Skip to content
/ eosdt-js Public

Equilibrium is a framework for accelerating development of DeFi applications, decentralized stablecoins, and synthetic assets. EOSDT (pegged to USD) is the first decentralized stablecoin on EOS and a proof of concept for the Equilibrium technology.

License

MIT license
10 stars 3 forks Branches Tags Activity
Star
Notifications You must be signed in to change notification settings

equilibrium-eosdt/eosdt-js

BranchesTags

Repository files navigation

EOSDT JS

view on npm

A JavaScript library to execute EOSDT contracts methods.

Usage

Install the module using NPM:

$ npm install @eosdt/eosdt-js

Use service module Connector to initiate one of functional modules. Connector uses EOS node address and an array of private keys. Transactions would be signed with given keys and sent to blockchain through given node.

const { EosdtConnector } = require("@eosdt/eosdt-js")

const nodeAddress = "http://node-address.example.com:80"

const connector = new EosdtConnector(nodeAddress, ["private-key-1", "private-key-2"])

const eosPositions = connector.getPositions()
const eosLiquidator = connector.getLiquidator()

const pbtcPositions = connector.getBasicPositions("PBTC")
const pbtcLiquidator = connector.getLiquidator("PBTC")

const pethPositions = connector.getBasicPositions("PETH")
const pethLiquidator = connector.getLiquidator("PETH")

const governance = connector.getGovernance()
const balances = connector.getBalances()
const savings = connector.getSavingsRate()

Fore more code examples, checkout examples folder.

Modules documentation

ITrxParamsArgument

This object is used as optional argument in each method that sends actions to blockchain. Use it to manage transaction and action parameters.

This object has following properties:

Property Type Description
[permission] string

Name of permission, active is used by default
[blocksBehind] number

Default value is 3
[expireSeconds] number

Default value is 60

Classes

ArmContract

Module to manage EOSDT arming operations

BalanceGetter

Module to get account's balances of EOSDT, EOS, PBTC, PETH and NUT

BasicPositionsContract

Module to manage EOSDT positions with non-EOS collateral

BpManager

Class for EOSDT Governance actions, related to block producers management

EosdtConnector

A connector object, used to build classes to work with EOSDT ecosystem contracts

GovernanceContract

A class to work with EOSDT Governance contract (eosdtgovernc)

LiquidatorContract

A class to work with EOSDT Liquidator contract. Creates EOS liquidator by default

PositionsContract

Module to manage EOS-collateral positions (on contract eosdtcntract). It is inherited from BasicPositionsContract and includes all it's methods.

SavingsRateContract

A wrapper class to invoke actions of Equilibrium Savings Rate contract

TokenSwapContract

A wrapper class to invoke actions of Equilibrium Token Swap contract

ArmContract

Module to manage EOSDT arming operations

Kind: global class

armContract.armEos(accountName, amount, arm, [transactionParams]) ⇒ Promise

Creates EOSDT position with given EOS, then sells received EOSDT to buy more EOS and add it to position. Contract would continue for 20 iterations or until given arm is reached

Kind: instance method of ArmContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
accountName string

name of account that sends EOS and receives position
amount number | string

transferred amount of EOS
arm number

arm value. With arm = 2.1 and 100 EOS user will receive position with 210 EOS
[transactionParams] object

see ITrxParamsArgument

armContract.armExistingEosPosition(owner, positionId, arm, [transactionParams]) ⇒ Promise

Gives EOS-EOSDT position to 'arm.eq' contract and it arms that position (see armEos)

Kind: instance method of ArmContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
owner string

name of position maker account
positionId number
arm number

arm value. With arm = 2.1 and 100 EOS user will receive position with 210 EOS
[transactionParams] object

see ITrxParamsArgument

armContract.dearmEosPosition(owner, positionId, debtTarget, [transactionParams]) ⇒ Promise

Reduces debt on position, selling it's collateral. Will stop, when position has LTV, equal to critical LTV + arm safety margin. Excess EOSDT would be returned to maker acc balance

Kind: instance method of ArmContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
owner string

name of maker account
positionId number
debtTarget number

approximate desired debt amount
[transactionParams] object

see ITrxParamsArgument

armContract.getSettings() ⇒ Promise.<object>

Kind: instance method of ArmContract
Returns: Promise.<object> -

Positions contract settings


BalanceGetter

Module to get account's balances of EOSDT, EOS, PBTC, PETH and NUT

Kind: global class

new BalanceGetter(connector)

