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Merge pull request #1543 from hirosystems/chore/master-into-dev

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/src/api/controllers/db-controller.ts

import {
  abiFunctionToString,
  ChainID,
  ClarityAbi,
  ClarityAbiFunction,
  getTypeString,
} from '@stacks/transactions';
import {
  decodeClarityValueList,
  decodeClarityValueToRepr,
  decodeClarityValueToTypeName,
  decodePostConditions,
} from 'stacks-encoding-native-js';

import {
  AbstractMempoolTransaction,
  AbstractTransaction,
  BaseTransaction,
  Block,
  CoinbaseTransactionMetadata,
  ContractCallTransactionMetadata,
  MempoolTransaction,
  MempoolTransactionStatus,
  Microblock,
  PoisonMicroblockTransactionMetadata,
  RosettaBlock,
  RosettaParentBlockIdentifier,
  RosettaTransaction,
  SmartContractTransactionMetadata,
  TokenTransferTransactionMetadata,
  Transaction,
  TransactionAnchorModeType,
  TransactionEvent,
  TransactionEventFungibleAsset,
  TransactionEventNonFungibleAsset,
  TransactionEventSmartContractLog,
  TransactionEventStxAsset,
  TransactionEventStxLock,
  TransactionFound,
  TransactionList,
  TransactionMetadata,
  TransactionNotFound,
  TransactionStatus,
  TransactionType,
} from '@stacks/stacks-blockchain-api-types';

import {
  BlockIdentifier,
  DbAssetEventTypeId,
  DbBlock,
  DbEvent,
  DbEventTypeId,
  DbMempoolTx,
  DbMicroblock,
  DbTx,
  DbTxStatus,
  DbTxTypeId,
  DbSearchResultWithMetadata,
  BaseTx,
  DbMinerReward,
  StxUnlockEvent,
  DbPox2Event,
} from '../../datastore/common';
import { unwrapOptional, FoundOrNot, logger, unixEpochToIso, EMPTY_HASH_256 } from '../../helpers';
import { serializePostCondition, serializePostConditionMode } from '../serializers/post-conditions';
import { getOperations, parseTransactionMemo } from '../../rosetta-helpers';
import { PgStore } from '../../datastore/pg-store';
import { Pox2EventName } from '../../pox-helpers';

export function parseTxTypeStrings(values: string[]): TransactionType[] {
  return values.map(v => {
    switch (v) {
      case 'contract_call':
      case 'smart_contract':
      case 'token_transfer':
      case 'coinbase':
      case 'poison_microblock':
        return v;
      default:
        throw new Error(`Unexpected tx type: ${JSON.stringify(v)}`);
    }
  });
}

export function getTxTypeString(typeId: DbTxTypeId): Transaction['tx_type'] {
  switch (typeId) {
    case DbTxTypeId.TokenTransfer:
      return 'token_transfer';
    case DbTxTypeId.SmartContract:
    case DbTxTypeId.VersionedSmartContract:
      return 'smart_contract';
    case DbTxTypeId.ContractCall:
      return 'contract_call';
    case DbTxTypeId.PoisonMicroblock:
      return 'poison_microblock';
    case DbTxTypeId.Coinbase:
    case DbTxTypeId.CoinbaseToAltRecipient:
      return 'coinbase';
    default:
      throw new Error(`Unexpected DbTxTypeId: ${typeId}`);
  }
}

function getTxAnchorModeString(anchorMode: number): TransactionAnchorModeType {
  switch (anchorMode) {
    case 0x01:
      return 'on_chain_only';
    case 0x02:
      return 'off_chain_only';
    case 0x03:
      return 'any';
    default:
      throw new Error(`Unexpected anchor mode value ${anchorMode}`);
  }
}

export function getTxTypeId(typeString: Transaction['tx_type']): DbTxTypeId[] {
  switch (typeString) {
    case 'token_transfer':
      return [DbTxTypeId.TokenTransfer];
    case 'smart_contract':
      return [DbTxTypeId.SmartContract, DbTxTypeId.VersionedSmartContract];
    case 'contract_call':
      return [DbTxTypeId.ContractCall];
    case 'poison_microblock':
      return [DbTxTypeId.PoisonMicroblock];
    case 'coinbase':
      return [DbTxTypeId.Coinbase, DbTxTypeId.CoinbaseToAltRecipient];
    default:
      throw new Error(`Unexpected tx type string: ${typeString}`);
  }
}

function getTxStatusString(txStatus: DbTxStatus): TransactionStatus | MempoolTransactionStatus {
  switch (txStatus) {
    case DbTxStatus.Pending:
      return 'pending';
    case DbTxStatus.Success:
      return 'success';
    case DbTxStatus.AbortByResponse:
      return 'abort_by_response';
    case DbTxStatus.AbortByPostCondition:
      return 'abort_by_post_condition';
    case DbTxStatus.DroppedReplaceByFee:
      return 'dropped_replace_by_fee';
    case DbTxStatus.DroppedReplaceAcrossFork:
      return 'dropped_replace_across_fork';
    case DbTxStatus.DroppedTooExpensive:
      return 'dropped_too_expensive';
    case DbTxStatus.DroppedStaleGarbageCollect:
    case DbTxStatus.DroppedApiGarbageCollect:
      return 'dropped_stale_garbage_collect';
    default:
      throw new Error(`Unexpected DbTxStatus: ${txStatus}`);
  }
}

export function getTxStatus(txStatus: DbTxStatus | string): string {
  if (txStatus == '') {
    return '';
  } else {
    return getTxStatusString(txStatus as DbTxStatus);
  }
}

