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WIP update to node core with blockchain service
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| // Copyright 2020-2025 SubQuery Pte Ltd authors & contributors | ||
| // SPDX-License-Identifier: GPL-3.0 | ||
|
|
||
| import { Inject } from '@nestjs/common'; | ||
| import { | ||
| EthereumHandlerKind, | ||
| EthereumRuntimeDataSourceImpl, | ||
| isCustomDs, | ||
| isRuntimeDs, | ||
| SubqlEthereumDataSource, | ||
| } from '@subql/common-ethereum'; | ||
| import { | ||
| DatasourceParams, | ||
| Header, | ||
| IBlock, | ||
| IBlockchainService, | ||
| } from '@subql/node-core'; | ||
| import { | ||
| EthereumBlock, | ||
| LightEthereumBlock, | ||
| SubqlCustomDatasource, | ||
| SubqlCustomHandler, | ||
| SubqlMapping, | ||
| } from '@subql/types-ethereum'; | ||
| import { plainToClass } from 'class-transformer'; | ||
| import { validateSync } from 'class-validator'; | ||
| import { SubqueryProject } from './configure/SubqueryProject'; | ||
| import { EthereumApiService } from './ethereum'; | ||
| import SafeEthProvider from './ethereum/safe-api'; | ||
| import { calcInterval, ethereumBlockToHeader } from './ethereum/utils.ethereum'; | ||
| import { BlockContent, getBlockSize } from './indexer/types'; | ||
| import { IIndexerWorker } from './indexer/worker/worker'; | ||
|
|
||
| const BLOCK_TIME_VARIANCE = 5000; | ||
|
|
||
| const INTERVAL_PERCENT = 0.9; | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/no-var-requires | ||
| const { version: packageVersion } = require('../package.json'); | ||
|
|
||
| export class BlockchainService | ||
| implements | ||
| IBlockchainService< | ||
| SubqlEthereumDataSource, | ||
| SubqlCustomDatasource, | ||
| SubqueryProject, | ||
| SafeEthProvider, | ||
| LightEthereumBlock, | ||
| EthereumBlock, | ||
| IIndexerWorker | ||
| > | ||
| { | ||
| blockHandlerKind = EthereumHandlerKind.Block; | ||
| isCustomDs = isCustomDs; | ||
| isRuntimeDs = isRuntimeDs; | ||
| packageVersion = packageVersion; | ||
|
|
||
| constructor(@Inject('APIService') private apiService: EthereumApiService) {} | ||
|
|
||
| async fetchBlocks( | ||
| blockNums: number[], | ||
| ): Promise<IBlock<EthereumBlock>[] | IBlock<LightEthereumBlock>[]> { | ||
| return this.apiService.fetchBlocks(blockNums); | ||
| } | ||
|
|
||
| async fetchBlockWorker( | ||
| worker: IIndexerWorker, | ||
| blockNum: number, | ||
| context: { workers: IIndexerWorker[] }, | ||
| ): Promise<Header> { | ||
| return worker.fetchBlock(blockNum, context); | ||
| } | ||
|
|
||
| getBlockSize(block: IBlock<BlockContent>): number { | ||
| return getBlockSize(block.block); | ||
| } | ||
|
|
||
| async getFinalizedHeader(): Promise<Header> { | ||
| const block = await this.apiService.api.getFinalizedBlock(); | ||
| return ethereumBlockToHeader(block); | ||
| } | ||
|
|
||
| async getBestHeight(): Promise<number> { | ||
| return this.apiService.api.getBestBlockHeight(); | ||
| } | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/require-await | ||
| async getChainInterval(): Promise<number> { | ||
| const CHAIN_INTERVAL = calcInterval(this.apiService.api) * INTERVAL_PERCENT; | ||
|
|
||
| return Math.min(BLOCK_TIME_VARIANCE, CHAIN_INTERVAL); | ||
| } | ||
|
|
||
| async getHeaderForHash(hash: string): Promise<Header> { | ||
| const block = await this.apiService.api.getBlockByHeightOrHash(hash); | ||
| return ethereumBlockToHeader(block); | ||
| } | ||
|
|
||
| async getHeaderForHeight(height: number): Promise<Header> { | ||
| const block = await this.apiService.api.getBlockByHeightOrHash(height); | ||
| return ethereumBlockToHeader(block); | ||
| } | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/require-await | ||
| async getSafeApi(block: BlockContent): Promise<SafeEthProvider> { | ||
| return this.apiService.safeApi(block.number); | ||
| } | ||
|
|
||
| async getBlockTimestamp(height: number): Promise<Date | undefined> { | ||
| const block = await this.apiService.unsafeApi.api.getBlock(height); | ||
|
|
||
| return new Date(block.timestamp * 1000); // TODO test and make sure its in MS not S | ||
| } | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/require-await | ||
| async updateDynamicDs( | ||
| params: DatasourceParams, | ||
| dsObj: SubqlEthereumDataSource | SubqlCustomDatasource, | ||
| ): Promise<void> { | ||
| if (isCustomDs(dsObj)) { | ||
| dsObj.processor.options = { | ||
| ...dsObj.processor.options, | ||
| ...params.args, | ||
| }; | ||
| // TODO how to retain this functionality | ||
| // await this.dsProcessorService.validateCustomDs([dsObj]); | ||
| } else if (isRuntimeDs(dsObj)) { | ||
| dsObj.options = { | ||
| ...dsObj.options, | ||
| ...params.args, | ||
| }; | ||
|
|
||
| const parsedDs = plainToClass(EthereumRuntimeDataSourceImpl, dsObj); | ||
|
|
||
| const errors = validateSync(parsedDs, { | ||
| whitelist: true, | ||
| forbidNonWhitelisted: false, | ||
| }); | ||
| if (errors.length) { | ||
| throw new Error( | ||
| `Dynamic ds is invalid\n${errors | ||
| .map((e) => e.toString()) | ||
| .join('\n')}`, | ||
| ); | ||
| } | ||
| } | ||
| // return dsObj; | ||
| } | ||
|
|
||
| onProjectChange(project: SubqueryProject): Promise<void> | void { | ||
| this.apiService.updateBlockFetching(); | ||
| } | ||
| } |
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packages/node/src/indexer/blockDispatcher/block-dispatcher.service.ts
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packages/node/src/indexer/blockDispatcher/ethereum-block-dispatcher.ts
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