@laminar/api v0.3.1
Laminar Chain JS SDK
This library provides SDK to access Laminar Ethereum and Laminar Chain.
Getting Started
- Install dependencies
yarn add @polkadot/api @lamianr/api@beta
Laminar Chain
Create API instance for Laminar Chain
import { ApiPromise } from '@polkadot/api'; import { WsProvider } from '@polkadot/rpc-provider'; import { options } from '@lamianr/api'; async function main() { const provider = new WsProvider('ws://localhost:9944'); const api = new ApiPromise(options({ provider })); await api.isReady; // use api } main();
Use api to interact with node
// query and display account data const data = await api.query.system.account('5F98oWfz2r5rcRVnP9VCndg33DAAsky3iuoBSpaPUbgN9AJn'); console.log(data.toHuman());
Laminar Ethereum
Create API instance for Laminar Ethereum
import { EthereumApi } from '@lamianr/api'; import Web3 from 'web3'; const api = new EthereumApi({ provider: new Web3.providers.HttpProvider(<network_endpoint>) })
Create API instance from metamask
import { EthereumApi } from '@lamianr/api'; const api = new EthereumApi({ provider: window.web3.currentProvider. })
Call the contract
import { EthereumApi } from '@lamianr/api'; const api = new EthereumApi({ provider: window.web3.currentProvider. }) const run = async () => { // call marginFlowProtocol await api.marginFlowProtocol.methods.balances(<poolId>, <account>).call() // balance // call syntheticFlowProtocol api.baseContracts.syntheticFlowProtocol.methods.redeem(<fromToken>, <poolId>, <amount>).send(<sendOption>) // redeem // call MarginPoolInterfaceContract const contract = api.getMarginPoolInterfaceContract(<poolId>) // call SyntheticPoolInterfaceContract const contract = api.getSyntheticPoolInterfaceContract(<poolId>) await contract.methods.getAskSpread(<tokenId>).call() // getAskSpread // get margin allowance await api.margin.allowance(<account>, <contractAddress>) // margin contract grant await api.margin.grant(<account>, <contractAddress>) } run()
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