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lazy/v0 package

Overview

Package lazy is version 0 of the "lazy migration" upgrade pattern (pattern D of the exploration; see ../README.md).

This version is an ordinary record store. It is written without any knowledge of a successor: what makes the pattern work is only that its records are readable from outside, which any avl-backed realm already is.

Functions

Render

func Render(_ string) string

Param

Command

gnokey query vm/qeval -remote "https://rpc.gno.land" -data "gno.land/r/moul/x/upgrade/lazy/v0.Render()"

Result

Size

func Size() int

Size is how many records still live here. It never shrinks: lazy migration COPIES forward, it does not move, so v0 keeps paying for every record it ever held.

Command

gnokey query vm/qeval -remote "https://rpc.gno.land" -data "gno.land/r/moul/x/upgrade/lazy/v0.Size()"

Result

Get

func Get(key string) *Record

Get returns a record or nil. Non-crossing: v1 reads through it while migrating, and gnoweb can call it without a transaction.

Param

Command

gnokey query vm/qeval -remote "https://rpc.gno.land" -data "gno.land/r/moul/x/upgrade/lazy/v0.Get()"

Result