type EventTypeString =
  | 'smart_contract_log'
  | 'stx_asset'
  | 'fungible_token_asset'
  | 'non_fungible_token_asset'
  | 'stx_lock';

export function getEventTypeString(eventTypeId: DbEventTypeId): EventTypeString {
  switch (eventTypeId) {
    case DbEventTypeId.SmartContractLog:
      return 'smart_contract_log';
    case DbEventTypeId.StxAsset:
      return 'stx_asset';
    case DbEventTypeId.FungibleTokenAsset:
      return 'fungible_token_asset';
    case DbEventTypeId.NonFungibleTokenAsset:
      return 'non_fungible_token_asset';
    case DbEventTypeId.StxLock:
      return 'stx_lock';
    default:
      throw new Error(`Unexpected DbEventTypeId: ${eventTypeId}`);
  }
}

export function getAssetEventTypeString(
  assetEventTypeId: DbAssetEventTypeId
): 'transfer' | 'mint' | 'burn' {
  switch (assetEventTypeId) {
    case DbAssetEventTypeId.Transfer:
      return 'transfer';
    case DbAssetEventTypeId.Mint:
      return 'mint';
    case DbAssetEventTypeId.Burn:
      return 'burn';
    default:
      throw new Error(`Unexpected DbAssetEventTypeId: ${assetEventTypeId}`);
  }
}

export function parsePox2Event(poxEvent: DbPox2Event) {
  const baseInfo = {
    block_height: poxEvent.block_height,
    tx_id: poxEvent.tx_id,
    tx_index: poxEvent.tx_index,
    event_index: poxEvent.event_index,
    stacker: poxEvent.stacker,
    locked: poxEvent.locked.toString(),
    balance: poxEvent.balance.toString(),
    burnchain_unlock_height: poxEvent.burnchain_unlock_height.toString(),
    pox_addr: poxEvent.pox_addr,
    pox_addr_raw: poxEvent.pox_addr_raw,
    name: poxEvent.name,
  };
  switch (poxEvent.name) {
    case Pox2EventName.HandleUnlock: {
      return {
        ...baseInfo,
        data: {
          first_cycle_locked: poxEvent.data.first_cycle_locked.toString(),
          first_unlocked_cycle: poxEvent.data.first_unlocked_cycle.toString(),
        },
      };
    }
    case Pox2EventName.StackStx: {
      return {
        ...baseInfo,
        data: {
          lock_amount: poxEvent.data.lock_amount.toString(),
          lock_period: poxEvent.data.lock_period.toString(),
          start_burn_height: poxEvent.data.start_burn_height.toString(),
          unlock_burn_height: poxEvent.data.unlock_burn_height.toString(),
        },
      };
    }
    case Pox2EventName.StackIncrease: {
      return {
        ...baseInfo,
        data: {
          increase_by: poxEvent.data.increase_by.toString(),
          total_locked: poxEvent.data.total_locked.toString(),
        },
      };
    }
    case Pox2EventName.StackExtend: {
      return {
        ...baseInfo,
        data: {
          extend_count: poxEvent.data.extend_count.toString(),
          unlock_burn_height: poxEvent.data.unlock_burn_height.toString(),
        },
      };
    }
    case Pox2EventName.DelegateStx: {
      return {
        ...baseInfo,
        data: {
          amount_ustx: poxEvent.data.amount_ustx.toString(),
          delegate_to: poxEvent.data.delegate_to,
          unlock_burn_height: poxEvent.data.unlock_burn_height?.toString(),
        },
      };
    }
    case Pox2EventName.DelegateStackStx: {
      return {
        ...baseInfo,
        data: {
          lock_amount: poxEvent.data.lock_amount.toString(),
          unlock_burn_height: poxEvent.data.unlock_burn_height.toString(),
          start_burn_height: poxEvent.data.start_burn_height.toString(),
          lock_period: poxEvent.data.lock_period.toString(),
          delegator: poxEvent.data.delegator,
        },
      };
    }
    case Pox2EventName.DelegateStackIncrease: {
      return {
        ...baseInfo,
        data: {
          increase_by: poxEvent.data.increase_by.toString(),
          total_locked: poxEvent.data.total_locked.toString(),
          delegator: poxEvent.data.delegator,
        },
      };
    }
    case Pox2EventName.DelegateStackExtend: {
      return {
        ...baseInfo,
        data: {
          unlock_burn_height: poxEvent.data.unlock_burn_height.toString(),
          extend_count: poxEvent.data.extend_count.toString(),
          delegator: poxEvent.data.delegator,
        },
      };
    }
    case Pox2EventName.StackAggregationCommit: {
      return {
        ...baseInfo,
        data: {
          reward_cycle: poxEvent.data.reward_cycle.toString(),
          amount_ustx: poxEvent.data.amount_ustx.toString(),
        },
      };
    }
    case Pox2EventName.StackAggregationCommitIndexed: {
      return {
        ...baseInfo,
        data: {
          reward_cycle: poxEvent.data.reward_cycle.toString(),
          amount_ustx: poxEvent.data.amount_ustx.toString(),
        },
      };
    }
    case Pox2EventName.StackAggregationIncrease: {
      return {
        ...baseInfo,
        data: {
          reward_cycle: poxEvent.data.reward_cycle.toString(),
          amount_ustx: poxEvent.data.amount_ustx.toString(),
        },
      };
    }
    default:
      throw new Error(`Unexpected Pox2 event name ${(poxEvent as DbPox2Event).name}`);
  }
}

