📌 Coinbase Serialization

SummerOfBitcoin · May 7, 2024 · ba9caaf · ba9caaf
1 parent e49c9f7
commit ba9caaf
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Showing 6 changed files with 28 additions and 187 deletions.
diff --git a/src/features/block/coinbaseTransaction.ts b/src/features/block/coinbaseTransaction.ts
@@ -17,6 +17,7 @@ const coinbaseTemplate = {
       prevout: null,
       scriptsig: "03233708",
       scriptsig_asm: "OP_PUSHBYTES_3 233708",
+      witness: [ZEROS],
     },
   ],
   vout: [

diff --git a/src/features/block/mine.ts b/src/features/block/mine.ts
@@ -4,7 +4,6 @@ import { merkleRoot } from "./merkleRoot";
 import { txSerializer } from "../encoding/serializer";
 import { ZEROS, generateCoinbaseTransaction } from "./coinbaseTransaction";
 import { totalFee } from "./fee";
-import { isClassStaticBlockDeclaration } from "typescript";
 
 export const mine = (
   txs: Transaction[]
@@ -33,24 +32,27 @@ export const mine = (
 
   const prevBlockHash =
     "0000ffff00000000000000000000000000000000000000000000000000000000"; //make it the same as the difficulty
+
   const merkleRootHash = merkleRoot(
     [coinbaseTransaction, ...txs].map((tx) =>
-      reversify(sha256(sha256(txSerializer(tx).serializedTx)))
+      sha256(sha256(txSerializer(tx).serializedTx))
     )
   );
 
   const time = Buffer.alloc(4);
   time.writeUint32LE(Math.floor(Date.now() / 1000));
-  const nbits = "1f00ffff";
+  // const nbits = "1f00ffff";
+  const nbits = Buffer.alloc(4);
+  nbits.writeUint32LE(0x1f00ffff);
 
   for (let nonce = 0; nonce < 0xffffffff; nonce++) {
     const nonceBuf = Buffer.alloc(4);
     nonceBuf.writeUInt32LE(nonce);
     const serializedBlock = `${version.toString(
       "hex"
-    )}${prevBlockHash}${merkleRootHash}${time.toString(
+    )}${prevBlockHash}${merkleRootHash}${time.toString("hex")}${nbits.toString(
       "hex"
-    )}${nbits}${nonceBuf.toString("hex")}`;
+    )}${nonceBuf.toString("hex")}`;
 
     // console.log(serializedBlock);
     const blockHash = reversify(sha256(sha256(serializedBlock)));
@@ -71,4 +73,4 @@ export const mine = (
       vout: [],
     } as unknown as Transaction,
   };
-};
+};
diff --git a/src/features/encoding/serializer.ts b/src/features/encoding/serializer.ts
@@ -93,11 +93,7 @@ export const txSerializer = (tx: Transaction) => {
 
   return {
     serializedTx,
-    serializedWTx: isWitness
-      ? tx.vin[0].txid === ZEROS
-        ? ZEROS
-        : serializedWTx
-      : serializedTx,
+    serializedWTx: isWitness ? serializedWTx : serializedTx,
   };
 };
 
@@ -142,142 +138,6 @@ const extractRSFromSignature = (derEncodedSignature: string) => {
   return r + s;
 };
 
