The NPM package to query DeFi.

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!WeaverFi Bannerbanner The NPM package to query DeFi. CodeQL Version Downloads NodeJS TypeScript


Contribution guidelines can be found here.


Install the package using the following: ``` npm i weaverfi ``` Importing the package can be done through the following: ```ts import weaver from 'weaverfi' ``` Other options to suit different app configurations: ```ts import WeaverFi from 'weaverfi' import { WeaverFi } from 'weaverfi' const weaver = require('weaverfi').default ``` The WeaverFi object (or weaver if you prefer to import it that way) contains some global methods such as WeaverFi.getAllProjects(), WeaverFi.getAllTokens() or WeaverFi.getAllTokenPrices(). Each supported chain has its own methods that can be used as WeaverFi.eth.getWalletBalance(wallet), for example.

Global Methods Available

  • getAllChains()
  • getAllChainInfo()
  • getAllProjects()
  • getAllTokens()
  • getAllTokenPrices()
  • getNativeTokenPrices()
  • checkPrices()
  • getAllBalances(wallet)

Chain Methods Available

  • query(address, abi, method, args)
  • queryBlocks(address, abi, event, querySize, args, start, end)
  • isAddress(address)
  • getTXCount(address)
  • getWalletBalance(wallet)
  • getProjectBalance(wallet, project)
  • getAllProjectBalances(wallet)
  • getNFTBalance(wallet)
  • getTokens()
  • getTokenLogo(symbol)
  • getGasEstimates()
  • getInfo()
  • getProjects()
  • getTokenPrices()
  • getTokenPrice(address, decimals)
  • updateTokenPrice(priceData)
  • checkPrices()
The ETH chain also contains the resolveENS(name), lookupENS(address) and fetchAvatarENS(name) methods.

Chains Supported

  • ETH (Ethereum)
  • BSC (Binance Smart Chain)
  • POLY (Polygon)
  • FTM (Fantom)
  • AVAX (Avalanche)
  • CRONOS (Cronos)
  • OP (Optimism)
  • ARB (Arbitrum)


Any extra types used within the SDK are located in the types.ts file. If needed, these can be imported from weaverfi/dist/types. Example: ```ts import type { ChainID, Address, Token } from 'weaverfi/dist/types'; ```