answers
28 views

How can EOSIO know the block number?

I have made my EOS world. If you follow the Nodeos biosboot manual (https://developers.eos.io/eosio-nodeos/docs/bios-boot-sequence), you would know eosio is to be BP. BP have to make a lot of blocks. ...
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2answers
226 views

EOS Block Producer Schedule

I have followed the Boot Bios sequence of eosio and setup a eos private blockchain. The problem is my even though i have created also Block producers and also voted for them still the blocks are ...
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0answers
10 views

How to build a macos homebrew bottle like eos at local machine?

Can anyone tell me that how can I use Homebrew in MacOS to compile the forked eosio tar file from GitHub to brew bottle package at local machine? Can give me the sample formula?
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0answers
41 views

cannot get latest state of table after modifying table in inline action

As shown with code below, I modify table in an inline action, and then want to get the latest data. But the data I get is not the latest. Why? void mycontract::myfunc() { action ( ...
1
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1answer
200 views

How can i solve the error: iostreams currently clash with eosio::datastream?

I am trying to compile some code which compiled successfully with the old compiler eosiocpp, but with the new eosio-cpp gives me: eosio.cdt/1.4.0/bin/../include/libcxx/iostream:13:2: error: "iostreams ...
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0answers
36 views

Is there a json schema file for eos that defines accounts, keys, transactions, blocks, etc

Is there a json schema file or data-model for eos that defines accounts, keys, transactions, blocks, etc...
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0answers
75 views

Transaction exception while pushing transaction

While calling the push transaction API with the following body { "signatures": ["SIG_K1_K5umBpyieHE6czvtDMEAVjypG5Zz5sYo4NKbUkqJfe562mX22aLGwwZsYSQJLhBZi5s3hvjg6zVfS3ZucM97Ji5KNXSm4a"], ...
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0answers
37 views

Why EOSIO going to discard eosiocpp tool?

EOSIO introduced new eosio.cdt tool for contract development and there is many changes related to typedefs in this tool. Is eosio.cdt official by eos ? asking this because they have not mentioned ...
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1answer
161 views

Failing EOSIO manual build, Could NOT find WASM (missing: WASM_CLANG WASM_LLC WASM_LLVM_LINK)

I tried to follow instruction from https://developers.eos.io/eosio-nodeos/docs/manually-build for manual build but kept failing the cmake step. cmake -DBINARYEN_BIN=~/binaryen/bin -DWASM_ROOT=~/wasm-...
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0answers
185 views

Storing encrypted data on EOS blockchain

The following qa suggests that private data on the blockchain can be stored in an encrypted form: Can we add the permission to access the table? My question is whether there are any existing ...
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0answers
316 views

How to correctly use Docker to run eosio (including eosiocpp)?

I can get the basic quickstart working very easily but when I try to add smart contract I get a lot of conflicts. I have read an article here claiming - https://medium.com/@ekkis/eos-development-on-...
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0answers
28 views

Compiling eos software to get dlls

How can I compile EOS software on Linux or Windows to get dynamically linked libraries (DLLs) that I need in order to create an EOS wrapper to compile and deploy smart contracts from other programming ...
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0answers
12 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 ...
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0answers
8 views

How to derive a uint from a string to use it as key/index in eosio table

I want to store json key-value pairs in an eosio table. The keys in the json are unique and that's why it would be perfect to use them as primary_key or secondary_id for querying the table later. The ...
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0answers
12 views

recovery_key function failing to compile

so I'm trying to use the recovery_key function linked here: https://developers.eos.io/manuals/eosio.cdt/latest/group__crypto/?query=recover_key&page=1#function-recover_key Whenever I do use it ...
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0answers
26 views

Is there a small C++ library or a simple gist/function just for signing transactions?

I'm building an app that consists of two services, one service will run on the edge and the other in the cloud. Obviously, I want the service on the edge to be lightweight since It will run on ...
0
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1answer
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 ...
0
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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
11 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"...
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0answers
15 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 ...
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1answer
37 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.
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1answer
26 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
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1answer
84 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&...
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1answer
49 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 ...
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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(...
0
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1answer
91 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 ...
0
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1answer
155 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.
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2answers
59 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
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0answers
43 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 ...
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2answers
27 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....
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1answer
259 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 ...
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0answers
50 views

Unvote a producer

I am working on eosio.system contract, I run my own local chain, in which I elect 5 block-producers and they start to produce block. Now let suppose I want to kick-out any block-producer from my ...
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1answer
56 views

Where in the code are eosio.prods permission set

where can I find the code in which eosio.prods permission are set? I couldn't find it in system_contract or producer_plugin. thx for any help!!
0
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1answer
91 views

multi_index table get const_iterator at a specific position

is there a better way than a loop to get the value/const_iterator at a specific position in multi_index table? current: auto idx = _table.get_index<"name"_n>(); const_iterator b; int count = ...
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0answers
25 views

How efficient is the EOSIO software for distributed locking, relative to other database software?

I am researching the best software for distributed locking purposes, and came across this article: https://martin.kleppmann.com/2016/02/08/how-to-do-distributed-locking.html I think the Redlock ...