Creates instance of BalanceGetter

Param Description
connector

EosdtConnector (see README section Usage)

balanceGetter.getEos(account) ⇒ Promise.<number>

Kind: instance method of BalanceGetter
Returns: Promise.<number> -

EOS balance of account

Param Type Description
account string

Account name

balanceGetter.getEosdt(account) ⇒ Promise.<number>

Kind: instance method of BalanceGetter
Returns: Promise.<number> -

EOSDT balance of account

Param Type Description
account string

Account name

balanceGetter.getNut(account) ⇒ Promise.<number>

Kind: instance method of BalanceGetter
Returns: Promise.<number> -

NUT balance of account

Param Type Description
account string

Account name

balanceGetter.getPbtc(account) ⇒ Promise.<number>

Kind: instance method of BalanceGetter
Returns: Promise.<number> -

PBTC balance of account

Param Type Description
account string

Account name

balanceGetter.getPeth(account) ⇒ Promise.<number>

Kind: instance method of BalanceGetter
Returns: Promise.<number> -

PETH balance of account

Param Type Description
account string

Account name

BasicPositionsContract

Module to manage EOSDT positions with non-EOS collateral

Kind: global class

new BasicPositionsContract(connector, tokenSymbol)

Creates an instance of BasicPositionsContract

Param Type Description
connector

EosdtConnector (see README section Usage)
tokenSymbol string

"PBTC" or "PETH"

basicPositionsContract.newPosition(accountName, collatAmount, eosdtAmount, [transactionParams]) ⇒ Promise

Creates new position, sending specified amount of collateral and issuing specified amount of EOSDT to creator.

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
accountName string

Creator's account name
collatAmount string | number

Amount of collateral tokens to transfer to position
eosdtAmount string | number

EOSDT amount to issue
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.newEmptyPosition(maker, [transactionParams])

Creates new position with 0 debt and collateral

Kind: instance method of BasicPositionsContract

Param Type Description
maker string

Account to create position for
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.give(giverAccount, receiver, positionId, [transactionParams]) ⇒ Promise

Transfers position ownership to another account

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
giverAccount string

Account name
receiver string

Account name
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.addCollateral(senderName, amount, positionId, [transactionParams]) ⇒ Promise

Sends collateral to position to increase it's collateralization.

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string

Account name
amount string | number

Amount of added collateral
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.deleteCollateral(senderName, amount, positionId, [transactionParams]) ⇒ Promise

Returns collateral from position, LTV must remain above critical for this action to work

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string

Account name
amount string | number
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.generateDebt(senderName, amount, positionId, [transactionParams]) ⇒ Promise

Issues additional EOSDT if this does not bring position LTV below critical.

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string

Account name
amount string | number

Not more than 4 significant decimals
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.burnbackDebt(senderName, amount, positionId, [transactionParams]) ⇒ Promise

Transfers EOSDT to position to burn debt. Excess debt would be refunded to user account

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string

Account name
amount string | number

Not more than 4 significant decimals
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.addCollatAndDebt(senderName, addedCollatAmount, generatedDebtAmount, positionId, [transactionParams]) ⇒ Promise

Transfers collateral tokens to position and generates EOSDT debt

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string

Account name
addedCollatAmount string | number
generatedDebtAmount string | number
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.pbtcDelCollatAndRedeem(senderName, amount, positionId, btcAddress, [transactionParams]) ⇒ Promise

Withdraws specified amount of PBTC tokens from position and redeems that PBTCs

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string

Account name
amount string | number
positionId number
btcAddress string
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.marginCall(senderName, positionId, [transactionParams]) ⇒ Promise

Called on a position with critical LTV to perform a margin call

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string

Account name
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.del(creator, positionId, [transactionParams]) ⇒ Promise

Deletes position that has 0 debt.

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
creator string

Account name
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.paybackAndDelete(maker, debtAmount, positionId, [transactionParams]) ⇒ Promise

Burns debt on position and deletes it. Debt must be = 0 to delete position. Excess debt would be refunded to user account

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
maker string

Account name
debtAmount string | number

Must be > than position debt
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.close(senderAccount, positionId, [transactionParams]) ⇒ Promise

Used to close a position in an event of global shutdown.

