区块链买卖业务

买卖业务

项目来自https://github.com/Dapp-Learning-DAO/Dapp-Learning/blob/main/basic/02-web3js-transaction/README-cn.md
本项目包罗对买卖业务进行署名，发送，接收买卖业务回执，验证买卖业务执行结果。也提供了事件监听的逻辑代码。
准备

需要安装web3.js
其他和上一个项目环境一样，需要准备私钥和项目id。参考 上一篇。
合约和代码逻辑

合约

1. pragma solidity ^0.8.0;
3. contract Incrementer {
4.     uint256 public number;
6.     event Increment(uint256 value);
7.     event Reset();
9.     constructor(uint256 _initialNumber) {
10.         number = _initialNumber;
11.     }
13.     function increment(uint256 _value) public {
14.         require(_value > 0, "increment value should be positive number");
15.         number = number + _value;
16.         emit Increment(_value);
17.     }
19.     function reset() public {
20.         number = 0;
21.         emit Reset();
22.     }
24.     function getNumber() public view returns (uint256) {
25.         return number;
26.     }
27. }

复制代码

compile.js

1. const fs = require('fs');
2. const solc = require('solc');
4. // 以 utf8 方式加载合约
5. const source = fs.readFileSync('Incrementer.sol', 'utf8');
7. // 编译合约
8. const input = {
9.   language: 'Solidity',
10.   sources: {
11.     'Incrementer.sol': {
12.       content: source,
13.     },
14.   },
15.   settings: {
16.     outputSelection: {
17.       '*': {
18.         '*': ['*'],
19.       },
20.     },
21.   },
22. };
24. const tempFile = JSON.parse(solc.compile(JSON.stringify(input)));
25. const contractOfIncrementer =
26.   tempFile.contracts['Incrementer.sol']['Incrementer'];
28. // 导出合约数据，可以使用 console 打印 contractFile 中的具体内容信息
29. module.exports = contractOfIncrementer;

