diff --git a/test-helpers/package.json b/test-helpers/package.json
index 84e6060..dae30b7 100644
--- a/test-helpers/package.json
+++ b/test-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tensor-foundation/test-helpers",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "description": "Utility functions for testing Solana programs with the Solana Web3.js library",
   "sideEffects": false,
   "module": "./dist/src/index.mjs",
diff --git a/test-helpers/src/index.ts b/test-helpers/src/index.ts
index 1fd1719..49fc122 100644
--- a/test-helpers/src/index.ts
+++ b/test-helpers/src/index.ts
@@ -2,5 +2,6 @@ export * from './addresses';
 export * from './constants';
 export * from './programIds';
 export * from './setup';
+export * from './shared';
 export * from './token';
 export * from './wns';
diff --git a/test-helpers/src/shared/errors.ts b/test-helpers/src/shared/errors.ts
index 4c5937d..736333d 100644
--- a/test-helpers/src/shared/errors.ts
+++ b/test-helpers/src/shared/errors.ts
@@ -7,3 +7,81 @@ export const TENSOR_ERROR__BAD_METADATA = 9006;
 export const TENSOR_ERROR__BAD_RULE_SET = 9007;
 export const TENSOR_ERROR__INVALID_CORE_ASSET = 9008;
 export const TENSOR_ERROR__INVALID_FEE_ACCOUNT = 9009;
+
+export const ANCHOR_ERROR__INSTRUCTION_MISSING = 100;
+export const ANCHOR_ERROR__INSTRUCTION_FALLBACK_NOT_FOUND = 101;
+export const ANCHOR_ERROR__INSTRUCTION_DID_NOT_DESERIALIZE = 102;
+export const ANCHOR_ERROR__INSTRUCTION_DID_NOT_SERIALIZE = 103;
+export const ANCHOR_ERROR__IDL_INSTRUCTION_STUB = 1000;
+export const ANCHOR_ERROR__IDL_INSTRUCTION_INVALID_PROGRAM = 1001;
+export const ANCHOR_ERROR__IDL_ACCOUNT_NOT_EMPTY = 1002;
+export const ANCHOR_ERROR__EVENT_INSTRUCTION_STUB = 1500;
+export const ANCHOR_ERROR__CONSTRAINT_MUT = 2000;
+export const ANCHOR_ERROR__CONSTRAINT_HAS_ONE = 2001;
+export const ANCHOR_ERROR__CONSTRAINT_SIGNER = 2002;
+export const ANCHOR_ERROR__CONSTRAINT_RAW = 2003;
+export const ANCHOR_ERROR__CONSTRAINT_OWNER = 2004;
+export const ANCHOR_ERROR__CONSTRAINT_RENT_EXEMPT = 2005;
+export const ANCHOR_ERROR__CONSTRAINT_SEEDS = 2006;
+export const ANCHOR_ERROR__CONSTRAINT_EXECUTABLE = 2007;
+export const ANCHOR_ERROR__CONSTRAINT_STATE = 2008;
+export const ANCHOR_ERROR__CONSTRAINT_ASSOCIATED = 2009;
+export const ANCHOR_ERROR__CONSTRAINT_ASSOCIATED_INIT = 2010;
+export const ANCHOR_ERROR__CONSTRAINT_CLOSE = 2011;
+export const ANCHOR_ERROR__CONSTRAINT_ADDRESS = 2012;
+export const ANCHOR_ERROR__CONSTRAINT_ZERO = 2013;
+export const ANCHOR_ERROR__CONSTRAINT_TOKEN_MINT = 2014;
+export const ANCHOR_ERROR__CONSTRAINT_TOKEN_OWNER = 2015;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_MINT_AUTHORITY = 2016;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_FREEZE_AUTHORITY = 2017;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_DECIMALS = 2018;
+export const ANCHOR_ERROR__CONSTRAINT_SPACE = 2019;
+export const ANCHOR_ERROR__CONSTRAINT_ACCOUNT_IS_NONE = 2020;
+export const ANCHOR_ERROR__CONSTRAINT_TOKEN_TOKEN_PROGRAM = 2021;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_TOKEN_PROGRAM = 2022;