Kind: instance method of BasicPositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderAccount string

Account name
positionId number
[transactionParams] object

see ITrxParamsArgument

basicPositionsContract.getContractTokenBalance() ⇒ Promise.<number>

Kind: instance method of BasicPositionsContract
Returns: Promise.<number> -

Contract's collateral asset balance.


basicPositionsContract.getRates() ⇒ Promise.<Array.<object>>

Kind: instance method of BasicPositionsContract
Returns: Promise.<Array.<object>> -

Table of current system token prices (contract 'pricefeed.eq' - table 'oraclerates'). These are valid rates, except fields 'backend_price' and 'backend_update' are missing


basicPositionsContract.getRatesNew() ⇒ Promise.<Array.<object>>

Kind: instance method of BasicPositionsContract
Returns: Promise.<Array.<object>> -

Table of current system token prices (contract 'pricefeed.eq' - table 'newrates'). These are valid rates including all rates data


basicPositionsContract.getLtvRatiosTable() ⇒ Promise.<Array.<object>>

Kind: instance method of BasicPositionsContract
Returns: Promise.<Array.<object>> -

Table of current LTV ratios for all positions.


basicPositionsContract.getPositionLtvRatio(id) ⇒ Promise.<(object|undefined)>

Kind: instance method of BasicPositionsContract
Returns: Promise.<(object|undefined)> -

Current LTV ratio for position by id

Param Type Description
id number

Position id

basicPositionsContract.getPositionById(id) ⇒ Promise.<(object|undefined)>

Kind: instance method of BasicPositionsContract
Returns: Promise.<(object|undefined)> -

A position object

Param Type Description
id number

Position id

basicPositionsContract.getPositionByMaker(maker) ⇒ Promise.<(object|undefined)>

Kind: instance method of BasicPositionsContract
Returns: Promise.<(object|undefined)> -

Position object - first position that belongs to maker account

Param Type Description
maker string

Account name

basicPositionsContract.getAllUserPositions(maker) ⇒ Promise.<Array.<object>>

Kind: instance method of BasicPositionsContract
Returns: Promise.<Array.<object>> -

Array of all positions objects, created by the maker

Param Type Description
maker string

Account name

basicPositionsContract.getAllPositions() ⇒ Promise.<Array.<object>>

Kind: instance method of BasicPositionsContract
Returns: Promise.<Array.<object>> -

An array of all positions created on this contract


basicPositionsContract.getLatestUserPosition(accountName) ⇒ Promise.<(object|undefined)>

Kind: instance method of BasicPositionsContract
Returns: Promise.<(object|undefined)> -

Position object - position of the account with maximum id value

Param Type
accountName string

basicPositionsContract.getParameters() ⇒ Promise.<object>

Kind: instance method of BasicPositionsContract
Returns: Promise.<object> -

Positions contract parameters


basicPositionsContract.getSettings() ⇒ Promise.<object>

Kind: instance method of BasicPositionsContract
Returns: Promise.<object> -

Positions contract settings


BpManager

Class for EOSDT Governance actions, related to block producers management

Kind: global class

new BpManager(connector)

Creates instance of BpManager

Param Description
connector

EosdtConnector (see README section Usage)

bpManager.getAllBpPositions() ⇒ Promise.<Array.<object>>

Kind: instance method of BpManager
Returns: Promise.<Array.<object>> -

An array of objects, that contain information about registered block producers


bpManager.getBpPosition() ⇒ Promise.<(object|undefined)>

Kind: instance method of BpManager
Returns: Promise.<(object|undefined)> -

Object with information about a registered block producer


bpManager.registerBlockProducer(bpName, depositedAmount, [transactionParams]) ⇒ Promise

Registers a block producer in BP voting reward program via EOS transfer. Transferred EOS is added to BP reward balance

Kind: instance method of BpManager
Returns: Promise -

Promise of transaction receipt

Param Type Description
bpName string

Account name
depositedAmount number

EOS amount to transfer
[transactionParams] object

see ITrxParamsArgument

bpManager.changeBlockProducerReward(bpName, rewardAmount, [transactionParams]) ⇒ Promise

Changes amount of EOS reward payed by block producer

Kind: instance method of BpManager
Returns: Promise -

Promise of transaction receipt

Param Type Description
bpName string

Account name
rewardAmount number
[transactionParams] object

see ITrxParamsArgument

bpManager.unregisterBlockProducer(bpName, [transactionParams]) ⇒ Promise

Deactivates block producer

Kind: instance method of BpManager
Returns: Promise -

Promise of transaction receipt

Param Type Description
bpName string

Account name
[transactionParams] object

see ITrxParamsArgument

bpManager.depositEos(fromAccount, bpName, eosAmount, [transactionParams]) ⇒ Promise