复制代码

index.js

1. const Web3 = require('web3');
2. const fs = require('fs');
3. const contractOfIncrementer = require('./compile');
5. require('dotenv').config();
6. const privatekey = process.env.PRIVATE_KEY;
8. function sleep(ms) {
9.   return new Promise((resolve) => setTimeout(resolve, ms));
10. }
12. /*
13.    -- Define Provider --
14. */
15. // Provider
16. const providerRPC = {
17.   development: 'https://sepolia.infura.io/v3/' + process.env.INFURA_ID,
18.   moonbase: 'https://rpc.testnet.moonbeam.network',
19. };
20. const web3 = new Web3(providerRPC.development); //Change to correct network
22. // Create account with privatekey
23. const account = web3.eth.accounts.privateKeyToAccount(privatekey);
24. const account_from = {
25.   privateKey: privatekey,
26.   accountAddress: account.address,
27. };
29. // Get abi & bin
30. const bytecode = contractOfIncrementer.evm.bytecode.object;
31. const abi = contractOfIncrementer.abi;
33. /*
34. *
35. *
36. *   -- Verify Deployment --
37. *
39. */
40. const Trans = async () => {
41.   console.log('============================ 1. Deploy Contract');
42.   console.log(`Attempting to deploy from account ${account.address}`);
44.   // Create Contract Instance
45.   const deployContract = new web3.eth.Contract(abi);
47.   // Create Deployment Tx
48.   const deployTx = deployContract.deploy({
49.     data: bytecode,
50.     arguments: [5],
51.   });
52.   
53.   // Sign Tx
54.   const createTransaction = await web3.eth.accounts.signTransaction(
55.     {
56.       data: deployTx.encodeABI(),
57.       gas: 8000000,
58.     },
59.     account_from.privateKey
60.   );
62.   // Get Transaction Receipt
63.   const createReceipt = await web3.eth.sendSignedTransaction(
64.     createTransaction.rawTransaction
65.   );
66.   console.log(`Contract deployed at address: ${createReceipt.contractAddress}`);
68.   const deployedBlockNumber = createReceipt.blockNumber;
70.   /*
71.    *
72.    *
73.    *
74.    * -- Verify Interface of Increment --
75.    *
76.    *
77.    */
78.   // Create the contract with contract address
79.   console.log();
80.   console.log(
81.     '============================ 2. Call Contract Interface getNumber'
82.   );
83.   let incrementer = new web3.eth.Contract(abi, createReceipt.contractAddress);
85.   console.log(
86.     `Making a call to contract at address: ${createReceipt.contractAddress}`
87.   );
89.   let number = await incrementer.methods.getNumber().call();
90.   console.log(`The current number stored is: ${number}`);
92.   // Add 3 to Contract Public Variable
93.   console.log();
94.   console.log(
95.     '============================ 3. Call Contract Interface increment'
96.   );
97.   const _value = 3;
98.   let incrementTx = incrementer.methods.increment(_value);
100.   // Sign with Pk
101.   let incrementTransaction = await web3.eth.accounts.signTransaction(
102.     {
103.       to: createReceipt.contractAddress,
104.       data: incrementTx.encodeABI(),
105.       gas: 8000000,
106.     },
107.     account_from.privateKey
108.   );
110.   // Send Transactoin and Get TransactionHash
111.   const incrementReceipt = await web3.eth.sendSignedTransaction(
112.     incrementTransaction.rawTransaction
113.   );
114.   console.log(`Tx successful with hash: ${incrementReceipt.transactionHash}`);
116.   number = await incrementer.methods.getNumber().call();
117.   console.log(`After increment, the current number stored is: ${number}`);
119.   /*
120.    *
121.    *
122.    *
123.    * -- Verify Interface of Reset --
124.    *
125.    *
126.    */
127.   console.log();
128.   console.log('============================ 4. Call Contract Interface reset');
129.   const resetTx = incrementer.methods.reset();
131.   const resetTransaction = await web3.eth.accounts.signTransaction(
132.     {
133.       to: createReceipt.contractAddress,
134.       data: resetTx.encodeABI(),
135.       gas: 8000000,
136.     },
137.     account_from.privateKey
138.   );
140.   const resetcReceipt = await web3.eth.sendSignedTransaction(
141.     resetTransaction.rawTransaction
142.   );
143.   console.log(`Tx successful with hash: ${resetcReceipt.transactionHash}`);
144.   number = await incrementer.methods.getNumber().call();
145.   console.log(`After reset, the current number stored is: ${number}`);
147.   /*
148.    *
149.    *
150.    *
151.    * -- Listen to Event Increment --
152.    *
153.    *
154.    */
155.   console.log();
156.   console.log('============================ 5. Listen to Events');
157.   console.log(' Listen to Increment Event only once && continuouslly');
159.   // sepolia don't support http protocol to event listen, need to use websocket
160.   // more details , please refer to  https://medium.com/blockcentric/listening-for-smart-contract-events-on-public-blockchains-fdb5a8ac8b9a
161.   const web3Socket = new Web3(
162.       'wss://sepolia.infura.io/ws/v3/' + process.env.INFURA_ID
163.   );
165.   // listen to  Increment event only once
166.   incrementer.once('Increment', (error, event) => {
167.     console.log('I am a onetime event listner, I am going to die now');
168.   });
170.   // listen to Increment event continuously
171.   web3Socket.eth.subscribe('logs',{
172.     address: createReceipt.contractAddress,
173.     topics: []
174.   },(error,result) => {
175.     if(error){
176.       console.error(error)
177.     }
178.   }
179.   ).on("data", (event) => {
180.       console.log("New event: ", event);
181.     })
182.     .on("error", (error) => {
183.       console.error("Error: ", error);
184.     });
186.   for (let step = 0; step < 3; step++) {
187.     incrementTransaction = await web3.eth.accounts.signTransaction(
188.       {
189.         to: createReceipt.contractAddress,
190.         data: incrementTx.encodeABI(),
191.         gas: 8000000,
192.       },
193.       account_from.privateKey
194.     );
196.     await web3.eth.sendSignedTransaction(incrementTransaction.rawTransaction);
198.     console.log("Waiting for events")
199.     await sleep(3000);
200.    
201.     if (step == 2) {
202.       // clear all the listeners
203.       web3Socket.eth.clearSubscriptions();
204.       console.log('Clearing all the events listeners !!!!');
205.     }
206.   }
208.   /*
209.    *
210.    *
211.    *
212.    * -- Get past events --
213.    *
214.    *
215.    */
216.   console.log();
217.   console.log('============================ 6. Going to get past events');
218.   const pastEvents = await incrementer.getPastEvents('Increment', {
219.     fromBlock: deployedBlockNumber,
220.     toBlock: 'latest',
221.   });
223.   pastEvents.map((event) => {
224.     console.log(event);
225.   });
227.   /*
228.    *
229.    *
230.    *
231.    * -- Check Transaction Error --
232.    *
233.    *
234.    */
235.   console.log();
236.   console.log('============================ 7. Check the transaction error');
237.   incrementTx = incrementer.methods.increment(0);
238.   incrementTransaction = await web3.eth.accounts.signTransaction(
239.     {
240.       to: createReceipt.contractAddress,
241.       data: incrementTx.encodeABI(),
242.       gas: 8000000,
243.     },
244.     account_from.privateKey
245.   );
247.   await web3.eth
248.     .sendSignedTransaction(incrementTransaction.rawTransaction)
249.     .on('error', console.error);
250. };
252. Trans()
253.   .then(() => process.exit(0))
254.   .catch((error) => {
255.     console.error(error);
256.     process.exit(1);
257.   });

