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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

BalanceOf

func BalanceOf(tokenKey string, addr address) int64

BalanceOf returns the token balance for the specified address.

Parameters:

  • tokenKey: GRC20 registry key
  • addr: address to query the balance for

Returns the token balance as int64.

Params

Command

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

Result