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divest_liquidity
An entrypoint for liquidity divestment from the specific liquidity pool (pair). Also it votes for the users' bakers in case of liquidity divestment from TOK/TEZ pools.

Call parameters

type token_id_t is nat
​
type divest_liquidity_t is [@layout:comb] record [
pair_id : token_id_t;
min_token_a_out : nat;
min_token_b_out : nat;
shares : nat;
liquidity_receiver : address;
candidate : key_hash;
deadline : timestamp;
]
Field
Type
Description
pair_id
token_id_t (nat)
Identifier of the liquidity pool (pair)
min_token_a_out
nat
The minimum number of token A that the user agrees to
min_token_b_out
nat
The minimum number of token B that the user agrees to
shares
nat
Amount of LP tokens to use in time of divestment
liquidity_receiver
address
Receiver of tokens A and tokens B
candidate
key_hash
Baker for voting (is used only in time of divestment from TOK/TEZ exchanges)
deadline
timestamp
The time until which the transaction remains valid and will not be rejected

Usage

🌮 Taquito
const dexCoreAddress = "KT1...";
const parmas = {
pair_id: 0,
min_token_a_out: 100,
min_token_b_out: 100,
shares: 100,
liquidity_receiver: "tz1.../KT1...",
candidate: "tz1...",
deadline: String(Date.parse((await tezos.rpc.getBlockHeader()).timestamp) / 1000 + 100),
};
const dexCore = await tezos.contract.at(dexCoreAddress);
const operation = await dexCore.methodsObject.divest_liquidity(parmas).send();
​
await operation.confirmation();

Errors

  • 108 - pair (pool) with the specified token_id not listed.
  • 109 - pair doesn't have a liquidity.
  • 114 - insufficient liquidity.
  • 115 - dust output (zero tokens amount expected).
  • 116 - high expectations of output tokens.
  • 136 - reentrancy.
  • 142 - wrong reserves state after execution of the operation.
  • 144 - action outdated (the time until which the transaction remained valid was passed).
  • 412 - non payable entrypoint (can't accept TEZ tokens during call of an entrypoint).
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Call parameters
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Errors