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Utility Helpers

Provider Helpers

extractBalanceFromResponse

Extracts the specific balance denomination from the ABCI response

Parameters

  • abciData (string | null) the base64-encoded ABCI data
  • denomination string the required denomination

extractSequenceFromResponse

Extracts the account sequence from the ABCI response

Parameters

  • abciData (string | null) the base64-encoded ABCI data

Returns number

extractAccountNumberFromResponse

Extracts the account number from the ABCI response

Parameters

  • abciData (string | null) the base64-encoded ABCI data

Returns number

waitForTransaction

Waits for the transaction to be committed to a block in the chain of the specified provider. This helper does a search for incoming blocks and checks if a transaction

Parameters

  • provider Provider the provider instance
  • hash string the base64-encoded hash of the transaction
  • fromHeight number the starting height for the search. If omitted, it is the latest block in the chain ( optional, default latest)
  • timeout number the timeout in MS for the search (optional, default 15000)

Returns Promise<Tx>

Request Helpers

newRequest

Creates a new JSON-RPC 2.0 request

Parameters

  • method string the requested method
  • params Array? the requested params, if any

Returns RPCRequest

newResponse

Creates a new JSON-RPC 2.0 response

Parameters

  • result Result the response result, if any
  • error RPCError the response error, if any

Returns RPCResponse<Result>

parseABCI

Parses the base64 encoded ABCI JSON into a concrete type

Parameters

  • data string the base64-encoded JSON

Returns Result

stringToBase64

Converts a string into base64 representation

Parameters

  • str string the raw string

Returns string

base64ToUint8Array

Converts a base64 string into a Uint8Array representation

Parameters

  • str string the base64-encoded string

Returns Uint8Array

uint8ArrayToBase64

Converts a Uint8Array into base64 representation

Parameters

  • data Uint8Array the Uint8Array to be encoded

Returns string