Lite wallet server
https://hush.is
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67 lines
2.8 KiB
67 lines
2.8 KiB
// Copyright (c) 2019-2024 Duke Leto and The Hush developers
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// Copyright (c) 2019-2020 The Zcash developers
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// Distributed under the GPLv3 software license
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syntax = "proto3";
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package cash.z.wallet.sdk.rpc;
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option go_package = "walletrpc";
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// Remember that proto3 fields are all optional. A field that is not present will be set to its zero value.
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// bytes fields of hashes are in canonical little-endian format.
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// CompactBlock is a packaging of ONLY the data from a block that's needed to:
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// 1. Detect a payment to your shielded Sapling address
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// 2. Detect a spend of your shielded Sapling notes
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// 3. Update your witnesses to generate new Sapling spend proofs.
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message CompactBlock {
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uint32 protoVersion = 1; // the version of this wire format, for storage
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uint64 height = 2; // the height of this block
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bytes hash = 3; // the ID (hash) of this block, same as in block explorers
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bytes prevHash = 4; // the ID (hash) of this block's predecessor
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uint32 time = 5; // Unix epoch time when the block was mined
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bytes header = 6; // (hash, prevHash, and time) OR (full header)
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repeated CompactTx vtx = 7; // compact transactions from this block
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}
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message CompactTx {
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// Index and hash will allow the receiver to call out to chain
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// explorers or other data structures to retrieve more information
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// about this transaction.
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uint64 index = 1; // the index within the full block
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bytes hash = 2; // the ID (hash) of this transaction, same as in block explorers
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// The transaction fee: present if server can provide. In the case of a
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// stateless server and a transaction with transparent inputs, this will be
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// unset because the calculation requires reference to prior transactions.
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// in a pure-Sapling context, the fee will be calculable as:
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// valueBalance + (sum(vPubNew) - sum(vPubOld) - sum(tOut))
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uint32 fee = 3;
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repeated CompactSaplingSpend spends = 4;
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repeated CompactSaplingOutput outputs = 5;
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}
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// CompactSaplingSpend is a Sapling Spend Description as described in 7.3 of the Zcash
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// protocol specification.
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message CompactSaplingSpend {
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bytes nf = 1; // nullifier (see the Zcash protocol specification)
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}
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// output is a Sapling Output Description as described in section 7.4 of the
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// Zcash protocol spec. Total size is 948.
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message CompactSaplingOutput {
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bytes cmu = 1; // note commitment u-coordinate
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bytes epk = 2; // ephemeral public key
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bytes ciphertext = 3; // first 52 bytes of ciphertext
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}
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/*
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message CompactSpend {
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bytes nf = 1; // nullifier (see the Zcash protocol specification)
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}
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message CompactOutput {
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bytes cmu = 1; // note commitment u-coordinate
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bytes epk = 2; // ephemeral public key
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bytes ciphertext = 3; // first 52 bytes of ciphertext
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}
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*/
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