@brief Iterator into end of sub-item list (valid only if we are a list).

@returns the number of bytes in the data, or zero if it isn't data.

@brief Iterator into beginning of sub-item list (valid only if we are a list).

find a character in the char string

@returns a mutable byte vector_ref to the object's data.

Calculate SHA3-256 hash of the given input, returning as a 256-bit hash.

@returns a new vector_ref which is a shifted and shortened view of the original data. If this goes out of bounds in any way, returns an empty vector_r

Converts to string. @returns the empty string if not a string.

The bare data of the RLP.

@returns the number of items in the list, or zero if it isn't a list.

Converts to bytearray. @returns the empty byte array if not a string.

@returns the hash as a user-readable hex string.

Copies the contents of this vector_ref to the contents of @a _t, up to the max size of @a _t.

Returns node count.

Allows changing worker name if work is stopped.

@returns target address. Always valid, but requires the Registry address and a function to make calls.

@returns the amount of ETH to be transferred by this (message-call) transaction, in Wei. Synonym for endowment().

List value.

@returns a copy of the object's data as a byte vector.

Get the partial-header of a block (or the most recent mined if none given). Thread-safe.

No value.

@description 错误请求回调 @param code 错误码 @param error 错误信息

@returns an abridged version of the hash as a user-readable hex string.

Get our current node ID.

Contains a zero-length string or zero-length list.

Clear the output stream so far.

@return the id