Questions tagged [parser]
The parser tag has no usage guidance.
43 questions
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jq and vm fail to parse json
I am working on parsing data returned from a cast call. I have tried using jq with vm.ffi and also vm.parseJson. Both methods fail without any obvious error.
I need the status field in the top level ...
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How to speed up Ethereum etl blockhain export time?
I am using python module ethereum-etl to parse all specific token transfers from start to end block. As a node I'm running a local snap node with all the receipts being saved parameter (--...
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33
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ParserError: Source Not Found Despite Correct Path
I'm encountering a ParserError when trying to compile my Solidity contract. The error indicates that the specified path is not found, even though I believe the paths are correct.
Error message:...
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0
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23
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How do you effectively parsing about 5,000,000 transactions?
I need to parsing VERY many transactions at an address, but I can't find an efficient way to do it, can you tell me how to do it?
5,000,000+ transactions
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Prettier not detecting solidity
Prettier formatting is working for typescript but not for solidity.
I have tried uninstalling and installing Prettier and Solidity(by JuanBlanco) extension again but still no luck.
Below are my ...
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82
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How to parse the swap data of a certain wallet?
I am trying to parse swap data of a set of wallets:
I tried to do this by using logs of the transactions – they often include data about swaps, however there is no uniform way to parse it, because ...
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1
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29
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Expected identifier but got ';' ? I am writing a poker game in Solidity and having problems declaring sortedCards as a state variable. Help:)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
contract NoLimitPoker {
address public dealer;
address public smallBlind;
address public bigBlind;
uint public minBuyIn;
...
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2
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229
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Is there any way how to check if transaction contains incoming ETH?
I'm using ethers.js library, I have decoded TX, where I see logs, events, etc.
But is there any way how to check that this transaction contains incoming ETH?
When sending ETH, there is .value ...
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2
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How can I check if an Ethereum address is valid by using zod parser?
How to parse an Ethereum address that was provided by a user with the help of zod safeParse() function?
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87
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Error: Parse error: missing ';' at '{' using SOLHINT, how to fix it?
I have a typical ERC20 contract.
The contract compiles just fine and works, however when using some styling and security check with SOLHINT, it gives me this error for all my lines which have the &...
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Can someone please tell me whats the issue i am writing a starter code on remix from solidity: ParserError: Expected ';' but got '-'
pragma solidity ^0.8.6;
contract my_contract{
string public mystring - "hello world!";
}
I have just started coding on solidity I have no previous experience so can someone explain ...
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2
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40
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Newby learning Solidity - Parser Error
I am getting this error when I try to compile
Airlines.sol:49:5: ParserError: Expected '{' but got 'illegal' ➥
public{
Here is the code:
pragma solidity ^0.6.0;
//SPDX-License-Identifier: ...
4
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1
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5k
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How to decode uniswap v3 Router 2 transaction
I am trying to parse uniswap transaction and extract "summary" like what Etherscan does when showing transaction (like this one) below:
Transaction Action:
Swap 2,937.943845 USDC For 1....
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23
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Parser error expected " but got indentifer
constructor(
address _DEMO,
address _principle,
address _treasury,
address _DAO,
address _bondCalculator
) {
require(_DEMO != address(0));
DEMO = _DEMO;
require(...
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262
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TRYING TO VERIFY MY SOURCE CODE ON ETHERSCAN ErrorUnable to generate Contract ByteCode and ABI (General Exception, unable to get compiled [bytecode])
Compiler Warning(s): ParserError: Expected pragma, import directive or contract/interface/library/struct/enum/constant/function definition.
--> myc:1:1:
|
1 | "accounts": {
| ^^^^^^^^^^
...
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I get a Parser error "Expected identifier but got 'public' "
Removing Public for Muurbloem does not work
pragma solidity ^0.4.13;
contract nietTeveel{
uint public maxbedrag = 50;
uint public restbedrag;
function ...
3
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3
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6k
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ParserError: Source "@openzeppelin/contracts/token/ERC20/ERC20.sol" not found:
I keep getting this error, would be really cool to get help. I've heard that I need to install a program, forgot which but I'm not so sure that's a great idea to start with and is not the fix to this ...
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13
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If statements givng parser errors no matter what
Below ive attached a very simple picture of some code that is reciving the same error as my actual code. Ive just made a super simple example for ease.
And here is the error im getting.
Any ideas on ...
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42
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Error on RemixIDE: "ParserError: Expected pragma. import directive, or contract/library/interface definition" at the last line
I am running my code at RemixIDE and facing the error Remix: ParserError: Expected pragma. import directive, or contract/library/interface definition in the last line of the code (line 157). Does ...
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9
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ParerError Need help figuring it out
I'm following along a tutorial on this, but the other person is using an older version of solidity and I am super new to the field. I'm not sure where it went wrong but even though our screen matches ...
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190
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ParserError: Expected primary expression. ( Red at my last line)
when I try to compile my code, I get the ParserError , turns red at my last line.
pragma solidity ^0.4.26;
library Rainforest {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
...
