Questions tagged [json-rpc]
json-formatted remote procedure calls to communicate with ethereum clients
654
questions
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Why don't consensus clients have an RPC method to query the total supply of ETH (all ETH minted)?
I understand that the total supply of ETH can't be hardcoded into consensus clients because this value needs to be derived from the blockchain state to prevent tampering. To get the total supply, we ...
- 41
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votes
1
answer
26
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How I can send FIL in filecoin network
My network: filecoin.
I use this RPC: https://api.node.glif.io
I try send FIL token from A to B address on filecoin network and I got error:
{
jsonrpc: '2.0',
error: {
code: 1,
message: &...
0
votes
0
answers
14
views
No "SSTORE" opcode found in the result of debug_traceTransaction()
when I try
'curl -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0", "id": 1, "method": "debug_traceTransaction", "params": [ ...
- 1
0
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0
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24
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Recovering crypto from ethereum RPC
I have found some of very old RPC credentials on ethereum. I tried to run it or try to recover the balance from it. But the hostname it had is down. If I get other RPC hostnames and same credentials ...
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20
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why am i getting negative value for effective gas price?
May 27 10:51:16.745 DEBG Trying again after eth_getTransactionReceipt RPC call for transaction 0x77e3b240fb0e665edc49b4f2464095ae69a18a4760cf2f654103237ad1c3d3b3 failed (attempt #5) with result Err(...
4
votes
1
answer
94
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How to sign Ethereum message in C#
I`m trying to convert this code to c#
const message = response.data.message;
const jsonProvider = new ethers.providers.JsonRpcProvider(RPC_URL)
const ethersSigner = new ethers.Wallet(privatekey, ...
0
votes
2
answers
106
views
Fastest RPC Endpoint for Binance Smart Chain
What is the fastest RPC endpoint for accessing the Binance Smart Chain, and are there alternative methods of communication with this blockchain? Additionally, does the performance of these methods ...
- 131
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SSZ serialization and JsonRPC usage
As I understand, the SSZ was introduced in Ethereum 2.0 for the serialization of data in different contexts. The previously used serialization is RLP and it is used when making a JSON-RPC request to ...
3
votes
1
answer
103
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how can we control the logic behind ethersJs fallbackProvider's choices
I am trying to use ethersJs to handle multiple RPCs with a fallback mechanism, to ensure we always get a response. I tried the FallbackProvider .
The probelm with it is that event if you set a quorum ...
- 3,038
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53
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How to foundry test a function which uses 1Inch Swapping functionality?
I'm working on a protocol's Adapter contract. The Adapter contract have a function, which let users sell their PortalEnergy (assume tokens) to get ETH. They use 1Inch Swapping functionality to get ...
- 473
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590
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How to broadcast a transaction directly to a centralised sequencer (Arbitrum/Optimism/others)
Most layer two chains have their centralised sequencer which operates first-come-first-server, or so-called fair sequencing manner. If you use the centralised sequencer, there are no Malicious ...
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1
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1
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44
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`eth_estimateGas` with `stateDiff` on a counterfactual smart contract
I have a counterfactual Safe ( v 1.3.0 ) , where funds have been already sent (ERC-20 token). I want to relay a transaction where
Safe is being deployed
funds are moved out of it
Transaction will be ...
- 241
0
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0
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25
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Trying to setup Astar zkEVM Mainnet Permissionless RPC Node but failed
I am trying to setup Astar zkEVM Mainnet Permissionless RPC Node following these docs, but it's not working for me. Looks like the container zkevm-rpc is not functioning.
curl -H "Content-Type: ...
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41
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JSON-RPC Connection Pool Implementation
I am using go-Ethereum ethclient and rpc packages to interact with block chain nodes to communicate via JSON-RPC.
I usually code below two lines to get connection to the node and then use any of the ...
0
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1
answer
31
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Looking for BSC RPC Provider with Log Monitoring
I'm in search of a reliable RPC provider for accessing the Binance Smart Chain (BSC) network, preferably with log monitoring capabilities similar to Alchemy. Any recommendations or insights would be ...
- 131
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68
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Foundry's Anvil localnode not prcessing transactions?
I've deployed smart contracts using the ContractFactory Objects provided by ethers.js 5.7 and they were working quite fine but today the contracts don't seem to be getting deployed; in fact any ...
