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SearchRequest.ts
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SearchRequest.ts
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/*-
*
* Hedera Mirror Node Explorer
*
* Copyright (C) 2021 - 2023 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
import {
AccountBalanceTransactions,
AccountInfo,
AccountsResponse,
Block,
ContractResponse,
ContractResultDetails,
TokenInfo,
TopicMessage,
TopicMessagesResponse,
Transaction,
TransactionByIdResponse,
TransactionResponse
} from "@/schemas/HederaSchemas";
import axios from "axios";
import {TransactionID} from "@/utils/TransactionID";
import {EntityID} from "@/utils/EntityID";
import {aliasToBase32, base32ToAlias, byteToHex, hexToByte, paddedBytes} from "@/utils/B64Utils";
import {nameServiceResolve} from "@/utils/NameService";
import {Timestamp} from "@/utils/Timestamp";
export class SearchRequest {
public readonly searchedId: string
public account: AccountInfo|null = null
public accountsWithKey = Array<AccountInfo>()
public transactions = Array<Transaction>()
public tokenInfo: TokenInfo|null = null
public topicMessages = Array<TopicMessage>()
public contract: ContractResponse|null = null
public block: Block|null = null
public ethereumAddress: string|null = null
private errorCount = 0
constructor(searchedId: string) {
this.searchedId = searchedId
}
async run(): Promise<void> {
/*
searchId syntax | Description | Tentative searches
=====================================+==================+======================================================
shard.realm.num | Entity ID | api/v1/accounts/{searchId}
| | api/v1/contracts/{searchId}
| | api/v1/tokens/{searchId}
| | api/v1/topics/{searchId}/messages
-------------------------------------+------------------+------------------------------------------------------
integer (decimal notation) | Incomplete | api/v1/accounts/0.0.{searchId}
| Entity ID | api/v1/contracts/0.0.{searchId}
| | api/v1/tokens/0.0.{searchId}
| | api/v1/topics/0.0.{searchId}/messages
-------------------------------------+------------------+------------------------------------------------------
shard.realm.num@seconds.nanoseconds | Transaction ID | api/v1/transactions/normalize({searchId}
-------------------------------------+------------------+------------------------------------------------------
shard.realm.num-seconds-nanoseconds | Transaction ID | api/v1/transactions/{searchId}
| (normalized) |
-------------------------------------+------------------+------------------------------------------------------
hexadecimal 48 bytes | Hedera Hash | api/v1/transactions/{searchId}
| | api/v1/blocks/{searchId}
-------------------------------------+------------------+------------------------------------------------------
hexadecimal 32 bytes | EVM Hash | api/v1/contracts/results/{searchId}
| | + api/v1/transactions/{result.timestamp}
-------------------------------------+------------------+------------------------------------------------------
hexadecimal 20 bytes | Ethereum Address | api/v1/accounts/{searchId}
| | api/v1/contracts/{searchId}
| | api/v1/token/ethereumToEntityID({searchId})
-------------------------------------+------------------+------------------------------------------------------
hexadecimal < 20 bytes | Incomplete | api/v1/accounts/padded({searchId})
| Ethereum Address | api/v1/contracts/padded({searchId})
| | api/v1/token/ethereumToEntityID(padded({searchId}))
-------------------------------------+------------------+------------------------------------------------------
hexadecimal 32/33 bytes | Public Key | api/v1/accounts/?account.publickey={searchId}
-------------------------------------+------------------+------------------------------------------------------
hexadecimal n bytes | Account Alias | api/v1/accounts/base32({searchId})
| in hex form |
-------------------------------------+------------------+------------------------------------------------------
base32 | Account Alias | api/v1/accounts/{searchId}
-------------------------------------+------------------+------------------------------------------------------
/\.[a-z|ℏ]+$/ | Kabuto domain | Kabuto API
-------------------------------------+------------------+------------------------------------------------------
*/
const entityID = EntityID.parse(this.searchedId, true)
const transactionID = TransactionID.parse(this.searchedId)
const hexBytes = hexToByte(this.searchedId)
const alias = base32ToAlias(this.searchedId) != null ? this.searchedId : null
const timestamp = Timestamp.parse(this.searchedId)
const kabutoName = /\.[a-z|ℏ]+$/.test(this.searchedId) ? this.searchedId : null
let promises: Promise<void>[]
if (entityID !== null) {
promises = [
this.searchAccount(entityID),
this.searchContract(entityID),
this.searchToken(entityID),
this.searchTopic(entityID)
]
} else if (transactionID !== null) {
promises = [
this.searchTransaction(transactionID)
]
} else if (hexBytes !== null) {
switch(hexBytes.length) {
case 48: // Hedera Hash for transaction or block
promises = [
this.searchTransaction(hexBytes),
this.searchBlock(hexBytes)
]
break;
case 32: // EVM Hash for transaction or block, or account public key
promises = [
this.searchTransaction(hexBytes),
this.searchBlock(hexBytes),
this.searchAccount(hexBytes)
]
break;
case 33: // Public key
promises = [
this.searchAccount(hexBytes)
]
break;