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60
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ParserError: Expected '(' but got identifier function updateX6Referrer(address userAddress, address referrerAddress, uint8 level) private {
I'm trying to compile a smart contract and I'm facing the following error in line 309.
ParserError: Expected '(' but got identifier function updateX6Referrer(address userAddress, address ...
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2
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97
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ParseError: Expected ';' but got '(' emit sent(_from, _to, _value);^
I'm currently doing a smart contracts short course and we got the code below but I've swapped out the event for emit. Now I am getting the following error:
ParseError: Expected ';' but got '(' emit ...
0
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1
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138
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Issues with using/installing python solidity parser
I am trying to install and use python solidity parser by ConsenSys
I keep on getting the following error
File "<stdin>", line 1, in <module>
File "/home/seed/.local/lib/python3.5/site-...
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47
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3
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1
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2k
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Convert address to string after solidity 0.5.x
After solidity 0.5.x release none of conversions from address to string appear to be working. I've tested all of them on remix and got errors like converting bytes to uint or something like this.
...
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377
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How can I parse internal transactions with light node?
is that possible to receive all transactions from new block with light node and parse all and even internal transactions with the help of its api?
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126
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Parsing ethereum chaindata using leveldb
I'm new here :)
I'm writing a c++ program that parses ethereum chain data. As of present I was able to get the key value pairs by using leveldb::ReadOptions command (as illustrated in the below code) ...
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184
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Parsing the WolframAlpha string result from the Oracalize __callback function into a usable format?
I need to generate 10 unique random numbers between 0 to 100 in my smart contract.
For this I've decided to utilise Oracalize and one of the datasource called WolframAlpha. This is how I use it:
...
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2
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2k
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Decoding ethereum leveldb keys and values
I've created a simple script to read ethereum data from the leveldb using C++. Basically this testing program would print all keys in leveldb to the console.
#include <cassert>
#include <...
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168
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Blockchain structure with smart contracts and access data
I found several articles explaining how smart contracts used and stored in blockchain but where does the smart contract actually resides in a blockchain (block or transaction or separate structure in ...
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Ethereum block chain extracter and parser like blocksci
I'm new to ethereum and I would like to develop an analyzing framework for ethereum. Is there a blockchain extractor and a parser to similar to blocksci available for ethereum and support analyzing of ...
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639
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Solidity IDE Parser Error on Token Name
Getting this in Solidity:
browser/ballot.sol:121:16: Parser Error: Expected Primary Expression.
Here is my code, says that it is the name line with the parser error
function ERC20Token(
) {
...
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Is there a current (11/2017) way to parse the Ethereum blockchain?
I understand there exist many (defunct/unsupported to date) blockchain explorer project and rate-limited web APIs exist for culling Ethereum data from the .ldb blockchain files. But what about bulk ...
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318
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Parsing contract endpoint output
A contract endpoint on Ropsten returns a set like this:
(uint256 _assetId, address _assetOwner, address _issuer, string _content, uint256 _sellPrice, uint256 _status)
The endpoint is getAssetById at ...
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2
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6k
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Convert ABI to Solidity code
Is there a tool to generate a solidity code from the ABI interface?
const Ballot = [{"constant":false,"inputs":[{"name":"to","type":"address"}],"name":"delegate","outputs":[],"payable":false,"type":"...
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352
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Parsing contract method output as an array of fields
I have a constant method in a Smart Contract that returns this array:
(uint256 _field1, uint256 _field2, uint256 _field3, address _field4, string _field5)
When invoking it I got this hex result:
...
4
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1
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148
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Parse contract to retrieve declared identifiers
Node.js Solidity compiler parses contract and returns its ABI, is there any library to retrieve all declared identifiers in a contract?
For example, the following contract:
contract Person {
...
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5
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2k
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BNF grammar definition for Solidity
I scoured the Mix and Solidity repos for something like a formal definition of the language's grammar, so that one may generate parsers using tools like GrammarKit, but couldn't find anything.
Any ...
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How can I easily parse a raw transaction?
In the Bitcoin ecosystem, there are tools like https://blockchain.info/decode-tx to decode a raw transaction. Is there a site that offers the equivalent for Ethereum?
I'm looking for an easy way to ...
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How to parse blocks with Python?
I'm building a basic analytics framework for the Ethereum blockchain. As a first step I need to extract the data and I'd like to do this in Python. I've been using Geth as a client on OSX and so, as ...
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How to build an AST for Solidity?
I'm trying to build a parser for Solidity, and it would help if I could build a working version off of the existing parser. I've tried looking at the source code on the official git, but I haven't ...
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Is there available source code for the Ethereum parser (JS/Solidity or Python/Serpent?
I've tried looking at the source code, but I'm unfamiliar with the structure. I can't seem to find a parser module or source code. I'm attempting to understand the parser and perhaps write one from ...
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