coinbase somewhat working

package-lock.json

@@ -14,6 +14,8 @@
         "@nestjs/core": "^9.0.0",
         "@nestjs/platform-fastify": "^9.4.2",
         "big.js": "^6.2.1",
+        "bitcoinjs-lib": "^6.1.3",
+        "bs58": "^5.0.0",
         "class-transformer": "^0.5.1",
         "class-validator": "^0.14.0",
         "merkletreejs": "^0.3.10",
@@ -1692,6 +1694,17 @@
         }
       }
     },
+    "node_modules/@noble/hashes": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA==",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -2830,12 +2843,9 @@
       "dev": true
     },
     "node_modules/base-x": {
-      "version": "3.0.9",
+      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-4.0.0.tgz",
-      "integrity": "sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==",
+      "integrity": "sha512-FuwxlW4H5kh37X/oW59pwTzzTKRzfrrQwhmyspRM7swOEZcHtDZSCt45U6oKgtuFE+WYPblePMVIPR4RZrh/hw=="
-      "dependencies": {
-        "safe-buffer": "^5.0.1"
-      }
     },
     "node_modules/base64-js": {
       "version": "1.5.1",
@@ -2864,6 +2874,11 @@
         "tweetnacl": "^0.14.3"
       }
     },
+    "node_modules/bech32": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/bech32/-/bech32-2.0.0.tgz",
+      "integrity": "sha512-LcknSilhIGatDAsY1ak2I8VtGaHNhgMSYVxFrGLXv+xLHytaKZKcaUJJUE7qmBr7h33o5YQwP55pMI0xmkpJwg=="
+    },
     "node_modules/big.js": {
       "version": "6.2.1",
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.2.1.tgz",
@@ -2893,6 +2908,39 @@
         "node": ">=8"
       }
     },
+    "node_modules/bip174": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/bip174/-/bip174-2.1.0.tgz",
+      "integrity": "sha512-lkc0XyiX9E9KiVAS1ZiOqK1xfiwvf4FXDDdkDq5crcDzOq+xGytY+14qCsqz7kCiy8rpN1CRNfacRhf9G3JNSA==",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
+    "node_modules/bitcoinjs-lib": {
+      "version": "6.1.3",
+      "resolved": "https://registry.npmjs.org/bitcoinjs-lib/-/bitcoinjs-lib-6.1.3.tgz",
+      "integrity": "sha512-TYXs/Qf+GNk2nnsB9HrXWqzFuEgCg0Gx+v3UW3B8VuceFHXVvhT+7hRnTSvwkX0i8rz2rtujeU6gFaDcFqYFDw==",
+      "dependencies": {
+        "@noble/hashes": "^1.2.0",
+        "bech32": "^2.0.0",
+        "bip174": "^2.1.0",
+        "bs58check": "^3.0.1",
+        "typeforce": "^1.11.3",
+        "varuint-bitcoin": "^1.1.2"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
+    "node_modules/bitcoinjs-lib/node_modules/bs58check": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/bs58check/-/bs58check-3.0.1.tgz",
+      "integrity": "sha512-hjuuJvoWEybo7Hn/0xOrczQKKEKD63WguEjlhLExYs2wUBcebDC1jDNK17eEAD2lYfw82d5ASC1d7K3SWszjaQ==",
+      "dependencies": {
+        "@noble/hashes": "^1.2.0",
+        "bs58": "^5.0.0"
+      }
+    },
     "node_modules/bl": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
@@ -3037,11 +3085,11 @@
       }
     },
     "node_modules/bs58": {
-      "version": "4.0.1",
+      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/bs58/-/bs58-5.0.0.tgz",
-      "integrity": "sha512-Ok3Wdf5vOIlBrgCvTq96gBkJw+JUEzdBgyaza5HLtPm7yTHkjRy8+JzNyHF7BHa0bNWOQIp3m5YF0nnFcOIKLw==",
+      "integrity": "sha512-r+ihvQJvahgYT50JD05dyJNKlmmSlMoOGwn1lCcEzanPglg7TxYjioQUYehQ9mAR/+hOSd2jRc/Z2y5UxBymvQ==",
       "dependencies": {