Deposit EOS into block producer Governance account to pay reward. Any account can deposit EOS for a block producer

Kind: instance method of BpManager
Returns: Promise -

Promise of transaction receipt

Param Type Description
fromAccount string

Paying account name
bpName string
eosAmount number | string
[transactionParams] object

see ITrxParamsArgument

EosdtConnector

A connector object, used to build classes to work with EOSDT ecosystem contracts

Kind: global class

new EosdtConnector(nodeAddress, privateKeys)

A connector object, used to build classes to work with EOSDT ecosystem contracts

Param Type Description
nodeAddress string

URL of blockchain node, used to send transactions
privateKeys Array.<string>

Array of private keys used to sign transactions

eosdtConnector.getBasicPositions(collateralToken) ⇒

Creates class to work with basic positions contract (non-EOS collateral)

Kind: instance method of EosdtConnector
Returns:

Instance of BasicPositionsContract

Param Type Description
collateralToken string

"PBTC" or "PETH"

eosdtConnector.getPositions()

Creates a class to work with EOS-collateral positions contract (eosdtcntract)

Kind: instance method of EosdtConnector

eosdtConnector.getLiquidator([collateralToken]) ⇒

Creates a class to work with specified liquidator contract

Kind: instance method of EosdtConnector
Returns:

Instance of LiquidatorContract

Param Type Default Description
[collateralToken] string "EOS"

"EOS", "PBTC" or "PETH"

eosdtConnector.getSavingsRateCont() ⇒

Creates a wrapper for Savings Rate contract

Kind: instance method of EosdtConnector
Returns:

Instance of SavingsRateContract


eosdtConnector.getArmContract() ⇒

Creates a wrapper for 'arm.eq' contract

Kind: instance method of EosdtConnector
Returns:

Instance of ArmContract


eosdtConnector.getTokenSwapContract() ⇒

Creates a wrapper for 'tokenswap.eq' contract

Kind: instance method of EosdtConnector
Returns:

Instance of TokenSwapContract


eosdtConnector.getGovernance() ⇒

Instantiates GovernanceContract - a wrapper to work with eosdtgovernc

Kind: instance method of EosdtConnector
Returns:

Instance of GovernanceContract


eosdtConnector.getBalances() ⇒

Instantiates a simple class to read blockchain balances

Kind: instance method of EosdtConnector
Returns:

Instance of BalanceGetter


GovernanceContract

A class to work with EOSDT Governance contract (eosdtgovernc)

Kind: global class

new GovernanceContract(connector)

Creates an instance of GovernanceContract

Param Description
connector

EosdtConnector (see README section Usage)

governanceContract.propose(proposal, senderName, [transactionParams]) ⇒ Promise

Creates a proposal

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
proposal object
proposal.proposer string
proposal.name string
proposal.title string
proposal.json string
proposal.expiresAt Date
proposal.type number
senderName string
[transactionParams] object

see ITrxParamsArgument

governanceContract.expire(proposalName, senderName, [transactionParams]) ⇒ Promise

Expires an active proposal

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
proposalName string
senderName string
[transactionParams] object

see ITrxParamsArgument

governanceContract.applyChanges(proposalName, senderName, [transactionParams]) ⇒ Promise

Applies proposed changes. At least 51% of all issued NUT tokens must vote, at least 55% of votes must be for proposal

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
proposalName string
senderName string
[transactionParams] object

see ITrxParamsArgument

governanceContract.cleanProposal(proposalName, deletedVotes, senderName, [transactionParams]) ⇒ Promise

Removes specified amount of votes from an expired proposal. If 0 votes left, removes proposal

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
proposalName string
deletedVotes number
senderName string
[transactionParams] object

see ITrxParamsArgument

governanceContract.stake(senderName, nutsAmount, [trxMemo], [transactionParams]) ⇒ Promise

Sends NUT tokens to contract, staking them and allowing to vote for block producers and for proposals

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
nutsAmount string | number
[trxMemo] string
[transactionParams] object

see ITrxParamsArgument

governanceContract.unstake(nutAmount, voterName, [transactionParams]) ⇒ Promise

Unstakes NUT tokens to user's balance

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
nutAmount string | number
voterName string
[transactionParams] object

see ITrxParamsArgument

governanceContract.vote(proposalName, vote, voterName, voteJson, [transactionParams]) ⇒ Promise