复制代码

运行

1. ============================ 1. Deploy Contract
2. Attempting to deploy from account 0x953bAac08Cad29A4E354F0833c404Ed528775B68
3. Contract deployed at address: 0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369
5. ============================ 2. Call Contract Interface getNumber
6. Making a call to contract at address: 0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369
7. The current number stored is: 5
9. ============================ 3. Call Contract Interface increment
10. Tx successful with hash: 0xf9121315472943c6c316c600072798813317563ee3994cfc2334ba20a453a4a1
11. After increment, the current number stored is: 8
13. ============================ 4. Call Contract Interface reset
14. Tx successful with hash: 0xda76d0a839a40acfb654a37b7afe133c44cd81873f91d51ddfcff2b6052c2e0b
15. After reset, the current number stored is: 0
17. ============================ 5. Listen to Events
18. Listen to Increment Event only once && continuouslly
19. I am a onetime event listner, I am going to die now
20. New event:  {
21.   address: '0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369',
22.   blockHash: '0x9e8d04cff3f2236eed7bf662036657963cf7475b0e350f77a396e89a4935de2c',
23.   blockNumber: 7947790,
24.   data: '0x0000000000000000000000000000000000000000000000000000000000000003',
25.   logIndex: 353,
26.   removed: false,
27.   topics: [
28.     '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81'
29.   ],
30.   transactionHash: '0xdc7dfda876800b365e70374b8f8f9f39d8603bebe89f961109f65229b93524d6',
31.   transactionIndex: 189,
32.   id: 'log_7432a4a4'
33. }
34. Waiting for events
35. New event:  {
36.   address: '0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369',
37.   blockHash: '0x9ec619f890cdd8e0ab6a3e0bae4846351f81f6b81125fddd444c8e7a2598d970',
38.   blockNumber: 7947792,
39.   data: '0x0000000000000000000000000000000000000000000000000000000000000003',
40.   logIndex: 343,
41.   removed: false,
42.   topics: [
43.     '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81'
44.   ],
45.   transactionHash: '0x4956140582e6e0d62885e0646ad0642b6ae060fd4658d0374cd555799fa3a843',
46.   transactionIndex: 181,
47.   id: 'log_a193869e'
48. }
49. Waiting for events
50. New event:  {
51.   address: '0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369',
52.   blockHash: '0xd8967836b9d85763611be4489042896b149b45b82f3404d530ad60a2cb8ca378',
53.   blockNumber: 7947793,
54.   blockTimestamp: '0x67dd0eb8',
55.   data: '0x0000000000000000000000000000000000000000000000000000000000000003',
56.   logIndex: 248,
57.   removed: false,
58.   topics: [
59.     '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81'
60.   ],
61.   transactionHash: '0x35163a22db0cffeeab3e2c4f6ca6f6a3f5e622982514ea98a6f99b3abc0e5d74',
62.   transactionIndex: 169,
63.   id: 'log_97159c2a'
64. }
65. Waiting for events
66. Clearing all the events listeners !!!!
68. ============================ 6. Going to get past events
69. {
70.   removed: false,
71.   logIndex: 413,
72.   transactionIndex: 214,
73.   transactionHash: '0xf9121315472943c6c316c600072798813317563ee3994cfc2334ba20a453a4a1',
74.   blockHash: '0xdc82eb994a9884606ad817309a509f923aa4c9eb1444e1fdf0531f29919d67ca',
75.   blockNumber: 7947788,
76.   address: '0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369',
77.   id: 'log_95b8ba97',
78.   returnValues: Result { '0': '3', value: '3' },
79.   event: 'Increment',
80.   signature: '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81',
81.   raw: {
82.     data: '0x0000000000000000000000000000000000000000000000000000000000000003',
83.     topics: [
84.       '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81'
85.     ]
86.   }
87. }
88. {
89.   removed: false,
90.   logIndex: 353,
91.   transactionIndex: 189,
92.   transactionHash: '0xdc7dfda876800b365e70374b8f8f9f39d8603bebe89f961109f65229b93524d6',