-        "base-x": "^3.0.2"
+        "base-x": "^4.0.0"
       }
     },
     "node_modules/bs58check": {
@@ -3054,6 +3102,22 @@
         "safe-buffer": "^5.1.2"
       }
     },
+    "node_modules/bs58check/node_modules/base-x": {
+      "version": "3.0.9",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
+      "integrity": "sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "node_modules/bs58check/node_modules/bs58": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+      "integrity": "sha512-Ok3Wdf5vOIlBrgCvTq96gBkJw+JUEzdBgyaza5HLtPm7yTHkjRy8+JzNyHF7BHa0bNWOQIp3m5YF0nnFcOIKLw==",
+      "dependencies": {
+        "base-x": "^3.0.2"
+      }
+    },
     "node_modules/bser": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/bser/-/bser-2.1.1.tgz",
@@ -8501,6 +8565,11 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/typeforce": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/typeforce/-/typeforce-1.18.0.tgz",
+      "integrity": "sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g=="
+    },
     "node_modules/typescript": {
       "version": "5.1.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.3.tgz",
@@ -8625,6 +8694,14 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/varuint-bitcoin": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/varuint-bitcoin/-/varuint-bitcoin-1.1.2.tgz",
+      "integrity": "sha512-4EVb+w4rx+YfVM32HQX42AbbT7/1f5zwAYhIujKXKk8NQK+JfRVl3pqT3hjNn/L+RstigmGGKVwHA/P0wgITZw==",
+      "dependencies": {
+        "safe-buffer": "^5.1.1"
+      }
+    },
     "node_modules/verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -10147,6 +10224,11 @@
         "tslib": "2.5.2"
       }
     },
+    "@noble/hashes": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.1.tgz",
+      "integrity": "sha512-EbqwksQwz9xDRGfDST86whPBgM65E0OH/pCgqW0GBVzO22bNE+NuIbeTb714+IfSjU3aRk47EUvXIb5bTsenKA=="
+    },
     "@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -11096,12 +11178,9 @@
       "dev": true
     },
     "base-x": {
-      "version": "3.0.9",
+      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
+      "resolved": "https://registry.npmjs.org/base-x/-/base-x-4.0.0.tgz",
-      "integrity": "sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==",
+      "integrity": "sha512-FuwxlW4H5kh37X/oW59pwTzzTKRzfrrQwhmyspRM7swOEZcHtDZSCt45U6oKgtuFE+WYPblePMVIPR4RZrh/hw=="
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
     },
     "base64-js": {
       "version": "1.5.1",
@@ -11116,6 +11195,11 @@
         "tweetnacl": "^0.14.3"
       }
     },
+    "bech32": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/bech32/-/bech32-2.0.0.tgz",
+      "integrity": "sha512-LcknSilhIGatDAsY1ak2I8VtGaHNhgMSYVxFrGLXv+xLHytaKZKcaUJJUE7qmBr7h33o5YQwP55pMI0xmkpJwg=="
+    },
     "big.js": {
       "version": "6.2.1",
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-6.2.1.tgz",
@@ -11132,6 +11216,35 @@
       "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
       "dev": true
     },
+    "bip174": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/bip174/-/bip174-2.1.0.tgz",
+      "integrity": "sha512-lkc0XyiX9E9KiVAS1ZiOqK1xfiwvf4FXDDdkDq5crcDzOq+xGytY+14qCsqz7kCiy8rpN1CRNfacRhf9G3JNSA=="
+    },
+    "bitcoinjs-lib": {
+      "version": "6.1.3",