-// const tx = {
-//   txid: "036da43312463ef1dff92d7c894a5362e07ff5b3111d1f166ba4cd91f3b142b7",
-//   version: 1,
-//   locktime: 0,
-//   vin: [
-//     {
-//       txid: "29c1da61a7f859bfb198406cdaf333eb2dffb0878217e9a91b0451d225f3b985",
-//       vout: 46,
-//       prevout: {
-//         scriptpubkey: "76a914b93e0466997c5ffa7daec8a39746f34c8756ce7788ac",
-//         scriptpubkey_asm:
-//           "OP_DUP OP_HASH160 OP_PUSHBYTES_20 b93e0466997c5ffa7daec8a39746f34c8756ce77 OP_EQUALVERIFY OP_CHECKSIG",
-//         scriptpubkey_type: "p2pkh",
-//         scriptpubkey_address: "1HtUJX5U3kh6dqFNmkzBrqmEFvyoVwLrN7",
-//         value: 115216,
-//       },
-//       scriptsig:
-//         "4830450221009ef1e4141890b2a16a788a0ea04bb0133c02ec507649e65e576d6e372cd123020220765c2cfef1ce59ea5e064797d9dbfdcb00f83371f21af06f5b3b91d23717df2e814104019fab1f0b85b95be4905a712e73415cbddb84a1dbb06653e7f9f68782ece6fc630ee111f10ba7cb0dabfe44b899018df73f541368d375f62fe82968eb404adc",
-//       scriptsig_asm:
-//         "OP_PUSHBYTES_72 30450221009ef1e4141890b2a16a788a0ea04bb0133c02ec507649e65e576d6e372cd123020220765c2cfef1ce59ea5e064797d9dbfdcb00f83371f21af06f5b3b91d23717df2e81 OP_PUSHBYTES_65 04019fab1f0b85b95be4905a712e73415cbddb84a1dbb06653e7f9f68782ece6fc630ee111f10ba7cb0dabfe44b899018df73f541368d375f62fe82968eb404adc",
-//       is_coinbase: false,
-//       sequence: 4294967295,
-//     },
-//     {
-//       txid: "29c1da61a7f859bfb198406cdaf333eb2dffb0878217e9a91b0451d225f3b985",
-//       vout: 937,
-//       prevout: {
-//         scriptpubkey: "76a9147208148561e8ce36eb6961fde13c6e507c646b9588ac",
-//         scriptpubkey_asm:
-//           "OP_DUP OP_HASH160 OP_PUSHBYTES_20 7208148561e8ce36eb6961fde13c6e507c646b95 OP_EQUALVERIFY OP_CHECKSIG",
-//         scriptpubkey_type: "p2pkh",
-//         scriptpubkey_address: "1BPwiHhyyXMuFQJ4J2aU52anNM4j1GfVjY",
-//         value: 106018,
-//       },
-//       scriptsig:
-//         "483045022100ffc0e60d71e03701a4b8b17e19fae07f490929611bad0a7b1b60f02af141efd202201d1b56818d0edbbaf652478134b62e09510d1c41ec4d97eeec52014f379826bc8141049fd33ff7c01fd6f17e10bd220f7f64abc179ae6386b239d91ab8080e335c83f92b7a0e7d2e7127f3fdaf466b5ddc9fa645f9579385dbfb4bbbe76ad028300adc",
-//       scriptsig_asm:
-//         "OP_PUSHBYTES_72 3045022100ffc0e60d71e03701a4b8b17e19fae07f490929611bad0a7b1b60f02af141efd202201d1b56818d0edbbaf652478134b62e09510d1c41ec4d97eeec52014f379826bc81 OP_PUSHBYTES_65 049fd33ff7c01fd6f17e10bd220f7f64abc179ae6386b239d91ab8080e335c83f92b7a0e7d2e7127f3fdaf466b5ddc9fa645f9579385dbfb4bbbe76ad028300adc",
-//       is_coinbase: false,
-//       sequence: 4294967295,
-//     },
-//     {
-//       txid: "2cebf56a421673294603c5e1fbebd269fd74b30a6a3fdd48acbdbbca26b0225c",
-//       vout: 525,
-//       prevout: {
