Client for receiving blockchain data through block explorers (etherscan, routescan, etc.).
At the moment, the number of available methods is limited to those indicated in the examples below:
To support this project, you can send crypto to:
- 0x3F2f0098310e654040f7794AB7E44Ac48E0eaF7B
- TLPh66vQ2QMb64rG3WEBV5qnAhefh2kcdw
import { BlockExplorerCommon, BlockExplorerTag, BlockExplorerTopicOperation, Chain, BlockExplorerSort } from 'routescan-client';
const ROUTESCAN_API_KEY = 'YourApiKey';
const WALLET = '0x285f5F8Cd290Cff6596337C4eEC14e1a62235854';
async function main() {
const blockExplorer = BlockExplorerCommon.build({
chain: Chain.AvalancheCChainFuji,
apiKey: ROUTESCAN_API_KEY
});
// Get AVAX balance for a single address:
const balance = await blockExplorer.getAccountBalance({
address: WALLET,
tag: BlockExplorerTag.Latest
});
console.log(`Balance of ${WALLET} is ${balance}`);
// Get AVAX balance for multiple addresses in a single call:
const WALLET_SECOND = '0xCD5B8Ea4a848b1c576125f20F9aDe5F58FDf4D4f';
const balances = await blockExplorer.getAccountsBalances({
address: [WALLET, WALLET_SECOND].join(','),
tag: BlockExplorerTag.Latest
});
console.log(balances);
// Get a list of 'Normal' Transactions By Address
const normalTxs = await blockExplorer.getNormalTxListByAddress({
address: WALLET
});
console.log(normalTxs);
// Get a list of 'internal' transactions by address:
const internalTxs = await blockExplorer.getInternalTxListByAddress({
address: WALLET
});
console.log(internalTxs);
// Get 'internal transactions' by transaction hash
const internalTxsByHash = await blockExplorer.getInternalTxListByTxHash({
txhash: '0x40eb908387324f2b575b4879cd9d7188f69c8fc9d87c901b9e2daaea4b442170'
});
console.log(internalTxsByHash);
// Get a list of 'ERC20 - token transfer events' by address:
const tokenEvents = await blockExplorer.getErc20TokenTransferEventsList({
address: '0x77134cbC06cB00b66F4c7e623D5fdBF6777635EC',
contractaddress: '0x9702230A8Ea53601f5cD2dc00fDBc13d4dF4A8c7',
page: 1,
offset: 100,
startblock: 34372864,
endblock: 34472864,
sort: BlockExplorerSort.Asc
});
console.log(tokenEvents);
// Get ERC20-Token Account Balance for TokenContractAddress:
const tokenBalance = await blockExplorer.getAccountTokenBalance({
contractAddress: '0x57d90b64a1a57749b0f932f1a3395792e12e7055',
address: WALLET,
tag: BlockExplorerTag.Latest
});
console.log(`Balance of ${WALLET} is ${tokenBalance}`);
}
main();import { BlockExplorerClosest, BlockExplorerCommon, Chain } from 'routescan-client';
const ROUTESCAN_API_KEY = 'YourApiKey';
const WALLET = '0x285f5F8Cd290Cff6596337C4eEC14e1a62235854';
async function main() {
const blockExplorer = BlockExplorerCommon.build({
chain: Chain.AvalancheCChainFuji,
apiKey: ROUTESCAN_API_KEY
});
// Get estimated block countdown time by blockNo:
const blockCountdown = await blockExplorer.getBlockCountdownTime({
blockno: 167015880000
});
console.log('Block countdown', blockCountdown);
// Get block number by timestamp:
const timestamp = 1619638524;
const blockNumberByTimestamp = await blockExplorer.getBlockNumberByTimestamp({
timestamp,
closest: BlockExplorerClosest.After
});
console.log(`Block number after ${timestamp} is ${blockNumberByTimestamp}`);
}
main();import { BlockExplorerCommon, BlockExplorerTopicOperation, Chain } from 'routescan-client';
const ROUTESCAN_API_KEY = 'YourApiKey';
const WALLET = '0x285f5F8Cd290Cff6596337C4eEC14e1a62235854';
async function main() {
const blockExplorer = BlockExplorerCommon.build({
chain: Chain.AvalancheCChainFuji,
apiKey: ROUTESCAN_API_KEY
});
// Get number of most recent block:
const blockNumber = await blockExplorer.eth_blockNumber();
console.log(blockNumber);
// Get information about a block by block number:
const block = await blockExplorer.eth_getBlockByNumber({
boolean: true,
tag: '0x10d4f'
});
console.log(block);
// Get information about a uncle by block number:
const uncleBlock = await blockExplorer.eth_getUncleByBlockNumberAndIndex({