Vote for or against a proposal

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
proposalName string
vote number

Vote 1 as "yes", 0 or any other number as "no"
voterName string
voteJson string
[transactionParams] object

see ITrxParamsArgument

governanceContract.unvote(proposalName, voterName, [transactionParams]) ⇒ Promise

Removes all user votes from a proposal

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
proposalName string
voterName string
[transactionParams] object

see ITrxParamsArgument

governanceContract.voteForBlockProducers(voterName, producers, [transactionParams]) ⇒ Promise

Votes with staked NUTs for block producers

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
voterName string
producers Array.<string>
[transactionParams] object

see ITrxParamsArgument

governanceContract.stakeAndVoteForBlockProducers(voterName, nutAmount, producers, [transactionParams]) ⇒ Promise

Stakes NUTs and votes for BPs in one transaction

Kind: instance method of GovernanceContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
voterName string
nutAmount string | number
producers Array.<string>
[transactionParams] object

see ITrxParamsArgument

governanceContract.getVoterInfo() ⇒ Promise.<(object|undefined)>

Kind: instance method of GovernanceContract
Returns: Promise.<(object|undefined)> -

Amount of NUTs staked by account in Governance contract and their unstake date


governanceContract.getVoterInfosTable() ⇒ Promise.<Array.<object>>

Kind: instance method of GovernanceContract
Returns: Promise.<Array.<object>> -

Table of information on accounts that staked NUT


governanceContract.getVotes() ⇒ Promise.<Array.<object>>

Kind: instance method of GovernanceContract
Returns: Promise.<Array.<object>> -

An array with all Governance contract votes (up to 10000)


governanceContract.getVotesForAccount() ⇒ Promise.<Array.<object>>

Kind: instance method of GovernanceContract
Returns: Promise.<Array.<object>> -

All account votes


governanceContract.getProposals() ⇒ Promise.<Array.<object>>

Kind: instance method of GovernanceContract
Returns: Promise.<Array.<object>> -

An array with all Governance contract proposals (up to 10000)


governanceContract.getBpVotes() ⇒ Promise.<Array.<object>>

Kind: instance method of GovernanceContract
Returns: Promise.<Array.<object>> -

Array of objects, containing block producers names and amount of NUT votes for them


governanceContract.getProxyInfo() ⇒ Promise.<(object|undefined)>

Kind: instance method of GovernanceContract
Returns: Promise.<(object|undefined)> -

Voter info for eosdtbpproxy


governanceContract.getSettings() ⇒ Promise.<object>

Kind: instance method of GovernanceContract
Returns: Promise.<object> -

Governance contract settings


governanceContract.getParameters() ⇒ Promise.<object>

Kind: instance method of GovernanceContract
Returns: Promise.<object> -

Governance contract parameters


LiquidatorContract

A class to work with EOSDT Liquidator contract. Creates EOS liquidator by default

Kind: global class

new LiquidatorContract(connector)

Instantiates LiquidatorContract

Param Description
connector

EosdtConnector (see README section Usage)

liquidatorContract.marginCallAndBuyoutCollat(senderName, positionId, eosdtToTransfer, [trxMemo], [transactionParams]) ⇒ Promise

Performs margin call on a position and transfers specified amount of EOSDT to liquidator to buyout freed collateral

Kind: instance method of LiquidatorContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
positionId number
eosdtToTransfer string | number
[trxMemo] string
[transactionParams] object

see ITrxParamsArgument

liquidatorContract.transferEosdt(senderName, eosdtAmount, [trxMemo], [transactionParams]) ⇒ Promise

Sends EOSDT to liquidator contract. Used to cancel bad debt and buyout liquidator collateral with discount

Kind: instance method of LiquidatorContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
eosdtAmount string | number
[trxMemo] string
[transactionParams] object

see ITrxParamsArgument

liquidatorContract.transferNut(senderName, nutAmount, trxMemo, [transactionParams]) ⇒ Promise

Sends NUT tokens to liquidator contract. Send token symbol in memo to buyout collateral asset (liquidator parameter nut_collat_balance). With memo "EOSDT" it is used to buyout EOSDT (liquidator parameter surplus_debt)