-//         scriptpubkey: "76a914571e43b6fe5098e761e86dfdde5e8e219eceb92988ac",
-//         scriptpubkey_asm:
-//           "OP_DUP OP_HASH160 OP_PUSHBYTES_20 571e43b6fe5098e761e86dfdde5e8e219eceb929 OP_EQUALVERIFY OP_CHECKSIG",
-//         scriptpubkey_type: "p2pkh",
-//         scriptpubkey_address: "18we3WFb3CpPBkkzCbBUcCSPKiVHrJYfPy",
-//         value: 111225,
-//       },
-//       scriptsig:
-//         "483045022100839d571b36720b7d10a0155caca8653b7d62a996b620ed29657c4b68eb3b9345022004f9ffd2f917825137d5e98a19b5294bc0c1e5c5f9f33172f953e3a75a763703814104a5e3ae2399d6aa527ec7f5bffc40e3dd5d4b9dc2d4f8c91e001f2d179042e144ca509b45f592e4f7cad65063a7fdfae757e19c2a39dce682e56f3179ad8387e3",
-//       scriptsig_asm:
-//         "OP_PUSHBYTES_72 3045022100839d571b36720b7d10a0155caca8653b7d62a996b620ed29657c4b68eb3b9345022004f9ffd2f917825137d5e98a19b5294bc0c1e5c5f9f33172f953e3a75a76370381 OP_PUSHBYTES_65 04a5e3ae2399d6aa527ec7f5bffc40e3dd5d4b9dc2d4f8c91e001f2d179042e144ca509b45f592e4f7cad65063a7fdfae757e19c2a39dce682e56f3179ad8387e3",
-//       is_coinbase: false,
-//       sequence: 4294967295,
-//     },
-//     {
-//       txid: "ced733236cd304eafcdbb10bfce1662d9f9ea6a8c3ca5f1fb9a61a67645c7ce6",
-//       vout: 0,
-//       prevout: {
-//         scriptpubkey: "76a914dfe6561dd4df2de04037168b7a84705d48fcec1988ac",
-//         scriptpubkey_asm:
-//           "OP_DUP OP_HASH160 OP_PUSHBYTES_20 dfe6561dd4df2de04037168b7a84705d48fcec19 OP_EQUALVERIFY OP_CHECKSIG",
-//         scriptpubkey_type: "p2pkh",
-//         scriptpubkey_address: "1MQscqDZ5S7uGsPXGBkGQS3GqDjd1rKQvE",
-//         value: 11761,
-//       },
-//       scriptsig:
-//         "483045022100daa4d98a46efb36a668b6ceec2d076ef80ae16fc754aec0ed0ecef536e6d565d02204b130560491ef754730ad87aa15f6f98ed48fa354be84ea796639ca2287ccba18141044591aa390ae7e5329fe8b29ba367c7e4fa65ec7147d727139862ac53ec25981c18a2826a89bc2a6fd19dae27328855cb8ffc37307c8634930e7ed81ce05a94c8",
-//       scriptsig_asm:
-//         "OP_PUSHBYTES_72 3045022100daa4d98a46efb36a668b6ceec2d076ef80ae16fc754aec0ed0ecef536e6d565d02204b130560491ef754730ad87aa15f6f98ed48fa354be84ea796639ca2287ccba181 OP_PUSHBYTES_65 044591aa390ae7e5329fe8b29ba367c7e4fa65ec7147d727139862ac53ec25981c18a2826a89bc2a6fd19dae27328855cb8ffc37307c8634930e7ed81ce05a94c8",
-//       is_coinbase: false,
-//       sequence: 4294967295,
-//     },
-//     {
-//       txid: "14de8d61ae9bc01491862372a909ba5ac8ec38941ccc8e2831f5f79a0951f529",
-//       vout: 275,
-//       prevout: {
-//         scriptpubkey: "76a914dd67ab7c4fa493e6e9eac33f3f72827d2109fde988ac",
-//         scriptpubkey_asm:
-//           "OP_DUP OP_HASH160 OP_PUSHBYTES_20 dd67ab7c4fa493e6e9eac33f3f72827d2109fde9 OP_EQUALVERIFY OP_CHECKSIG",
-//         scriptpubkey_type: "p2pkh",
-//         scriptpubkey_address: "1MBgXWBJZyPvCrTL56Jf533bHnET9RCd8L",
