common package

Overview

Package common provides shared realm utilities for GnoSwap protocol contracts.

The package contains helpers that must keep a realm boundary, including GRC20 token operations and native coin validation. AMM math lives in gno.land/p/gnoswap/gnsmath.

Key components: - GRC20 Registry Helpers: convenient wrappers for GRC20 token operations - Coin Utilities: native coin handling and validation - Assertion Utilities: input validation and authorization checks

Function

Allowance


              func Allowance(tokenKey string, owner, spender address) int64

Allowance returns the token allowance from owner to spender.

Parameters:

tokenKey: GRC20 registry key
owner: address of the token owner
spender: address of the spender

Returns the allowance amount as int64.

Command

gnokey query vm/qeval -remote "https://rpc.topaz.testnets.gno.land" -data "gno.land/r/gnoswap/common.Allowance(,,)"

common package

Overview

Function

Allowance

Params

Command

Result