export function parseDbEvent(dbEvent: DbEvent): TransactionEvent {
  switch (dbEvent.event_type) {
    case DbEventTypeId.SmartContractLog: {
      const parsedClarityValue = decodeClarityValueToRepr(dbEvent.value);
      const event: TransactionEventSmartContractLog = {
        event_index: dbEvent.event_index,
        event_type: 'smart_contract_log',
        tx_id: dbEvent.tx_id,
        contract_log: {
          contract_id: dbEvent.contract_identifier,
          topic: dbEvent.topic,
          value: {
            hex: dbEvent.value,
            repr: parsedClarityValue,
          },
        },
      };
      return event;
    }
    case DbEventTypeId.StxLock: {
      const event: TransactionEventStxLock = {
        event_index: dbEvent.event_index,
        event_type: 'stx_lock',
        tx_id: dbEvent.tx_id,
        stx_lock_event: {
          locked_amount: dbEvent.locked_amount.toString(10),
          unlock_height: Number(dbEvent.unlock_height),
          locked_address: dbEvent.locked_address,
        },
      };
      return event;
    }
    case DbEventTypeId.StxAsset: {
      const event: TransactionEventStxAsset = {
        event_index: dbEvent.event_index,
        event_type: 'stx_asset',
        tx_id: dbEvent.tx_id,
        asset: {
          asset_event_type: getAssetEventTypeString(dbEvent.asset_event_type_id),
          sender: dbEvent.sender || '',
          recipient: dbEvent.recipient || '',
          amount: dbEvent.amount.toString(10),
        },
      };
      if (dbEvent.asset_event_type_id === DbAssetEventTypeId.Transfer && dbEvent.memo) {
        event.asset.memo = dbEvent.memo;
      }
      return event;
    }
    case DbEventTypeId.FungibleTokenAsset: {
      const event: TransactionEventFungibleAsset = {
        event_index: dbEvent.event_index,
        event_type: 'fungible_token_asset',
        tx_id: dbEvent.tx_id,
        asset: {
          asset_event_type: getAssetEventTypeString(dbEvent.asset_event_type_id),
          asset_id: dbEvent.asset_identifier,
          sender: dbEvent.sender || '',
          recipient: dbEvent.recipient || '',
          amount: dbEvent.amount.toString(10),
        },
      };
      return event;
    }
    case DbEventTypeId.NonFungibleTokenAsset: {
      const parsedClarityValue = decodeClarityValueToRepr(dbEvent.value);
      const event: TransactionEventNonFungibleAsset = {
        event_index: dbEvent.event_index,
        event_type: 'non_fungible_token_asset',
        tx_id: dbEvent.tx_id,
        asset: {
          asset_event_type: getAssetEventTypeString(dbEvent.asset_event_type_id),
          asset_id: dbEvent.asset_identifier,
          sender: dbEvent.sender || '',
          recipient: dbEvent.recipient || '',
          value: {
            hex: dbEvent.value,
            repr: parsedClarityValue,
          },
        },
      };
      return event;
    }
    default:
      throw new Error(`Unexpected event_type in: ${JSON.stringify(dbEvent)}`);
  }
}

/**
 * Fetch block from datastore by blockHash or blockHeight (index)
 * If both blockHeight and blockHash are provided, blockHeight is used.
 * If neither argument is present, the most recent block is returned.
 * @param db -- datastore
 * @param fetchTransactions -- return block transactions
 * @param chainId -- chain ID
 * @param blockHash -- hexadecimal hash string
 * @param blockHeight -- number
 */
export async function getRosettaBlockFromDataStore(
  db: PgStore,
  fetchTransactions: boolean,
  chainId: ChainID,
  blockHash?: string,
  blockHeight?: number
): Promise<FoundOrNot<RosettaBlock>> {
  return await db.sqlTransaction(async sql => {
    let query;
    if (blockHash) {
      query = db.getBlock({ hash: blockHash });
    } else if (blockHeight && blockHeight > 0) {
      query = db.getBlock({ height: blockHeight });
    } else {
      query = db.getCurrentBlock();
    }
    const blockQuery = await query;

    if (!blockQuery.found) {
      return { found: false };
    }
    const dbBlock = blockQuery.result;
    let blockTxs = {} as FoundOrNot<RosettaTransaction[]>;
    blockTxs.found = false;
    if (fetchTransactions) {
      blockTxs = await getRosettaBlockTransactionsFromDataStore({
        blockHash: dbBlock.block_hash,
        indexBlockHash: dbBlock.index_block_hash,
        db,
        chainId,
      });
    }

    const parentBlockHash = dbBlock.parent_block_hash;
    let parent_block_identifier: RosettaParentBlockIdentifier;

    if (dbBlock.block_height <= 1) {
      // case for genesis block
      parent_block_identifier = {
        index: dbBlock.block_height,
        hash: dbBlock.block_hash,
      };
    } else {
      const parentBlockQuery = await db.getBlock({ hash: parentBlockHash });
      if (parentBlockQuery.found) {
        const parentBlock = parentBlockQuery.result;
        parent_block_identifier = {
          index: parentBlock.block_height,
          hash: parentBlock.block_hash,
        };
      } else {
        return { found: false };
      }
    }

    const apiBlock: RosettaBlock = {
      block_identifier: { index: dbBlock.block_height, hash: dbBlock.block_hash },
      parent_block_identifier,
      timestamp: dbBlock.burn_block_time * 1000,
      transactions: blockTxs.found ? blockTxs.result : [],
    };
    return { found: true, result: apiBlock };
  });
}

