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Add Liquidity

Adds liquidity to an existing pair and receives LP tokens in return.

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Accounts

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pair
Account<Pair>
required
The pair account. PDA derived from [PAIR_SEED_PREFIX, token0, token1, params_hash].
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user_token0_account
InterfaceAccount<TokenAccount>
required
User’s token0 account. Must have sufficient balance for amount0_in.
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user_token1_account
InterfaceAccount<TokenAccount>
required
User’s token1 account. Must have sufficient balance for amount1_in.
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user_lp_token_account
InterfaceAccount<TokenAccount>
required
User’s LP token account. Will receive minted LP tokens.
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user
Signer
required
The user adding liquidity. Must be a signer.

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Arguments

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amount0_in
u64
required
Amount of token0 to deposit. Must be greater than 0.
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amount1_in
u64
required
Amount of token1 to deposit. Must be greater than 0.
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min_liquidity_out
u64
required
Minimum LP tokens to receive. Used for slippage protection.
use anchor_lang::prelude::*;
use omnipair::program::Omnipair;

let add_liquidity_args = AddLiquidityArgs {
    amount0_in: 100 * 10u64.pow(token0_decimals),
    amount1_in: 200 * 10u64.pow(token1_decimals),
    min_liquidity_out: 0,
};

let accounts = AdjustLiquidity {
    pair: pair_pda,
    user_token0_account: user_token0_account,
    user_token1_account: user_token1_account,
    user_lp_token_account: user_lp_token_account,
    user: user.key(),
    // ... other accounts
};

let ctx = CpiContext::new(program_id, accounts);
omnipair::cpi::add_liquidity(ctx, add_liquidity_args)?;

{
  "signature": "5VERv8NMvzbJMEkV8xnrLkEaWRtSz9CosKDYjCJjBRnbJLgp8uirBgmG5Rk88jH2k9f4w3JHFf7Pjsk3bWqeXrC",
  "slot": 123456789
}