gno.land - /r/gnoswap/common

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

Approve


              func Approve(cur realm, tokenKey string, spender address, amount int64) error

Approve crosses into common before forwarding to grc20.Teller.Approve. CallerTeller uses cur.Previous() as the approver, so this helper must remain a crossing adapter called with cross(cur).

Parameters:

cur: current realm
tokenKey: GRC20 registry key
spender: address allowed to spend the tokens
amount: amount of tokens to approve

Returns an error if the approval fails, nil otherwise.

Command

# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.

gnokey maketx call -pkgpath "gno.land/r/gnoswap/common" -func "Approve" -args $'' -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 1_000_000_000 -send "" -chainid "topaz-1" -remote "https://rpc.topaz.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.topaz.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/common" -func "Approve" -args $'' -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 1_000_000_000 -send "" -broadcast=false ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "topaz-1" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.topaz.testnets.gno.land" call.tx

common package

Overview

Function

Approve

Params

Command