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17
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Nethermind Execution Client RPC multiplicity
when running a nethermind-prism node can you route provider communications and local processes through IPC but also allow external HTTP RPC access?
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1
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421
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JsonRpcEngine: Response has no error or result for request:
I tried to deploy my smart contract on bsc testnet but it failed. Please explain where it went wrong.
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0
answers
84
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err="execution timeout" timeout when calling debug_trace transaction
I have one question.
We have organized the ethereum en node as an archive.
Since then, we have called large amounts of debug_traceTransaction to that node but err="execution timeout" ...
- 11
0
votes
2
answers
38
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How to optimally display over 500k EOA wallets' daily balances spanning three years back?
I would like to display over 500k EOA wallets' daily balances spanning three years back and wonder if there is a more efficient method than using eth_call and balanceOf 500k times per day for three ...
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answers
20
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How to query or compute historical gas usage by address?
I'm trying to understand how services like fees.wtf calculate lifetime gas used by and address. Is there an JSON-RPC call or would I have to run a modified full node to index?
Similarly for top gas-...
- 209
0
votes
0
answers
26
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API Mechanisms for Crypto Asset Transfer on Tron and BNB Blockchains
I have experience using the Bitcoin RPC API, which provides the capability to create applications that can communicate with the Bitcoin network. This includes the development of self-custody wallets, ...
- 101
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1
answer
1k
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"eth_estimateGas" throws execution reverted error
I was trying to use eth_estimateGas but It throws execution reverted, The error doesn't indicate anything.
This is my code :
final gas = await _web3Client.estimateGas(
sender: sender,
...
- 139
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answers
119
views
Can eth_estimateGas estimate gas for past blocks?
In my understanding, the eth_estimateGas json rpc method can currently only be used to estimate how much gas would be needed for a transaction based on the current/latest state of the blockchain.
...
- 1,825
2
votes
1
answer
51
views
Why are the params from the request object in reverse order between personal_sign and eth_sign?
Why are the params from the request object in reverse order between personal_sign and eth_sign?
For example, the personal_sign request object has the hex message in params[0]:
// Request
{
"id&...
- 33
0
votes
1
answer
50
views
Mismatch in `accessList` between Geth and Nethermind
Access Lists were introduced in https://eips.ethereum.org/EIPS/eip-2930, and one of the design decisions was to support duplicates "because it maximizes simplicity, avoiding questions of what to ...
1
vote
1
answer
1k
views
How to set the timeout for provider http RPC requests in the ethers
I am using JsonRpcProvider in ethers V6. I am sending requests to node like getBlocknumber, getBalance ,sendTransaction etc through JsonRpcProvider. I want to set the response timeout for the requests ...
- 570
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votes
1
answer
183
views
How to get consensus layer data for many blocks in a single RPC call?
You can get consensus related values such prevrandao and validator details with eth_getBlockByNumber or eth_getBlockByHash, but how can you get this data for many blocks without making thousands of ...
- 135
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2
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271
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Error in reading properties of JsonRpcProvider Error: TypeError: Cannot read properties of undefined (reading 'JsonRpcProvider')
This is the entire error message:
Error: TypeError: Cannot read properties of undefined (reading 'JsonRpcProvider')
at interactWithContract (contractInteraction.js:6:1)
at handleAddProduct (...
0
votes
1
answer
761
views
jsonrpc":"2.0","error":"[ethjs-query] while formatting outputs from RPC '"transaction underpriced\"
I'm trying to deploy a BEP20 contract using Remix on Binance TestNet, but I keep getting this error:
creation of TToken errored: Returned error: {"jsonrpc":"2.0","error":&...
- 1
1
vote
1
answer
62
views
Fetching an implementation contract using ethersjs
I'm attempting to get the implementation contract for a proxy using ethers (and testing it using the recently published Paypal USD: https://etherscan.io/address/...
- 103
1
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0
answers
19
views
"not logged in" when metamask gets locked by password
I have a pretty standard code used by logging in via MetaMask, something similar to this:
const connectWallet = async () => {
const provider = new ethers.providers.Web3Provider(window.ethereum)
...
- 115
2
votes
0
answers
527
views
Error HH604: Error running JSON-RPC server: Connect Timeout Error
I'm facing an error while running the command "yarn hardhat node"
ERROR:
Error HH604: Error running JSON-RPC server: Connect Timeout Error
For more info go to https://hardhat.org/HH604 or ...
