├── .github └── FUNDING.yml ├── .gitignore ├── LICENSE ├── README.md ├── build └── geth.min.js ├── gulpfile.js ├── package.json └── src ├── block-details.js ├── check-balances-all.js ├── check-balances-tokens.js ├── find-all-tokens.js ├── find-non-0-tx-block.js ├── get-block.js ├── get-mined-blocks.js ├── get-uncle.js ├── mining-only-new-txs.js ├── tx-by-accounts.js ├── tx-by-hash.js └── view-tx-details.js /.github/FUNDING.yml: -------------------------------------------------------------------------------- 1 | # These are supported funding model platforms 2 | 3 | github: [niksmac, sibizulu] 4 | patreon: # Replace with a single Patreon username 5 | open_collective: # Replace with a single Open Collective username 6 | ko_fi: # Replace with a single Ko-fi username 7 | tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel 8 | community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry 9 | liberapay: # Replace with a single Liberapay username 10 | issuehunt: # Replace with a single IssueHunt username 11 | otechie: # Replace with a single Otechie username 12 | custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2'] 13 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules/ 2 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # ethereum-scripts 2 | ## Common useful JavaScript snippets for geth 3 | This is a collection of common useful scripts that are handy when you do any kind of developemt on the Ethereum Virtual Machine aka EVM. Inspired by [this](http://ethereum.stackexchange.com/q/2531/259) SE question 4 | 5 | ## Usage 6 | **Load into HTML page** 7 | Include the `build/geth.min.js` in your html `HEAD` and start using these fucntions in browser 8 | console and/or custom script. 9 | 10 | **Load into geth console** 11 | `loadScript('YOURPATH/build/geth.min.js');` and use it. 12 | 13 | ## Documentation 14 | Detailed [documentation is 15 | here](https://lightrains.com/blogs/useful-ethereum-geth-javascript-snippets). 16 | -------------------------------------------------------------------------------- /build/geth.min.js: -------------------------------------------------------------------------------- 1 | function printBlock(n){console.log("Block number : "+n.number+"\n hash : "+n.hash+"\n parentHash : "+n.parentHash+"\n nonce : "+n.nonce+"\n sha3Uncles : "+n.sha3Uncles+"\n logsBloom : "+n.logsBloom+"\n transactionsRoot: "+n.transactionsRoot+"\n stateRoot : "+n.stateRoot+"\n miner : "+n.miner+"\n difficulty : "+n.difficulty+"\n totalDifficulty : "+n.totalDifficulty+"\n extraData : "+n.extraData+"\n size : "+n.size+"\n gasLimit : "+n.gasLimit+"\n gasUsed : "+n.gasUsed+"\n timestamp : "+n.timestamp+"\n transactions : "+n.transactions+"\n uncles : "+n.uncles),null!=n.transactions&&(console.log("--- transactions ---"),n.transactions.forEach(function(n){printTransaction(n)}))}function checkAllBalances(){var n=0;eth.accounts.forEach(function(t){console.log(" eth.accounts["+n+"]: "+t+" \tbalance: "+web3.fromWei(eth.getBalance(t),"ether")+" ether"),n++})}function padTokens(n,t){for(var e=n.toPrecision(t);e.length0){if(eth.mining)return;console.log("== Pending transactions! Mining..."),miner.start(mining_threads)}else miner.stop(),console.log("== No transactions! Mining stopped.")}function getTransactionsByAccounts(n,t,e){null==e&&(e=eth.blockNumber,console.log("Using endBlockNumber: "+e)),null==t&&(t=e-1e3,console.log("Using startBlockNumber: "+t)),console.log('Searching for transactions to/from account "'+n+'" within blocks '+t+" and "+e+'"');for(var o=t;o<=e;o++){o%1e3==0&&console.log("Searching block "+o);var a=eth.getBlock(o,!0);null!=a&&null!=a.transactions&&a.transactions.forEach(function(t){"*"!=n&&n!=t.from&&n!=t.to||console.log(" tx hash : "+t.hash+"\n nonce : "+t.nonce+"\n blockHash : "+t.blockHash+"\n blockNumber : "+t.blockNumber+"\n transactionIndex: "+t.transactionIndex+"\n from : "+t.from+"\n to : "+t.to+"\n value : "+t.value+"\n gasPrice : "+t.gasPrice+"\n gas : "+t.gas+"\n input : "+t.input)})}}function printTransaction(n){var t=eth.getTransaction(n);null!=t&&console.log(" tx hash : "+t.hash+"\n nonce : "+t.nonce+"\n blockHash : "+t.blockHash+"\n blockNumber : "+t.blockNumber+"\n transactionIndex: "+t.transactionIndex+"\n from : "+t.from+"\n to : "+t.to+"\n value : "+t.value+"\n gasPrice : "+t.gasPrice+"\n gas : "+t.gas+"\n input : "+t.input)}function printTransaction(n){var t=eth.getTransaction(n);null!