Osmosis GAMM liquidity withdrawer library

The Valence Osmosis GAMM Withdrawer library library allows to exit a pool on Osmosis, using the GAMM module (Generalized Automated Market Maker), from an input account, an deposit the withdrawed tokens into an output account.

High-level flow

---
title: Osmosis GAMM Liquidity Withdrawal
---
graph LR
  IA((Input
      Account))
  OA((Output
		  Account))
  P[Processor]
  S[Osmosis GAMM
      Liquidity
      Withdrawal]
  AP[Osmosis
     Pool]
  P -- 1/Withdraw Liquidity --> S
  S -- 2/Query balances --> IA
  S -- 3/Compute amounts --> S
  S -- 4/Do Withdraw Liquidity --> IA
  IA -- 5/Withdraw Liquidity
				  [LP Tokens] --> AP
  AP -- 5'/Transfer assets --> OA

Functions

Configuration

The library is configured on instantiation via the LibraryConfig type.

#![allow(unused)]
fn main() {
pub struct LibraryConfig {
    // Account from which the funds are LPed
    pub input_addr: LibraryAccountType,
    // Account to which the LP tokens are forwarded
    pub output_addr: LibraryAccountType,
    // Liquidity withdrawer configuration
    pub withdrawer_config: LiquidityWithdrawerConfig,
}

pub struct LiquidityWithdrawerConfig {
    // ID of the pool
    pub pool_id: Uint64,
}
}