case 20: // EVM Address for account, contract or token
promises = [
this.searchAccount(hexBytes),
this.searchContract(hexBytes),
this.searchToken(hexBytes),
]
break
default:
promises = [
this.searchAccount(aliasToBase32(hexBytes))
]
if (hexBytes.length < 20) { // Incomplete EVM Address
let evmAddress = paddedBytes(hexBytes, 20)
promises = promises.concat([
this.searchAccount(evmAddress),
this.searchContract(evmAddress),
this.searchToken(evmAddress),
])
}
break
}
} else if (alias !== null) {
promises = [
this.searchAccount(alias)
]
} else if (timestamp !== null) {
promises = [
this.searchTransaction(timestamp)
]
} else if (kabutoName !== null) {
promises = [
this.searchKabuto(kabutoName)
]
} else {
promises = []
}
await Promise.allSettled(promises)
return Promise.resolve()
}
getErrorCount(): number {
return this.errorCount
}
//
// Private
//
private updateErrorCount(reason: unknown): void {
const notFound = axios.isAxiosError(reason) && reason.response?.status == 404
if (!notFound) {
this.errorCount += 1
}
}
private async searchAccount(accountParam: EntityID|Uint8Array|string): Promise<void> {
try {
if (accountParam instanceof Uint8Array && (accountParam.length == 32 || accountParam.length == 33)) {
// accountParam is a public key
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/accounts/listAccounts
const publicKey = byteToHex(accountParam)
const r = await axios.get<AccountsResponse>("api/v1/accounts/?account.publickey=" + publicKey + "&limit=2")
// limit=2 because we want to know if there are more than 1 account with this public key
this.accountsWithKey = r.data.accounts ?? []
} else {
let accountLoc: string
if (accountParam instanceof EntityID) {
accountLoc = accountParam.toString()
} else if (accountParam instanceof Uint8Array) {
accountLoc = byteToHex(accountParam)
} else {
accountLoc = accountParam
}
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/accounts/getAccountByIdOrAliasOrEvmAddress
const r = await axios.get<AccountBalanceTransactions>("api/v1/accounts/" + accountLoc)
this.account = r.data
}
} catch(reason: unknown) {
this.updateErrorCount(reason)
}
return Promise.resolve()
}
private async searchContract(contractParam: EntityID|Uint8Array): Promise<void> {
try {
const l = contractParam instanceof EntityID ? contractParam.toString() : byteToHex(contractParam)
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/contracts/getContractById
const r = await axios.get<ContractResponse>("api/v1/contracts/" + l)
this.contract = r.data
} catch(reason: unknown) {
this.updateErrorCount(reason)
}
return Promise.resolve()
}
private async searchToken(tokenParam: EntityID|Uint8Array): Promise<void> {
try {
const i = tokenParam instanceof EntityID ?
tokenParam : EntityID.fromAddress(byteToHex(tokenParam))
if (i !== null) {
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/tokens/getTokenById
const r = await axios.get<TokenInfo>("api/v1/tokens/" + i)
this.tokenInfo = r.data
}
} catch(reason: unknown) {
this.updateErrorCount(reason)
}
return Promise.resolve()
}
private async searchTopic(topicID: EntityID): Promise<void> {
try {
const params = { order: "desc", limit: "1" }
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/topics/listTopicMessagesById
const r = await axios.get<TopicMessagesResponse>("api/v1/topics/" + topicID.toString() + "/messages", {params})
this.topicMessages = r.data.messages ?? []
} catch(reason: unknown) {
this.updateErrorCount(reason)
}
return Promise.resolve()
}
private async searchTransaction(transactionParam: TransactionID|Timestamp|Uint8Array): Promise<void> {
try {
if (transactionParam instanceof TransactionID) {
const tid = transactionParam.toString(false)
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/transactions/getTransactionById
const r = await axios.get<TransactionByIdResponse>("api/v1/transactions/" + tid)
this.transactions = r.data.transactions ?? []
} else if (transactionParam instanceof Timestamp) {
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/transactions/listTransactions
const t = transactionParam.toString()
const r = await axios.get<TransactionResponse>("api/v1/transactions?timestamp=" + t)
this.transactions = r.data.transactions ?? []
} else if (transactionParam.length == 48) { // Hedera hash
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/transactions/getTransactionById
const r = await axios.get<TransactionByIdResponse>("api/v1/transactions/" + byteToHex(transactionParam))
this.transactions = r.data.transactions ?? []
} else if (transactionParam.length == 32) { // EVM hash
const r1 = await axios.get<ContractResultDetails>("api/v1/contracts/results/" + byteToHex(transactionParam))
const r2 = await axios.get<TransactionResponse>("api/v1/transactions?timestamp=" + r1.data.timestamp)
this.transactions = r2.data.transactions ?? []
}
} catch(reason: unknown) {
this.updateErrorCount(reason)
}
}
private async searchBlock(blockHash: Uint8Array): Promise<void> {
try {
// https://testnet.mirrornode.hedera.com/api/v1/docs/#/blocks/getByHashOrNumber
const r = await axios.get<Block>("api/v1/blocks/" + byteToHex(blockHash))
this.block = r.data
} catch(reason: unknown) {
this.updateErrorCount(reason)
}
return Promise.resolve()
}
private async searchKabuto(name: string): Promise<void> {
try {
this.account = await nameServiceResolve(name)
} catch(reason: unknown) {
this.updateErrorCount(reason)
}
return Promise.resolve()
}
}