2
votes
0
answers
137
views
How to query the ethereum network to get Validator status, balance and validator reward history
Is there a way to query the ethereum network with a json rpc call to get the current balance, the status and the reward history of a validator?
thanks very much!
- 21
1
vote
1
answer
647
views
Flashbots on Mumbai/polygone
i'm trying to run a flashbot test on Mumbai. What is the flashbots RPC endpoint for Mumbai and Polygon network ?
- 131
1
vote
1
answer
25
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Does chain_id exist in any smart contracts?
Is chainId something any smart contracts have knowledge of, or does it only exist externally to any given chain?
I see the eth_chainId function of the JSON-RPC. But are there any ABI queries against ...
- 125
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votes
1
answer
61
views
Sign a transaction with Metamask which will be submitted later using a custom backend
Currently have a custom micro-service that sends & creates transactions depending on the use case which utilizes eth_sendRawTransaction meaning I'll need a web wallet to prompt the users to sign a ...
- 61
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0
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123
views
I can't create new account via rpc with personal_newAccount
I want to create new account via rpc
curl -X POST http://localhost:8545 -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"...
- 1
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1
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498
views
Can't clear pending transaction with current nonce getting an rpc error
Somehow my transaction was sent with extremely low gas fees from ETH mainnet to zkSync bridge. Is stays forever on pending
I saw this and tried to cancel it/speed it up but it did not work.
I tried to ...
1
vote
1
answer
1k
views
How to get internal transactions using JSON-RPC methods
In etherscan I noticed that there are transactions that have "internal transactions" inside of them, see this link: etherscan transaction.
Screenshot of the transaction:
My question is: how ...
- 155
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1
answer
151
views
How to detect if a transaction failed before Byzantium fork [duplicate]
In short:
I'd love to understand how to detect if a transaction failed before the Byzantium fork.
Explanation:
After the Byzantium fork it's easy to understand if a transaction failed or not, I just ...
- 155
3
votes
1
answer
781
views
What is the withdrawals field of the response of web3.eth.getBlock()?
I noticed that the withdrawal field has been added to the web3.eth.getBlock() response. Here is a small example:
{
<the usual fields>... ,
withdrawals: [
{
index: '0x3812d',
...
- 203
1
vote
3
answers
5k
views
How can I fix this JsonRpcProvider error?
TypeError: Cannot read properties of undefined (reading 'JsonRpcProvider')
at main (D:\ethers-simple-storage\deploy.js:9:41)
at Object.<anonymous> (D:\ethers-simple-storage\deploy.js:26:...
- 11
0
votes
1
answer
401
views
HTTP requests limitation for an Ethereum Node
I have a fully synced Binance smart chain node with a proxy_pass to nginx for external request.
The problem that i have is the JSON-RPC return "null" if i process a large amount of requests.
...
- 83
1
vote
1
answer
143
views
Cannot get uncle block in my code but it exists in Etherscan
I'm following this very cool article on how to calculate rewards for a ETH miner and I'm stuck on the uncle rewards.
In the example they calculate the rewards on the ETH block with id 15349734, click ...
- 155
3
votes
3
answers
861
views
How to view the amount of storage a contract uses?
Is it possible to view the amount of storage a smart contract uses from an existing tool? Or if not is it possible to determine it by making json rpc calls?
There are a few similar questions such as ...
- 1,825
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1
answer
2k
views
How to connect to my locally run Ethereum node using RPC endpoint?
I have an Ethereum full node running locally on my machine and wish to connect to it via an RPC endpoint. I have the node running with the command geth --http --http.api eth,net,engine,admin --authrpc....
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2
votes
3
answers
1k
views
The block number argument in ETH JSON-RPC function calls
Multiple JSON-RPC API functions take an optional block number argument:
eth_getBalance
eth_getCode
eth_getTransactionCount
eth_getStorageAt
eth_call
My questions is this: for historical blocks, is ...
- 1,680
0
votes
1
answer
36
views
Please help me with this events error with HttpProvider
I have encountered this error while trying to put my oracle online. Please, help!
0
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1
answer
284
views
How to get ERC-20 transfer events using curl?
I want to check whether my full node has historical logs correctly stored.
How can I query historical ERC-20 transfer events, or any historical Solidity events, using UNIX curl command?
- 22.8k