Questions tagged [sendrawtransaction]

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Signed transaction vanishing from testnet (Kovan & Rinkeby)

I've been attempting to broadcast transactions to both Kovan & Rinkeby, I'm building and signing them offline and using the Etherscan API to broadcast the signed transactions. I see them in the ...
2
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0answers
2k views

Error: Returned error: Transaction nonce is too low. Try incrementing the nonce

I receive an error when sending raw transactions. I get the following error message. Error: Returned error: Transaction nonce is too low. Try incrementing the nonce. I get my nonce this way: ...
2
votes
1answer
331 views

Transfer ERC20 token in mainnet with web3js(succeed in ropsten, failed in mainnet)

I want to transfer some ERC20 tokens in ethereum. I did some preparation work and tried in ropsten, it succeed. Then I changed the used api, wallet address, httpProvicer, contract address, and ran the ...
1
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0answers
75 views

Sending secure transactions using web3.py

An ethereum account I had has been hacked, where whenever I send it, say, 0.1 eth, some evil bot immediately sends 0.0009 eth from that account to a dummy account, and then spends the remaining 0.0991 ...
1
vote
3answers
208 views

Help with signTransaction

i need help com many parameters for sign a transaction. What is "nonce"? How i calculte gas value? How i calculate gasPrice? what is data field? Chain ID 1 is a Mainnet? I will using infura. $...
1
vote
0answers
348 views

Ethereum Transaction Using cUrl and web3.php, I get a Receipt but the Transaction is not sent to the Network

This has been doing my head in all day, after wading through and managing to get all my values converted to hex I create and sign the ethereum transaction using the web3p/ethereum-tx library from ...
1
vote
0answers
306 views

Geth RPC send_transaction error -32000

How do you calculate how much gas to use in a send_transaction? Amount: 0x670479cb5385800, // (decimal: 463949500000000000 wei 0.4639495 eth) Gas price: 0x6ddd00 // (decimal: 7200000 wei) Gas: ...
1
vote
2answers
330 views

Transaction Hash after deploying contract with Web3.py too long

I managed to successfully deploy a contract using Web3.py to the Ethereum Ropsten network using this bit of code def deploy(self): instance = self.w3.eth.contract(abi=self.abi, bytecode=self.bin) ...
1
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0answers
416 views

eth_sendRawTransaction parameter formatting

we have a JSON RPC method eth_sendRawTransaction as specified here. how is the raw transaction data formatted? I can't seem to find this anywhere. I'm guessing it consists of a signed transaction ...
0
votes
0answers
10 views

“exceeds block gas limit” on partially synced geth

I am trying to send eth when my geth node is not fully synced (it's very, very slow) { currentBlock: 10683052, highestBlock: 10780597, knownStates: 57935524, pulledStates: 57929853, ...
0
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0answers
23 views

How to create a multisg account on Geth server?

As you know, multisig wallets are more secure approach in financial cryptocurrency businesses. In my researches, I found out how can I create a multisig wallet in Bitcoin blockchain using this link. ...
0
votes
1answer
308 views

Getting the warning Served eth_sendRawTransaction err=“already known” on local blockchain with metamask

The problem: I call a smart contract function on my local blockchain, then I confirm the transaction on metamask and finally the transaction is submitted but the transaction does not get mined. On ...
0
votes
1answer
161 views

About send Ethereum Classic (ETC) coin

Need guideline for send ETC coin using web3js,As per documented flow I understand we can access all methods same as ETH but I have query regarding set provider for ETC after that I can connect to ETC ...
0
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0answers
186 views

sendRawTransaction insufficient funds while there is enough balance

Sorry I probably create a topic that was answered multiple times but unfortunately I couldn't find a solution. I'm trying to use RPC server of Geth to send a raw transaction. I've an address with a ...
0
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2answers
155 views

how to write backend for contract if you use infura ropsten metamask and remix

i'm using metamask with ropsten. deployed my contract on ropsten using remix. for the backend i used infura to create instance of web3. ew Web3(new Web3.providers.HttpProvider('https://ropsten.infura....
0
votes
2answers
159 views

sending signed transactions from contract

Is it possible to send private key signed transactions directly from the contract? The thing I want to do is to create a similar function function sendTransactionForUser(_signedData, contractAddress)...