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router package

Overview

Package router provides swap routing and execution across GnoSwap liquidity pools.

Router domain proxy for single-hop and multi-hop exact-in, exact-out, and dry-route operations.

Live exact-in and exact-out calls validate a deadline and the corresponding amount limit (minimum output or maximum input). DrySwapRoute is a read-only quote path with no deadline or token transfer.

The router fee is charged on output tokens. It defaults to 15 bps (0.15%) and is configurable by admin/governance from 0 through 1000 bps (0–10%); the current rate is fixed for each individual execution.

The router acts as a proxy to version-specific implementations, currently routing to v1 for all swap operations.

Function

ExactInSwapRoute

func ExactInSwapRoute(cur realm, inputToken string, outputToken string, amountIn string, routeArr string, quoteArr string, amountOutMin string, deadline int64, referrer string) (string, string)

ExactInSwapRoute executes a multi-hop swap for an exact input amount.

Parameters:

  • cur: current realm context; callers use cross(cur) when crossing into this realm
  • inputToken: input token path
  • outputToken: output token path
  • amountIn: exact input amount
  • routeArr: encoded route
  • quoteArr: encoded quotes
  • amountOutMin: minimum output amount
  • deadline: transaction deadline
  • referrer: referral address

Returns:

  • amountIn: input amount consumed
  • amountOut: net output amount delivered after the router fee

Halt check: reverts while the Router halt scope is active.

Params

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/router" -func "ExactInSwapRoute" -args $'' -args $'' -args $'' -args $'' -args $'' -args $'' -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 1_000_000_000 -send "" -chainid "gnoland-1" -remote "http://127.0.0.1:26657" ADDRESSgnokey query -remote "http://127.0.0.1:26657" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/router" -func "ExactInSwapRoute" -args $'' -args $'' -args $'' -args $'' -args $'' -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 "gnoland-1" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "http://127.0.0.1:26657" call.tx