{"record":{"id":"26a0231618909bee","repo":"nautechsystems/nautilus_trader","slug":"failed-to-derive-account-id-e","errorCode":null,"errorMessage":"Failed to derive account ID: {e}","messagePattern":"Failed to derive account ID: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/adapters/dydx/src/common/credential.rs","lineNumber":107,"sourceCode":"    /// Returns an error if private key is invalid.\n    pub fn from_private_key(\n        private_key_hex: &str,\n        authenticator_ids: Vec<u64>,\n    ) -> anyhow::Result<Self> {\n        // Decode hex private key\n        let key_bytes = Zeroizing::new(\n            hex::decode(private_key_hex.trim_start_matches(\"0x\"))\n                .context(\"Invalid hex private key\")?,\n        );\n\n        let signing_key = SigningKey::from_slice(&key_bytes)\n            .map_err(|e| anyhow::anyhow!(\"Invalid secp256k1 private key: {e}\"))?;\n\n        // Derive bech32 address\n        let public_key = signing_key.public_key();\n        let account_id = public_key\n            .account_id(DYDX_BECH32_PREFIX)\n            .map_err(|e| anyhow::anyhow!(\"Failed to derive account ID: {e}\"))?;\n        let address = account_id.to_string();\n\n        Ok(Self {\n            signing_key,\n            address,\n            authenticator_ids,\n        })\n    }\n\n    /// Creates a [`DydxCredential`] from environment variables.\n    ///\n    /// Checks for private key: `DYDX_PRIVATE_KEY` / `DYDX_TESTNET_PRIVATE_KEY`\n    ///\n    /// Returns `None` if no environment variable is set.\n    ///\n    /// # Errors\n    ///\n    /// Returns an error if a credential is set but invalid.","sourceCodeStart":89,"sourceCodeEnd":125,"githubUrl":"https://github.com/nautechsystems/nautilus_trader/blob/18893faf8b356be3320add8de2f861b0b647cf06/crates/adapters/dydx/src/common/credential.rs#L89-L125","documentation":"After constructing the secp256k1 signing key, from_private_key derives the bech32 AccountId from the public key using the dYdX bech32 prefix. If the AccountId derivation fails (bech32 encoding/prefix issue), this error is thrown.","triggerScenarios":"public_key.account_id(DYDX_BECH32_PREFIX) returns Err — an internal bech32 encoding failure deriving the address from a valid public key.","commonSituations":"Rare; typically indicates a library/version mismatch in the bech32 crate or a corrupted prefix constant rather than user input, since the signing key was already validated.","solutions":["Retry after checking dependency versions (k256, bech32) for compatibility","Verify DYDX_BECH32_PREFIX is the expected value (\"dydx\") and unmodified","Report as a bug if reproducible with a valid private key; fall back to constructing credentials with an explicit address"],"exampleFix":"// before\nlet creds = DyDxCredentials::from_private_key(key)?; // panics on odd env\n// after\nlet creds = DyDxCredentials::from_private_key(key)\n    .context(\"check bech32/k256 dependency versions for dYdX credentials\")?;","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"let creds = DyDxCredentials::from_private_key(key).context(\"derive dYdX credentials; verify bech32/k256 dependency versions\")?;","preventionTips":["Pin compatible versions of k256 and bech32 crates in Cargo.toml","Do not modify bech32 prefix constants","If reproducible with a valid key, file a bug with the dependency graph"],"tags":["rust","crypto","bech32","credentials"],"backgroundTag":"internal-invariant-violation","analyzedSha":"18893faf8b356be3320add8de2f861b0b647cf06","analyzedAt":"2026-09-08T20:49:34.690Z","contentChangedAt":"2026-09-08T20:49:34.690Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}