# All files / src/api/methods getTransactionReceipt.js

100% Statements 15/15
75% Branches 3/4
100% Functions 3/3
100% Lines 13/13

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     /**
     * Copyright (c) 2019-present, Leap DAO (leapdao.org)
     *
     * This source code is licensed under the Mozilla Public License Version 2.0
     * found in the LICENSE file in the root directory of this source tree.
     */
    const { bufferToHex } = require('ethereumjs-util');
    const { Tx } = require('leap-core');
    const getPrevTx = require('./utils/getPrevTx');

    module.exports = async (db, hash) => {
      const txDoc = await db.getTransaction(hash);
      if (!txDoc) return null;

      const { txData, blockHash, height, txPos, logs } = txDoc;

      const tx = Tx.fromJSON(txData);

      const prevTx = await getPrevTx(db, tx);

      const blockNumber = `0x${height.toString(16)}`;

      const txLogs = (logs || []).map((log, i) => ({
        transactionLogIndex: i,
        transactionIndex: txPos,
        blockNumber,
        transactionHash: hash,
        address: bufferToHex(Buffer.from(log[0])),
        topics: log[1].map(e => bufferToHex(Buffer.from(e))),
        data: bufferToHex(Buffer.from(log[2])),
        logIndex: 0,
        blockHash,
      }));

      return {
        transactionHash: hash,
        transactionIndex: txPos,
        blockHash,
        blockNumber,
        from: tx.from(prevTx),
        to: tx.to(),
        raw: tx.hex(),
        cumulativeGasUsed: '0x0',
        gasUsed: '0x0',
        contractAddress: null,
        logs: txLogs,
        logsBloom: '0x',
        status: '0x1',
      };
    };