50 lines
1.8 KiB
Protocol Buffer
50 lines
1.8 KiB
Protocol Buffer
syntax = "proto3";
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package cash.z.wallet.sdk.rpc;
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option java_package = "cash.z.wallet.sdk.internal.rpc";
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option go_package = "walletrpc";
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option swift_prefix = "";
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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;
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bytes prevHash = 4;
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uint32 time = 5;
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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;
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bytes hash = 2;
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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 CompactSpend spends = 4;
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repeated CompactOutput outputs = 5;
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}
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message CompactSpend {
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bytes nf = 1;
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}
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message CompactOutput {
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bytes cmu = 1;
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bytes epk = 2;
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bytes ciphertext = 3;
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}
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