=t&&console.log(" tx hash : "+t.hash+"\n nonce : "+t.nonce+"\n blockHash : "+t.blockHash+"\n blockNumber : "+t.blockNumber+"\n transactionIndex: "+t.transactionIndex+"\n from : "+t.from+"\n to : "+t.to+"\n value : "+t.value+"\n gasPrice : "+t.gasPrice+"\n gas : "+t.gas+"\n input : "+t.input)}var tokenInterface=[{type:"function",name:"name",constant:!0,inputs:[],outputs:[{name:"",type:"string"}]},{type:"function",name:"decimals",constant:!0,inputs:[],outputs:[{name:"",type:"uint8"}]},{type:"function",name:"balanceOf",constant:!0,inputs:[{name:"",type:"address"}],outputs:[{name:"",type:"uint256"}]},{type:"function",name:"symbol",constant:!0,inputs:[],outputs:[{name:"",type:"string"}]},{type:"function",name:"transfer",constant:!1,inputs:[{name:"_to",type:"address"},{name:"_value",type:"uint256"}],outputs:[]},{type:"constructor",inputs:[{name:"_supply",type:"uint256"},{name:"_name",type:"string"},{name:"_decimals",type:"uint8"},{name:"_symbol",type:"string"}]},{name:"Transfer",type:"event",anonymous:!1,inputs:[{indexed:!0,name:"from",type:"address"},{indexed:!0,name:"to",type:"address"},{indexed:!1,name:"value",type:"uint256"}]}];TokenContract=web3.eth.contract(tokenInterface);for(var lowestBlock=474147,highestBlock=eth.getBlock("latest").number,x=lowestBlock;x 0) { 9 | if (eth.mining) return; 10 | console.log("== Pending transactions! Mining..."); 11 | miner.start(mining_threads); 12 | } else { 13 | miner.stop(); 14 | console.log("== No transactions! Mining stopped."); 15 | } 16 | } 17 | 18 | eth.filter("latest", function(err, block) { checkWork(); }); 19 | eth.filter("pending", function(err, block) { checkWork(); }); 20 | 21 | checkWork(); 22 | -------------------------------------------------------------------------------- /src/tx-by-accounts.js: -------------------------------------------------------------------------------- 1 | /* 2 | * Find all transaction to/from eth.accounts[0] within the last 1,000 blocks: 3 | */ 4 | 5 | function getTransactionsByAccounts(myaccount, startBlockNumber, endBlockNumber) { 6 | if (endBlockNumber == null) { 7 | endBlockNumber = eth.blockNumber; 8 | console.log("Using endBlockNumber: " + endBlockNumber); 9 | } 10 | if (startBlockNumber == null) { 11 | startBlockNumber = endBlockNumber - 1000; 12 | console.log("Using startBlockNumber: " + startBlockNumber); 13 | } 14 | console.log("Searching for transactions to/from account \"" + myaccount + "\" within blocks " + startBlockNumber + " and " + endBlockNumber + "\""); 15 | 16 | for (var i = startBlockNumber; i <= endBlockNumber; i++) { 17 | if (i % 1000 == 0) { 18 | console.log("Searching block " + i); 19 | } 20 | var block = eth.getBlock(i, true); 21 | if (block != null && block.transactions != null) { 22 | block.transactions.forEach( function(e) { 23 | if (myaccount == "*" || myaccount == e.from || myaccount == e.to) { 24 | console.log(" tx hash : " + e.hash + "\n" 25 | + " nonce : " + e.nonce + "\n" 26 | + " blockHash : " + e.blockHash + "\n" 27 | + " blockNumber : " + e.blockNumber + "\n" 28 | + " transactionIndex: " + e.transactionIndex + "\n" 29 | + " from : " + e.from + "\n" 30 | + " to : " + e.to + "\n" 31 | + " value : " + e.value + "\n" 32 | + " gasPrice : " + e.gasPrice + "\n" 33 | + " gas : " + e.gas + "\n" 34 | + " input : " + e.input); 35 | } 36 | }) 37 | } 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /src/tx-by-hash.js: -------------------------------------------------------------------------------- 1 | /* 2 | * Print transaction details from a given transaction hash 3 | * http://ethereum.stackexchange.com/a/2936/259 4 | */ 5 | 6 | function printTransaction(txHash) { 7 | var tx = eth.getTransaction(txHash); 8 | if (tx != null) { 9 | console.log(" tx hash : " + tx.hash + "\n" 10 | + " nonce : " + tx.nonce + "\n" 11 | + " blockHash : " + tx.blockHash + "\n" 12 | + " blockNumber : " + tx.blockNumber + "\n" 13 | + " transactionIndex: " + tx.transactionIndex + "\n" 14 | + " from : " + tx.from + "\n" 15 | + " to : " + tx.to + "\n" 16 | + " value : " + tx.value + "\n" 17 | + " gasPrice : " + tx.gasPrice + "\n" 18 | + " gas : " + tx.gas + "\n" 19 | + " input : " + tx.input); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /src/view-tx-details.js: -------------------------------------------------------------------------------- 1 | /* 2 | * View a Transaction 3 | * Inspired by http://ethereum.stackexchange.com/a/2541/259 4 | */ 5 | function printTransaction(txHash) { 6 | var tx = eth.getTransaction(txHash); 7 | if (tx != null) { 8 | console.log(" tx hash : " + tx.hash + "\n" 9 | + " nonce : " + tx.nonce + "\n" 10 | + " blockHash : " + tx.blockHash + "\n" 11 | + " blockNumber : " + tx.blockNumber + "\n" 12 | + " transactionIndex: " + tx.transactionIndex + "\n" 13 | + " from : " + tx.from + "\n" 14 | + " to : " + tx.to + "\n" 15 | + " value : " + tx.value + "\n" 16 | + " gasPrice : " + tx.gasPrice + "\n" 17 | + " gas : " + tx.gas + "\n" 18 | + " input : " + tx.input); 19 | } 20 | } 21 | --------------------------------------------------------------------------------