Revert "desprout"

This reverts commit 7c6c7150c6.

src/primitives/transaction.cpp

@@ -26,6 +26,83 @@
 
 #include "librustzcash.h"
 
+JSDescription::JSDescription(
+    ZCJoinSplit& params,
+    const uint256& joinSplitPubKey,
+    const uint256& anchor,
+    const std::array<libzcash::JSInput, ZC_NUM_JS_INPUTS>& inputs,
+    const std::array<libzcash::JSOutput, ZC_NUM_JS_OUTPUTS>& outputs,
+    CAmount vpub_old,
+    CAmount vpub_new,
+    bool computeProof,
+    uint256 *esk // payment disclosure
+) : vpub_old(vpub_old), vpub_new(vpub_new), anchor(anchor)
+{
+    std::array<libzcash::SproutNote, ZC_NUM_JS_OUTPUTS> notes;
+
+    proof = params.prove(
+        inputs,
+        outputs,
+        notes,
+        ciphertexts,
+        ephemeralKey,
+        joinSplitPubKey,
+        randomSeed,
+        macs,
+        nullifiers,
+        commitments,
+        vpub_old,
+        vpub_new,
+        anchor,
+        computeProof,
+        esk // payment disclosure
+    );
+}
+
+JSDescription JSDescription::Randomized(
+    ZCJoinSplit& params,
+    const uint256& joinSplitPubKey,
+    const uint256& anchor,
+    std::array<libzcash::JSInput, ZC_NUM_JS_INPUTS>& inputs,
+    std::array<libzcash::JSOutput, ZC_NUM_JS_OUTPUTS>& outputs,
+    std::array<size_t, ZC_NUM_JS_INPUTS>& inputMap,
+    std::array<size_t, ZC_NUM_JS_OUTPUTS>& outputMap,
+    CAmount vpub_old,
+    CAmount vpub_new,
+    bool computeProof,
+    uint256 *esk, // payment disclosure
+    std::function<int(int)> gen
+)
+{
+    // Randomize the order of the inputs and outputs
+    inputMap = {0, 1};
+    outputMap = {0, 1};
+
+    assert(gen);
+
+    MappedShuffle(inputs.begin(), inputMap.begin(), ZC_NUM_JS_INPUTS, gen);
+    MappedShuffle(outputs.begin(), outputMap.begin(), ZC_NUM_JS_OUTPUTS, gen);
+
+    return JSDescription(
+        params, joinSplitPubKey, anchor, inputs, outputs,
+        vpub_old, vpub_new, computeProof,
+        esk // payment disclosure
+    );
+}
+
+bool JSDescription::Verify(
+    ZCJoinSplit& params,
+    libzcash::ProofVerifier& verifier,
+    const uint256& joinSplitPubKey
+) const {
+    return false;
+}
+
+uint256 JSDescription::h_sig(ZCJoinSplit& params, const uint256& joinSplitPubKey) const
+{
+    return params.h_sig(randomSeed, nullifiers, joinSplitPubKey);
+}
+
 std::string COutPoint::ToString() const
 {
     return strprintf("COutPoint(%s, %u)", hash.ToString().substr(0,10), n);