diff --git a/.changeset/great-buses-talk.md b/.changeset/great-buses-talk.md
new file mode 100644
index 000000000..cd84cc5e4
--- /dev/null
+++ b/.changeset/great-buses-talk.md
@@ -0,0 +1,5 @@
+---
+"@ckb-lumos/rpc": minor
+---
+
+feat: add rpc `test_tx_pool_accept` https://github.com/nervosnetwork/ckb/pull/4433
diff --git a/.changeset/lemon-jobs-walk.md b/.changeset/lemon-jobs-walk.md
new file mode 100644
index 000000000..ccfc681f1
--- /dev/null
+++ b/.changeset/lemon-jobs-walk.md
@@ -0,0 +1,6 @@
+---
+"@ckb-lumos/base": minor
+"@ckb-lumos/rpc": minor
+---
+
+feat: added the `conflicted` field to `get_raw_tx_pool` https://github.com/nervosnetwork/ckb/pull/4339
diff --git a/.changeset/small-cups-divide.md b/.changeset/small-cups-divide.md
new file mode 100644
index 000000000..fdc5452ae
--- /dev/null
+++ b/.changeset/small-cups-divide.md
@@ -0,0 +1,5 @@
+---
+"@ckb-lumos/rpc": minor
+---
+
+fix: added `well_known_scripts_only` to `OutputValidator`
diff --git a/packages/base/src/api.ts b/packages/base/src/api.ts
index a350afdec..8e90b07bd 100644
--- a/packages/base/src/api.ts
+++ b/packages/base/src/api.ts
@@ -349,6 +349,7 @@ export interface TxPoolVerbosity {
   proposed: {
     [key: string]: TxVerbosity;
   };
+  conflicted: Hash[];
 }
 
 export type RawTxPool = TxPoolIds | TxPoolVerbosity;
diff --git a/packages/rpc/__tests__/ckb-rpc-helpers.js b/packages/rpc/__tests__/ckb-rpc-helpers.js
index 85607d63e..78797b8a5 100644
--- a/packages/rpc/__tests__/ckb-rpc-helpers.js
+++ b/packages/rpc/__tests__/ckb-rpc-helpers.js
@@ -33,7 +33,7 @@ describe('ckb-rpc settings and helpers', () => {
   })
 
   it('has 47 basic rpc', () => {
-    expect(Object.values(rpc)).toHaveLength(47)
+    expect(Object.values(rpc)).toHaveLength(48)
   })
 
   it('set node url to http://test.localhost:8114', () => {
diff --git a/packages/rpc/__tests__/exceptions/fixtures.json b/packages/rpc/__tests__/exceptions/fixtures.json
index 75fd2bbc8..72ff53248 100644
--- a/packages/rpc/__tests__/exceptions/fixtures.json
+++ b/packages/rpc/__tests__/exceptions/fixtures.json
@@ -31,7 +31,7 @@
     "params": [],
     "expected": {
       "code": 101,
-      "message": "Expect outputs validator to be 'default' or 'passthrough'"
+      "message": "Expect outputs validator to be 'well_known_scripts_only' or 'passthrough'"
     }
   },
   "BigintOrHexStringTypeException": {
diff --git a/packages/rpc/__tests__/formatters/params.fixtures.json b/packages/rpc/__tests__/formatters/params.fixtures.json
index 09e14a554..bb340a883 100644
--- a/packages/rpc/__tests__/formatters/params.fixtures.json
+++ b/packages/rpc/__tests__/formatters/params.fixtures.json
@@ -322,8 +322,8 @@
       "expected": "undefined"
     },
     {
-      "param": "default",
-      "expected": "default"
+      "param": "well_known_scripts_only",
+      "expected": "well_known_scripts_only"
     },
     {
       "param": "passthrough",
@@ -335,7 +335,7 @@
     },
     {
       "param": "unknown",
-      "exception": "Expect outputs validator to be 'default' or 'passthrough'"
+      "exception": "Expect outputs validator to be 'well_known_scripts_only' or 'passthrough'"
     }
   ],
   "toBoolean": [
diff --git a/packages/rpc/src/Base/index.ts b/packages/rpc/src/Base/index.ts
index 00283c51e..b5ca6bcab 100644
--- a/packages/rpc/src/Base/index.ts
+++ b/packages/rpc/src/Base/index.ts
@@ -483,11 +483,13 @@ export interface Base {
    */
   getForkBlock(
     blockHash: CKBComponents.Hash256,
-    verbosity?: 2n | "0x2"
+    // eslint-disable-next-line @typescript-eslint/no-magic-numbers
+    verbosity?: 2 | 2n | "0x2"
   ): Promise<CKBComponents.BlockView | null>;
   getForkBlock(
     blockHash: CKBComponents.Hash256,
-    verbosity: 0n | "0x0"
+    // eslint-disable-next-line @typescript-eslint/no-magic-numbers
+    verbosity: 0 | 0n | "0x0"
   ): Promise<CKBComponents.SerializedBlock | null>;
 
