Skip to main content

Echo

Calls​

ping​

Ping extrinsic sends an event to the bridge containing a message

Namespace​

api.tx.echo.ping

Type​

function ping(
  destination: H160
)

Storage​

nextSessionId​

The next available offer_id

Namespace​

api.query.echo.nextSessionId

Type​

function nextSessionId(

): u64

Events​

PingReceived​

A ping was received from Ethereum

Namespace​

api.events.echo.PingReceived

Type​

type PingReceived = {
  session_id: u64,
  source: H160,
  data: Bytes
}

PingSent​

A ping message was sent to Ethereum

Namespace​

api.events.echo.PingSent

Type​

type PingSent = {
  session_id: u64,
  source: H160,
  destination: H160,
  event_proof_id: u64
}

PongReceived​

A pong response was received from Ethereum

Namespace​

api.events.echo.PongReceived

Type​

type PongReceived = {
  session_id: u64,
  source: H160,
  data: Bytes
}

PongSent​

A pong message was sent to Ethereum

Namespace​

api.events.echo.PongSent

Type​

type PongSent = {
  session_id: u64,
  source: H160,
  destination: H160,
  event_proof_id: u64
}

Errors​

InvalidAbiEncoding​

The abi received does not match the encoding scheme

Namespace​

api.errors.echo.InvalidAbiEncoding

InvalidParameter​

Invalid ping_or_pong parameter, must be 0 or 1

Namespace​

api.errors.echo.InvalidParameter

NoAvailableIds​

There are no remaining session ids

Namespace​

api.errors.echo.NoAvailableIds

Constants​

palletId​

This pallet's Id, used for deriving a sovereign account ID

Namespace​

api.consts.echo.palletId

Type​

type palletId = FrameSupportPalletId