xbr._eip712_delegate_certificate

Classes

EIP712DelegateCertificate

Functions

create_eip712_delegate_certificate(→ dict)	Delegate certificate: dynamic/one-time, off-chain.
recover_eip712_delegate_certificate(→ bytes)	Recover the signer address the given EIP712 signature was signed with.
sign_eip712_delegate_certificate(→ bytes)	Sign the given data using a EIP712 based signature with the provided private key.

Module Contents

class EIP712DelegateCertificate(chainId: int, verifyingContract: bytes, validFrom: int, delegate: bytes, csPubKey: bytes, bootedAt: int, meta: str, signatures: List[bytes] | None = None)

Bases: xbr._eip712_certificate.EIP712Certificate

__eq__(other: Any) → bool

__ne__(other: Any) → bool

__slots__ = ('chainId', 'verifyingContract', 'validFrom', 'delegate', 'csPubKey', 'bootedAt', 'meta',...

__str__() → str

bootedAt

csPubKey

delegate

hash

static load(filename) → EIP712DelegateCertificate

marshal(binary: bool = False) → Dict[str, Any]

meta

static parse(obj) → EIP712DelegateCertificate

recover(signature: bytes) → bytes

save(filename: str) → int

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

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

Parameters:

filename

Returns:

sign(key: xbr._secmod.EthereumKey, binary: bool = False) → bytes

signatures = None

create_eip712_delegate_certificate(chainId: int, verifyingContract: bytes, validFrom: int, delegate: bytes, csPubKey: bytes, bootedAt: int, meta: str) → dict

Delegate certificate: dynamic/one-time, off-chain.

Parameters:

• chainId

• verifyingContract

• validFrom

• delegate

• csPubKey

• bootedAt

• meta

Returns:

recover_eip712_delegate_certificate(chainId: int, verifyingContract: bytes, validFrom: int, delegate: bytes, csPubKey: bytes, bootedAt: int, meta: str, signature: bytes) → bytes

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

Parameters:

• chainId

• verifyingContract

• validFrom

• delegate

• csPubKey

• bootedAt

• signature

• meta

Returns:

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

sign_eip712_delegate_certificate(eth_privkey: bytes, chainId: int, verifyingContract: bytes, validFrom: int, delegate: bytes, csPubKey: bytes, bootedAt: int, meta: str) → bytes

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

Parameters:

• eth_privkey – Signing key.

• chainId

• verifyingContract

• validFrom

• delegate

• csPubKey

• bootedAt

• meta

Returns:

The signature according to EIP712 (32+32+1 raw bytes).