10-Steps transaction mining process thread.
What are the main steps in the process of the mining of a new transaction on Ethereum?
Let's see this in 2 minutes in this thread.
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What are the main steps in the process of the mining of a new transaction on Ethereum?
Let's see this in 2 minutes in this thread.
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10 Steps:
1 Transaction signing
2 Transaction broadcast
3 Request added to mempool
4 Transaction request aggregation
5 Miner awards transaction fee
6 proof-of-work certificate
7 Block broadcast
8 Other nodes' verification
9 Mempool cleanup
10 New nodes sync
Start
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1 Transaction signing
2 Transaction broadcast
3 Request added to mempool
4 Transaction request aggregation
5 Miner awards transaction fee
6 proof-of-work certificate
7 Block broadcast
8 Other nodes' verification
9 Mempool cleanup
10 New nodes sync
Start
↓
1 Transaction signing
A user writes and signs a transaction request with their account using the private key.
A user writes and signs a transaction request with their account using the private key.
2 Transaction broadcast
The user broadcasts the transaction request to the entire Ethereum network from a node.
The user broadcasts the transaction request to the entire Ethereum network from a node.
3 Request added to mempool
Each node in the network adds the request to their local mempool.
A mempool is a list of all transaction requests that have not yet been committed to the blockchain in a block.
Each node in the network adds the request to their local mempool.
A mempool is a list of all transaction requests that have not yet been committed to the blockchain in a block.
4 Transaction request aggregation
After some time, a mining node aggregates many transaction requests (from dozens to hundreads) into a potential block.
By doing this the transaction fee earned while still staying under the block gas limit is maxed.
After some time, a mining node aggregates many transaction requests (from dozens to hundreads) into a potential block.
By doing this the transaction fee earned while still staying under the block gas limit is maxed.
5 Miner awards transaction fee
The mining node:
- verifies the validity of each transaction
- executes the code of the request
This second step alter the state of the local EVE
The miner awards the transaction fee! Profit!
The mining node:
- verifies the validity of each transaction
- executes the code of the request
This second step alter the state of the local EVE
The miner awards the transaction fee! Profit!
6 proof-of-work certificate
When all block transaction requests have been:
- verified
- executed
the mining node begins the process of the creation of the proof-of-work certificate for the block.
Eventually, the certificate for the request is produced.
When all block transaction requests have been:
- verified
- executed
the mining node begins the process of the creation of the proof-of-work certificate for the block.
Eventually, the certificate for the request is produced.
7 Block broadcast
The miner then broadcasts the completed block.
The completed block includes:
- the certificate
- a checksum of the new EVM state.
The miner then broadcasts the completed block.
The completed block includes:
- the certificate
- a checksum of the new EVM state.
8 Other nodes' verification
Other nodes:
- verify the certificate
- execute all transactions on the block
- verify that the checksum of the new EVM state matches the miner's block one.
- append the block to the blockchain's tail
- accept the new EVM state as the canonical state
Other nodes:
- verify the certificate
- execute all transactions on the block
- verify that the checksum of the new EVM state matches the miner's block one.
- append the block to the blockchain's tail
- accept the new EVM state as the canonical state
9 Mempool cleanup
All the transactions in the new block from the nodes' local mempool of unfulfilled transaction requests are removed.
All the transactions in the new block from the nodes' local mempool of unfulfilled transaction requests are removed.
10 New nodes sync
New nodes:
- download all blocks in sequence (including the block with the new transaction).
- initialize a local EVM copy.
- execute every transaction in every block of their local EVM.
- verify state checksums at each block.
New nodes:
- download all blocks in sequence (including the block with the new transaction).
- initialize a local EVM copy.
- execute every transaction in every block of their local EVM.
- verify state checksums at each block.
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