Mastering Blockchain - Second Edition

Transaction validation and execution

Transactions are executed after verifying the transactions for validity. Initial tests are listed as follows:

• A transaction must be well-formed and RLP-encoded without any additional trailing bytes
• The digital signature used to sign the transaction is valid
• Transaction nonce must be equal to the sender's account's current nonce gas limit must not be less than the gas used by the transaction
• The sender's account contains enough balance to cover the execution cost.