NewReader constructs a new reader with the provided bytes.

ReadExtensibleString reads a varint31 length prefix and that many bytes from r.

ReadVarstrList reads a varint31 length prefix followed by that many varstrs.

WriteExtensibleString sends the output of the given function, plus the given suffix, to w, together with a varint31 length prefix.

WriteVarstrList writes a varint31 length prefix followed by the elements of l as varstrs.

Reader wraps a buffer and provides utilities for decoding data primitives in blockchain structures.