+      "resolved": "https://registry.npmjs.org/bitcoinjs-lib/-/bitcoinjs-lib-6.1.3.tgz",
+      "integrity": "sha512-TYXs/Qf+GNk2nnsB9HrXWqzFuEgCg0Gx+v3UW3B8VuceFHXVvhT+7hRnTSvwkX0i8rz2rtujeU6gFaDcFqYFDw==",
+      "requires": {
+        "@noble/hashes": "^1.2.0",
+        "bech32": "^2.0.0",
+        "bip174": "^2.1.0",
+        "bs58check": "^3.0.1",
+        "typeforce": "^1.11.3",
+        "varuint-bitcoin": "^1.1.2"
+      },
+      "dependencies": {
+        "bs58check": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/bs58check/-/bs58check-3.0.1.tgz",
+          "integrity": "sha512-hjuuJvoWEybo7Hn/0xOrczQKKEKD63WguEjlhLExYs2wUBcebDC1jDNK17eEAD2lYfw82d5ASC1d7K3SWszjaQ==",
+          "requires": {
+            "@noble/hashes": "^1.2.0",
+            "bs58": "^5.0.0"
+          }
+        }
+      }
+    },
     "bl": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
@@ -11235,11 +11348,11 @@
       }
     },
     "bs58": {
-      "version": "4.0.1",
+      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/bs58/-/bs58-5.0.0.tgz",
-      "integrity": "sha512-Ok3Wdf5vOIlBrgCvTq96gBkJw+JUEzdBgyaza5HLtPm7yTHkjRy8+JzNyHF7BHa0bNWOQIp3m5YF0nnFcOIKLw==",
+      "integrity": "sha512-r+ihvQJvahgYT50JD05dyJNKlmmSlMoOGwn1lCcEzanPglg7TxYjioQUYehQ9mAR/+hOSd2jRc/Z2y5UxBymvQ==",
       "requires": {
-        "base-x": "^3.0.2"
+        "base-x": "^4.0.0"
       }
     },
     "bs58check": {
@@ -11250,6 +11363,24 @@
         "bs58": "^4.0.0",
         "create-hash": "^1.1.0",
         "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "base-x": {
+          "version": "3.0.9",
+          "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.9.tgz",
+          "integrity": "sha512-H7JU6iBHTal1gp56aKoaa//YUxEaAOUiydvrV/pILqIHXTtqxSkATOnDA2u+jZ/61sD+L/412+7kzXRtWukhpQ==",
+          "requires": {
+            "safe-buffer": "^5.0.1"
+          }
+        },
+        "bs58": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+          "integrity": "sha512-Ok3Wdf5vOIlBrgCvTq96gBkJw+JUEzdBgyaza5HLtPm7yTHkjRy8+JzNyHF7BHa0bNWOQIp3m5YF0nnFcOIKLw==",
+          "requires": {
+            "base-x": "^3.0.2"
+          }
+        }
       }
     },
     "bser": {
@@ -15309,6 +15440,11 @@
       "integrity": "sha512-t0rzBq87m3fVcduHDUFhKmyyX+9eo6WQjZvf51Ea/M0Q7+T374Jp1aUiyUl0GKxp8M/OETVHSDvmkyPgvX+X2w==",
       "dev": true
     },
+    "typeforce": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/typeforce/-/typeforce-1.18.0.tgz",
+      "integrity": "sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g=="
+    },
     "typescript": {
       "version": "5.1.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.3.tgz",
@@ -15392,6 +15528,14 @@
       "resolved": "https://registry.npmjs.org/validator/-/validator-13.9.0.tgz",
       "integrity": "sha512-B+dGG8U3fdtM0/aNK4/X8CXq/EcxU2WPrPEkJGslb47qyHsxmbggTWK0yEA4qnYVNF+nxNlN88o14hIcPmSIEA=="
     },
+    "varuint-bitcoin": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/varuint-bitcoin/-/varuint-bitcoin-1.1.2.tgz",
+      "integrity": "sha512-4EVb+w4rx+YfVM32HQX42AbbT7/1f5zwAYhIujKXKk8NQK+JfRVl3pqT3hjNn/L+RstigmGGKVwHA/P0wgITZw==",
+      "requires": {
+        "safe-buffer": "^5.1.1"
+      }
+    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",