export async function getUnanchoredTxsFromDataStore(db: PgStore): Promise<Transaction[]> {
  const dbTxs = await db.getUnanchoredTxs();
  const parsedTxs = dbTxs.txs.map(dbTx => parseDbTx(dbTx));
  return parsedTxs;
}

function parseDbMicroblock(mb: DbMicroblock, txs: string[]): Microblock {
  const microblock: Microblock = {
    canonical: mb.canonical,
    microblock_canonical: mb.microblock_canonical,
    microblock_hash: mb.microblock_hash,
    microblock_sequence: mb.microblock_sequence,
    microblock_parent_hash: mb.microblock_parent_hash,
    block_height: mb.block_height,
    parent_block_height: mb.parent_block_height,
    parent_block_hash: mb.parent_block_hash,
    block_hash: mb.block_hash,
    txs: txs,
    parent_burn_block_height: mb.parent_burn_block_height,
    parent_burn_block_hash: mb.parent_burn_block_hash,
    parent_burn_block_time: mb.parent_burn_block_time,
    parent_burn_block_time_iso:
      mb.parent_burn_block_time > 0 ? unixEpochToIso(mb.parent_burn_block_time) : '',
  };
  return microblock;
}

export async function getMicroblockFromDataStore({
  db,
  microblockHash,
}: {
  db: PgStore;
  microblockHash: string;
}): Promise<FoundOrNot<Microblock>> {
  const query = await db.getMicroblock({ microblockHash: microblockHash });
  if (!query.found) {
    return {
      found: false,
    };
  }
  const microblock = parseDbMicroblock(query.result.microblock, query.result.txs);
  return {
    found: true,
    result: microblock,
  };
}

export async function getMicroblocksFromDataStore(args: {
  db: PgStore;
  limit: number;
  offset: number;
}): Promise<{ total: number; result: Microblock[] }> {
  const query = await args.db.getMicroblocks({
    limit: args.limit,
    offset: args.offset,
  });
  const result = query.result.map(r => parseDbMicroblock(r.microblock, r.txs));
  return {
    total: query.total,
    result: result,
  };
}

export async function getBlocksWithMetadata(args: { limit: number; offset: number; db: PgStore }) {
  const blocks = await args.db.getBlocksWithMetadata({
    limit: args.limit,
    offset: args.offset,
  });
  const results = blocks.results.map(block =>
    parseDbBlock(
      block.block,
      block.txs,
      block.microblocks_accepted,
      block.microblocks_streamed,
      block.microblock_tx_count
    )
  );
  return { results, total: blocks.total };
}

export async function getBlockFromDataStore({
  blockIdentifer,
  db,
}: {
  blockIdentifer: BlockIdentifier;
  db: PgStore;
}): Promise<FoundOrNot<Block>> {
  const blockQuery = await db.getBlockWithMetadata(blockIdentifer, {
    txs: true,
    microblocks: true,
  });
  if (!blockQuery.found) {
    return { found: false };
  }
  const result = blockQuery.result;
  const apiBlock = parseDbBlock(
    result.block,
    result.txs.map(tx => tx.tx_id),
    result.microblocks.accepted.map(mb => mb.microblock_hash),
    result.microblocks.streamed.map(mb => mb.microblock_hash),
    result.microblock_tx_count
  );
  return { found: true, result: apiBlock };
}

function parseDbBlock(
  dbBlock: DbBlock,
  txIds: string[],
  microblocksAccepted: string[],
  microblocksStreamed: string[],
  microblock_tx_count: Record<string, number>
): Block {
  const apiBlock: Block = {
    canonical: dbBlock.canonical,
    height: dbBlock.block_height,
    hash: dbBlock.block_hash,
    index_block_hash: dbBlock.index_block_hash,
    parent_block_hash: dbBlock.parent_block_hash,
    burn_block_time: dbBlock.burn_block_time,
    burn_block_time_iso: unixEpochToIso(dbBlock.burn_block_time),
    burn_block_hash: dbBlock.burn_block_hash,
    burn_block_height: dbBlock.burn_block_height,
    miner_txid: dbBlock.miner_txid,
    parent_microblock_hash:
      dbBlock.parent_microblock_hash === EMPTY_HASH_256 ? '' : dbBlock.parent_microblock_hash,
    parent_microblock_sequence:
      dbBlock.parent_microblock_hash === EMPTY_HASH_256 ? -1 : dbBlock.parent_microblock_sequence,
    txs: [...txIds],
    microblocks_accepted: [...microblocksAccepted],
    microblocks_streamed: [...microblocksStreamed],
    execution_cost_read_count: dbBlock.execution_cost_read_count,
    execution_cost_read_length: dbBlock.execution_cost_read_length,
    execution_cost_runtime: dbBlock.execution_cost_runtime,
    execution_cost_write_count: dbBlock.execution_cost_write_count,
    execution_cost_write_length: dbBlock.execution_cost_write_length,
    microblock_tx_count,
  };
  return apiBlock;
}