+export const ANCHOR_ERROR__CONSTRAINT_ASSOCIATED_TOKEN_TOKEN_PROGRAM = 2023;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_GROUP_POINTER_EXTENSION = 2024;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_GROUP_POINTER_EXTENSION_AUTHORITY = 2025;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_GROUP_POINTER_EXTENSION_GROUP_ADDRESS = 2026;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_GROUP_MEMBER_POINTER_EXTENSION = 2027;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_GROUP_MEMBER_POINTER_EXTENSION_AUTHORITY = 2028;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_GROUP_MEMBER_POINTER_EXTENSION_MEMBER_ADDRESS = 2029;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_METADATA_POINTER_EXTENSION = 2030;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_METADATA_POINTER_EXTENSION_AUTHORITY = 2031;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_METADATA_POINTER_EXTENSION_METADATA_ADDRESS = 2032;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_CLOSE_AUTHORITY_EXTENSION = 2033;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_CLOSE_AUTHORITY_EXTENSION_AUTHORITY = 2034;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_PERMANENT_DELEGATE_EXTENSION = 2035;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_PERMANENT_DELEGATE_EXTENSION_DELEGATE = 2036;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_TRANSFER_HOOK_EXTENSION = 2037;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_TRANSFER_HOOK_EXTENSION_AUTHORITY = 2038;
+export const ANCHOR_ERROR__CONSTRAINT_MINT_TRANSFER_HOOK_EXTENSION_PROGRAM_ID = 2039;
+export const ANCHOR_ERROR__REQUIRE_VIOLATED = 2500;
+export const ANCHOR_ERROR__REQUIRE_EQ_VIOLATED = 2501;
+export const ANCHOR_ERROR__REQUIRE_KEYS_EQ_VIOLATED = 2502;
+export const ANCHOR_ERROR__REQUIRE_NEQ_VIOLATED = 2503;
+export const ANCHOR_ERROR__REQUIRE_KEYS_NEQ_VIOLATED = 2504;
+export const ANCHOR_ERROR__REQUIRE_GT_VIOLATED = 2505;
+export const ANCHOR_ERROR__REQUIRE_GTE_VIOLATED = 2506;
+export const ANCHOR_ERROR__ACCOUNT_DISCRIMINATOR_ALREADY_SET = 3000;
+export const ANCHOR_ERROR__ACCOUNT_DISCRIMINATOR_NOT_FOUND = 3001;
+export const ANCHOR_ERROR__ACCOUNT_DISCRIMINATOR_MISMATCH = 3002;
+export const ANCHOR_ERROR__ACCOUNT_DID_NOT_DESERIALIZE = 3003;
+export const ANCHOR_ERROR__ACCOUNT_DID_NOT_SERIALIZE = 3004;
+export const ANCHOR_ERROR__ACCOUNT_NOT_ENOUGH_KEYS = 3005;
+export const ANCHOR_ERROR__ACCOUNT_NOT_MUTABLE = 3006;
+export const ANCHOR_ERROR__ACCOUNT_OWNED_BY_WRONG_PROGRAM = 3007;
+export const ANCHOR_ERROR__INVALID_PROGRAM_ID = 3008;
+export const ANCHOR_ERROR__INVALID_PROGRAM_EXECUTABLE = 3009;
+export const ANCHOR_ERROR__ACCOUNT_NOT_SIGNER = 3010;
+export const ANCHOR_ERROR__ACCOUNT_NOT_SYSTEM_OWNED = 3011;
+export const ANCHOR_ERROR__ACCOUNT_NOT_INITIALIZED = 3012;
+export const ANCHOR_ERROR__ACCOUNT_NOT_PROGRAM_DATA = 3013;
+export const ANCHOR_ERROR__ACCOUNT_NOT_ASSOCIATED_TOKEN_ACCOUNT = 3014;
+export const ANCHOR_ERROR__ACCOUNT_SYSVAR_MISMATCH = 3015;
+export const ANCHOR_ERROR__ACCOUNT_REALLOC_EXCEEDS_LIMIT = 3016;
+export const ANCHOR_ERROR__ACCOUNT_DUPLICATE_REALLOCS = 3017;
+export const ANCHOR_ERROR__DECLARED_PROGRAM_ID_MISMATCH = 4100;
+export const ANCHOR_ERROR__TRYING_TO_INIT_PAYER_AS_PROGRAM_ACCOUNT = 4101;
+export const ANCHOR_ERROR__INVALID_NUMERIC_CONVERSION = 4102;
+export const ANCHOR_ERROR__DEPRECATED = 5000;