typescript to get block

.gitignore

+node_modules
\ No newline at end of file

helpers/get_block.ts

+import { ethers } from 'ethers'
+import assert from 'assert'
+import fs from 'fs'
+
+const keccak256 = ethers.utils.keccak256
+const rlp = require('rlp')
+
+// local geth
+const provider = new ethers.providers.JsonRpcProvider('http://192.168.1.213:8545')
+
+function getBlockRlp(block : any) {
+  let dat = [
+    block['parentHash'],
+    block['sha3Uncles'],
+    block['miner'],
+    block['stateRoot'],
+    block['transactionsRoot'],
+    block['receiptsRoot'],
+    block['logsBloom'],
+    block['difficulty'],
+    block['number'],
+    block['gasLimit'],
+    block['gasUsed'],
+    block['timestamp'],
+    block['extraData'],
+    block['mixHash'],
+    block['nonce'],
+    block['baseFeePerGas']
+  ];
+  // special case for 0
+  dat = dat.map((x) => (x == "0x0") ? "0x" : x)
+  return rlp.encode(dat);
+}
+
+async function main() {
+  const blockNumber = 13247502;
+  let blockData = await provider.send("eth_getBlockByNumber", ["0x"+(blockNumber).toString(16), true])
+  const blockHeaderRlp = getBlockRlp(blockData)
+  assert(keccak256(blockHeaderRlp) == blockData['hash'])
+  fs.writeFileSync(`data/block_${blockNumber}`, blockHeaderRlp)
+}
+
+main().then(() => process.exit(0))

minigeth/main.go

@@ -4,12 +4,15 @@ import (
 	"fmt"
 
 	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/params"
 )
 
 func main() {
 	bc := &core.BlockChain{}
 	//engine := ethash.NewFullFaker()
-	core.NewStateProcessor(params.MainnetChainConfig, bc, nil)
+	statedb := &state.StateDB{}
+	processor := core.NewStateProcessor(params.MainnetChainConfig, bc, nil)
 	fmt.Println("made state processor")
+	processor.Process()
 }

package.json

+{
+  "dependencies": {
+    "@types/node": "^16.9.2",
+    "ethers": "^5.4.7",
+    "rlp": "^2.2.6",
+    "typescript": "^4.4.3"
+  }
+}