async function parseRosettaTxDetail(opts: {
  block_height: number;
  indexBlockHash: string;
  tx: DbTx;
  db: PgStore;
  minerRewards: DbMinerReward[];
  unlockingEvents: StxUnlockEvent[];
  chainId: ChainID;
}): Promise<RosettaTransaction> {
  return await opts.db.sqlTransaction(async sql => {
    let events: DbEvent[] = [];
    if (opts.block_height > 1) {
      // only return events of blocks at height greater than 1
      const eventsQuery = await opts.db.getTxEvents({
        txId: opts.tx.tx_id,
        indexBlockHash: opts.indexBlockHash,
        limit: 5000,
        offset: 0,
      });
      events = eventsQuery.results;
    }
    const operations = await getOperations(
      opts.tx,
      opts.db,
      opts.chainId,
      opts.minerRewards,
      events,
      opts.unlockingEvents
    );
    const txMemo = parseTransactionMemo(opts.tx.token_transfer_memo);
    const rosettaTx: RosettaTransaction = {
      transaction_identifier: { hash: opts.tx.tx_id },
      operations: operations,
    };
    if (txMemo) {
      rosettaTx.metadata = {
        memo: txMemo,
      };
    }
    return rosettaTx;
  });
}

async function getRosettaBlockTxFromDataStore(opts: {
  tx: DbTx;
  block: DbBlock;
  db: PgStore;
  chainId: ChainID;
}): Promise<FoundOrNot<RosettaTransaction>> {
  return await opts.db.sqlTransaction(async sql => {
    let minerRewards: DbMinerReward[] = [],
      unlockingEvents: StxUnlockEvent[] = [];

    if (
      opts.tx.type_id === DbTxTypeId.Coinbase ||
      opts.tx.type_id === DbTxTypeId.CoinbaseToAltRecipient
    ) {
      minerRewards = await opts.db.getMinersRewardsAtHeight({
        blockHeight: opts.block.block_height,
      });
      unlockingEvents = await opts.db.getUnlockedAddressesAtBlock(opts.block);
    }

    const rosettaTx = await parseRosettaTxDetail({
      block_height: opts.block.block_height,
      indexBlockHash: opts.tx.index_block_hash,
      tx: opts.tx,
      db: opts.db,
      minerRewards,
      unlockingEvents,
      chainId: opts.chainId,
    });
    return { found: true, result: rosettaTx };
  });
}

async function getRosettaBlockTransactionsFromDataStore(opts: {
  blockHash: string;
  indexBlockHash: string;
  db: PgStore;
  chainId: ChainID;
}): Promise<FoundOrNot<RosettaTransaction[]>> {
  return await opts.db.sqlTransaction(async sql => {
    const blockQuery = await opts.db.getBlock({ hash: opts.blockHash });
    if (!blockQuery.found) {
      return { found: false };
    }

    const txsQuery = await opts.db.getBlockTxsRows(opts.blockHash);
    const minerRewards = await opts.db.getMinersRewardsAtHeight({
      blockHeight: blockQuery.result.block_height,
    });

    if (!txsQuery.found) {
      return { found: false };
    }

    const unlockingEvents = await opts.db.getUnlockedAddressesAtBlock(blockQuery.result);

    const transactions: RosettaTransaction[] = [];

    for (const tx of txsQuery.result) {
      const rosettaTx = await parseRosettaTxDetail({
        block_height: blockQuery.result.block_height,
        indexBlockHash: opts.indexBlockHash,
        tx,
        db: opts.db,
        minerRewards,
        unlockingEvents,
        chainId: opts.chainId,
      });
      transactions.push(rosettaTx);
    }

    return { found: true, result: transactions };
  });
}

export async function getRosettaTransactionFromDataStore(
  txId: string,
  db: PgStore,
  chainId: ChainID
): Promise<FoundOrNot<RosettaTransaction>> {
  return await db.sqlTransaction(async sql => {
    const txQuery = await db.getTx({ txId, includeUnanchored: false });
    if (!txQuery.found) {
      return { found: false };
    }

    const blockQuery = await db.getBlock({ hash: txQuery.result.block_hash });
    if (!blockQuery.found) {
      throw new Error(
        `Could not find block for tx: ${txId}, block_hash: ${txQuery.result.block_hash}, index_block_hash: ${txQuery.result.index_block_hash}`
      );
    }

    const rosettaTx = await getRosettaBlockTxFromDataStore({
      tx: txQuery.result,
      block: blockQuery.result,
      db,
      chainId,
    });

    if (!rosettaTx.found) {
      throw new Error(
        `Rosetta block missing operations for tx: ${txId}, block_hash: ${txQuery.result.block_hash}, index_block_hash: ${txQuery.result.index_block_hash}`
      );
    }

    return rosettaTx;
  });
}

interface GetTxArgs {
  txId: string;
  includeUnanchored: boolean;
}

interface GetTxFromDbTxArgs extends GetTxArgs {
  dbTx: DbTx;
}

interface GetTxsWithEventsArgs extends GetTxsArgs {
  eventLimit: number;
  eventOffset: number;
}

interface GetTxsArgs {
  txIds: string[];
  includeUnanchored: boolean;
}

interface GetTxWithEventsArgs extends GetTxArgs {
  eventLimit: number;
  eventOffset: number;
}

function parseDbBaseTx(dbTx: DbTx | DbMempoolTx): BaseTransaction {
  const decodedPostConditions = decodePostConditions(dbTx.post_conditions);
  const normalizedPostConditions = decodedPostConditions.post_conditions.map(pc =>
    serializePostCondition(pc)
  );
  const tx: BaseTransaction = {
    tx_id: dbTx.tx_id,
    nonce: dbTx.nonce,
    sponsor_nonce: dbTx.sponsor_nonce,
    fee_rate: dbTx.fee_rate.toString(10),
    sender_address: dbTx.sender_address,
    sponsored: dbTx.sponsored,
    sponsor_address: dbTx.sponsor_address,
    post_condition_mode: serializePostConditionMode(decodedPostConditions.post_condition_mode),
    post_conditions: normalizedPostConditions,
    anchor_mode: getTxAnchorModeString(dbTx.anchor_mode),
  };
  return tx;
}