tag: '0xC63276',
index: '0x0'
});
console.log(uncleBlock);
// Get the number of transactions in a block:
const blockTxCount = await blockExplorer.eth_getBlockTransactionCountByNumber({
tag: '0x10FB78'
});
console.log(blockTxCount);
// Get the information about a transaction requested by transaction hash:
const tx = await blockExplorer.eth_getTransactionByHash({
txhash: '0xbc78ab8a9e9a0bca7d0321a27b2c03addeae08ba81ea98b03cd3dd237eabed44'
});
console.log(tx);
// Get information about a transaction by block number and transaction index position:
const txSecond = await blockExplorer.eth_getTransactionByBlockNumberAndIndex({
tag: '0xC6331D',
index: '0x11A'
});
console.log(txSecond);
// Get the number of transactions performed by an address:
const txCount = await blockExplorer.eth_getTransactionCount({
address: '0x4bd5900Cb274ef15b153066D736bf3e83A9ba44e'
});
console.log(txCount);
// Submits a pre-signed transaction for broadcast to the Ethereum network:
const txHash = await blockExplorer.eth_sendRawTransaction({
hex: '0xf904808000831cfde080'
});
console.log(txHash);
// Get the receipt of a transaction by transaction hash:
const txReceipt = await blockExplorer.eth_getTransactionReceipt({
txhash: '0xadb8aec59e80db99811ac4a0235efa3e45da32928bcff557998552250fa672eb'
});
console.log(txReceipt);
// Executes a new message call immediately without creating a transaction on the block chain:
const callResult = await blockExplorer.eth_call({
to: '0xAEEF46DB4855E25702F8237E8f403FddcaF931C0',
data: '0x70a08231000000000000000000000000e16359506c028e51f16be38986ec5746251e9724',
tag: BlockExplorerTag.Latest
});
console.log(callResult);
// Returns code at a given address:
const codeInHex = await blockExplorer.eth_getCode({
address: '0xf75e354c5edc8efed9b59ee9f67a80845ade7d0c',
tag: BlockExplorerTag.Latest
});
console.log(codeIndex);
// Returns the value from a storage position at a given address:
const storageValue = await blockExplorer.eth_getStorageAt({
address: '0x6e03d9cce9d60f3e9f2597e13cd4c54c55330cfd',
position: '0x0',
tag: BlockExplorerTag.Latest
});
console.log(storageValue);
}
main();import { BlockExplorerCommon, BlockExplorerTopicOperation, Chain } from 'routescan-client';
const ROUTESCAN_API_KEY = 'YourApiKey';
const WALLET = '0x285f5F8Cd290Cff6596337C4eEC14e1a62235854';
async function main() {
const blockExplorer = BlockExplorerCommon.build({
chain: Chain.AvalancheCChainFuji,
apiKey: ROUTESCAN_API_KEY
});
// Get event logs by address:
const logs = await blockExplorer.getEventLogsByAddress({
address: '0x9e66eba102b77fc75cd87b5e60141b85573bc8e8',
fromBlock: 37000000,
toBlock: 37200000,
page: 1,
offset: 1000
});
console.log(logs);
// Get event logs by topics:
const topicsLogs = await blockExplorer.getEventLogsByTopics({
fromBlock: 37000000,
toBlock: 37200000,
topic0: '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
topic0_1_opr: BlockExplorerTopicOperation.And,
topic1: '0x0000000000000000000000000000000000000000000000000000000000000000',
page: 1,
offset: 1000
});
console.log(topicsLogs.length);
// Get Event Logs by Address filtered by Topics:
const addressLogs = await blockExplorer.getEventLogsByAddressFiltered({
address: '0x9e66eba102b77fc75cd87b5e60141b85573bc8e8',
fromBlock: 37000000,
toBlock: 37200000,
topic0: '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
topic0_1_opr: BlockExplorerTopicOperation.And,
topic1: '0x0000000000000000000000000000000000000000000000000000000000000000',
page: 1,
offset: 1000
});
console.log(addressLogs.length);
// Returns code at a given address:
const codeInHex = await blockExplorer.eth_getCode({
address: '0xf75e354c5edc8efed9b59ee9f67a80845ade7d0c',
tag: BlockExplorerTag.Latest
});
console.log(codeInHex);
}
main();Client also support other etherscan-compatible block explorers, but in this case you must provide custom url parameter.
You must use the API key of the corresponding block explorer!!!
Just register an account on corresponding site and generate an API key.