   /**
@@ -534,6 +536,11 @@ export interface Base {
   ) => Promise<CKBComponents.FeeRateStatistics>;
 
   getDeploymentsInfo: () => Promise<CKBComponents.DeploymentsInfo>;
+
+  testTxPoolAccept: (
+    tx: CKBComponents.RawTransaction,
+    outputsValidator?: CKBComponents.OutputsValidator
+  ) => Promise<CKBComponents.EntryCompleted>;
 }
 
 export class Base {
diff --git a/packages/rpc/src/Base/pool.ts b/packages/rpc/src/Base/pool.ts
index a5d9a3364..caa8e2f14 100644
--- a/packages/rpc/src/Base/pool.ts
+++ b/packages/rpc/src/Base/pool.ts
@@ -27,4 +27,12 @@ export default {
     paramsFormatters: [],
     resultFormatters: resultFmts.toRawTxPool,
   },
+
+  testTxPoolAccept: {
+    method: "test_tx_pool_accept",
+    paramsFormatters: [
+      paramsFmts.toRawTransaction,
+      paramsFmts.toOutputsValidator,
+    ],
+  },
 };
diff --git a/packages/rpc/src/exceptions/formatter.ts b/packages/rpc/src/exceptions/formatter.ts
index 35d1499a6..d7bfc42b3 100644
--- a/packages/rpc/src/exceptions/formatter.ts
+++ b/packages/rpc/src/exceptions/formatter.ts
@@ -25,7 +25,9 @@ export class OutputsValidatorTypeException extends TypeError {
   code = ErrorCode.ParameterInvalid;
 
   constructor() {
-    super(`Expect outputs validator to be 'default' or 'passthrough'`);
+    super(
+      `Expect outputs validator to be 'well_known_scripts_only' or 'passthrough'`
+    );
   }
 }
 
diff --git a/packages/rpc/src/paramsFormatter.ts b/packages/rpc/src/paramsFormatter.ts
index 7fb71111a..8fab50cf3 100644
--- a/packages/rpc/src/paramsFormatter.ts
+++ b/packages/rpc/src/paramsFormatter.ts
@@ -140,7 +140,7 @@ export const formatter = {
   toReverseOrder: (reverse = false) => !!reverse,
   toOutputsValidator: (outputsValidator: CKBComponents.OutputsValidator) => {
     if (!outputsValidator) return undefined;
-    const VALIDATORS = ["default", "passthrough"];
+    const VALIDATORS = ["well_known_scripts_only", "passthrough"];
     if (VALIDATORS.indexOf(outputsValidator) > -1) {
       return outputsValidator;
     }
diff --git a/packages/rpc/src/resultFormatter.ts b/packages/rpc/src/resultFormatter.ts
index 141be2d26..d89c583c6 100644
--- a/packages/rpc/src/resultFormatter.ts
+++ b/packages/rpc/src/resultFormatter.ts
@@ -1,4 +1,3 @@
-/* eslint-disable camelcase, @typescript-eslint/no-explicit-any */
 import { CKBComponents } from "./types/api";
 import { RPC } from "./types/rpc";
 
@@ -138,18 +137,27 @@ const toTip = (tip: RPC.Tip): CKBComponents.Tip => ({
   blockNumber: tip.block_number,
 });
 
