Icon

Contract API endpoints

Please refer to the smart contract documentation for ICON for instructions on how to use these API endpoints with their smart contracts.

ICON CONTRACT API

Call API

Method name

Param

Return

Description

Trade related

getPrice()

-

int

get the curent pool state

Yes

getMaxTransaction()

-

int

get max amount per transaction

Yes

getEstimatedBuyReceiveAmount(int amount)

int

int

Returns the amount of trading token to receive

Yes

getEstimatedSellReceiveAmount(int amount)

int

int

Returns the amount of base token to receive

Yes

pendingFeeEarn(address owner)

address

int

Return amount of UP token the user can claim

No

getMaxRatio()

-

int

%Max amount per trade

Yes

getSTATE()

-

int

If the pair is open for trading:[0 - close , 1 - open]

Yes

getSeedBuyRate()

-

uint256

Rebates %[Out of 100000]

Yes

getFEE()

-

int

%FEE for the pair[Out of 100000]

Yes

totalSupply()

-

int

Return Total Supply of liquidity token

No

balanceOf(address owner)

address

int

Return user liquidity balance

No

creditOf(address owner)

address

int

Return user ICX deposited into contract to add liquidity

No

name()

-

string

Return Liquidity name Symbol

No

symbol()

-

string

Return Liquidity Token Symbol

No

decimals()

-

int

Return Liquidity Token Decimals

No

Write API

Method name

Param

Return

Payable

Description

Buy

address

int

Yes

When a user buys a trading token.Example UP/ICX, a user would like to BUY UP using 1 ICX param would be user account address, call value would be 1 ICX

addCredit

int

-

Yes

Deposit ICX in order to add liquidity

withdrawCredit

-

-

No

Contract will return users all of ICX user credit

WithdrawSupply

int

-

No

Liquidity providers to withdraw their liquidity

ClaimFee

-

int

-

No

Liquidity providers to claim the UP fees earn from the smart contract

Transfer trading token through token fall back function.Pack bytes in _data field.

_data

Method name

Purpose

Param

Return

Payable

Description

b'1'

transfer

Trigger a sell

int

-

-

When a user sells a trading token.Example UP/ICX, a user would like to SELL 10 UP.The webapp *must( send an approval before executing sell function. Param would be 1e19[Up has 18 decimals we are selling 10 UP]

b'4'

transfer

Trigger a Deposit supply

int

-

-

For Liquidity Providers to deposit their tokens approval/allowance must be given before trigerring this function

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