-//         value: 130541,
-//       },
-//       scriptsig:
-//         "473044022042bb90214771653e6511a64d22136e0b4001f5077724d461f17134c8fb38609b02206a23c74ca8879984e1aa617b918289a630f1a47a1c525534ece0506b89ea3df2814104844ecaf938d1610c746155ff15571e63ad890e3bdb51c2adabd7d5399a8a403877e0f92d5abb8bee5bb753e9fb622dc7449de58b830ea208f0b63ab2a663b072",
-//       scriptsig_asm:
-//         "OP_PUSHBYTES_71 3044022042bb90214771653e6511a64d22136e0b4001f5077724d461f17134c8fb38609b02206a23c74ca8879984e1aa617b918289a630f1a47a1c525534ece0506b89ea3df281 OP_PUSHBYTES_65 04844ecaf938d1610c746155ff15571e63ad890e3bdb51c2adabd7d5399a8a403877e0f92d5abb8bee5bb753e9fb622dc7449de58b830ea208f0b63ab2a663b072",
-//       is_coinbase: false,
-//       sequence: 4294967295,
-//     },
-//     {
-//       txid: "2cebf56a421673294603c5e1fbebd269fd74b30a6a3fdd48acbdbbca26b0225c",
-//       vout: 409,
-//       prevout: {
-//         scriptpubkey: "76a914dd67ab7c4fa493e6e9eac33f3f72827d2109fde988ac",
-//         scriptpubkey_asm:
-//           "OP_DUP OP_HASH160 OP_PUSHBYTES_20 dd67ab7c4fa493e6e9eac33f3f72827d2109fde9 OP_EQUALVERIFY OP_CHECKSIG",
-//         scriptpubkey_type: "p2pkh",
-//         scriptpubkey_address: "1MBgXWBJZyPvCrTL56Jf533bHnET9RCd8L",
-//         value: 108089,
-//       },
-//       scriptsig:
-//         "483045022100a1d233643d1e39211b681f2cf407c21472beb4303da6f6111bdf2de96191803b022047754e545a4d97ac32b2c7b9c4e23d2a2121ab9a299414ad03d5f6b52a28a33b814104844ecaf938d1610c746155ff15571e63ad890e3bdb51c2adabd7d5399a8a403877e0f92d5abb8bee5bb753e9fb622dc7449de58b830ea208f0b63ab2a663b072",
-//       scriptsig_asm:
-//         "OP_PUSHBYTES_72 3045022100a1d233643d1e39211b681f2cf407c21472beb4303da6f6111bdf2de96191803b022047754e545a4d97ac32b2c7b9c4e23d2a2121ab9a299414ad03d5f6b52a28a33b81 OP_PUSHBYTES_65 04844ecaf938d1610c746155ff15571e63ad890e3bdb51c2adabd7d5399a8a403877e0f92d5abb8bee5bb753e9fb622dc7449de58b830ea208f0b63ab2a663b072",
-//       is_coinbase: false,
-//       sequence: 4294967295,
-//     },
-//   ],
-//   vout: [
-//     {
-//       scriptpubkey: "76a914dba129909f56d7c889872cc691a4f8ff5c59f6fe88ac",
-//       scriptpubkey_asm:
-//         "OP_DUP OP_HASH160 OP_PUSHBYTES_20 dba129909f56d7c889872cc691a4f8ff5c59f6fe OP_EQUALVERIFY OP_CHECKSIG",
-//       scriptpubkey_type: "p2pkh",
-//       scriptpubkey_address: "1M2J3mZ53hf7GPMPPy8EPzEymdGW8cm9u6",
-//       value: 554914,
-//     },
-//   ],
-//   size: 1123,
-//   weight: 4492,
-//   fee: 27936,
-//   status: {
-//     confirmed: true,
-//     block_height: 834638,
-//     block_hash:
-//       "000000000000000000025f742c626208ac87e0b7d15054abb4a19ca2d735a54e",
-//     block_time: 1710405325,
-//   },
-//   hex: "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",
-// } as unknown as Transaction;
 