function parseDbTxTypeMetadata(dbTx: DbTx | DbMempoolTx): TransactionMetadata {
  switch (dbTx.type_id) {
    case DbTxTypeId.TokenTransfer: {
      const metadata: TokenTransferTransactionMetadata = {
        tx_type: 'token_transfer',
        token_transfer: {
          recipient_address: unwrapOptional(
            dbTx.token_transfer_recipient_address,
            () => 'Unexpected nullish token_transfer_recipient_address'
          ),
          amount: unwrapOptional(
            dbTx.token_transfer_amount,
            () => 'Unexpected nullish token_transfer_amount'
          ).toString(10),
          memo: unwrapOptional(
            dbTx.token_transfer_memo,
            () => 'Unexpected nullish token_transfer_memo'
          ),
        },
      };
      return metadata;
    }
    case DbTxTypeId.SmartContract: {
      const metadata: SmartContractTransactionMetadata = {
        tx_type: 'smart_contract',
        smart_contract: {
          clarity_version: null as any,
          contract_id: unwrapOptional(
            dbTx.smart_contract_contract_id,
            () => 'Unexpected nullish smart_contract_contract_id'
          ),
          source_code: unwrapOptional(
            dbTx.smart_contract_source_code,
            () => 'Unexpected nullish smart_contract_source_code'
          ),
        },
      };
      return metadata;
    }
    case DbTxTypeId.VersionedSmartContract: {
      const metadata: SmartContractTransactionMetadata = {
        tx_type: 'smart_contract',
        smart_contract: {
          clarity_version: unwrapOptional(
            dbTx.smart_contract_clarity_version,
            () => 'Unexpected nullish smart_contract_clarity_version'
          ),
          contract_id: unwrapOptional(
            dbTx.smart_contract_contract_id,
            () => 'Unexpected nullish smart_contract_contract_id'
          ),
          source_code: unwrapOptional(
            dbTx.smart_contract_source_code,
            () => 'Unexpected nullish smart_contract_source_code'
          ),
        },
      };
      return metadata;
    }
    case DbTxTypeId.ContractCall: {
      return parseContractCallMetadata(dbTx);
    }
    case DbTxTypeId.PoisonMicroblock: {
      const metadata: PoisonMicroblockTransactionMetadata = {
        tx_type: 'poison_microblock',
        poison_microblock: {
          microblock_header_1: unwrapOptional(dbTx.poison_microblock_header_1),
          microblock_header_2: unwrapOptional(dbTx.poison_microblock_header_2),
        },
      };
      return metadata;
    }
    case DbTxTypeId.Coinbase: {
      const metadata: CoinbaseTransactionMetadata = {
        tx_type: 'coinbase',
        coinbase_payload: {
          data: unwrapOptional(dbTx.coinbase_payload, () => 'Unexpected nullish coinbase_payload'),
          alt_recipient: null as any,
        },
      };
      return metadata;
    }
    case DbTxTypeId.CoinbaseToAltRecipient: {
      const metadata: CoinbaseTransactionMetadata = {
        tx_type: 'coinbase',
        coinbase_payload: {
          data: unwrapOptional(dbTx.coinbase_payload, () => 'Unexpected nullish coinbase_payload'),
          alt_recipient: unwrapOptional(
            dbTx.coinbase_alt_recipient,
            () => 'Unexpected nullish coinbase_alt_recipient'
          ),
        },
      };
      return metadata;
    }
    default: {
      throw new Error(`Unexpected DbTxTypeId: ${dbTx.type_id}`);
    }
  }
}

export function parseContractCallMetadata(tx: BaseTx): ContractCallTransactionMetadata {
  const contractId = unwrapOptional(
    tx.contract_call_contract_id,
    () => 'Unexpected nullish contract_call_contract_id'
  );
  const functionName = unwrapOptional(
    tx.contract_call_function_name,
    () => 'Unexpected nullish contract_call_function_name'
  );
  let functionAbi: ClarityAbiFunction | undefined;
  const abi = tx.abi;
  if (abi) {
    const contractAbi: ClarityAbi = JSON.parse(abi);
    functionAbi = contractAbi.functions.find(fn => fn.name === functionName);
    if (!functionAbi) {
      throw new Error(`Could not find function name "${functionName}" in ABI for ${contractId}`);
    }
  }

  const functionArgs = tx.contract_call_function_args
    ? decodeClarityValueList(tx.contract_call_function_args).map((c, fnArgIndex) => {
        const functionArgAbi = functionAbi
          ? functionAbi.args[fnArgIndex++]
          : { name: '', type: undefined };
        return {
          hex: c.hex,
          repr: c.repr,
          name: functionArgAbi.name,
          type: functionArgAbi.type
            ? getTypeString(functionArgAbi.type)
            : decodeClarityValueToTypeName(c.hex),
        };
      })
    : undefined;

  const metadata: ContractCallTransactionMetadata = {
    tx_type: 'contract_call',
    contract_call: {
      contract_id: contractId,
      function_name: functionName,
      function_signature: functionAbi ? abiFunctionToString(functionAbi) : '',
      function_args: functionArgs,
    },
  };
  return metadata;
}

