Drizzle Actions

Drizzle emits many different actions that we can hook into with Middlewares. For more information about writing middlewares for Drizzle, see the Drizzle and Contract Events tutorial.

The main categories of actions pertain to: * Accounts * Blocks * Drizzle * Contract Events * Transactions

Accounts

ACCOUNTS_FETCHING

Fired when Drizzle begins fetching accounts.

ACCOUNTS_FETCHED

Fired once Drizzle has successfully fetched accounts.

{
  accounts
}

accounts (array): An array of account addresses.

ACCOUNT_BALANCE_FETCHED

Fired when an account balance has been successfully fetched.

{
  address: balance
}

balance (int): The account balance, indexed by account address (string) in gwei.

ACCOUNTS_POLLING

Fired when Drizzle begins polling for account changes.

Blocks

BLOCK_PROCESSING

{
  block
}

block (object): The block object returned by web3. See the web3 getBlock documentation for the block object's structure.

Drizzle

DRIZZLE_INITIALIZED

Fire when drizzle has finished initializing. Once this has fired, web3 and accounts have been intialized.

Contract Events

EVENT_FIRED

Fired when a contract event has been fired.

{
  name,
  event
}

name (string): The name of the event.

event (object): The event object returned by web3. See the web3 Contract Event documentation for the event object's structure.

Transactions

TX_BROADCASTED

{
  txHash,
  stackId
}

txHash (string): The transaction hash.

stackId (int): An integer representing an index in the transactionStack.

TX_CONFIRMATION

{
  confirmationReceipt,
  txHash
}

confirmationReceipt (object): The confirmation receipt returned by web3. See the web3 getTransactionReceipt documentation for the receipt object's structure.

txHash (string): The transaction hash.

TX_SUCCESSFUL

{
  receipt,
  txHash
}

receipt (object): The transaction receipt returned by web3. See the web3 getTransactionReceipt documentation for the receipt object's structure.

txHash (string): The transaction hash.

TX_ERROR

{
  error,
  stackTempKey
}

error (object): An error object, containig a message, if provided. Empty object if the transaction failed as a result of user rejection via their wallet.

stackTempKey (string): If the transaction experienced an erorr before broadcasting (such as a rejection), this key will be filled on the transactionStack rather than a transaction hash to prevent stack index collisions.