 const tx = {
   version: 2,
@@ -322,14 +182,7 @@ const tx = {
   ],
 } as unknown as Transaction;
 
-// const { serializedTx, serializedWTx } = txSerializer(
-//   tx as unknown as Transaction
-// );
-// console.log("serializedWTx", serializedWTx);
-// console.log(reversify(sha256(sha256(serializedTx))));
-// console.log(reversify(sha256(sha256(serializedWTx))));
 
-// console.log(txSerializer(tx));
 const txToBeSigned = txForSigning(tx, 0);
 const hash = sha256(sha256(txToBeSigned));
 
@@ -359,31 +212,3 @@ const res = pubkey.verify(
 );
 
 console.log(res);
-
-// console.log(
-//   reversify("b4948747cc3ddbc03e016c43d82087bf3fff63b856e887561005ec1acd2eb290")
-// );
-
-// console.log(res);
-
-// p2pkh
-//02000000|01|25c9f7c56ab4b9c358cb159175de542b41c7d38bf862a045fa5da51979e37ffb|01000000|6b|4830450221008f619822a97841ffd26eee942d41c1c4704022af2dd42600f006336ce686353a0220659476204210b21d605baab00bef7005ff30e878e911dc99413edb6c1e022acd012102c371793f2e19d1652408efef67704a2e9953a43a9dd54360d56fc93277a5667d|ffffffff|02|54e8050000000000|19|76a9141ef7874d338d24ecf6577e6eadeeee6cd579c67188ac|c891000000000000|19|76a9142e391b6c47778d35586b1f4154cbc6b06dc9840c88ac|00000000|
-//p2wpkh
-//version|witness|numInputs| input tx hash 1                             | input tx index 1 | scriptSig size | sequence|inputTxHash2                        |outputIndex2|scriptSig2|sequence2|num outputs| output value | output scriptpubkey size | output scriptpubkey
-//01000000|0001|02|de4879b9137defa55479f365334d67e59ef146c0146a71e70161ef7e7cc65fb4|01000000|00|ffffffff|e7b2f24ec6fde8d97cab15e885e68b45899a06ba4385c753793ed6ceb3771d56|00000000|00|ffffffff|02|a0b67600|0000000022|0020e84d3f6e5cbdc0edf746db92890753c7cbb0a5d56e046be6015819f3b4bd8abc|552a|00000000000016|0014a8f98809869fce19104d18efad1273e891973687|02|47|304402203e6a1971bbf6c42136fc8dfcf11efa115472ae063d0345f446b6383c2f17380b02204b126ed182a51bb32f90276fea4c7c0b9a9ba22df5d2fde7d3c45c0b5542265601|21|02e7d637bf72bdd26390a93535e7f70d0dc3091fc0768ac973d82d94fa09c48da5|02|47|3044022072f357d0ab64f4c828579eb1e8626d9b938b3d2948766f94add00859338bcd1a02200a52417f8b556154a5112ab4445e42b0e28a64e09fe6bdea2712cb59e447056f01|21|02e7d637bf72bdd26390a93535e7f70d0dc3091fc0768ac973d82d94fa09c48da5|00000000
-//p2wsh
-//02000000|0001|01|30d1c40780728b4e30c53333fa7e38bd8ebed021c05ec135592ad17a078513a5|00000000|00|fdffffff|03|43721600|0000000022|0020d333523199087a0d8faad8667ba5540d93b7041ce0af2f10248565edb86a55fc|52e86d02|0000000022|0020af9746c91370a2132c85fad6641650e5c160f3522b748b15120d03695dcfd4c3|6e8cf000|0000000016|0014bb9daf27204b53a37612eace73520b0774c119f8|0548|3045022100f9beb9585cc5b8487264898c532c10c862d24b98a53688ddf2b6800bb049d6b2022001d3ce09fa560efafe553214356151dde3046463214939b34cf27500969c83fd01|21|030681010e3431c0a31da520cf46a2b2c1d645a0d486918139f7e3f8c7fda677ab|20|1769d10a9a7e8506e14edc4801e40cc24699ec4d4086ddcc186e33fe458470c6|01|01|5b|63a820406af310092ba4cc3d12b65d573c0acd25d63a97905c8cf38a77b524dee657e88876a914bb9daf27204b53a37612eace73520b0774c119f867022001b27576a9142c3debdb231b31b42a8877fc3b16de014b13f10b6888ac|00000000
-//01000000000102
-// input txhash1: de4879b9137defa55479f365334d67e59ef146c0146a71e70161ef7e7cc65fb4
-
-// const j =
-//   "01000000000101bb3b4760944489ec9bed5d5fb002f33b3dda278784d7faef371067e518c97d3b1000000000ffffffff02a0860100000000001976a9146085312a9c500ff9cc35b571b0a1e5efb7fb9f1688ac163d340200000000160014ad4cc1cc859c57477bf90d0f944360d90a3998bf024730440220780ad409b4d13eb1882aaf2e7a53a206734aa302279d6859e254a7f0a7633556022011fd0cbdf5d4374513ef60f850b7059c6a093ab9e46beb002505b7cba0623cf30121022bf8c45da789f695d59f93983c813ec205203056e19ec5d3fbefa809af67e2ec00000000";
-// const a =
-//   "01000000000101bb3b4760944489ec9bed5d5fb002f33b3dda278784d7faef371067e518c97d3b1000000000ffffffff02a0860100000000001976a9146085312a9c500ff9cc35b571b0a1e5efb7fb9f1688ac163d340200000000160014ad4cc1cc859c57477bf90d0f944360d90a3998bf028e30440220780ad409b4d13eb1882aaf2e7a53a206734aa302279d6859e254a7f0a7633556022011fd0cbdf5d4374513ef60f850b7059c6a093ab9e46beb002505b7cba0623cf30142022bf8c45da789f695d59f93983c813ec205203056e19ec5d3fbefa809af67e2ec00000000";
-
-// for (let i = 0; i < j.length; i++) {
-//   if (j[i] !== a[i]) {
-//     console.log(a.slice(i));
-//     console.log(i);
-//   }
-// }
diff --git a/src/features/script/executor.ts b/src/features/script/executor.ts
@@ -138,7 +138,6 @@ const testExecutor = () => {
     .createHash("sha256")
     .update(Buffer.from(script, "hex"))
     .digest("hex");
-  console.log(sha256);
 };
 
