Files
explorer-monorepo/frontend/src/services/api/blockscout.ts

110 lines
3.5 KiB
TypeScript

import type { Block } from './blocks'
import type { Transaction } from './transactions'
import type { TransactionSummary } from './addresses'
export function getExplorerApiBase() {
return (process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8080').replace(/\/$/, '')
}
export async function fetchBlockscoutJson<T>(path: string): Promise<T> {
const response = await fetch(`${getExplorerApiBase()}${path}`)
if (!response.ok) {
throw new Error(`HTTP ${response.status}`)
}
return response.json() as Promise<T>
}
type HashLike = string | { hash?: string | null } | null | undefined
export function extractHash(value: HashLike): string {
if (!value) return ''
return typeof value === 'string' ? value : value.hash || ''
}
function toNumber(value: unknown): number {
if (typeof value === 'number') return value
if (typeof value === 'string' && value.trim() !== '') return Number(value)
return 0
}
interface BlockscoutBlock {
hash: string
height: number | string
timestamp: string
miner: HashLike
transaction_count: number | string
gas_used: number | string
gas_limit: number | string
}
interface BlockscoutTransaction {
hash: string
block_number: number | string
from: HashLike
to: HashLike
value: string
status?: string | null
result?: string | null
gas_price?: number | string | null
gas_limit: number | string
gas_used?: number | string | null
max_fee_per_gas?: number | string | null
max_priority_fee_per_gas?: number | string | null
raw_input?: string | null
timestamp: string
created_contract?: HashLike
}
function normalizeStatus(raw: BlockscoutTransaction): number {
const value = (raw.status || raw.result || '').toString().toLowerCase()
if (value === 'success' || value === 'ok' || value === '1') return 1
if (value === 'error' || value === 'failed' || value === '0') return 0
return 0
}
export function normalizeBlock(raw: BlockscoutBlock, chainId: number): Block {
return {
chain_id: chainId,
number: toNumber(raw.height),
hash: raw.hash,
timestamp: raw.timestamp,
miner: extractHash(raw.miner),
transaction_count: toNumber(raw.transaction_count),
gas_used: toNumber(raw.gas_used),
gas_limit: toNumber(raw.gas_limit),
}
}
export function normalizeTransaction(raw: BlockscoutTransaction, chainId: number): Transaction {
return {
chain_id: chainId,
hash: raw.hash,
block_number: toNumber(raw.block_number),
block_hash: '',
transaction_index: 0,
from_address: extractHash(raw.from),
to_address: extractHash(raw.to) || undefined,
value: raw.value || '0',
gas_price: raw.gas_price != null ? toNumber(raw.gas_price) : undefined,
max_fee_per_gas: raw.max_fee_per_gas != null ? toNumber(raw.max_fee_per_gas) : undefined,
max_priority_fee_per_gas: raw.max_priority_fee_per_gas != null ? toNumber(raw.max_priority_fee_per_gas) : undefined,
gas_limit: toNumber(raw.gas_limit),
gas_used: raw.gas_used != null ? toNumber(raw.gas_used) : undefined,
status: normalizeStatus(raw),
input_data: raw.raw_input || undefined,
contract_address: extractHash(raw.created_contract) || undefined,
created_at: raw.timestamp,
}
}
export function normalizeTransactionSummary(raw: BlockscoutTransaction): TransactionSummary {
return {
hash: raw.hash,
block_number: toNumber(raw.block_number),
from_address: extractHash(raw.from),
to_address: extractHash(raw.to) || undefined,
value: raw.value || '0',
status: normalizeStatus(raw),
}
}