extrapolate logic to function to reduce redundancy

packages/signers/src/signers/utils/client.ts

@@ -100,36 +100,25 @@ export class AAClient extends SigningCosmWasmClient {
   }
 
   /**
-   * Create and a cosmwasm add authenticator msg to the abstract account
-   * @param msg the message to be sent
-   * @returns
+   * Simulates a transaction to estimate the gas and calculates the default fee.
+   *
+   * @param {string} sender - The address of the sender.
+   * @param {readonly EncodeObject[]} messages - An array of messages to include in the transaction.
+   * @param {string | undefined} memo - An optional memo to include in the transaction.
+   * @returns {Promise<StdFee>} - The calculated default fee for the transaction.
    */
-  public async addAbstractAccountAuthenticator(
-    msg: AddAuthenticator,
-    memo = "",
-    fee?: StdFee,
-  ): Promise<DeliverTxResponse> {
-    if (!this.abstractSigner.abstractAccount) {
-      throw new Error("Abstract account address not set in signer");
-    }
-    const sender = this.abstractSigner.abstractAccount;
-    const addMsg: MsgExecuteContractEncodeObject = {
-      typeUrl: "/cosmwasm.wasm.v1.MsgExecuteContract",
-      value: MsgExecuteContract.fromPartial({
-        sender,
-        contract: sender,
-        msg: Buffer.from(JSON.stringify(msg), "utf-8"),
-        funds: [],
-      }),
-    };
-
+  private async simulateDefaultFee(
+    sender: string,
+    messages: readonly EncodeObject[],
+    memo: string | undefined,
+  ): Promise<StdFee> {
     const {
       gasPrice: gasPriceString,
       gasAdjustment,
       gasAdjustmentMargin,
     } = xionGasValues;
 
-    const simmedGas = await this.simulate(sender, [addMsg], memo);
+    const simmedGas = await this.simulate(sender, messages, memo);
     const gasPrice = GasPrice.fromString(gasPriceString);
     const calculatedFee: StdFee = calculateFee(
       simmedGas * gasAdjustment,
@@ -150,6 +139,35 @@ export class AAClient extends SigningCosmWasmClient {
       defaultFee = { amount: calculatedFee.amount, gas: gas };
     }
 
+    return defaultFee;
+  }
+
+  /**
+   * Create and a cosmwasm add authenticator msg to the abstract account
+   * @param msg the message to be sent
+   * @returns
+   */
+  public async addAbstractAccountAuthenticator(
+    msg: AddAuthenticator,
+    memo = "",
+    fee?: StdFee,
+  ): Promise<DeliverTxResponse> {
+    if (!this.abstractSigner.abstractAccount) {
+      throw new Error("Abstract account address not set in signer");
+    }
+    const sender = this.abstractSigner.abstractAccount;
+    const addMsg: MsgExecuteContractEncodeObject = {
+      typeUrl: "/cosmwasm.wasm.v1.MsgExecuteContract",
+      value: MsgExecuteContract.fromPartial({
+        sender,
+        contract: sender,
+        msg: Buffer.from(JSON.stringify(msg), "utf-8"),
+        funds: [],
+      }),
+    };
+
+    const defaultFee = await this.simulateDefaultFee(sender, [addMsg], memo);
+
     const tx = await this.sign(sender, [addMsg], fee || defaultFee, memo);
     return this.broadcastTx(TxRaw.encode(tx).finish());
   }
@@ -178,32 +196,7 @@ export class AAClient extends SigningCosmWasmClient {
       }),
     };
 
-    const {
-      gasPrice: gasPriceString,
-      gasAdjustment,
-      gasAdjustmentMargin,
-    } = xionGasValues;
-
-    const simmedGas = await this.simulate(sender, [addMsg], memo);
-    const gasPrice = GasPrice.fromString(gasPriceString);
-    const calculatedFee: StdFee = calculateFee(
-      simmedGas * gasAdjustment,
-      gasPrice,
-    );
-
-    let defaultFee: StdFee;
-    let gas = (
-      parseInt(calculatedFee.gas) * gasAdjustment +
-      gasAdjustmentMargin
-    ).toString();
-
-    const chainId = await this.getChainId();
-
-    if (/testnet/.test(chainId)) {
-      defaultFee = { amount: [{ amount: "0", denom: "uxion" }], gas: gas };
-    } else {
-      defaultFee = { amount: calculatedFee.amount, gas: gas };
-    }
+    const defaultFee = await this.simulateDefaultFee(sender, [addMsg], memo);
 
     const tx = await this.sign(sender, [addMsg], fee || defaultFee, memo);
     return this.broadcastTx(TxRaw.encode(tx).finish());