orbiter-chaincore v1.5.10-3
Orbiter-Finance ChainCoreBin
Hacker News showcase using typescript
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QuickStart
Chain structure
- chains.json Mainnet
- testnet.json Testnet
{
// Whether to enable debug mode, default false
"debug": false,
"api": {
// API interface of block browser
"url": "https://api.etherscan.io/api",
// Interface request key, if any
"key": "You Key"
},
// ChainID
"chainId": "1",
// NetworkId In most public chains, the network ID and the public chain ID are the same
"networkId": "1",
// Orbiter custom id,unique, not repeated
"internalId": "1",
// Chain Name
"name": "Ethereum Mainnet",
// The default main currency of the public chain
"nativeCurrency": {
// Token Name
"name": "Ether",
// Token Symbol
"symbol": "ETH",
// Token decimals
"decimals": 18,
// Token Contract Address
"address": "0x0000000000000000000000000000000000000000"
},
// RPC server address
"rpc": [
"wss://eth-mainnet.alchemyapi.io/v2/You Key"
],
// The monitoring method to enable
"watch": ["rpc", "api"],
// contract address to monitor
"contracts": ["0xd9d74a29307cc6fc8bf424ee4217f1a587fbc8dc"],
// List of contract tokens to monitor
"tokens": [
// The structure is consistent with nativeCurrency
{
"name": "USD Coin",
"symbol": "USDC",
"decimals": 6,
"address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
}
]
}
Easy access to code
import { logger, ScanChainMain } from "../..";
import mainChains from "../chains.json";
import testChains from "../testnet.json";
const scanChain = new ScanChainMain(<any>[...mainChains, ...testChains]);
scanChain.startScanChain("internalId", ["Wallet Address", "xxxx"])
Monitored cursor position
- The monitored cursor position is stored and the cache directory
Struct
{
"cache": [
[
"keyv:ApiCursor:{Wallet Address}",
{
"value": "{\"value\":{\"blockNumber\":{Last Watch Tx Number},\"hash\":\"{Last Watch Tx Hash}\",\"timestamp\":{Last Watch Tx Time}}},\"expires\":null}"
}
],
[
"keyv:rpcScan:288",
{
"value": "{\"value\":{RPC Last Scan Block Number}},\"expires\":null}"
}
]
],
"lastExpire": 1654672839824
}
Query historical transactions
- If you need to query historical transactions, you need to rebuild the cursor index, and you need to modify the index file in the cache directory corresponding to the public chain
- Api Major Modified Fields
- blockNumber // Start scanning from this block
- hash // Start scanning from this Hash
- timestamp // Start scanning from this Time
- RPC Major Modified Fields
- rpcScan-> value // Start scanning from this block
Requirement
- Node.js 8.x+
- Typescript 2.8+
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