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chore: Block Signing protobufs (#16426)
Signed-off-by: Neeharika-Sompalli <[email protected]> Signed-off-by: Neeharika Sompalli <[email protected]> Co-authored-by: Joseph S. <[email protected]>
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hapi/hedera-protobufs/services/auxiliary/tss/tss_share_signature.proto
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| /** | ||
| * # Tss Share Signature | ||
| * Represents a transaction that submits a node's share signature on a block hash | ||
| * during the TSS (Threshold Signature Scheme) process. | ||
| * | ||
| * ### Keywords | ||
| * The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", | ||
| * "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this | ||
| * document are to be interpreted as described in | ||
| * [RFC2119](https://www.ietf.org/rfc/rfc2119) and clarified in | ||
| * [RFC8174](https://www.ietf.org/rfc/rfc8174). | ||
| */ | ||
| syntax = "proto3"; | ||
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| package com.hedera.hapi.services.auxiliary.tss; | ||
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| /* | ||
| * Copyright (C) 2024 Hedera Hashgraph, LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| option java_package = "com.hedera.hapi.services.auxiliary.tss.legacy"; | ||
| // <<<pbj.java_package = "com.hedera.hapi.services.auxiliary.tss">>> This comment is special code for setting PBJ Compiler java package | ||
| option java_multiple_files = true; | ||
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| /** | ||
| * A TSS Share Signature transaction Body.<br/> | ||
| * This transaction body communicates a node's signature of a block hash | ||
| * using its private share within the TSS process. | ||
| * This transaction MUST be prioritized for low latency gossip transmission. | ||
| * | ||
| * ### Block Stream Effects | ||
| * This transaction body will be present in the block stream. This will not have | ||
| * any state changes or transaction output or transaction result. | ||
| */ | ||
| message TssShareSignatureTransactionBody { | ||
| /** | ||
| * A SHA2-384 Hash.<br/> | ||
| * This is the hash of the roster that includes the node whose | ||
| * share produced this share signature. | ||
| * <p> | ||
| * This value is REQUIRED.<br/> | ||
| * This value MUST identify the network roster active at the time this | ||
| * share signature was produced.<br/> | ||
| * This share signature MUST be produced from a share distributed during | ||
| * the re-keying process for the identified roster. | ||
| */ | ||
| bytes roster_hash = 1; | ||
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| /** | ||
| * An index of the share from the node private shares.<br/> | ||
| * This is the index of the share that produced this share signature. | ||
| * <p> | ||
| * This value is REQUIRED.<br/> | ||
| * The share referred to by this index MUST exist.<br/> | ||
| * The share index MUST be greater than or equal to 0. | ||
| */ | ||
| uint64 share_index = 2; | ||
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| /** | ||
| * A SHA2-384 hash.<br/> | ||
| * This is the hash of the message that was signed. | ||
| * <p> | ||
| * This value is REQUIRED.<br/> | ||
| * The message signed MUST be a block hash. | ||
| */ | ||
| bytes message_hash = 3; | ||
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| /** | ||
| * The signature bytes.<br/> | ||
| * This is the signature generated by signing the block hash with the node's private share. | ||
| * <p> | ||
| * This value is REQUIRED.<br/> | ||
| * This value MUST be a valid signature of the message hash with the node's private share. | ||
| */ | ||
| bytes share_signature = 4; | ||
| } |
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56
...e/hedera-app/src/main/java/com/hedera/node/app/tss/handlers/TssShareSignatureHandler.java
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| /* | ||
| * Copyright (C) 2024 Hedera Hashgraph, LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package com.hedera.node.app.tss.handlers; | ||
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| import static java.util.Objects.requireNonNull; | ||
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| import com.hedera.hapi.node.transaction.TransactionBody; | ||
| import com.hedera.node.app.spi.workflows.HandleContext; | ||
| import com.hedera.node.app.spi.workflows.HandleException; | ||
| import com.hedera.node.app.spi.workflows.PreCheckException; | ||
| import com.hedera.node.app.spi.workflows.PreHandleContext; | ||
| import com.hedera.node.app.spi.workflows.TransactionHandler; | ||
| import edu.umd.cs.findbugs.annotations.NonNull; | ||
| import javax.inject.Inject; | ||
| import javax.inject.Singleton; | ||
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| /** | ||
| * Handles TSS share signature transactions. | ||
| * This is yet to be implemented. | ||
| */ | ||
| @Singleton | ||
| public class TssShareSignatureHandler implements TransactionHandler { | ||
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| @Inject | ||
| public TssShareSignatureHandler() {} | ||
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| @Override | ||
| public void preHandle(@NonNull final PreHandleContext context) throws PreCheckException { | ||
| requireNonNull(context); | ||
| // TODO: Implement this in the later PRS | ||
| } | ||
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| @Override | ||
| public void pureChecks(@NonNull final TransactionBody txn) throws PreCheckException { | ||
| requireNonNull(txn); | ||
| } | ||
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| @Override | ||
| public void handle(@NonNull final HandleContext context) throws HandleException { | ||
| requireNonNull(context); | ||
| } | ||
| } |
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