 testExecutor();
diff --git a/src/index.ts b/src/index.ts
@@ -1,11 +1,15 @@
 import * as fs from "fs";
 import { Transaction } from "./types";
-
+// import { mempool } from "./store/mempool";
+import { utxos } from "./store/utxos";
+import { LengthValidator } from "./features/validator/length";
+import { HashValidator } from "./features/validator/hash";
 import { reversify, sha256 } from "./utils";
 import { txSerializer, txWeight } from "./features/encoding/serializer";
 import { feePerByte } from "./features/block/fee";
 import { mine } from "./features/block/mine";
 import * as path from "path";
+import * as bitcoin from "bitcoinjs-lib";
 
 (async () => {
   const files = fs.readdirSync("./mempool");
@@ -16,7 +20,10 @@ import * as path from "path";
 
   for (const file of files) {
     const tx = JSON.parse(fs.readFileSync(`./mempool/${file}`, "utf8"));
-
+    // mempool.set(`${file}`.split(".")[0], {
+    //   ...tx,
+    //   txid: `${file}`.split(".")[0],
+    // });
     mempool.push(tx);
   }
 
@@ -31,9 +38,17 @@ import * as path from "path";
   }
 
   const { serializedBlock, blockHash, coinbaseTransaction } = mine(txs);
+
+  const ct = bitcoin.Transaction.fromHex(
+    txSerializer(coinbaseTransaction).serializedWTx
+  );
+
   fs.writeFileSync(outputFile, serializedBlock);
   fs.appendFileSync(outputFile, "\n");
-  fs.appendFileSync(outputFile, txSerializer(coinbaseTransaction).serializedTx);
+  fs.appendFileSync(
+    outputFile,
+    txSerializer(coinbaseTransaction).serializedWTx
+  );
   fs.appendFileSync(outputFile, "\n");
   fs.appendFileSync(
     outputFile,

diff --git a/src/utils.ts b/src/utils.ts
@@ -31,4 +31,3 @@ export const reversify = (str: string) => {
     .join("");
 };
 
-
Original file line number	Diff line number	Diff line change
Expand Up		@@ -31,4 +31,3 @@ export const reversify = (str: string) => {
		.join("");
		};