function parseDbAbstractTx(dbTx: DbTx, baseTx: BaseTransaction): AbstractTransaction {
  const abstractTx: AbstractTransaction = {
    ...baseTx,
    is_unanchored: dbTx.block_hash === '0x',
    block_hash: dbTx.block_hash,
    parent_block_hash: dbTx.parent_block_hash,
    block_height: dbTx.block_height,
    burn_block_time: dbTx.burn_block_time,
    burn_block_time_iso: dbTx.burn_block_time > 0 ? unixEpochToIso(dbTx.burn_block_time) : '',
    parent_burn_block_time: dbTx.parent_burn_block_time,
    parent_burn_block_time_iso:
      dbTx.parent_burn_block_time > 0 ? unixEpochToIso(dbTx.parent_burn_block_time) : '',
    canonical: dbTx.canonical,
    tx_index: dbTx.tx_index,
    tx_status: getTxStatusString(dbTx.status) as TransactionStatus,
    tx_result: {
      hex: dbTx.raw_result,
      repr: decodeClarityValueToRepr(dbTx.raw_result),
    },
    microblock_hash: dbTx.microblock_hash,
    microblock_sequence: dbTx.microblock_sequence,
    microblock_canonical: dbTx.microblock_canonical,
    event_count: dbTx.event_count,
    events: [],
    execution_cost_read_count: dbTx.execution_cost_read_count,
    execution_cost_read_length: dbTx.execution_cost_read_length,
    execution_cost_runtime: dbTx.execution_cost_runtime,
    execution_cost_write_count: dbTx.execution_cost_write_count,
    execution_cost_write_length: dbTx.execution_cost_write_length,
  };
  return abstractTx;
}

function parseDbAbstractMempoolTx(
  dbMempoolTx: DbMempoolTx,
  baseTx: BaseTransaction
): AbstractMempoolTransaction {
  const abstractMempoolTx: AbstractMempoolTransaction = {
    ...baseTx,
    tx_status: getTxStatusString(dbMempoolTx.status) as MempoolTransactionStatus,
    receipt_time: dbMempoolTx.receipt_time,
    receipt_time_iso: unixEpochToIso(dbMempoolTx.receipt_time),
  };
  return abstractMempoolTx;
}

export function parseDbTx(dbTx: DbTx): Transaction {
  const baseTx = parseDbBaseTx(dbTx);
  const abstractTx = parseDbAbstractTx(dbTx, baseTx);
  const txMetadata = parseDbTxTypeMetadata(dbTx);
  const result: Transaction = {
    ...abstractTx,
    ...txMetadata,
  };
  return result;
}

export function parseDbMempoolTx(dbMempoolTx: DbMempoolTx): MempoolTransaction {
  const baseTx = parseDbBaseTx(dbMempoolTx);
  const abstractTx = parseDbAbstractMempoolTx(dbMempoolTx, baseTx);
  const txMetadata = parseDbTxTypeMetadata(dbMempoolTx);
  const result: MempoolTransaction = {
    ...abstractTx,
    ...txMetadata,
  };
  return result;
}

export async function getMempoolTxsFromDataStore(
  db: PgStore,
  args: GetTxsArgs
): Promise<MempoolTransaction[]> {
  const mempoolTxsQuery = await db.getMempoolTxs({
    txIds: args.txIds,
    includePruned: true,
    includeUnanchored: args.includeUnanchored,
  });
  if (mempoolTxsQuery.length === 0) {
    return [];
  }

  const parsedMempoolTxs = mempoolTxsQuery.map(tx => parseDbMempoolTx(tx));

  return parsedMempoolTxs;
}

async function getTxsFromDataStore(
  db: PgStore,
  args: GetTxsArgs | GetTxsWithEventsArgs
): Promise<Transaction[]> {
  return await db.sqlTransaction(async sql => {
    // fetching all requested transactions from db
    const txQuery = await db.getTxListDetails({
      txIds: args.txIds,
      includeUnanchored: args.includeUnanchored,
    });

    // returning empty array if no transaction was found
    if (txQuery.length === 0) {
      return [];
    }

    // parsing txQuery
    const parsedTxs = txQuery.map(tx => parseDbTx(tx));

    // incase transaction events are requested
    if ('eventLimit' in args) {
      const txIdsAndIndexHash = txQuery.map(tx => {
        return {
          txId: tx.tx_id,
          indexBlockHash: tx.index_block_hash,
        };
      });
      const txListEvents = await db.getTxListEvents({
        txs: txIdsAndIndexHash,
        limit: args.eventLimit,
        offset: args.eventOffset,
      });
      // this will insert all events in a single parsedTransaction. Only specific ones are to be added.
      const txsWithEvents: Transaction[] = parsedTxs.map(ptx => {
        return {
          ...ptx,
          events: txListEvents.results
            .filter(event => event.tx_id === ptx.tx_id)
            .map(event => parseDbEvent(event)),
        };
      });
      return txsWithEvents;
    } else {
      return parsedTxs;
    }
  });
}

export async function getTxFromDataStore(
  db: PgStore,
  args: GetTxArgs | GetTxWithEventsArgs | GetTxFromDbTxArgs
): Promise<FoundOrNot<Transaction>> {
  return await db.sqlTransaction(async sql => {
    let dbTx: DbTx;
    if ('dbTx' in args) {
      dbTx = args.dbTx;
    } else {
      const txQuery = await db.getTx({
        txId: args.txId,
        includeUnanchored: args.includeUnanchored,
      });
      if (!txQuery.found) {
        return { found: false };
      }
      dbTx = txQuery.result;
    }

    const parsedTx = parseDbTx(dbTx);

