StakingClient

@human-protocol/sdk / Modules / staking / StakingClient

Class: StakingClient

staking.StakingClient

Introduction

This client enables to perform actions on staking contracts and obtain staking information from both the contracts and subgraph.

Internally, the SDK will use one network or another according to the network ID of the runner. To use this client, it is recommended to initialize it using the static build method.

static async build(runner: ContractRunner);

A Signer or a Provider should be passed depending on the use case of this module:

  • Signer: when the user wants to use this model in order to send transactions caling the contract functions.

  • Provider: when the user wants to use this model in order to get information from the contracts or subgraph.

Installation

npm

npm install @human-protocol/sdk

yarn

yarn install @human-protocol/sdk

Code example

Signer

Using private key(backend)

import { StakingClient } from '@human-protocol/sdk';
import { Wallet, providers } from 'ethers';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

Using Wagmi(frontend)

import { useSigner, useChainId } from 'wagmi';
import { StakingClient } from '@human-protocol/sdk';

const { data: signer } = useSigner();
const stakingClient = await StakingClient.build(signer);

Provider

import { StakingClient } from '@human-protocol/sdk';
import { providers } from 'ethers';

const rpcUrl = 'YOUR_RPC_URL';

const provider = new providers.JsonRpcProvider(rpcUrl);
const stakingClient = await StakingClient.build(provider);

Hierarchy

Table of contents

Constructors

Properties

Methods

Constructors

constructor

new StakingClient(runner, networkData): StakingClient

StakingClient constructor

Parameters

Returns

StakingClient

Overrides

BaseEthersClient.constructor

Defined in

<<<<<<< HEAD staking.ts:111

staking.ts:111

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Properties

escrowFactoryContract

escrowFactoryContract: EscrowFactory

Defined in

<<<<<<< HEAD staking.ts:102

staking.ts:102

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networkData

networkData: NetworkData

Inherited from

BaseEthersClient.networkData

Defined in

<<<<<<< HEAD base.ts:12

base.ts:12

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rewardPoolContract

rewardPoolContract: RewardPool

Defined in

<<<<<<< HEAD staking.ts:103

staking.ts:103

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runner

Protected runner: ContractRunner

Inherited from

BaseEthersClient.runner

Defined in

<<<<<<< HEAD base.ts:11

base.ts:11

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stakingContract

stakingContract: Staking

Defined in

<<<<<<< HEAD staking.ts:101

staking.ts:101

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tokenContract

tokenContract: HMToken

Defined in

<<<<<<< HEAD staking.ts:100

staking.ts:100

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Methods

allocate

allocate(escrowAddress, amount, txOptions?): Promise<void>

This function allocates a portion of the staked tokens to a specific escrow.

Must have tokens staked

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { ethers, Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

const amount = ethers.parseUnits(5, 'ether'); //convert from ETH to WEI
await stakingClient.allocate('0x62dD51230A30401C455c8398d06F85e4EaB6309f', amount);

Defined in

<<<<<<< HEAD staking.ts:458

staking.ts:458

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approveStake

approveStake(amount, txOptions?): Promise<void>

This function approves the staking contract to transfer a specified amount of tokens when the user stakes. It increases the allowance for the staking contract.

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { ethers, Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

const amount = ethers.parseUnits(5, 'ether'); //convert from ETH to WEI
await stakingClient.approveStake(amount);

Defined in

<<<<<<< HEAD staking.ts:203

staking.ts:203

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checkValidEscrow

checkValidEscrow(escrowAddress): Promise<void>

Check if escrow exists

Parameters

Returns

Promise<void>

Defined in

<<<<<<< HEAD staking.ts:167

staking.ts:167

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closeAllocation

closeAllocation(escrowAddress, txOptions?): Promise<void>

This function drops the allocation from a specific escrow.

The escrow must have allocation The escrow must be cancelled or completed.

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

await stakingClient.closeAllocation('0x62dD51230A30401C455c8398d06F85e4EaB6309f');

Defined in

<<<<<<< HEAD staking.ts:511

staking.ts:511

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distributeReward

distributeReward(escrowAddress, txOptions?): Promise<void>

This function drops the allocation from a specific escrow.

The escrow must have rewards added

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

await stakingClient.distributeReward('0x62dD51230A30401C455c8398d06F85e4EaB6309f');

Defined in

<<<<<<< HEAD staking.ts:554

staking.ts:554

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getAllocation

getAllocation(escrowAddress): Promise<IAllocation>

This function returns information about the allocation of the specified escrow.

Parameters

Returns

Promise<IAllocation>

Returns allocation info if exists.

Code example

import { StakingClient } from '@human-protocol/sdk';
import { providers } from 'ethers';

const rpcUrl = 'YOUR_RPC_URL';

const provider = new providers.JsonRpcProvider(rpcUrl);
const stakingClient = await StakingClient.build(provider);

const allocationInfo = await stakingClient.getAllocation('0x62dD51230A30401C455c8398d06F85e4EaB6309f');

Defined in

<<<<<<< HEAD staking.ts:591

staking.ts:591

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slash

slash(slasher, staker, escrowAddress, amount, txOptions?): Promise<void>

This function reduces the allocated amount by an staker in an escrow and transfers those tokens to the reward pool. This allows the slasher to claim them later.

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { ethers, Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

const amount = ethers.parseUnits(5, 'ether'); //convert from ETH to WEI
await stakingClient.slash('0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266', '0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266', '0x62dD51230A30401C455c8398d06F85e4EaB6309f', amount);

Defined in

<<<<<<< HEAD staking.ts:387

staking.ts:387

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stake

stake(amount, txOptions?): Promise<void>

This function stakes a specified amount of tokens on a specific network.

approveStake must be called before

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { ethers, Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

const amount = ethers.parseUnits(5, 'ether'); //convert from ETH to WEI
await stakingClient.approveStake(amount); // if it was already approved before, this is not necessary
await stakingClient.approveStake(amount);

Defined in

<<<<<<< HEAD staking.ts:258

staking.ts:258

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unstake

unstake(amount, txOptions?): Promise<void>

This function unstakes tokens from staking contract. The unstaked tokens stay locked for a period of time.

Must have tokens available to unstake

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { ethers, Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

const amount = ethers.parseUnits(5, 'ether'); //convert from ETH to WEI
await stakingClient.unstake(amount);

Defined in

<<<<<<< HEAD staking.ts:303

staking.ts:303

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withdraw

withdraw(txOptions?): Promise<void>

This function withdraws unstaked and non locked tokens form staking contract to the user wallet.

Must have tokens available to withdraw

Parameters

Returns

Promise<void>

Returns void if successful. Throws error if any.

Code example

import { Wallet, providers } from 'ethers';
import { StakingClient } from '@human-protocol/sdk';

const rpcUrl = 'YOUR_RPC_URL';
const privateKey = 'YOUR_PRIVATE_KEY'

const provider = new providers.JsonRpcProvider(rpcUrl);
const signer = new Wallet(privateKey, provider);
const stakingClient = await StakingClient.build(signer);

await stakingClient.withdraw();

Defined in

<<<<<<< HEAD staking.ts:349

staking.ts:349

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build

build(runner): Promise<StakingClient>

Creates an instance of StakingClient from a Runner.

Parameters

Returns

Promise<StakingClient>

  • An instance of StakingClient

Throws

  • Thrown if the provider does not exist for the provided Signer

Throws

  • Thrown if the network's chainId is not supported

Defined in

<<<<<<< HEAD staking.ts:145

staking.ts:145

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