93.   blockHash: '0x9e8d04cff3f2236eed7bf662036657963cf7475b0e350f77a396e89a4935de2c',
94.   blockNumber: 7947790,
95.   address: '0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369',
96.   id: 'log_7432a4a4',
97.   returnValues: Result { '0': '3', value: '3' },
98.   event: 'Increment',
99.   signature: '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81',
100.   raw: {
101.     data: '0x0000000000000000000000000000000000000000000000000000000000000003',
102.     topics: [
103.       '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81'
104.     ]
105.   }
106. }
107. {
108.   removed: false,
109.   logIndex: 343,
110.   transactionIndex: 181,
111.   transactionHash: '0x4956140582e6e0d62885e0646ad0642b6ae060fd4658d0374cd555799fa3a843',
112.   blockHash: '0x9ec619f890cdd8e0ab6a3e0bae4846351f81f6b81125fddd444c8e7a2598d970',
113.   blockNumber: 7947792,
114.   address: '0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369',
115.   id: 'log_a193869e',
116.   returnValues: Result { '0': '3', value: '3' },
117.   event: 'Increment',
118.   signature: '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81',
119.   raw: {
120.     data: '0x0000000000000000000000000000000000000000000000000000000000000003',
121.     topics: [
122.       '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81'
123.     ]
124.   }
125. }
126. {
127.   removed: false,
128.   logIndex: 248,
129.   transactionIndex: 169,
130.   transactionHash: '0x35163a22db0cffeeab3e2c4f6ca6f6a3f5e622982514ea98a6f99b3abc0e5d74',
131.   blockHash: '0xd8967836b9d85763611be4489042896b149b45b82f3404d530ad60a2cb8ca378',
132.   blockNumber: 7947793,
133.   address: '0xadD95f6bD6A0Fbd1423Bde9272dB999946A09369',
134.   id: 'log_97159c2a',
135.   returnValues: Result { '0': '3', value: '3' },
136.   event: 'Increment',
137.   signature: '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81',
138.   raw: {
139.     data: '0x0000000000000000000000000000000000000000000000000000000000000003',
140.     topics: [
141.       '0x51af157c2eee40f68107a47a49c32fbbeb0a3c9e5cd37aa56e88e6be92368a81'
142.     ]
143.   }
144. }
146. ============================ 7. Check the transaction error
147. Error: Transaction has been reverted by the EVM:
148. {
149.   "blockHash": "0x676c1930d40386e4011ae277099d0b0113fc9cddaff445c1ea529445f1a15d5f",
150.   "blockNumber": 7947794,
151.   "contractAddress": null,
152.   "cumulativeGasUsed": 20244362,
153.   "effectiveGasPrice": 7643386,
154.   "from": "0x953baac08cad29a4e354f0833c404ed528775b68",
155.   "gasUsed": 21875,
156.   "logs": [],
157.   "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
158.   "status": false,
159.   "to": "0xadd95f6bd6a0fbd1423bde9272db999946a09369",
160.   "transactionHash": "0x655d2b7ce84608cec8bbc09b6092bf1aa1cf9199496152e953517e51775be7ca",
161.   "transactionIndex": 143,
162.   "type": "0x0"
163. }
164.     at Object.TransactionError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:90:21)  
165.     at Object.TransactionRevertedWithoutReasonError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:101:21)
166.     at C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-method\lib\index.js:396:57
167.     at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
168.   receipt: {
169.     blockHash: '0x676c1930d40386e4011ae277099d0b0113fc9cddaff445c1ea529445f1a15d5f',
170.     blockNumber: 7947794,
171.     contractAddress: null,
172.     cumulativeGasUsed: 20244362,
173.     effectiveGasPrice: 7643386,
174. ============================ 7. Check the transaction error
175. Error: Transaction has been reverted by the EVM:
176. {
177.   "blockHash": "0x676c1930d40386e4011ae277099d0b0113fc9cddaff445c1ea529445f1a15d5f",
178.   "blockNumber": 7947794,
179.   "contractAddress": null,
180.   "cumulativeGasUsed": 20244362,
181.   "effectiveGasPrice": 7643386,
182.   "from": "0x953baac08cad29a4e354f0833c404ed528775b68",