    // If tx events are requested
    if ('eventLimit' in args) {
      const eventsQuery = await db.getTxEvents({
        txId: args.txId,
        indexBlockHash: dbTx.index_block_hash,
        limit: args.eventLimit,
        offset: args.eventOffset,
      });
      const txWithEvents: Transaction = {
        ...parsedTx,
        events: eventsQuery.results.map(event => parseDbEvent(event)),
      };
      return { found: true, result: txWithEvents };
    } else {
      return {
        found: true,
        result: parsedTx,
      };
    }
  });
}

export async function searchTxs(
  db: PgStore,
  args: GetTxsArgs | GetTxsWithEventsArgs
): Promise<TransactionList> {
  return await db.sqlTransaction(async sql => {
    const minedTxs = await getTxsFromDataStore(db, args);

    const foundTransactions: TransactionFound[] = [];
    const mempoolTxs: string[] = [];
    minedTxs.forEach(tx => {
      // filtering out mined transactions in canonical chain
      if (tx.canonical && tx.microblock_canonical) {
        foundTransactions.push({ found: true, result: tx });
      }
      // filtering out non canonical transactions to look into mempool table
      if (!tx.canonical && !tx.microblock_canonical) {
        mempoolTxs.push(tx.tx_id);
      }
    });

    // filtering out tx_ids that were not mined / found
    const notMinedTransactions: string[] = args.txIds.filter(
      txId => !minedTxs.find(minedTx => txId === minedTx.tx_id)
    );

    // finding transactions that are not mined and are not canonical in mempool
    mempoolTxs.push(...notMinedTransactions);
    const mempoolTxsQuery = await getMempoolTxsFromDataStore(db, {
      txIds: mempoolTxs,
      includeUnanchored: args.includeUnanchored,
    });

    // merging found mempool transaction in found transactions object
    foundTransactions.push(
      ...mempoolTxsQuery.map((mtx: Transaction | MempoolTransaction) => {
        return { found: true, result: mtx } as TransactionFound;
      })
    );

    // filtering out transactions that were not found anywhere
    const notFoundTransactions: TransactionNotFound[] = args.txIds
      .filter(txId => foundTransactions.findIndex(ftx => ftx.result?.tx_id === txId) < 0)
      .map(txId => {
        return { found: false, result: { tx_id: txId } };
      });

    // generating response
    const resp = [...foundTransactions, ...notFoundTransactions].reduce(
      (map: TransactionList, obj) => {
        if (obj.result) {
          map[obj.result.tx_id] = obj;
        }
        return map;
      },
      {}
    );
    return resp;
  });
}

export async function searchTx(
  db: PgStore,
  args: GetTxArgs | GetTxWithEventsArgs
): Promise<FoundOrNot<Transaction | MempoolTransaction>> {
  return await db.sqlTransaction(async sql => {
    // First, check the happy path: the tx is mined and in the canonical chain.
    const minedTxs = await getTxsFromDataStore(db, { ...args, txIds: [args.txId] });
    const minedTx = minedTxs[0] ?? undefined;
    if (minedTx && minedTx.canonical && minedTx.microblock_canonical) {
      return { found: true, result: minedTx };
    } else {
      // Otherwise, if not mined or not canonical, check in the mempool.
      const mempoolTxQuery = await getMempoolTxsFromDataStore(db, {
        ...args,
        txIds: [args.txId],
      });
      const mempoolTx = mempoolTxQuery[0] ?? undefined;
      if (mempoolTx) {
        return { found: true, result: mempoolTx };
      }
      // Fallback for a situation where the tx was only mined in a non-canonical chain, but somehow not in the mempool table.
      else if (minedTx) {
        logger.warn(`Tx only exists in a non-canonical chain, missing from mempool: ${args.txId}`);
        return { found: true, result: minedTx };
      }
      // Tx not found in db.
      else {
        return { found: false };
      }
    }
  });
}

export async function searchHashWithMetadata(
  hash: string,
  db: PgStore
): Promise<FoundOrNot<DbSearchResultWithMetadata>> {
  return await db.sqlTransaction(async sql => {
    // checking for tx
    const txQuery = await db.getTxListDetails({ txIds: [hash], includeUnanchored: true });
    if (txQuery.length > 0) {
      // tx found
      const tx = txQuery[0];
      return {
        found: true,
        result: {
          entity_type: 'tx_id',
          entity_id: tx.tx_id,
          entity_data: tx,
        },
      };
    }
    // checking for mempool tx
    const mempoolTxQuery = await db.getMempoolTxs({
      txIds: [hash],
      includeUnanchored: true,
      includePruned: true,
    });
    if (mempoolTxQuery.length > 0) {
      // mempool tx found
      const mempoolTx = mempoolTxQuery[0];
      return {
        found: true,
        result: {
          entity_type: 'mempool_tx_id',
          entity_id: mempoolTx.tx_id,
          entity_data: mempoolTx,
        },
      };
    }
    // checking for block
    const blockQuery = await db.getBlockWithMetadata({ hash }, { txs: true, microblocks: true });
    if (blockQuery.found) {
      // block found
      const result = parseDbBlock(
        blockQuery.result.block,
        blockQuery.result.txs.map(tx => tx.tx_id),
        blockQuery.result.microblocks.accepted.map(mb => mb.microblock_hash),
        blockQuery.result.microblocks.streamed.map(mb => mb.microblock_hash),
        blockQuery.result.microblock_tx_count
      );
      return {
        found: true,
        result: {
          entity_type: 'block_hash',
          entity_id: result.hash,
          entity_data: result,
        },
      };
    }
    // found nothing
    return { found: false };
  });
}

hirosystems / stacks-blockchain-api / 4134334244

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