Feature Support & Comparison

Details about web3.js & ethers.js

References:

• Web3.js: https://web3js.readthedocs.io/en/1.0/web3-eth.html
• Ethers.js: https://docs.ethers.io/ethers.js/html/api-providers.html#network

Feature	Web3.js	Ethers.js	Support in Web3data.js	Notes
getAccount	✓	✓	✓	✓
getHashrate	✓	×	×
getGasPrice	✓	✓	✓	Web3.js returns "20000000000", ethers returns: "20000000000", use endpoint: https://docs.amberdata.io/reference/transactions#get-gas-predictions using fastest or average
getAccounts	✓	✓	×
getBlockNumber	✓	✓	✓	Web3.js returns: 7280000, ethers returns: 7280000, use endpoint: https://github.com/amberdata/data-api#get-blocksid using the block.current
getBalance	✓	✓	✓
getStorageAt	✓	✓	×
getCode	✓	✓	✓
getBlock	✓	✓	✓
getBlockTransactionCount	✓	×	✓
getUncle	✓	×	✓
getTransaction	✓	✓	✓
getPendingTransactions	✓	×	✓
getTransactionFromBlock	✓	×	✓
getTransactionReceipt	✓	✓	?
getTransactionCount	✓	✓	✓
sendTransaction	✓	✓	×
sendSignedTransaction	✓	×	×
sign	✓	✓	×
signTransaction	✓	✓	×
call	✓	✓	×
estimateGas	✓	✓	×
getPastLogs	✓	✓	✓	Ethersjs - getLogs()
getWork	✓	×	×
submitWork	✓	×	×
getChainId	✓	×	✓
Contract.getPastEvents	✓	×	✓
utils	✓	✓	?
getEtherPrice	×	✓	✓

Websockets

Feature	Web3.js	Ethers.js	Support in Web3data.js	Notes
Contract.on	✓	✓	✓
Contract.once	✓	✓	✓
Contract.events.MyEvent	✓	✓^	?	Ethers.js - Only available via filters
Contract.events.allEvents	✓	✓^	?	Ethers.js - Only available via filters