Merge pull request #121 from BootNodeDev/fantom-nonce

 fix: phantom nonce generation

Author: fernandomg

typescript/solver/NonceKeeperWallet.ts

@@ -8,6 +8,9 @@ import type {
 import { Wallet } from "@ethersproject/wallet";
 import type { Wordlist } from "@ethersproject/wordlists";
 
+import { Logger } from "@ethersproject/logger";
+const ethersLogger = new Logger("NonceKeeperWallet");
+
 import { log } from "./logger.js";
 
 const nonces: Record<number, Promise<number>> = {};
@@ -29,6 +32,13 @@ export class NonceKeeperWallet extends Wallet {
   async sendTransaction(
     transaction: Deferrable<TransactionRequest>,
   ): Promise<TransactionResponse> {
+    try {
+      // this check is necessary in order to not generate new nonces when a tx is going to fail
+      await super.estimateGas(transaction);
+    } catch (error) {
+      checkError(error, {transaction});
+    }
+
     if (transaction.nonce == null) {
       transaction.nonce = await this.getNextNonce();
     }
@@ -52,3 +62,53 @@ export class NonceKeeperWallet extends Wallet {
     );
   }
 }
+
+function checkError(error: any, params: any): any {
+  const transaction = params.transaction || params.signedTransaction;
+
+  let message = error.message;
+  if (error.code === Logger.errors.SERVER_ERROR && error.error && typeof(error.error.message) === "string") {
+      message = error.error.message;
+  } else if (typeof(error.body) === "string") {
+      message = error.body;
+  } else if (typeof(error.responseText) === "string") {
+      message = error.responseText;
+  }
+  message = (message || "").toLowerCase();
+
+  // "insufficient funds for gas * price + value + cost(data)"
+  if (message.match(/insufficient funds|base fee exceeds gas limit/i)) {
+      ethersLogger.throwError("insufficient funds for intrinsic transaction cost", Logger.errors.INSUFFICIENT_FUNDS, {
+          error, transaction
+      });
+  }
+
+  // "nonce too low"
+  if (message.match(/nonce (is )?too low/i)) {
+      ethersLogger.throwError("nonce has already been used", Logger.errors.NONCE_EXPIRED, {
+          error, transaction
+      });
+  }
+
+  // "replacement transaction underpriced"
+  if (message.match(/replacement transaction underpriced|transaction gas price.*too low/i)) {
+      ethersLogger.throwError("replacement fee too low", Logger.errors.REPLACEMENT_UNDERPRICED, {
+          error, transaction
+      });
+  }
+
+  // "replacement transaction underpriced"
+  if (message.match(/only replay-protected/i)) {
+      ethersLogger.throwError("legacy pre-eip-155 transactions not supported", Logger.errors.UNSUPPORTED_OPERATION, {
+          error, transaction
+      });
+  }
+
+  if (message.match(/gas required exceeds allowance|always failing transaction|execution reverted/)) {
+      ethersLogger.throwError("cannot estimate gas; transaction may fail or may require manual gas limit", Logger.errors.UNPREDICTABLE_GAS_LIMIT, {
+          error, transaction
+      });
+  }
+
+  throw error;
+}