57 lines
1.5 KiB
TypeScript
57 lines
1.5 KiB
TypeScript
|
import { GasPriceOracle } from 'gas-price-oracle'
|
||
|
|
import { GasPrice } from 'gas-price-oracle/lib/types'
|
||
|
|
|
||
|
|
import { ChainId } from '@/types'
|
||
|
|
import { getProvider } from '@/services'
|
||
|
|
import { gweiToWei, bump } from '@/utilities'
|
||
|
|
import { numbers, RPC_LIST } from '@/constants'
|
||
|
|
|
||
|
|
const SECONDS = 3
|
||
|
|
const TEN_SECOND = SECONDS * numbers?.SECOND
|
||
|
|
|
||
|
|
const percentBump = {
|
||
|
|
INSTANT: 150,
|
||
|
|
FAST: 130,
|
||
|
|
STANDARD: 85,
|
||
|
|
LOW: 50,
|
||
|
|
}
|
||
|
|
|
||
|
|
const getGasPrice = async (chainId: ChainId): Promise<GasPrice> => {
|
||
|
|
const instance = new GasPriceOracle({
|
||
|
|
chainId,
|
||
|
|
timeout: TEN_SECOND,
|
||
|
|
defaultRpc: RPC_LIST[chainId],
|
||
|
|
})
|
||
|
|
const result = await instance.gasPrices()
|
||
|
|
|
||
|
|
if (chainId === ChainId.MAINNET) {
|
||
|
|
return {
|
||
|
|
instant: bump(gweiToWei(result.instant), percentBump.INSTANT),
|
||
|
|
fast: bump(gweiToWei(result.instant), percentBump.FAST),
|
||
|
|
standard: bump(gweiToWei(result.standard), percentBump.STANDARD),
|
||
|
|
low: bump(gweiToWei(result.low), percentBump.LOW),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return result
|
||
|
|
}
|
||
|
|
|
||
|
|
const getGasPriceFromRpc = async (chainId: ChainId) => {
|
||
|
|
try {
|
||
|
|
const { provider } = getProvider(chainId)
|
||
|
|
|
||
|
|
const current = await provider.getGasPrice()
|
||
|
|
|
||
|
|
return {
|
||
|
|
instant: bump(current, percentBump.INSTANT),
|
||
|
|
fast: bump(current, percentBump.FAST),
|
||
|
|
standard: bump(current, percentBump.STANDARD),
|
||
|
|
low: bump(current, percentBump.LOW),
|
||
|
|
}
|
||
|
|
} catch (err) {
|
||
|
|
throw new Error('getGasPriceFromRpc has error')
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
export { getGasPrice, getGasPriceFromRpc }
|