Kind: instance method of LiquidatorContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
nutAmount string | number
trxMemo string
[transactionParams] object

see ITrxParamsArgument

liquidatorContract.getSurplusDebt() ⇒ Promise.<string>

Kind: instance method of LiquidatorContract
Returns: Promise.<string> -

Amount of system surplus debt


liquidatorContract.getBadDebt() ⇒ Promise.<string>

Kind: instance method of LiquidatorContract
Returns: Promise.<string> -

Amount of system bad debt


liquidatorContract.getCollatBalance() ⇒ Promise.<string>

Kind: instance method of LiquidatorContract
Returns: Promise.<string> -

Amount of collateral on liquidator contract balance


liquidatorContract.getNutCollatBalance() ⇒ Promise.<string>

Kind: instance method of LiquidatorContract
Returns: Promise.<string> -

Amount of NUT collateral on liquidator


liquidatorContract.getParameters() ⇒ Promise.<object>

Kind: instance method of LiquidatorContract
Returns: Promise.<object> -

Liquidator contract parameters object


liquidatorContract.getSettings() ⇒ Promise.<object>

Kind: instance method of LiquidatorContract
Returns: Promise.<object> -

Liquidator contract settings object


PositionsContract

Module to manage EOS-collateral positions (on contract eosdtcntract). It is inherited from BasicPositionsContract and includes all it's methods.

Kind: global class

new PositionsContract(connector)

Creates an instance of PositionsContract

Param Description
connector

EosdtConnector (see README section Usage)

positionsContract.newEmptyPositionWithRef(maker, referralId, [transactionParams])

Creates position that has a referral. Position would have 0 collateral and 0 debt

Kind: instance method of PositionsContract

Param Type Description
maker string

Account to create position for
referralId number

Id of a referral
[transactionParams] object

see ITrxParamsArgument

positionsContract.getPositionById(id) ⇒ Promise.<object>

Kind: instance method of PositionsContract
Returns: Promise.<object> -

A position object

Param Type
id number

positionsContract.getPositionByMaker(maker) ⇒ Promise.<(object|undefined)>

Kind: instance method of PositionsContract
Returns: Promise.<(object|undefined)> -

Position object - first position that belongs to maker account

Param Type Description
maker string

Account name

positionsContract.getAllUserPositions(maker) ⇒ Promise.<Array.<object>>

Kind: instance method of PositionsContract
Returns: Promise.<Array.<object>> -

Array of all positions objects, created by the maker

Param Type Description
maker string

Account name

positionsContract.getAllPositions() ⇒ Promise.<Array.<object>>

Kind: instance method of PositionsContract
Returns: Promise.<Array.<object>> -

An array of all positions created on this contract


positionsContract.getLatestUserPosition() ⇒ Promise.<(object|undefined)>

Kind: instance method of PositionsContract
Returns: Promise.<(object|undefined)> -

Position object - position of the account with maximum id value


positionsContract.getParameters() ⇒ Promise.<Array.<object>>

Kind: instance method of PositionsContract
Returns: Promise.<Array.<object>> -

Positions contract parameters


positionsContract.addReferral(senderName, nutAmount, [transactionParams]) ⇒ Promise

Creates new referral, staking given amount of NUT tokens. Rejects when amount is less then referral_min_stake in positions contract settings.

Kind: instance method of PositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
nutAmount string | number
[transactionParams] object

see ITrxParamsArgument

positionsContract.deleteReferral(senderName, referralId, [transactionParams]) ⇒ Promise

Removes referral and unstakes that referral's NUTs

Kind: instance method of PositionsContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
referralId number
[transactionParams] object

see ITrxParamsArgument

positionsContract.getReferralById(id) ⇒ Promise.<(object|undefined)>

Kind: instance method of PositionsContract
Returns: Promise.<(object|undefined)> -

An object with information about referral

Param Type
id number

positionsContract.getAllReferrals() ⇒ Promise.<Array.<object>>

Kind: instance method of PositionsContract
Returns: Promise.<Array.<object>> -

Table of existing referrals


positionsContract.getReferralByName(name) ⇒ Promise.<(object|undefined)>

Kind: instance method of PositionsContract
Returns: Promise.<(object|undefined)> -

An object with information about referral

Param Type Description
name string

Account name

positionsContract.getPositionReferral(positionId) ⇒ Promise.<(object|undefined)>

Kind: instance method of PositionsContract
Returns: Promise.<(object|undefined)> -

