API Reference

Complete API reference for the Seismic Python SDK

Complete reference documentation for all publicly exported functions, classes, and types in the Seismic Python SDK (seismic_web3).

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Types

Primitive byte types used throughout the SDK.

Type	Description
Bytes32	Exactly 32 bytes — used for hashes, AES keys, and similar values
PrivateKey	32-byte secp256k1 private key
CompressedPublicKey	33-byte compressed secp256k1 public key
EncryptionNonce	12-byte AES-GCM encryption nonce
hex_to_bytes	Convert a hex string to raw bytes, stripping optional 0x

Transaction Types

Dataclasses for building and signing Seismic transactions.

Type	Description
Signature	ECDSA signature components (v, r, s)
SeismicElements	Seismic-specific transaction fields
SeismicSecurityParams	Optional security parameters for shielded transactions
UnsignedSeismicTx	Complete unsigned Seismic transaction
TxSeismicMetadata	Transaction metadata used for AAD context
LegacyFields	Standard EVM transaction fields
PlaintextTx	Unencrypted transaction view
DebugWriteResult	Result from debug shielded write

EIP-712

Functions for EIP-712 typed data signing of Seismic transactions.

Function	Description
sign_seismic_tx_eip712	Sign and serialize a transaction using EIP-712
eip712_signing_hash	Compute the EIP-712 signing hash
domain_separator	Compute the EIP-712 domain separator
struct_hash	Compute the EIP-712 struct hash
build_seismic_typed_data	Build EIP-712 typed data dict

See Also

• Client Documentation - Client creation and configuration

• Contract Documentation - Contract interaction patterns

• Chains Configuration - Chain configuration and constants

• Precompiles - Privacy-preserving cryptographic functions

• SRC20 - SRC20 token standard support

• ABIs - Built-in contract ABIs and helpers