web3js: Override web3.eth.sendSignedTransaction

web3js-ext/example/valueTransfer.js

@@ -5,6 +5,8 @@ const priv = "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
 const addr = "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266";
 const to = "0x70997970c51812dc3a010c7d01b50e0d17dc79c8";
 const url = "http://localhost:8545";
+const contractAddr = "0x5FbDB2315678afecb367f032d93F642f64180aa3";
+const data_increment = "0xd09de08a"; // Counter.sol:increment()
 
 async function main() {
   let provider = new Web3.providers.HttpProvider(url);
@@ -15,34 +17,35 @@ async function main() {
   let sender = web3.eth.accounts.privateKeyToAccount(priv);
   console.log({ sender });
 
+  /*
   let tx = {
     from: sender.address,
     to: to,
     value: 1e9,
     // nonce: await web3.eth.getTransactionCount(addr),
     // gas: 21000,
-    gasPrice: 25e9,
-    type: 8,
+    // gasPrice: 25e9,
+    type: 0x08,
   };
+  /*/
+  let tx = {
+    from: sender.address,
+    to: contractAddr,
+    value: 0,
+    nonce: await web3.eth.getTransactionCount(addr),
+    gas: 100_000,
+    gasPrice: 25e9,
+    data: data_increment,
+    data: "0xdeadbeef", // trigger error
+    type: 0x30,
+  }
+  //*/
 
   let signResult = await web3.eth.accounts.signTransaction(tx, sender.privateKey);
   console.log({ signResult });
 
-  //*
-  // TODO: auto-assign jsonrpc and id fields
-  let sendResult = await web3.eth.provider.request({
-    jsonrpc: "2.0", id: "1",
-    method: "klay_sendRawTransaction", params: [signResult.rawTransaction] });
-  let txhash = sendResult.result;
-  console.log({ sendResult });
-
-  // web3.eth.sendSignedTransaction would wait for tx mining, but provider.requestt do not.
-  // TODO: modify sendSignedTransaction to use klay_sendRawTransaction
-  await new Promise((r) => setTimeout(r, 2000));
-  /*/
   let sendResult = await web3.eth.sendSignedTransaction(signResult.rawTransaction);
   let txhash = sendResult.transactionHash;
-  //*/
 
   let receipt = await web3.eth.getTransactionReceipt(txhash);
   console.log({ receipt });

web3js-ext/src/web3/klaytn_tx.ts

@@ -22,7 +22,7 @@ const web3jsAllowedTransactionKeys = [
 
 // web3.js may strip or reject some Klaytn-specific transaction fields.
 // To prserve transaction fields around web3js function calls, use saveCustomFields.
-function saveCustomFields(tx: any): any {
+export function saveCustomFields(tx: any): any {
   // Save fields that are not allowed in web3.js
   const savedFields: any = {};
   for (const key in tx) {
@@ -58,7 +58,7 @@ export async function prepareTransaction(
 
     let txData = { ...tx, ...savedFields };
 
-    // Below fields might
+    // Below fields might be
     // (1) not specified at the first place,
     // (2) or lost during prepareTransactionForSigning,
     // (3) or not populated by prepareTransactionForSigning.
@@ -129,6 +129,7 @@ export class KlaytnTx extends LegacyTransaction {
       value:    toHex(this.value),
       from:     this.from ? this.from : undefined,
       data:     bytesToHex(this.data),
+      input:    bytesToHex(this.data),
       chainId:  this.chainId ? toHex(this.chainId) : undefined,
     });
     if (this.v && this.r && this. s) {