op-geth/ethwire

ethwire

The ethwire package contains the ethereum wire protocol. The ethwire package is required to write and read from the ethereum network.

Installation

go get github.com/ethereum/ethwire-go

Messaging overview

The Ethereum Wire protocol defines the communication between the nodes running Ethereum. Further reader reading can be done on the Wiki.

Reading Messages

// Read and validate the next eth message from the provided connection.
// returns a error message with the details.
msg, err := ethwire.ReadMessage(conn)
if err != nil {
  // Handle error
}

Writing Messages

// Constructs a message which can be interpreted by the eth network.
// Write the inventory to network
err := ethwire.WriteMessage(conn, &Msg{
  Type: ethwire.MsgInvTy,
  Data : []interface{}{...},
})