Supervaults Liquidity Provider library
The Valence Supervaults LPer library library allows to provide liquidity into Neutron Supervaults from an input account and deposit the LP tokens into an output account.
High-level flow
--- title: Supervaults Liquidity Provider --- graph LR IA((Input Account)) OA((Output Account)) P[Processor] S[Supervaults<br>Liquidity<br>Provider] SV[Supervault] P -- 1/Provide Liquidity --> S S -- 2/Query balances --> IA S -- 3/Try Provide Liquidity --> IA IA -- 4/Provide Liquidity [Tokens] --> SV IA -- 4'/Transfer LP Tokens --> OA
Functions
| Function | Parameters | Description |
|---|---|---|
| ProvideLiquidity | expected_vault_ratio_range: Option<PrecDecimalRange> | Provide liquidity to the pre-configured Supervault from the input account, using available balances of both assets, and deposit the LP tokens into the output account. Abort if the vault price ratio is not within the expected_vault_ratio_range (if specified). Note: PrecDec is a 27 decimal precision value. |
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, // Supervault address pub vault_addr: String, // LP configuration pub lp_config: LiquidityProviderConfig, } pub struct LiquidityProviderConfig { // Denoms of both native assets we are going to provide liquidity for pub asset_data: AssetData, // LP token denom for the supervault pub lp_denom: String, } pub struct PrecDecimalRange { pub min: PrecDec, pub max: PrecDec, } pub struct AssetData { pub asset1: String, pub asset2: String, } }