zeth.core.mixer_client.MixCallDescription Class Reference

Public Member Functions
def	__init__ (self, MerkleTree mk_tree, OwnershipKeyPair sender_ownership_keypair, List[Tuple[int, api.ZethNote]] inputs, List[Tuple[ZethAddressPub, EtherValue]] outputs, EtherValue v_in, EtherValue v_out, Optional[ComputeHSigCB] compute_h_sig_cb=None)

Public Attributes
	mk_tree
	sender_ownership_keypair
	v_in
	v_out
	compute_h_sig_cb
	inputs
	outputs

Detailed Description

High-level description of a call to the mixer contract. Holds information
used when generating the ProofInputs, ZK-proof and final MixParameters
object.

Definition at line 49 of file mixer_client.py.

Constructor & Destructor Documentation

__init__()

def zeth.core.mixer_client.MixCallDescription.__init__	(		self,
		MerkleTree	mk_tree,
		OwnershipKeyPair	sender_ownership_keypair,
		List[Tuple[int, api.ZethNote]]	inputs,
		List[Tuple[ZethAddressPub, EtherValue]]	outputs,
		EtherValue	v_in,
		EtherValue	v_out,
		Optional[ComputeHSigCB]	compute_h_sig_cb = None
	)

Definition at line 55 of file mixer_client.py.

    def __init__(
            self,
            mk_tree: MerkleTree,
            sender_ownership_keypair: OwnershipKeyPair,
            inputs: List[Tuple[int, api.ZethNote]],
            outputs: List[Tuple[ZethAddressPub, EtherValue]],
            v_in: EtherValue,
            v_out: EtherValue,
            compute_h_sig_cb: Optional[ComputeHSigCB] = None):
        assert len(inputs) <= constants.JS_INPUTS
        assert len(outputs) <= constants.JS_OUTPUTS
 
        self.mk_tree = mk_tree
        self.sender_ownership_keypair = sender_ownership_keypair
        self.v_in = v_in
        self.v_out = v_out
        self.compute_h_sig_cb = compute_h_sig_cb
 
        # Perform some cleaning and minimal pre-processing of the data. Compute
        # and store data that is not derivable from the ProverInput or Proof
        # structs (such as the encryption keys for receivers), making it
        # available to MixerClient calls.
 
        # Expand inputs with dummy entries and compute merkle paths.
        sender_a_pk = sender_ownership_keypair.a_pk
        self.inputs = \
            inputs + \
            [get_dummy_input_and_address(sender_a_pk)
             for _ in range(constants.JS_INPUTS - len(inputs))]
 
        # Pad the list of outputs if necessary
        if len(outputs) < constants.JS_OUTPUTS:
            dummy_k_pk = generate_encryption_keypair().k_pk
            dummy_addr_pk = ZethAddressPub(sender_a_pk, dummy_k_pk)
            self.outputs = \
                outputs + \
                [(dummy_addr_pk, EtherValue(0))
                 for _ in range(constants.JS_OUTPUTS - len(outputs))]
        else:
            self.outputs = outputs
 
 

Member Data Documentation

compute_h_sig_cb

zeth.core.mixer_client.MixCallDescription.compute_h_sig_cb

Definition at line 63 of file mixer_client.py.

inputs

zeth.core.mixer_client.MixCallDescription.inputs

Definition at line 72 of file mixer_client.py.

mk_tree

zeth.core.mixer_client.MixCallDescription.mk_tree

Definition at line 59 of file mixer_client.py.

outputs

zeth.core.mixer_client.MixCallDescription.outputs

Definition at line 81 of file mixer_client.py.

sender_ownership_keypair

zeth.core.mixer_client.MixCallDescription.sender_ownership_keypair

Definition at line 60 of file mixer_client.py.

v_in

zeth.core.mixer_client.MixCallDescription.v_in

Definition at line 61 of file mixer_client.py.

v_out

zeth.core.mixer_client.MixCallDescription.v_out

Definition at line 62 of file mixer_client.py.

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The documentation for this class was generated from the following file:

• /home/runner/work/zeth/zeth/client/zeth/core/mixer_client.py