+function isBlockWithCycles(value: unknown): value is BlockWithCycles {
+  return (
+    !!value &&
+    typeof value === "object" &&
+    "block" in value &&
+    "cycles" in value
+  );
+}
+
 type BlockWithCycles = { block: RPC.Block | string; cycles: string[] };
 function toBlock(block: string): string;
 function toBlock(block: RPC.Block): CKBComponents.Block;
 function toBlock<T extends BlockWithCycles>(block: T): T;
-function toBlock(res: string | RPC.Block | BlockWithCycles): any {
+function toBlock(res: string | RPC.Block | BlockWithCycles): unknown {
   if (!res) return res;
   if (typeof res === "string") return res;
 
-  if ("block" in res && "cycles" in res) {
+  if (isBlockWithCycles(res)) {
     return {
       cycles: res.cycles,
-      block: toBlock(res.block as any),
+      block: toBlock(res.block as RPC.Block),
     };
   }
 
@@ -643,7 +651,7 @@ const toRawTxPool = (rawTxPool: RPC.RawTxPool): CKBComponents.RawTxPool => {
     pending[hash] = toTxVerbosity(rawTxPool.pending[hash]);
   });
 
-  return { proposed, pending };
+  return { proposed, pending, conflicted: rawTxPool.conflicted };
 };
 
 const toIndexerCell = (
@@ -881,4 +889,3 @@ export {
   toDeploymentInfo,
   toDeploymentsInfo,
 };
-/* eslint-enable camelcase */
diff --git a/packages/rpc/src/types/api.ts b/packages/rpc/src/types/api.ts
index 169a8eab8..1e066e14f 100644
--- a/packages/rpc/src/types/api.ts
+++ b/packages/rpc/src/types/api.ts
@@ -25,7 +25,10 @@ export namespace CKBComponents {
   export type Nonce = string;
   export type Cycles = string;
   export type Size = string;
-  export type OutputsValidator = "default" | "passthrough" | undefined;
+  export type OutputsValidator =
+    | "well_known_scripts_only"
+    | "passthrough"
+    | undefined;
   export type RationalU256 = Record<"denom" | "numer", string>;
   export type ProposalWindow = Record<"closest" | "farthest", BlockNumber>;
   export type EpochNumberWithFraction = string;
@@ -35,7 +38,7 @@ export namespace CKBComponents {
     Proposed = "proposed",
     Committed = "committed",
   }
-
+  export type Cycle = string;
   export type ScriptHashType = api.HashType;
 
   export type DepType = "code" | "depGroup";
@@ -316,6 +319,12 @@ export namespace CKBComponents {
   }
 
   export type DeploymentPos = api.DeploymentPos;
+
+  export interface EntryCompleted {
+    cycles: Cycle;
+    /// Cached tx fee
+    fee: Capacity;
+  }
   export type DeploymentState = api.DeploymentState;
   export type DeploymentInfo = api.DeploymentInfo;
   export type DeploymentsInfo = api.DeploymentsInfo;
diff --git a/packages/rpc/src/types/rpc.ts b/packages/rpc/src/types/rpc.ts
index a940aa54c..2074af2a3 100644
--- a/packages/rpc/src/types/rpc.ts
+++ b/packages/rpc/src/types/rpc.ts
@@ -330,10 +330,15 @@ export namespace RPC {
     ancestors_count: Count;
   }
 
-  export type TxPoolVerbosity = Record<
-    "pending" | "proposed",
-    Record<Hash256, TxVerbosity>
-  >;
+  export interface TxPoolVerbosity {
+    pending: {
+      [key: string]: TxVerbosity;
+    };
+    proposed: {
+      [key: string]: TxVerbosity;
+    };
+    conflicted: Hash[];
+  }
 
   export type RawTxPool = TxPoolIds | TxPoolVerbosity;
 
@@ -544,4 +549,9 @@ export namespace RPC {
     is_initial_block_download: boolean;
     alerts: Vec<AlertMessage>;
   }
+
+  export interface EntryCompleted {
+    cycles: Cycles;
+    fee: Capacity;
+  }
 }