package.json

@@ -25,6 +25,8 @@
     "@nestjs/core": "^9.0.0",
     "@nestjs/platform-fastify": "^9.4.2",
     "big.js": "^6.2.1",
+    "bitcoinjs-lib": "^6.1.3",
+    "bs58": "^5.0.0",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.0",
     "merkletreejs": "^0.3.10",

src/models/MiningJob.ts

@@ -1,3 +1,4 @@
+import * as bitcoinjs from 'bitcoinjs-lib';
 import * as crypto from 'crypto';
 import { MerkleTree } from 'merkletreejs';
 
@@ -32,7 +33,7 @@ export class MiningJob {
 
     public tree: MerkleTree;
 
-    constructor(id: string, blockTemplate: IBlockTemplate, _cleanJobs: boolean) {
+    constructor(id: string, public blockTemplate: IBlockTemplate, _cleanJobs: boolean) {
 
         //console.log(blockTemplate);
 
@@ -53,7 +54,7 @@ export class MiningJob {
         //console.log('TRANSACTION FEES', transactionFees);
         //console.log('MINING REWARD', miningReward);
 
-        const { coinbasePart1, coinbasePart2 } = this.createCoinbaseTransaction([{ address: '', percentage: 100 }], blockTemplate.height, transactionFees + miningReward);
+        const { coinbasePart1, coinbasePart2 } = this.createCoinbaseTransaction([{ address: 'bc1qsa5kr5s74wss7pcpmnrc7e3y5nrgyfcdzpwakk', percentage: 100 }], blockTemplate.height, transactionFees + miningReward);
 
         this.coinb1 = coinbasePart1;
         this.coinb2 = coinbasePart2;
@@ -100,39 +101,48 @@ export class MiningJob {
 
     private createCoinbaseTransaction(addresses: AddressObject[], blockHeight: number, reward: number): { coinbasePart1: string, coinbasePart2: string } {
         // Generate coinbase script
-        const coinbaseScript = `03${blockHeight.toString(16).padStart(8, '0')}54696d652026204865616c74682021`;
+        const blockHeightScript = `03${blockHeight.toString(16).padStart(8, '0')}`;
+        const inputScript = `54696d652026204865616c74682021`;
 
         // Create coinbase transaction
+        const endOfInput = 'ffffffff';
+        const lockTime = '00000000';
         const version = '01000000';
         const inputCount = '01';
-        const inputs = '0000000000000000000000000000000000000000000000000000000000000000ffffffff';
+        const fakeCoinbaseInput = '0000000000000000000000000000000000000000000000000000000000000000';
-        const coinbaseScriptSize = coinbaseScript.length / 2;
-        const coinbaseScriptBytes = coinbaseScriptSize.toString(16).padStart(2, '0');
-        const coinbaseTransaction = inputCount + inputs + coinbaseScriptBytes + coinbaseScript + '00000000';
 
-        // Create outputs
+        const inputScriptBytes = ((blockHeightScript.length + inputScript.length + lockTime.length) / 2).toString(16).padStart(2, '0');
-        const outputCount = addresses.length;
+
-        const outputCountHex = outputCount.toString(16).padStart(2, '0');
+
+        const inputTransaction = inputCount + fakeCoinbaseInput + endOfInput + inputScriptBytes + blockHeightScript + inputScript + lockTime;
+
+
+
+        //let remainingPayout = reward;
 
-        let remainingPayout = reward;
         const outputs = addresses
             .map((addressObj) => {
                 const percentage = addressObj.percentage / 100;
-                const satoshis = Math.floor(reward * percentage).toString(16).padStart(16, '0');
+                const satoshis = Math.floor(reward * percentage);
-                remainingPayout -= parseInt(satoshis, 16);
+                const satoshiBuff = Buffer.alloc(4);
-                const script = '1976a914' + Buffer.from(addressObj.address, 'hex').toString('hex') + '88ac'; // Convert address to hex
+                satoshiBuff.writeUInt32LE(satoshis);
-                return satoshis + script;
+                const littleEndianSatoshis = satoshiBuff.toString('hex').padEnd(16, '0');
+
+                const script = bitcoinjs.payments.p2wpkh({ address: addressObj.address }).output.toString('hex') // Convert address to hex
+                const scriptBytes = (script.length / 2).toString(16).padStart(2, '0');
+                return littleEndianSatoshis + scriptBytes + script;
             })
             .join('');
 
-        // Distribute any remaining satoshis to the first address
+        // // Distribute any remaining satoshis to the first address
-        const firstAddressSatoshis = (parseInt(outputs.substring(0, 16), 16) + remainingPayout).toString(16).padStart(16, '0');
+        // const firstAddressSatoshis = (parseInt(outputs.substring(0, 16), 16) + remainingPayout).toString(16).padStart(16, '0');
-        const firstAddressOutput = firstAddressSatoshis + outputs.substring(16);
-        const modifiedOutputs = firstAddressOutput + outputs.slice(16);
 
         // Combine coinbasePart1 and coinbasePart2
-        const coinbasePart1 = version + coinbaseTransaction + outputCountHex;
+        // Create outputs
-        const coinbasePart2 = modifiedOutputs + '00000000';
+        const outputCountHex = addresses.length.toString(16).padStart(2, '0');
+
+        const coinbasePart1 = version + inputTransaction + endOfInput + outputCountHex;
+        const coinbasePart2 = outputs + lockTime;
 
         return { coinbasePart1, coinbasePart2 };
     }

src/models/stratum-messages/SubscriptionMessage.ts

@@ -25,7 +25,7 @@ export class SubscriptionMessage extends StratumBaseMessage {
                     // ['mining.notify', '64d8c004']
                 ], //subscription details
                 clientId, //Extranonce1 -  Hex-encoded, per-connection unique string which will be used for coinbase serialization later. Keep it safe!
-                8 //Extranonce2_size - Represents expected length of extranonce2 which will be generated by the miner.
+                4 //Extranonce2_size - Represents expected length of extranonce2 which will be generated by the miner.
             ]
         }