autobahn.xbr._eip712_authority_certificate

Module Contents

Functions

create_eip712_authority_certificate(→ dict)

Authority certificate: long-lived, on-chain L2.

sign_eip712_authority_certificate(→ bytes)

Sign the given data using a EIP712 based signature with the provided private key.

recover_eip712_authority_certificate(→ bytes)

Recover the signer address the given EIP712 signature was signed with.
autobahn.xbr._eip712_authority_certificate.create_eip712_authority_certificate(chainId: int, verifyingContract: bytes, validFrom: int, issuer: bytes, subject: bytes, realm: bytes, capabilities: int, meta: str) → dict[source]

Authority certificate: long-lived, on-chain L2.

Parameters

  • chainId –

  • verifyingContract –

  • validFrom –

  • issuer –

  • subject –

  • realm –

  • capabilities –

  • meta –

Returns

autobahn.xbr._eip712_authority_certificate.sign_eip712_authority_certificate(eth_privkey: bytes, chainId: int, verifyingContract: bytes, validFrom: int, issuer: bytes, subject: bytes, realm: bytes, capabilities: int, meta: str) → bytes[source]

Sign the given data using a EIP712 based signature with the provided private key.

Parameters

  • eth_privkey –

  • chainId –

  • verifyingContract –

  • validFrom –

  • issuer –

  • subject –

  • realm –

  • capabilities –

  • meta –

Returns

autobahn.xbr._eip712_authority_certificate.recover_eip712_authority_certificate(chainId: int, verifyingContract: bytes, validFrom: int, issuer: bytes, subject: bytes, realm: bytes, capabilities: int, meta: str, signature: bytes) → bytes[source]

Recover the signer address the given EIP712 signature was signed with.

Parameters

  • chainId –

  • verifyingContract –

  • validFrom –

  • issuer –

  • subject –

  • realm –

  • capabilities –

  • meta –

  • signature –

Returns

The (computed) signer address the signature was signed with.

class autobahn.xbr._eip712_authority_certificate.EIP712AuthorityCertificate(chainId: int, verifyingContract: bytes, validFrom: int, issuer: bytes, subject: bytes, realm: bytes, capabilities: int, meta: str, signatures: Optional[List[bytes]] = None)[source]

Bases: autobahn.xbr._eip712_certificate.EIP712Certificate

CAPABILITY_ROOT_CA = 1
CAPABILITY_INTERMEDIATE_CA = 2
CAPABILITY_PUBLIC_RELAY = 4
CAPABILITY_PRIVATE_RELAY = 8
CAPABILITY_PROVIDER = 16
CAPABILITY_CONSUMER = 32
__slots__ = ['chainId', 'verifyingContract', 'validFrom', 'issuer', 'subject', 'realm', 'capabilities',...
__eq__(other: Any) → bool[source]

Return self==value.

__ne__(other: Any) → bool[source]

Return self!=value.

__str__() → str[source]

Return str(self).

sign(key: autobahn.xbr._secmod.EthereumKey, binary: bool = False) → bytes[source]
recover(signature: bytes) → bytes[source]
marshal(binary: bool = False) → Dict[str, Any][source]
static parse(obj, binary: bool = False) → EIP712AuthorityCertificate[source]
save(filename: str) → int[source]

Save certificate to file. File format (serialized as CBOR):

[cert_hash: bytes, cert_eip712: Dict[str, Any], cert_signatures: List[bytes]]

Parameters

filename –

Returns

static load(filename) → EIP712AuthorityCertificate[source]

Load certificate from file.

Parameters

filename –

Returns