com.horizen.commitmenttree

Class CommitmentTree

java.lang.Object

com.horizen.commitmenttree.CommitmentTree

All Implemented Interfaces:

AutoCloseable

public class CommitmentTree
extends Object
implements AutoCloseable

Method Summary

Modifier and Type	Method and Description
boolean	addBtr(byte[] scId, long scFee, byte[] mcDestinationAddress, byte[][] scRequestData, byte[] txHash, int outIdx)
boolean	addCert(byte[] scId, int epochNumber, long quality, BackwardTransfer[] btList, Optional<byte[][]> customFieldsOpt, byte[] endCumulativeScTxCommitmentTreeRoot, long btrFee, long ftMinAmount)
boolean	addCertLeaf(byte[] scId, byte[] leaf)
boolean	addCsw(byte[] scId, long amount, byte[] nullifier, byte[] mcPubKeyHash)
boolean	addFwt(byte[] scId, long amount, byte[] pubKey, byte[] mcReturnAddress, byte[] txHash, int outIdx)
boolean	addScCr(byte[] scId, long amount, byte[] pubKey, byte[] txHash, int outIdx, int withdrawalEpochLength, byte mcBtrRequestDataLength, CustomFieldElementsConfig[] customFieldElementsConfigs, CustomBitvectorElementsConfig[] customBitvectorElementsConfigs, long btrFee, long ftMinAmount, byte[] customCreationData, Optional<byte[]> constantOpt, byte[] certVerificationKey, Optional<byte[]> cswVerificationKeyOpt)
void	close()
void	freeCommitmentTree()
Optional<FieldElement>	getBtrCommitment(byte[] scId)
Optional<FieldElement>	getCertCommitment(byte[] scId)
Optional<FieldElement>	getCommitment()
Optional<List<FieldElement>>	getCrtLeaves(byte[] scId)
Optional<FieldElement>	getCswCommitment(byte[] scId)
Optional<FieldElement>	getFwtCommitment(byte[] scId)
Optional<ScAbsenceProof>	getScAbsenceProof(byte[] scId)
Optional<FieldElement>	getScCommitment(byte[] scId)
Optional<FieldElement>	getScCrCommitment(byte[] scId)
Optional<ScExistenceProof>	getScExistenceProof(byte[] scId)
static CommitmentTree	init()
boolean	nativeAddCertLeaf(byte[] scId, byte[] leaf)
static boolean	verifyScAbsence(byte[] scId, ScAbsenceProof absenceProof, FieldElement commitment)
static boolean	verifyScCommitment(FieldElement scCommitment, ScExistenceProof existenceProof, FieldElement commitment)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

init

public static CommitmentTree init()

freeCommitmentTree

public void freeCommitmentTree()

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

addScCr

public boolean addScCr(byte[] scId,
                       long amount,
                       byte[] pubKey,
                       byte[] txHash,
                       int outIdx,
                       int withdrawalEpochLength,
                       byte mcBtrRequestDataLength,
                       CustomFieldElementsConfig[] customFieldElementsConfigs,
                       CustomBitvectorElementsConfig[] customBitvectorElementsConfigs,
                       long btrFee,
                       long ftMinAmount,
                       byte[] customCreationData,
                       Optional<byte[]> constantOpt,
                       byte[] certVerificationKey,
                       Optional<byte[]> cswVerificationKeyOpt)

addFwt

public boolean addFwt(byte[] scId,
                      long amount,
                      byte[] pubKey,
                      byte[] mcReturnAddress,
                      byte[] txHash,
                      int outIdx)

addBtr

public boolean addBtr(byte[] scId,
                      long scFee,
                      byte[] mcDestinationAddress,
                      byte[][] scRequestData,
                      byte[] txHash,
                      int outIdx)

addCert

public boolean addCert(byte[] scId,
                       int epochNumber,
                       long quality,
                       BackwardTransfer[] btList,
                       Optional<byte[][]> customFieldsOpt,
                       byte[] endCumulativeScTxCommitmentTreeRoot,
                       long btrFee,
                       long ftMinAmount)

nativeAddCertLeaf

public boolean nativeAddCertLeaf(byte[] scId,
                                 byte[] leaf)

addCertLeaf

public boolean addCertLeaf(byte[] scId,
                           byte[] leaf)

addCsw

public boolean addCsw(byte[] scId,
                      long amount,
                      byte[] nullifier,
                      byte[] mcPubKeyHash)

getCrtLeaves

public Optional<List<FieldElement>> getCrtLeaves(byte[] scId)

getScCrCommitment

public Optional<FieldElement> getScCrCommitment(byte[] scId)

getFwtCommitment

public Optional<FieldElement> getFwtCommitment(byte[] scId)

getBtrCommitment

public Optional<FieldElement> getBtrCommitment(byte[] scId)

getCertCommitment

public Optional<FieldElement> getCertCommitment(byte[] scId)

getCswCommitment

public Optional<FieldElement> getCswCommitment(byte[] scId)

getScCommitment

public Optional<FieldElement> getScCommitment(byte[] scId)

getCommitment

public Optional<FieldElement> getCommitment()

getScExistenceProof

public Optional<ScExistenceProof> getScExistenceProof(byte[] scId)

verifyScCommitment

public static boolean verifyScCommitment(FieldElement scCommitment,
                                         ScExistenceProof existenceProof,
                                         FieldElement commitment)

getScAbsenceProof

public Optional<ScAbsenceProof> getScAbsenceProof(byte[] scId)

verifyScAbsence

public static boolean verifyScAbsence(byte[] scId,
                                      ScAbsenceProof absenceProof,
                                      FieldElement commitment)