183.   "gasUsed": 21875,
184.   "logs": [],
185.   "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
186.   "status": false,
187.   "to": "0xadd95f6bd6a0fbd1423bde9272db999946a09369",
188.   "transactionHash": "0x655d2b7ce84608cec8bbc09b6092bf1aa1cf9199496152e953517e51775be7ca",
189.   "transactionIndex": 143,
190.   "type": "0x0"
191. }
192.     at Object.TransactionError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:90:21)  
193.     at Object.TransactionRevertedWithoutReasonError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:101:21)
194.     at C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-method\lib\index.js:396:57
195.     at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
196.   receipt: {
197.     blockHash: '0x676c1930d40386e4011ae277099d0b0113fc9cddaff445c1ea529445f1a15d5f',
198.     blockNumber: 7947794,
199.     contractAddress: null,
200.     cumulativeGasUsed: 20244362,
201.     effectiveGasPrice: 7643386,
202.   "from": "0x953baac08cad29a4e354f0833c404ed528775b68",
203.   "gasUsed": 21875,
204.   "logs": [],
205.   "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
206.   "status": false,
207.   "to": "0xadd95f6bd6a0fbd1423bde9272db999946a09369",
208.   "transactionHash": "0x655d2b7ce84608cec8bbc09b6092bf1aa1cf9199496152e953517e51775be7ca",
209.   "transactionIndex": 143,
210.   "type": "0x0"
211. }
212.     at Object.TransactionError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:90:21)  
213.     at Object.TransactionRevertedWithoutReasonError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:101:21)
214.     at C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-method\lib\index.js:396:57
215.     at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
216.   receipt: {
217.     blockHash: '0x676c1930d40386e4011ae277099d0b0113fc9cddaff445c1ea529445f1a15d5f',
218.     blockNumber: 7947794,
219.     contractAddress: null,
220.     cumulativeGasUsed: 20244362,
221.     effectiveGasPrice: 7643386,
222.   "type": "0x0"
223. }
224.     at Object.TransactionError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:90:21)  
225.     at Object.TransactionRevertedWithoutReasonError (C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-helpers\lib\errors.js:101:21)
226.     at C:\Users\26643\Downloads\Dapp-Learning-main\Dapp-Learning-main\basic\02-web3js-transaction\node_modules\web3-core-method\lib\index.js:396:57
227.     at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
228.   receipt: {
229.     blockHash: '0x676c1930d40386e4011ae277099d0b0113fc9cddaff445c1ea529445f1a15d5f',
230.     blockNumber: 7947794,
231.     contractAddress: null,
232.     cumulativeGasUsed: 20244362,
233.     effectiveGasPrice: 7643386,
234.     at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
235.   receipt: {
236.     blockHash: '0x676c1930d40386e4011ae277099d0b0113fc9cddaff445c1ea529445f1a15d5f',
237.     blockNumber: 7947794,
238.     contractAddress: null,
239.     cumulativeGasUsed: 20244362,
240.     effectiveGasPrice: 7643386,
241.     blockNumber: 7947794,
242.     contractAddress: null,
243.     cumulativeGasUsed: 20244362,
244.     effectiveGasPrice: 7643386,
245.     cumulativeGasUsed: 20244362,
246.     effectiveGasPrice: 7643386,
247.     effectiveGasPrice: 7643386,
248.     from: '0x953baac08cad29a4e354f0833c404ed528775b68',
249.     gasUsed: 21875,
250.     logs: [],
251.     logs: [],
252.     logsBloom: '0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000    logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
253. 00',
254.     status: false,
255.     status: false,
256.     to: '0xadd95f6bd6a0fbd1423bde9272db999946a09369',
257.     transactionHash: '0x655d2b7ce84608cec8bbc09b6092bf1aa1cf9199496152e953517e51775be7ca',
258.     transactionIndex: 143,
259.     type: '0x0'
260.   }
261. }

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