Returns referral information object if position with given id has a referral

Param Type
positionId number

positionsContract.getPositionReferralsTable() ⇒ Promise.<Array.<object>>

Kind: instance method of PositionsContract
Returns: Promise.<Array.<object>> -

An array of objects, containing positions ids and those positions referrals ids


positionsContract.getAllReferralPositionsIds() ⇒ Promise.<Array.<number>>

Kind: instance method of PositionsContract
Returns: Promise.<Array.<number>> -

An array of position objects with given referral id


SavingsRateContract

A wrapper class to invoke actions of Equilibrium Savings Rate contract

Kind: global class

new SavingsRateContract(connector)

Instantiates SavingsRateContract

Param Description
connector

EosdtConnector (see README section Usage)

savingsRateContract.stake(senderName, eosdtAmount, [trxMemo], [transactionParams]) ⇒ Promise

Transfers EOSDT from user to Savings Rate contract

Kind: instance method of SavingsRateContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
eosdtAmount string | number
[trxMemo] string
[transactionParams] object

see ITrxParamsArgument

savingsRateContract.unstake(toAccount, eosdtAmount, [transactionParams]) ⇒ Promise

Returns EOSDT from Savings Rate contract to account balance

Kind: instance method of SavingsRateContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
toAccount string
eosdtAmount string | number
[transactionParams] object

see ITrxParamsArgument

savingsRateContract.getAllPositions() ⇒ Promise.<Array.<object>>

Kind: instance method of SavingsRateContract
Returns: Promise.<Array.<object>> -

An array of all positions on Savings Rate contract


savingsRateContract.getPositionById() ⇒ Promise.<(object|undefined)>

Kind: instance method of SavingsRateContract
Returns: Promise.<(object|undefined)> -

A Savings Rate position object with given id


savingsRateContract.getUserPositions() ⇒ Promise.<Array.<object>>

Kind: instance method of SavingsRateContract
Returns: Promise.<Array.<object>> -

Array of all positions objects, created by the maker


savingsRateContract.getParameters() ⇒ Promise.<object>

Kind: instance method of SavingsRateContract
Returns: Promise.<object> -

Savings Rate contract parameters


savingsRateContract.getSettings() ⇒ Promise.<object>

Kind: instance method of SavingsRateContract
Returns: Promise.<object> -

Savings Rate contract settings


TokenSwapContract

A wrapper class to invoke actions of Equilibrium Token Swap contract

Kind: global class

new TokenSwapContract(connector)

Instantiates TokenSwapContract

Param Description
connector

EosdtConnector (see README section Usage)

tokenSwapContract.transferNut(senderName, nutAmount, ethereumAddress, [transactionParams]) ⇒ Promise

Sends NUT tokens to TokenSwap contract. Send Ethereum address (available format with and without prefix "0x") in memo to verify Ethereum signature

Kind: instance method of TokenSwapContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
senderName string
nutAmount string | number
ethereumAddress string
[transactionParams] object

see ITrxParamsArgument

tokenSwapContract.claim(toAccount, positionId, ethereumSignature, [transactionParams]) ⇒ Promise

Returns NUT from TokenSwap contract to account balance and verifies Ethereum signature (available format with and without prefix "0x")

Kind: instance method of TokenSwapContract
Returns: Promise -

Promise of transaction receipt

Param Type Description
toAccount string
positionId number
ethereumSignature string
[transactionParams] object

see ITrxParamsArgument

tokenSwapContract.getParameters() ⇒ Promise.<object>

Kind: instance method of TokenSwapContract
Returns: Promise.<object> -

TokenSwap contract parameters


tokenSwapContract.getSettings() ⇒ Promise.<object>

Kind: instance method of TokenSwapContract
Returns: Promise.<object> -

TokenSwap contract settings


tokenSwapContract.getAllPositions() ⇒ Promise.<Array.<object>>

Kind: instance method of TokenSwapContract
Returns: Promise.<Array.<object>> -

An array of all positions created on TokenSwap contract

© 2019-2021 Equilibrium

About

Equilibrium is a framework for accelerating development of DeFi applications, decentralized stablecoins, and synthetic assets. EOSDT (pegged to USD) is the first decentralized stablecoin on EOS and a proof of concept for the Equilibrium technology.

Resources

Readme

License

MIT license
Activity
Custom properties

Stars

10 stars

Watchers

2 watching

Forks

3 forks
Report repository

Releases

20 tags

Packages

No packages published

Languages