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get_cumulative_prices
This on-chain view returns cumulative prices and last timestamp of its calculation for a liquidity pool (pair). Also can return a list of cumulative prices for a list of liquidity pools.

Call parameters

type token_id_t is nat
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type cum_prices_req_t is token_id_t
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list(cum_prices_req_t)
Field
Type
Description
cum_prices_req_t
token_id_t (nat)
Pair ID for which you need to get cumulative prices

Return type

type token_id_t is nat
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type cum_prices_t is [@layout:comb] record [
last_block_timestamp : timestamp;
token_a_price_cml : nat;
token_b_price_cml : nat;
]
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type cum_prices_req_t is token_id_t
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type cum_prices_res_t is [@layout:comb] record [
request : cum_prices_req_t;
cumulative_prices : cum_prices_t;
]
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list(cum_prices_res_t)

cum_prices_t

Field
Type
Description
last_block_timestamp
timestamp
Last timestamp of cumulative prices calculation
token_a_price_cml
nat
Cumulative price of token A
token_b_price_cml
nat
Cumulative price of token B

cum_prices_res_t

Field
Type
Description
request
cum_prices_req_t (nat)
Cumulative prices request
cumulative_prices
โ€‹cum_prices_tโ€‹
Cumulative prices response

Usage

๐ŸŒฎ Taquito
const dexCoreAddress = "KT1...";
const params = [0, 1, 15];
const viewCaller = "tz1...";
const dexCore = await tezos.contract.at(dexCoreAddress);
const cumulativePrices = await dexCore.contract.contractViews.get_cumulative_prices(params).executeView({ viewCaller: viewCaller });

Errors

  • 108 - pair (pool) with the specified token_id not listed.
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