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FAQs

Misc

How to send a transaction?

The easiest way to send a transaction is to use a wallet such as Conflux Fluent, and click “send” to directly set the amount. If you are a developer, you can use the Conflux SDK (JS, Java, Go) to construct the transaction yourself, and then send it to the chain via the node RPC.

Can a transaction be canceled or replaced?

If a transaction has not been packed into a block and is in the transaction pool, it can be replaced by sending a new transaction with the same nonce and a higher gasPrice.

Transactions cannot be canceled but can be replaced with a transaction of value 0. This is a way to reach the same result as canceling the transaction.

Why is a transaction packaged into multiple blocks simultaneously?

This is due to the concurrent block emission caused by the tree chart ledger structure. Although a transaction may be packaged into multiple blocks, it will ultimately be executed in only one block.

What types of transactions does Core Space support?

There is only one type, similar to Ethereum 155 transactions.

What's the differences between Ethereum 155 Transaction and Core Space Transaction

Compared to Ethereum 155 transaction, transactions through Conflux Core Space have several differences:

  • Fields are different: with 2 more field storageLimit, and epochHeight.
  • Differences when encoding transactionss:
    1. The RLP structure to compute transaction hash is [nonce, gasPrice, gas, to, value, storageLimit, epochHeight, chainId, data]
    2. The RLP structure of a rawTx is [[nonce, gasPrice, gas, to, value, storageLimit, epochHeight, chainId, data], v, r, s]
  • The v value signed by ecdsaSign will not be specifically modified in Conflux Core Space, while in Ethereum, there will be some special treatments to the v value.

Does Core Space support EIP-1559 transactions or EIP-2718?

Core space supports typed transaction as well as maxFeePerGas, maxPriorityFeePerGas transaction fields as described in EIP-1559. But it should be noticed Conflux Core Space adopts a different RLP structure to implement typed transaction, just similar to the difference between Ethereum 155 transaction and Core Space legacy transaction.